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Common Channel Signaling 7

1. If the software load is Do present Step 16 not present Step 14 Obtain a list of LIM unit cards and replace them one by one resetting the LIM unit after you replace each one If the software Do loads Step 16 does not load Step 15 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 14 Advanced troubleshooting procedures Troubleshooting a LIM unit end 15 Replace the backplane Go to Step 16 16 At the MAP terminal test and return the LIM unit to service 17 You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 15 Troubleshooting a link that continually fails and recovers Application Use this procedure to troubleshoot a link that continually fails and recovers This is commonly known as a thrashing link Definition A large number of logs are generated when a links fails and more logs are generated when the link recovers Since thrashing links continually fail and recover the logging systems for CCS7 nodes become overloaded Similar log overload problems occur for every associated node in the local network The effect of a thrashing link is greatest when there is only one link in the linkset You can identify a thrashing link by e checking for recurring logs e entering the OMSHOW command and checking the C7LKFAIL register for li
2. Meaning The directory you are trying to access is not loaded or must be accessed through another directory Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 26 C7TULINK directory commands INTERCEPT Command INTERCEPT Directory C7TU C7TULINK Function Use the INTERCEPT command to intercept messages before they enter the CCS7 network or after they exit the network To intercept specific CCS7 messages make an entry in the match table To change an entry in the match table use the REMOVE command to remove the current entry then enter the new entry using the INTERCEPT command Usage notes CAUTION Service disruption Never use the intercept capabilities of C7TU in an operating office environment All CCS7 messaging traffic that matches the selected criteria will be halted in the selected node The INTERCEPT command is qualified by the following exceptions restrictions and limitations e Each INTERCEPT command must be followed by a corresponding MONITOR command e If the message code used in a INTERCEPT command string is not in the list of valid message codes the INTERCEPT command does not work Use the C7TU directory MSGCODE command to review a list of current valid message codes e Match entries are matched from the first entry in the match table The process stops when the search finds a valid match entry or if the search does not produce a
3. that detected the link failure first Carrier DS30 Tx Carrier Carrier TH channel channel channel bank bank Facility fault Failure reason Out of service signals from far end Failure reason Excessive signal unit error rate Detects the failure first removes the link from service transmits an out of service signal to end office at far end DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 8 Advanced troubleshooting procedures Troubleshooting a facility fault continued Example of a hardware loopback test In the loopback test shown below the sync state of the link changes from SYSB to RPO The link is good up to the loopback Carrier DS30 channel Carrier Digital Carrier bank Carrier channel bank channel cross channel bank connect bank Loopback Facility fault In the loopback test shown below the sync state of the link remains SYSB The facility fault has been located DS30 Carrier Tx Carrier Digital Carrier Carrier Node channel cross channel channel channel bank connect bank bank bank i Loopback Facility fault Common procedures None Action Follow the steps to perform the procedure Troubleshooting a facility fault At your current location 1 Manually busy the link This action causes the
4. ERROR pm num IS NOT INSERVICE Meaning The peripheral that is attached to the specified link in the linkset is not inservice The SEND command exits Action Assure that the peripheral is inservice or choose a different link then retry the SEND command INVALID LINKSET NAME 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 69 SEND end Command responses Sheet 2 of 2 Response for the SEND command MAP output Meaning and action Meaning You entered a linkset name that is not datafilled in the C7LKSET table The SEND command exits Action Verify the linkset name and retry the SEND command INVALID NETWORK TYPE IN DPC Meaning You specified a network type other than ANSI CCITT or TTC The SEND command exits Action Change the network type of the message to one of the three valid network types then retry the SEND command MESSAGE NUMBER msg HAS NOT BEEN BUILT YET Meaning You attempted to send a message specifying a message number that has not been built with the BUILD command The SEND command exits Action Verify the message number and retry the SEND command THE lt liu gt IS NOT IN USE BY C7TU Meaning The link interface unit LIU attached to the specified link is not in use by C7TU The SEND command exits Action Use the SELECT command to select the LIU then retry the SEND command UN
5. Meaning You entered a message code that C7TU does not recognize The BUILD command exits Action Retry the BUILD command with a valid message code MESSAGE 0 WAS BUILT SUCCESSFULLY Meaning The C7TU builds the message and stores it in the message table with a message number Action None MESSAGE WAS NOT BUILT SUCCESSFULLY 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 19 BUILD end Command responses Sheet 2 of 2 Responses for the BUILD command MAP output Meaning and action Meaning You entered an invalid message number The BUILD command exits Action Retry the BUILD command with a valid message number MESSAGE 0 WAS NOT BUILT SUCCESSFULLY Meaning You entered the message input incorrectly The BUILD command exits Action Retry the BUILD command with a valid message input Warning Msg type has been overwritten Meaning The command executed and added the message to the match table The message code in the message body entered after the routing label was overwritten with the entered hex bytes or default data parameter entry The default entry changes the value of each data byte after the routing label to zero up to the 16 byte limit for a match table entry Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 20 C7TULINK directory commands DISPLAY Command Directory Function
6. 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 71 STATUS end Usage examples The following table provides an example of the command Command example Example of the STATUS command Responses gt STATUS BRIEF MAP response LIU7 FTA TRACING THROTTLE 201 4248 1000 ENABLE 20 Item Disp NI Nettype Dir Link Dist Msg SI HO H1 0 MON ALL ANSI BOTH LS001 1 EXT XXX ISUP XXX XXX Explanation The system displays selected links The following table describes the MAP responses Command responses Response for the STATUS command TT nu MAP output MSB7 lt msb_ LI lt ii ML lt liu_ m no gt U7 no gt IU no gt lt EM DISP disp Meaning and action eke C7TU LINK ENVIRONMENT et NODE TRACING MSGS NACK lt node_no gt lt trace_info gt lt msg gt lt nack gt por N FTA TRACING _no gt _info gt PORT FTA Tracing Throttle t_no gt lt fta_no gt lt trace_info gt lt throttle_no gt ETW DIR ST DIST MSG SI HO HI net dir st dist msg si hO hl Meaning The display includes links that currently are selected and a shortened dump of the entries in the match table Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 13 1 13 C7UP directory commands C7UP directory commands Use the C7UP command to access the C7UP directory level C7UP controls the
7. INITIATED CODE 0028 C011 FOR CLOCKS TO SYNC ING MAPPER CARD TESTS ED STATUS MESSAGE Note The above display can take up to 2 min to complete After the reset messages futher information is displayed depending on whether the software load is successful 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 13 Troubleshooting a LIM unit continued 14 Example of a MAP display if no software load is present ESET CODE FIR C011 FORMAT 00A4 SOFT REINIT NO S W VECTOR six lines of register information ISSUING SELF RESET Example of a MAP display if software load is present SYSTEM IMAGE RELOAD SOS RELOAD RESTART NO 1 AT 00 00 00 000 SO NODE NODE SOS INITIALIZATION STARTED MSO NODE NODE SERIAL REQUEST PASSED ON CARD 2 SO NODE NODE SERIAL REQUEST PASSED ON CARD 1 SO NODE NODE SERIAL REQUEST PASSED ON CARD 3 SO NODE NODE SERIAL REQUEST PASSED ON CARD 4 SO NODE NODE SERIAL REQUEST PASSED ON CARD 5 MSO NODE NODE SERIAL REQUEST PASSED ON CARD 13 SO NODE NODE SERIAL REQUEST PASSED ON CARD 12 SO NODE NODE SUCCESS RTIF USER LOGGED IN 91 11 27 03 37 TAS CAPTIVE BCS32CD gt MSO NODE NODE SERIAL REQUEST PASSED ON CARD 12 SO NODE SUCCESS
8. Meaning The command failed because the process pool could not be allocated Action Enter command DISABLE again ERROR CREATING PARENT MAILBOX Meaning The command failed because mailboxes were not created Action Enter command DISABLE again ERROR CREATING PREFERRED MAILBOX Meaning The command failed because mailboxes were not created Action Enter command DISABLE again Deactivation module not found Meaning The command failed because deactivation module C7SLSDCT is missing Action Add module C7SLSDCT to the software load Could not invoke deactivation process Meaning The command failed The deactivation process could not be started for an unspecified reason Action Enter command DISABLE again Transition failed 8 bit SLS not deactivated Meaning The command failed The deactivation process could not be started for an unspecified reason Action Enter command DISABLE again Transition got stuck 8 bit SLS still deactivated Meaning The transition was interrupted but the deactivation was completed Action None An audit cleans up any inconsistencies Transition problems 8 bit SLS still deactivate Meaning The transition was interrupted but the deactivation was completed 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 5 DISABLE end Command responses Sheet 3 of 3 Responses for the DISABLE command Action None An a
9. Command Directory Function Usage notes C7TULINK directory commands 12 63 SELECT SELECT C7TULINK Use the SELECT command to select a link interface unit LIU in order to monitor messages If the peripheral is not selected CCS7 messages will not be matched against the match table for that link This command also can be used to release a link that currently is selected Varying the log throttle is a password protected function If allowed the SELECT command can set the log throttle to between one and 60 logs for each LIU This log throttle can be changed when an LIU is selected or deselected Only four entries are allowed in the match table at a time If an attempt is made to use the SELECT command when four entries already are in the match table the command does not execute You have to release a link that currently is selected in order to execute this command Command parameters and variables The following table describes the command parameters and variables Parameters and variables Sheet 1 of 2 SELECT command parameters and variables Command Parameters and variables SELECT ALL LIU7 ALL HLIU num log_throt_set ON MSB7 ALL OFF m_num MLIU ALL NUMBER _ num port_number Item Description DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 64 C7TULINK directory commands SELECT continued Parameters and variables Sheet 2 of 2 SELECT command parameters and variables Co
10. Several elements can appear in the same column When this condition occurs select one element from that column An exception to this rule occurs when one of the elements is a default ps_link NOFORCE FORCE WAIT selectone UNIT unit_no NOWAIT Presentation of long command expansions Some commands have many parameters and variables with very long hierarchies These commands require continuation the expansion row When this situation occurs the horizontal lines of parameters and variables are numbered Numbered lines help the user to follow the command syntax from one row to the next COMMAND PARAMETER variable PARAMETER variable 1 PARAMETER variable PARAMETER 2 COMMAND PARAMETER variable PARAMETER 1 continued variable PARAMETER variable 2 COMMAND 2 PARAMETER variable continued Indication of defaults An underlined parameter indicates a default If no parameter listed in a column is entered the system uses the default parameter In the following example parameters NOFORCE and WAIT indicate default actions that the system takes unless parameters FORCE and NOWAIT are entered The default elements are described in the Description section that follows the command expansion ps_link NOFORCE FORCE WAIT unit_no NOWAIT DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 7 46 CCS7 network non menu commands Description of parameters and variables The Parameters and variables table lists
11. loop around THRL TLRH TLRH Tracking software related troubles Use software error reports SWERR and trap reports to track software related troubles Software error reports SWERKRs list the software routines that ran before a software error occurred They also list the address that called each routine and the address at which the software error occurred Trap reports A trap report is produced when a procedure is running but due to a problem is trapped and cannot do anything Trap reports include the routine name and address 297 8991 545 Standard 06 01 July 2000 5 1 5 Troubleshooting chart This chapter contains a troubleshooting chart of causes and recommended actions for service affecting troubles Table 5 1 provides troubleshooting instructions The table has a description of the problem in the first column the possible causes of the problem in the second column and the recommended actions in the third column Some recommended actions point to the procedure in the Advanced troubleshooting procedures chapter of this document Table 5 1 CCS7 troubleshooting Sheet 1 of 3 Problem Possible cause Perform the procedure Excessive signal unit error rate Facility fault Troubleshooting a facility fault Failure of a trouble locating and Activating a loopbackon Troubleshooting links and linksets clearing procedure from the NT9X78BA card failed Trouble Locating and Clearing Procedures
12. Accessing the SLS8BIT directory To access the SLS8BIT directory level enter the following command from the CI command interpreter level gt SLS8BIT and press the Enter key SLS8BIT directory commands The following commands are available at the SLS8BIT directory level The commands are arranged in alphabetical order e DISABLE e DISPL ENABLE e HELP QUIT DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 2 SLS8BIT directory commands DISABLE Command DISABLE Directory SLS8BIT Function Use the command DISABLE to deactivate 8 bit signaling link selector SLS load balancing Usage notes Set the state of SOC option TEL00009 to ON before you enter this command Refer to the Software Optionality Control User Manual 297 8991 901 for more information on how to change the state of an option Ensure that the C7TU test tool is not in use when deactivating 8 bit SLS Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the DISABLE command gt DISABLE MAP response 8 bit SLS deactivation transition completed Explanation The command was successful 8 bit SLS is now inactive 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 3 DISABLE continued Responses The following table describes the MAP responses Command responses Sheet 1 of 3 Responses for
13. sls This variable specifies the signaling link selector code of the test message The valid entry ranges are e Oto 32 for ANSI messages The entry of 32 selects all messages e Oto 16 for CCITT messages The entry of 16 selects all messages e Oto 16 for TTC messages The entry of 16 selects all messages e OQ to 32 for JPN messages The entry of 32 selects all messages e Oto 16 for NTC messages The entry of 16 selects all messages TTC This parameter specifies that the network type of the message to be monitored is Telecommunications Technical Committee DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 56 C7TULINK directory commands MONITOR continued Usage examples The following table provides an example of the command Command example Example of the MONITOR command gt MON LINK Is000177 0 BOTH ANSI ALL snm DATA 02 06 where 1s000177 is the linkset name 0 is the signaling link number BOTH is the direction of the message ANSI is the network type ALL is the routing label snm is the message code 02 06 are the hex bytes added to the message body MAP response MON match entry setup successfully Explanation This command monitors the incoming and outgoing messages of link Is000177 for SNM data Responses The following table describes the MAP responses Command responses Sheet 1 of 3 Responses for the MONITOR command MAP output Meaning and action All
14. C7TFC2 C7TFC3 C7CNTRER C7FRCRER C7XTFA C7XTFR C7XTFP CCS182 Route availability C7ROUTE C7RTUNAU C7TFP C7FRCRER Route availability C7ROUTE C7RTUNAU CCS154 Routeset availability C7RTESET C7RSCNGU CCS172 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 3 8 CCS7 network operational measurements Table 3 2 CCS7 network priority OM registers Sheet 5 of 5 Performance factor OM group Register Associated logs SCCP routing C7SCCP C7MSGHDL CCS203 CCS204 C7MSGHD2 SCCP routing C7SCCP C7RTFALL CCS201 205 C7RTFNTA C7RTFNTN C7RTFNWCG C7RTFNWF C7RTFSSF C7RTFSSC C7RTFUEQ C7SYNERR C7MSGHDL C7MSGHD2 CCS202 CCS204 OM thresholding Maintenance Assistance Package order code BASO00003 Generic allows operating company personnel to create a threshold level for individual OMs The OMs to be monitored are entered in table OMTHRESH The following information is included in the table e OM register name key e enable trigger Y or N e alarm level none minor major critical e event threshold 1 to 32 767 e time interval 1 to 32 767 min Once the information is datafilled when a specified threshold is reached within the designated time an alarm is generated under the EXT MAP header of the MAP display To find the source of the alarm for example OM or DRAM you use the LIST command at the EXT level of the MAP display If the EXT alarm was caused by an OM threshold being
15. Error While opening file Meaning A system error occurred The C7TU was unable to open a file on the specified device The command stops execution No messages will be recorded Action Retry the command Error while reading file header Meaning An error occurred when trying to read the file header of the specified file The command stops execution The file will be closed Action None Error while reading next record Meaning An error occurred when trying to read a C7TU log record from the specified file The command stops execution The file will be closed Action None TIME lt time gt C7TU TRACING ON C7TU TRACING OFF lt pm gt lt num gt Meaning This report is produced when a peripheral is selected or removed by the user Action None TIME lt timestamp gt INVALID MESSAGE INVALID MESSAGE TYPE lt msgtype gt lt hexbyte gt Meaning This is the response to a message that the C7TU is unable to interpret The invalid message type and the complete message in hexadecimal format follow the time stamp of the message Action None 297 8991 545 Standard 06 01 July 2000 Command Directory Function Usage notes The C7TUREC command does not provide display functions use the C7TU directory C7TUPRT command to display all messages in the file C7TU directory commands 11 7 C7TUREC C7TUREC C7TU Use the C7 TUREC command to specify whether to use the
16. Monitors the performance and usage of the CCS7 international gateway signaling connection control part SCCP Provides information on CCS7 high speed link ATM adaptation layer operations Provides information on CCS7 high speed link ATM adaptation layer operations Provides information on CCS7 high speed link digital carrier operations Provides information on CCS7 high speed link ATM layer operations Counts CCS7 link failures and recoveries Provides information on calls and congestion for a CCS7 link Monitors MSU traffic and performance for a CCS7 link Provides information related to CCS7 MTP layer 3 events for high speed links only These OMs are not pegged for MTP layer 2 based links Describes the performance and use of a CCS7 linkset Stores link peripheral processor LPP information for interframe and intraframe traffic and message size on a Common Channel Signaling 7 CCS7 link OM group C7LPP can store message switch MS link peripheral processor LPP and enhanced LPP ELPP information Stores link peripheral processor LPP information related to message type on Common Channel Signaling 7 CCS7 links Counts MSUs that are discarded by a CCS7 message transfer part MTP of aCCS7 node Describes the performance and use of CCS7 routes Provides information on the performance and use of a CCS7 routeset Provides information on the performance and use of the CCS7 SCCP Measures the volume of traffic and failures on the cla
17. This variable specifies the DPC signal point of the CCITT message in format CHINA The valid entry range for is 0 to 8 The entry of 8 intercepts all signal points This variable specifies the DPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 intercepts all zones This variable specifies the DPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 intercepts all exchanges This variable specifies the DPC signal point of the CCITT message in format GERMAN The valid entry range is 0 to 8 The entry of 8 intercepts all signal points This variable specifies the DPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 32 C7TULINK directory commands INTERCEPT continued Parameters and variables Sheet 5 of 10 INTERCEPT command parameters and variables Command d_hvst d_intlsgpt d_intlzone d_kvst d_member d_network d_numarea d_pc d_region dpc_areaunit dpc_cluster Parameters and variables This variable specifies the DPC hauptvermittlungsstelle tandem level switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 8 This variable specifies the DPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 intercepts all si
18. e Advanced troubleshooting procedures Preventive maintenance activities Preventive maintenance activities are to prevent problems These activities include monitoring performance performing preventive maintenance and solving problems that other maintenance documents do not discuss For preventive maintenance activities refer to the following documents e Mantenance and Operations Manual 297 8991 500 e Maintenance Manager s Morning Report 297 1001 535 e SPMS Application Guide 297 1001 330 You will also need information from the following chapters e CCS7 network logs e CCS7 network operational measurements e Trouble isolation and correction methods Note This guide also contains a description of CCS7 user interface commands CCS7 functional description The following sections describe how a CCS7 network works e CCS7 protocol e CCS7 signaling messages e Transaction capabilities application part TCAP messages e Integrated services digital network user part ISUP messages e CCS7 hardware architecture Signaling links SL Routes linksets and routesets e Mapping CCS7 hardware to protocol CCS7 protocol The CCS7 protocol is the operating software of the CCS7 system The protocol consists of layers These layers correspond to the levels of activity required to support the interconnection and exchange of information between the users of a communications system 297 8991 545 Standard 06 01 July 2000 Maintenance s
19. e NIU Data transfer from LIU7s or MLIUs to the network The LIU7s and MLIUs transfer data on the C bus The NIU converts C bus data into DS30 format and transfers it to the network using one to four DS30 links Figure 1 12 shows a channelized access external interface configuration Figure 1 13 shows a CCS7 channelized access system summary DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 24 Maintenance summary Figure 1 12 Channelized access external interface configuration Outside world PCM DTC j Network plane 0 Network plane 1 LIU7 LIU7 ee ioh LIU7 LIU7 CBI e e CBI rae a CBI e CBI C bus 0 C bus 1 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 25 Figure 1 13 CCS7 channelized access system summary DMS core SLM DMS bus IOC E LIM LIM Network unit 0 uniti LPP LIUZ eee NIU ogg LIU7 PDTC TM OAU unit O unit 1 CCS7 links Bus configuration The NIUs and LIU7s or MLIUs share the frame transport bus F bus and the C bus on each link interface shelf LIS The system duplicates F buses for reliability An F bus is on all shelves in an link peripheral processor LPP The LIU7s or MLIUs use the F bus for data and maintenance messaging The NIUs use the F bus for maintenance messaging only The system duplicates C buses for reliability O
20. Activating an offline Troubleshooting links and linksets linkset failed Downloading software Troubleshooting a LIM unit to a LIM unit failed Downloading software Troubleshooting an ASU to a CCS7 link interface unit LIU7 multiple link interface unit MLIU high speed link interface unit HLIV or high speed link router HSLR failed Recovering a stuck Troubleshooting an ASU LIU7 MLIU HLIU or HSLR failed DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 5 2 Troubleshooting chart Table 5 1 CCS7 troubleshooting Sheet 2 of 3 Problem Failure of an alarm clearing procedure in the Alarm and Performance Monitoring Procedures Failure of a routine maintenance procedure in the Routine Maintenance Procedures LIM unit not responding Node inappropriately discarding messages with no local or network notification Possible cause Returning a link interface module LIM unit to service failed Starting a C7BERT test failed F bus problem F bus taps problem Link problem LIM unit problem LIU7 MLIU HLIU or HSLR problem RTS LIM to MS links failed Route problem Routeset problem F bus problem F bus taps problem LIM unit problem Link problem LIU7 MLIU HLIU or HSLR problem Returning LIM to MS links to service failed Message sink Perform the procedure Troubleshooting a LIM unit Troubleshooting links and linksets Troubleshooting F bus and F bus t
21. LEN 84 MSG 09 LINK 5 SLC 0 CLLI TROOO0004 C7 SIO NETWORK 2 PRIORITY 1 SERV IND 3 C7 LABEL DPC ANSI7 200 001 000 OPC ANSI7 200 001 004 SLS S7 DATA FOLLOWING ROUTING LABEL 09 00 03 09 OF 06 89 00 FE 08 30 26 05 C3 FE 04 01 C8 39 E2 37 C7 04 00 00 41 00 E8 2F E9 2D CF 01 00 DO 02 83 01 F2 24 AA OB 84 09 01 00 21 OA 08 30 26 21 43 84 09 02 00 21 OA 19 29 87 01 25 84 06 07 00 01 03 11 00 DF 45 01 17 RTC_STP C7TU102 JAN 16 21 28 27 3406 INFO OUTGOING LINK MSG C7 HEADER LEN 84 MSG 09 LINK 2 SLC 0 CLLI MG000001 Ci SLO NETWORK 2 PRIORITY 1 SERV IND 3 C7 LABEL DPC ANSI7 200 002 001 OPC ANSI7 200 001 000 SLS S7 DATA FOLLOWING ROUTING LABEL 09 00 03 09 OF 06 C9 FE FE 08 30 26 05 C3 FE 04 01 C8 39 E2 37 C7 04 00 00 41 00 E8 2F E9 2D CF 01 00 DO 02 83 01 F2 24 AA OB 84 09 01 00 21 OA 08 30 26 21 43 84 09 02 00 21 0A 19 29 87 O01 25 84 06 07 00 01 03 11 00 DF 45 01 17 RTC_STP C7TU101 JAN 16 21 28 27 3507 INFO INCOMING LINK MSG C7 HEADER LEN 79 MSG 09 LINK 2 SLC 0 CLLI MG000001 C7 SIO NETWORK 2 PRIORITY 1 SERV IND 3 C7 LABEL DPC ANSI7 200 001 004 OPC ANSI7 200 002 001 SLS S7 DATA FOLLOWING ROUTING LABEL 09 00 03 05 07 02 C1 FE 02 C1 FE 3B E4 39 C7 04 00 CO 41 00 E8 31 E9 2F CF 02 00 00 DO 02 04 01 F2 25 84 06 08 00 01 03 11 00 84 09 04 00 21 0A 19 39 26 10 65 DF 41 04 41 CI 20 C3 84 09 05 00 21 0A 07 54 55 34 12 RTC_STP C7TU102 JAN 16 21 28 27 3608 INFO INCOMING LINK MSG C7 HEADER LEN 79 MSG 09 LINK 5 SLC 0 CLLI TROOO0004 C
22. LIU7 lt gt lt PM state gt Meaning External routing is inactive The digital trunk controllers DTC are routing ISUP messages to the link that is displayed Action None External routing Inactive Current routing path SLS lt gt DTC lt gt Buffering Msgs for Route lt routeset name gt lt gt lt linkset name gt Meaning External routing is inactive DTCs are routing ISUP messages The messages are being stored in DTC lt gt for route lt routeset name gt Action None External routing Inactive Current routing path SLS lt gt DTC lt gt Buffering Msgs for Link lt linkset name gt lt gt lt link state gt LIU7 lt gt lt PM state gt Meaning External routing is inactive DTCs are routing ISUP messages The messages are being stored in DTC lt gt for link lt linkset name gt Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 12 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Command responses Sheet 2 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External routing Inactive Current routing path SLS lt gt DTC lt gt Discarding Msgs Unavail Routeset lt routeset name gt Meaning External routing is inactive Messages are being discarded due to an unavailable routeset Action None External routing Inactive Current routing path SLS lt gt DTC lt
23. MATCH end Responses The following table describes the MAP responses Command responses Responses for the MATCH command MAP output Meaning and action ERROR MATCH ENTRY 1 IS NOT IN USE Meaning Match entry 1 has not been assigned Action Assign the entry before attempting to alter or use it Out of range lt byte offset gt 0 TO 15 Enter lt byte offset gt lt data gt Meaning You entered the byte offset value incorrectly Action Reenter the command 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 47 MONITOR Command MONITOR Directory C7TU C7TULINK Function Use the MONITOR command to monitor incoming and outgoing CCS7 messages To monitor specific CCS7 messages make an entry in the match table To change an entry in the match table use the REMOVE command to remove the current entry then enter the new entry using the MONITOR command Usage notes The MONITOR command is qualified by the following exceptions restrictions and limitations If the message code used in a MONITOR command string is not in the list of valid message codes the MONITOR command does not work Use the C7TU directory MSGCODE command to review a list of current valid message codes Match entries are matched from the first entry in the match table The process stops when the search finds a valid match entry or if the search does not produce a match After the first acc
24. and traps for any unusual events Can not download MIP databases because there are greater than 108 links in C7LINK and DTC datafilled in table LTCINV Command WAS NOT Processed Meaning The command failed because there are more than 108 links in table C7LINK and DTCs exist in table LTCINV Action Reduce the number of links to 108 or less or remove DTCs from table LTCINV Enter the command again DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 12 C7RTR directory commands HELP Command HELP Directory C7RTR Function Use the HELP command to display a list of available commands in the C7RTR directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response QUERY_EXT_ROUTING Query the state of External Routing ACTIVATE Activate External Routing REMOVE_MTP Remove MTP Databases from CCS7 DTCs DOWNLOAD_MTP Download MTP Databases to CCS7 DTCs DEACTIVATE Deactivate External Routing QUERY_EXP_RTESETS Query Expanded Routesets QUERY_MAX RTESETS Query maximum number of C7RTESET tuples QUIT Exit C7RTR HELP Display this information Enter Q for more information Explanation C7RTR commands display 297 8991 545 Standard 06 01 July 2000
25. is datafilled in table LTCINV Routing tables could not be downloaded Action Deactivate the 8 bit SLS Load Balancing option or remove the PDTCs from table LTCINV before executing the DOWNLOAD_MTP command again Download of all the tables was not successful Download the MTP tables again and check for LOGs SWERs Meaning The command failed for an unspecified reason Action Repeat the command Check for logs and software errors The MTP databases are already downloaded to the CCS7 DTCs Do you want to download them again y n Meaning The MTP data is already downloaded Action Download the tables again if any problems occurred during the original download There are currently more than lt gt dtcs with optattr CCS7 Please remove the appropriate number of CCS7 DTCs No action taken Meaning The number of DTCs supported during the MTP download is less than the number of datafilled DTCs Action Remove DTCs from table LTCINV until the maximum number of supported DTCs is equal to the number of datafilled DTCs 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 11 DOWNLOAD MIP end Command responses Sheet 3 of 3 Responses for the DOWNLOAD_MTP command MAP output Meaning and action The MTP databases have not been downloaded successfully Check for DDM logs and or attempt the download again Meaning The process was not successful Action Check logs software errors
26. test environment DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 7 48 CCS7 network non menu commands Table 7 2 Directory description table Directory C7TULINK C7UP PROG MTPCVRT SLS8BIT Description The C7TULINK directory accesses commands for monitoring CCS7 messages Links can be monitored as well There are two versions of the C7TULINK environment The basic C7TULINK environment C7 TULINK_PMT7 allows you to access commands that monitor messages only building sending or intercepting messages is not allowed unless you provide a valid password when accessing the C7TU MAP level The password protected C7TULINK environment C7TULINK_ILPT7 allows the user to access the same basic commands as well as commands used for building sending or intercepting messages The C7UP directory controls user part unavailable functionality The program PROG directory contains the command program listing for the command interpreter Cl level of the MAP maintenance and administration position The MTPCVRT directory is used to convert the network to the new specified point code PC format The SLS8BIT directory controls the 8 bit signaling link selection SLS Load Balancing optionality 297 8991 545 Standard 06 01 July 2000 8 1 8 C7RTR directory commands C7RTR directory commands Use the C7RTR CI command interpreter tool to perform different functions on CCS7 link interface unit LI
27. 2 Responses for the C7TUREC command MAP output Meaning and action C7TU RECORD STOP Meaning The file has been closed successfully by the C7TU This message is displayed in response to the QUERY command when the C7TU is not recording to a file Action None Error Device is not valid Meaning You specified a device name that is not valid or is not recognized The command halts execution No messages will be recorded Action Retry the command with a valid device name Error Unable to get file information Meaning You specified a file name that is not valid or is not recognized The command halts execution No messages will be recorded Action Retry the command with a valid file name Error Unable to get volume information Meaning You specified a device name that is not valid or is not recognized The command halts execution No messages will be recorded Action Retry the command with a valid device name 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 9 C7TUREC end Command responses Sheet 2 of 2 Responses for the C7TUREC command MAP output Meaning and action Error While creating the file Meaning The system failed to create the specified file at the specified device The command halts execution No messages will be recorded Action Retry the command with a different device name Recording already started Meaning This response
28. BERT is automatically stopped by the SETSTOP command Generated hourly containing operational measurements OM counts of signaling unit SU errors negative acknowledgements and automatic changeovers received for specified links that have exceeded the threshold value in the previous hour A CCS link fails during a computing module restart 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 7 Table 2 1 Summary of CCS7 network logs Sheet 6 of 14 Log CCS201 CCS202 CCS203 CCS204 CCS205 CCS206 CCS207 CCS208 CCS209 CCS210 CCS211 CCS212 CCS213 CCS214 CCS215 CCS216 CCS217 CCS218 Definition A signaling connection control part SCCP message is received from the network that is invalid and cannot be decoded An SCCP message with an invalid called party address CDPA is received from the network and cannot be routed An SCCP mesage is received from the network that has an invalid calling party address CGPA An attempt to route the message is made An SCCP message is received from the network that is destined for an unknown local subsystem An SCCP message is received from the network that requires global title translation GTT but the message contains a translation type for which the node has no translation tables An invalid SCCP message is received from a local subsystem The message is discarded An SCCP management message SCMG that has invalid data is received by th
29. C7RTR Function Use the QUERY_MAX_RTESETS command to display the maximum number of tuples for table C7RTESET when external routing is activated Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUERY_MAX_RTESETS command gt QUERY_MAX_RTESETS MAP response The maximum number of tuples in table C7RTESET when External Routing is activated and MTP databases have been removed from CCS7 DTCs is 2047 The maximum allowable number of tuples into table C7RTESET based on SOC usage limit is 255 To increase the number of tuples in table C7RTESET use SOC Explanation The maximum number of tuples displays The maximum number of tuples for table C7RTESET based on the SOC usage limit is 255 Use software optionality control SOC to increase the maximum tuple limit Refer to the Software Optionality Control User Manual 297 8991 901 for more information on how to assign a usage limit to an option DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 20 C7RTR directory commands QUERY_MAX_RTESETS eno Responses The following table describes the MAP responses Command responses Responses for the QUERY_MAX_RTESETS command MAP output Meaning and action Undefined command lt QUERY_MAX_RTESETS gt Meaning Command entered incorrectly Action R
30. C7RTR directory commands 8 13 HELP end Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output Meaning and action QUERY_EXT_ROUTING Query the state of External Routing CTIVATE Activate External Routing EMOVE_MTP Remove MTP Databases from CCS7 DTCs OWNLOAD_MTP Download MTP Databases to CCS7 DTCs ACTIVATE Deactivate External Routing ERY _EXP_RTESETS Query Expanded Routesets RY_MAX _RTESETS Query maximum number of C7RTESET tuples Exit C7RTR Display this information A R D D Q Q Q H Meaning The C7RTR commands display Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 14 C7RTR directory commands QUERY_EXT_ ROUTING Command QUERY_EXT_ROUTING Directory C7RTR Function Use the QUERY_EXT_ROUTING command to determine if e external routing is active or inactive e CCS7 digital trunk controllers DTCs contain message transfer part MTP table information e all CCS7 DTCs are data distribution manager DDM stable Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables QUERY_EXT_ROUTING Command parameters and variables Command Parameters and variables QUERY_EXT_ROUTING LIST Item Description LIST This para
31. CCS7 network logs 2 1 Logs 2 1 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 viii Contents Log types 2 1 Log output 2 2 LOGUTIL 2 2 CCS7 network logs 2 2 Priority logs 2 15 Where to find log information 2 17 3 4 CCS7 network operational measurements CCS7 network OM groups 3 1 CCS7 network priority OMs 3 4 OM thresholding 3 8 OM class assignment reports 3 9 Trouble isolation and correction methods CCS7 network test tools 4 1 CCS7 test utility 4 1 CCS7 bit error rate test 4 17 Manual loopback tests 4 18 ISUP continuity testing 4 18 Tracking software related troubles 4 26 Software error reports 4 26 Trap reports 4 26 4 1 5 Troubleshooting chart 6 7 Advanced troubleshooting procedures How to determine the cause of a failed link 6 2 Troubleshooting a facility fault 6 7 Troubleshooting a LIM unit 6 10 Troubleshooting a link that continually fails and recovers 6 15 Troubleshooting a message sink 6 18 Troublehshooting an ASU 6 21 Troubleshooting an F bus and F bus taps 6 23 Troubleshooting links and linksets 6 27 Troubleshooting remote point codes 6 30 Troubleshooting remote subsystems 6 33 Troubleshooting routes and routesets 6 37 CCS7 network non menu commands Description of non menu commands 43 Command conventions used 43 Command example table 43 Command parameters and variables table 43 Description of parameters and variables 46 Conventions comparison 46 Directory
32. DUP _CALL_AND_CIRCUIT e DUP_MAINTENANCE e TUP_PLUS Command parameters and variables The following table describes the command parameters and variables Parameters and variables DEACT command parameters and variables Command Parameters and variables DEACT si Item Description si This variable indicates the service indicator on which UPU is to be activated See the Usage notes section in this document for a list of valid service indicators 297 8991 545 Standard 06 01 July 2000 C7UP directory commands 13 5 DEACT end Usage examples The following table provides an example of the command Command example Example of the DEACT command gt DEACT SCCP where SCCP is the service indicator MAP response WARNING Deactivating UPU functionality for SCCP Explanation Normal response for command DEACT The command was successful UPU functionality is no longer active on the specified Sl Responses The following table describes the MAP responses Command responses Responses for the DEACT command MAP output Meaning and action lt SI gt already has UPU deactivated Meaning UPU functionality was not active on the specified SI when command DEACT was entered Action None WARNING Deactivating UPU functionality for lt SI gt Meaning The command was successful UPU functionality is no longer active on the specified SI Action None DMS 100 Family CCS7 Mainte
33. Databases are being downloaded The procedure will be complete when the CCS7 DTC are stable Explanation The MTP database updates are being sent to the DTC routing databases 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 9 DOWNLOAD MTP continued Responses The following table describes the MAP responses Command responses Sheet 1 of 3 Responses for the DOWNLOAD_MTP command MAP output Meaning and action DDM is in a transient state Pleas nter the command when DDM is stable Use the QUERY_EXT_ROUTING command to determine if DDM is stable No action taken Meaning The DTC LIU7 or routeset was in a transient state when this command was invoked Action Check the logs to identify the transient component and use the QUERY_EXT_ ROUTING command to check if DDM is stable External Routing is required for SPMs MTP DDM tables will not be downloaded to SPMs Do you want to download DDM tables to DTCs Meaning If the switch has service peripheral modules SPM this question is displayed to verify that the user understands that the CCS7 datafill will not be downloaded to the SPMs and that external routing must not be turned off Action Enter Y yes to download the DDM tables to DTCs There ar xpanded routesets in the office Use the C7RTR query_exp_rtesets command to find which routesets must be deleted before the MTP databases can be downloaded No action
34. Do resolved by the far end Step 24 not resolved by the far end Step 20 Cycle the links carrying the messages through the offline state If the route Do remians ISTb or SysB Step 21 is in service Step 24 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 41 Troubleshooting routes and routesets end 21 22 23 24 25 26 Cycle the routeset through the offline state If the route Do remians in ISTb or SysB Step 22 is in service Step 24 The problem is likely a software problem If you Do have access to PROTEL soft Step 23 ware listings do not have access to PROTEL Step 25 software listings At this point you can continue by debugging the software or else contact next level of support Monitor log buffers in all nodes CM MS LIM LIU while testing for indications of software problems such as SWERRS and traps Debug software using the DEBUG utility and the PROTEL program listings If the problem that led you to this procedure was a routeset problem determine if there are any more ISTb or SysB routes in the routeset If Do more routes are ISTb or SysB Step 3 all routes are in sevice Step 26 For further assistance contact the personnel responsible for the next level of support You have completed this procedure DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 7 43 7 CCS7 network non menu commands Description of non men
35. HOU OLEH WEEE LIS 3 Filler anel wnn faunan ffonau ppg SLMO SLM1 p PULIO HOU OLEHE IEEE DTE TME DSNE IOE DPCC LPP EMC Integrated node DMS tasks An INode is a combined SSP and STP and it supports all the functions of an SSP and an STP The combination allows the use of a single site and a reduced number of frames and cabinets By integrating CCS7 elements into a single node operating companies can accrue cost savings that result from shared equipment reduced transmission facilities and integrated operations administration and maintenance The following subsections describe DMS STP SP SSP and INode tasks Gateway screening Gateway screening controls access to a CCS7 network and database by other CCS7 networks The system screens CCS7 messages as the messages enter a DMS STP node The screening process makes sure that only authorized 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 21 network users access facilities and services The screening process is as follows e CCS7 messages contain routing data This data includes destination and originating point codes GTT numbers and information that identifies the service that the message accesses e Operating companies can specify the services of its network which users can access To specify the services operating companies set screening standards in the MTP and SCCP protocol layers e Gateway screening denies network access to traffic
36. MAP levels normally accessed at the regular MAP terminals are not available at the RTIF 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 11 Troubleshooting a LIM unit continued CAUTION Possible outage Do not issue commands from an RTIF on an in service LIM An outage will occur if you try to do that If the LIM is powered down power it up The hex display on the RTIF is frozen but you can enter RTIF backslash commands You do not have to take any manual action regarding the jam status of the LIM unit since the system takes care of it At the MAP terminal enter the PMRESET command At the RTIF watch for an out of band message followed by a reset initiated message These messages should appear on the RTIF within 20 s from the time you entered the PMRESET command If the reset initiated message Do appears Step 13 does not appear Step 5 Verify that the LIM unit resets locally by entering a RESET MS00 command at the RTIF If the LIM unit Do resets Step 6 does not reset Step 12 Replace the NT9X17 and NT9X23 circuit cards in the LIM unit and the message switch MS At the MAP terminal enter the PMRESET command On the RTIF watch for an out of band message followed by a reset initiated message These messages should appear on the RTIF within 20 s from the time the PMRESET command is entered at the MAP If the reset message Do appears at the RTIF but not at Step 13
37. Maintenance Guide Volume 1 of 2 2000Q2 6 10 Advanced troubleshooting procedures Troubleshooting a LIM unit Application Use this procedure to troubleshoot a failed link interface module LIM unit that does not respond to basic maintenance procedures Definition This procedure explains how to troubleshoot a LIM unit using a remote terminal interface RTIF If you do not have a portable RTIF with an EIA cable you can use the RTIF from the inactive computing module CM by transferring the RTIF cable from the dual plane combined core DPCC cabinet to the link peripheral processor LPP cabinet Common procedures None Action Follow the steps to perform the procedure Troubleshooting a LIM unit At your current location 1 Review the maintenance actions already taken Repeat if necessary If the LIM problem Do still exists Step 2 no longer exists Step 17 2 Connect the RTIF to the LIM unit by plugging the RTIF cable into the lower RS232 connector on the NT9X26 circuit card e For LIM unit 0 the NT9X26 circuit card is on shelf 0 the top shelf in slot 17R e For LIM unit 1 the NT9X26 circuit card is on shelf 0 the top shelf in slot 22R Note The RTIF banner shows MS 0 or MS 1 depending on which LIM unit it is connected to When a working or valid software load is present Ai flashes and you can enter many Cl commands such as DEBUG and LOGUTIL You can also enter normal RTIF backslash commands MAPCI and all
38. Maintenance Guide Volume 1 of 2 2000Q2 15 1 15 PROG directory commands PROG directory commands The PROG directory contains the command program listing for the command interpreter CI system All new command programs added to the DMS switch appear in this directory Accessing the PROG directory When you perform login at the MAP terminal you access the PROG directory directly and all valid PROG level commands are available PROG directory commands The GWXREF command is available directly at the CI level DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 15 2 PROG directory commands GWXREF Command GWXREF Directory PROG CI level of the MAP Function Use the GWXREF command to display screening data from the signaling transfer point STP Gateway Screening tables Usage notes The GWXREF command is available only for customers with the Gateway Screening feature It applies to STP and Integrated Node INode The screening references are defined in the following tables e C7ALWOPC e C7BLKOPC e C7ALWSIO e C7BLKSIO e C7ALWDPC e C7BLKDPC e C7DESTFLD e C7CGPA e C7ALWGTT e C7CDPA e C7AFTPC 297 8991 545 Standard 06 01 July 2000 PROG directory commands 15 3 GWXREF continued Command parameters and variables The following table describes the command parameters and variables Parameters and variables GWXREF command parameters and variables Command GWXREF ltem F
39. Operational Measurements Reference Manual e Translations Guide Table 3 1 CCS7 network OM groups Sheet 1 of 3 Group Description ASUFBUS Monitors transmit and receive activity between the F buses and the application specific unit ASU ASUMEMUT Monitors the use of data store and program store for an application specific unit ASU C7AUTOIM The C7AUTOIM OM group is associated with Auto Imaging on the DMS STP The Auto Imaging process monitors global title translation data changes on the LIU7 MLIU or HLIU on an hourly basis When the number of changes exceeds the threshold set by the Auto Imaging process an automatic dump initiates Operating company personnel can bypass the automatic dump process and perform manual dumps on the LIU7 MLIU or HLIU DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 3 2 CCS7 network operational measurements Table 3 1 CCS7 network OM groups Sheet 2 of 3 Group C7GTLNK C7GTWSCR C7GWSCCP C7HSLAL1 C7HSLAL2 C7HSLCAR C7HSLATM C7LINK1 C7LINK2 C7LINK3 C7LINK4 C7LKSET C7LPP C7LPP2 C7MTP C7ROUTE C7RTESET C7SCCP C7SCCPCO Description Captures operational information about global title translations GTT OMs uploaded from the link When the GTT OMs are uploaded C7GTLNK places each OM in its own register corresponding to the correct link Counts messages discarded at a DMS STP by C7 gateway screening because they were written by unauthorized users
40. STP B Linkset Linkset and routeset and routeset One out of two links fail Failure logs Failure logs CCS101 Link failure No logs generated in other CCS164 Link unavailable DMS 100 offices PM and ISUP C7UP logs may follow for STPs and SSPs DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 4 Advanced troubleshooting procedures How to determine the cause of a failed link continued Logs generated when two out of two links fail DMS STP DMS STP B Linkset and routeset Linkset and routeset Failure logs Failure logs CCS101 Link failures two one for CCS167 Route restricted each failed link CCS164 Link unavailable two one for each failed link CCS167 Route restricted CCS175 Routeset restricted PM and ISUP C7UP logs may follow for STPs and SSPs Common procedures None Action Follow the steps to perform the procedure How to determine the cause of a failed link At your current location 1 Review the maintenance actions already taken to date Repeat if necessary If the link problem Do still exists Step 2 no longer exists Step 12 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 5 How to determine the cause of a failed link continued 2 Determine if the failure has caused an end office toll trunk to be isolated that is all links to the end office have failed If an end office toll trunk Do is isolated
41. Step 10 Step 9 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 29 Troubleshooting links and linksets end 10 11 12 13 14 15 Perform the procedure Troubleshooting an ASU in this chapter If the link or linkset problem Do still exists Step 10 no longer exists Step 15 Cycle the links through the offline state If the link or linkset problem Do still exists Step 11 no longer exists Step 15 Check for SWERRs traps and logs indicating a software problem If a software problem Do is indicated Step 12 is not indicated Step 14 The problem is likely a software problem If you Do have access to PROTEL soft Step 13 ware listings do not have access to PROTEL Step 14 software listings Troubleshoot the software or contact the personnel responsible for the next level of support Monitor log buffers in the CM MS LIM and link interface unit LIU and test for indications of software problems such as SWERRS and traps Debug software using the debug utility and the PROTEL program listings For further assistance contact the personnel responsible for the next level of support You have completed this procedure DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 30 Advanced troubleshooting procedures Troubleshooting remote point codes Application Definition Use this procedure to troubleshoot remote point code problems that do
42. The entry of 8 monitors all signal points This variable specifies the OPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 monitors all zones This variable specifies the OPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 monitors all exchanges This variable specifies the OPC signal point of the CCITT message in format GERMAN The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the OPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 This variable specifies an OPC Hauptvermittlungsstelle Tandem Level Switching Exchange for the CCITT message in format GERMAN The number ranges from 0 to 8 This variable specifies the OPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the OPC zone of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all zones This variable specifies an OPC Knotenvermittlungsstelle Trunk Tandem Switching Exchange for the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the OPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 monitors all members This variable specifies the OPC network number
43. Troubleshooting links and linksets At your current location 1 Review maintenance actions taken to date Repeat if necessary If the link or linkset problem Do still exists Step 2 no longer exists Step 15 2 Test the facilities with a C7BERT Correct facilities problems using the How to determining the cause of a failed link procedure in this chapter When facility faults are corrected return to this point 3 Check the status of the facilities If the link or linkset problem Do still exists Step 4 no longer exists Step 15 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 28 Advanced troubleshooting procedures Troubleshooting links and linksets continued 4 Verify all related datafill tables e C7LKSET C7LINK e C7NETWRK e C7RTESET If the datafill is correct not correct Correct the datafill If the link or linkset problem still exists no longer exists Do Step 6 Step 5 Do Step 6 Step 15 Verify the datafill tables at the node at the other end of the link e C7LINK e C7LKSET e C7NETWRK e C7RTESET If the datafill is Do correct Step 8 not correct Step 7 Correct the datafill If the link or linkset problem Do still exists Step 8 no longer exists Step 15 Reload the CCS7 link interface unit LIU7 multiple link interface unit MLIU or high speed link interface unit HLIU and high speed link router HSLR and test it If the test passed failed Do
44. Usage examples The following table provides an example of the command Command example Example of the SET command gt SET SAR E800 ON where SAR is the functionality E800 is the subystem name ON is the state of the SAR functionality MAP response SUBSYSTEMSAR STATECRP STATE E800 ON OFF Explanation The SAR functionality is enabled for subsystem E800 Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the SET command MAP output Meaning and action SUBSYSTEM SAR STATE CRP STATE E800 ON OFF Meaning The SAR functionality is enabled for subsystem E800 Action Subsystem E800 sends long messages ERROR Subsystem provided is not datafilled in table C7LOCSSN Meaning The subsystem is not datafilled in table C7LOCSSN Action Refer to table C7_LOCSSN to determine which subsystems are datafilled on the node 297 8991 545 Standard 06 01 July 2000 C7SARCRP directory commands 10 7 SET end Command responses Sheet 2 of 2 Responses for the SET command MAP output Meaning and action Warning he TEL00009 option is currently idle The state of SAR or T Warning CRP functionality of each subsystem may be set to O T N but this functionality will only be in effect after the EL00009 option is on Meaning Operating company personnel can set the state of the SAR or CR
45. Usage notes None DISPLAY C7TU C7TULINK Use the DISPLAY command to display recently built test messages The command displays messages for formats within the CCITT7 network Command parameters and variables The following table describes the command parameters and variables Parameters and variables DISPLAY command parameters and variables Command DISPLAY ltem ALL msg_num VERBOSE Parameters and variables ALL VERBOSE msg_num Description This parameter displays all C7TU test messages that exist in the message table This variable specifies the number of the test message to be displayed The number ranges from 0 to 7 This parameter displays the complete C7TU message including the internal header 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 21 DISPLAY end Usage examples The following table provides an example of the command Command example Example of the DISPLAY command gt DISPLAY ALL MAP response C7TU MESSAGE SIO DPC OPC SLS num type length ni pr si mem clu net mem clu net O SLTM 9 Ze 385 22 001 001 001 002 002 002 0 C7TU MESSAGE SIO DPC OPC SLS num type length ni pr si mem clu net mem clu net QO UDT 56 23 2 003 004 005 006 007 008 2 C7TU MESSAGE SIO DPC OPC SLS num type length ni pr si XXXX XXXX XXXX XXXX XXXX XXXX O INR 14 O 2 ISUP default routing label Explanation The syst
46. User Part Unavailable UPU functionality UPU functionality impacts service Traffic on a UP will stop if UPU is enabled and the UP becomes unavailable Accessing the C7UP directory To access the C7UP directory level enter the following command from the CI command interpreter level gt C7UP and press the Enter key C7UP directory commands The following commands are available at the C7UP directory level The commands are arranged in alphabetical order e ACT e DEACT e HELP e QUIT e STATUS DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 13 2 C7UP directory commands ACT Command ACT Directory C7UP Function Use the ACT command to activate User Part Unavailable UPU functionality Usage notes UPU functionality impacts service Refer to feature AU2377 before activating UPU Use this command on the following service indicators SI signaling connection control parts SCCP telephone user parts TUP integrated services digital network user parts ISDN_UP data user part DUP _CALL_AND_CIRCUIT DUP_MAINTENANCE TUP_PLUS Command parameters and variables The following table describes the command parameters and variables Parameters and variables ACT command parameters and variables Command Parameters and variables ACT si Item Description si This variable indicates the service indicator on which UPU is to be activated See the Usage notes section in this document
47. Volume 1 of 2 2000Q2 14 4 MTPCVRT directory commands CONVERT end Command responses Sheet 2 of 2 Responses for the CONVERT command MAP output Can not conv Meaning and action Meaning You attempted to convert a network that is not in the CCITT format Action None rt between the same PC format Meaning You attempted to convert to the point code format that the network was already using Command CONVERT fails Action Retry the command with a valid point code format PC format conversion requested is not supported Meaning You attempted to convert to an invalid point code format Command CONVERT exits Action Retry the command with a valid point code format Error has occurred with lt table name gt Table Error occurred at tuple Meaning An error occurred at the specified tuple on the specified table The system exits the table and attempts to restore the network to its previous format A serious problem exists Action Contact your next level of support ERROR Could not convert lt table_name gt table back to original format Manual change required Meaning An error occurred when the system attempted to restore the network to its original format The table must be converted manually Action Contact your next level of support 297 8991 545 Standard 06 01 July 2000 MTPCVRT directory commands 14 5 DISPLAY Command DISPLAY Directory MTPCVRT Function Use t
48. and the C7TU match table A user created message has been placed into the LIU or MSB7 on the CCS7 link A user created message has been placed into the LIU or MSB7 to be sent out onto the CCS7 link A user created message has been placed into the LIU or MSB7 but has not been sent out onto the CCS7 link C7TU has received a message that can not be interpreted This is a response to a destination point code DPC command This is a response to the SELECT command when it is used to turn tracing on This is a response to the SELECT command when it is used to turn tracing off This log indicates that a periperal module is sending more than 10 log messages per minute to the computing module The number of messages not sent is indicated in the log No acknowledgement message is received from the far end office An unreasonable message is received on a trunk A CCS7 connection is released due to an abnormal condition A blocked or unblocked circuit conditions DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 12 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 11 of 14 Log C7UP104 C7UP105 C7UP106 C7UP107 C7UP108 C7UP109 C7UP110 C7UP111 C7UP112 C7UP113 C7UP114 C7UP115 C7UP116 C7UP117 C7UP120 C7UP121 C7UP123 C7UP300 DDM logs DDM100 Definition A circuit group blocking or unblocking conditions An unsuccessful ISDN call attempt occurs Problems occur because o
49. and variables The following table describes the command parameters and variables Parameters and variables HELP command parameters and variables Command Parameters and variables HELP C7TULINK Item Description C7TULINK This parameter produces online documentation for the C7TULINK directory 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 25 HELP end Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP C7TULINK MAP response XxX KKAXAX XCTTU LINK PMT7 ENVIRONMENT ASK set three MASK bytes of an entry ATCH set the MATCH bytes of an entry DUMP display MATCH table in hex format HELP generate this text ONitor monitor messages at the ST interface REMOVE cancel an intercept monitor request or build RESTORE send the MATCH table entries to MSB SELECT select PMs and attributes QUIT exit C7TULINK environment STATUS display the status of the C7TULINK environment Enter Q for more information Explanation You entered the C7TU directory accessed the basic C7TULINK directory and performed a help query Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output Meaning and action MODULE NOT LOADED OR N T EDS OTHER CI INCREMENT TO BE BUILT
50. between the computing module and a peripheral module 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 3 Table 2 1 Summary of CCS7 network logs Sheet 2 of 14 Log AUDT613 AUDT614 AUDT615 AUDT616 AUDT617 AUDT618 AUDT620 AUDT622 AUDT623 AUDT624 AUDT626 AUDT628 CCS logs CCS101 CCS102 CCS103 Definition An audit discovers a mismatch in the linkset availability states between the computing module and a peripheral module A CCS audit discovers a mismatch in the routeset availability states between the computing module and a peripheral module A CCS audit discovers a mismatch in the route availability states between the computing module and a peripheral module An audit discovers a mismatch in the link synchronization Sync states between the computing module and the signaling terminal ST An audit reports CM linkset SLS data error detection and data mismatches between the CM and LIU linkset SLS data An audit reports CM combined linkset SLS data error detection and correction and data mismatches between the CM and LIU combined linkset SLS data An audit discovers a mismatch in the link discard levels between the computing module and the signaling terminal ST A CCS audit discovers a mismatch between the link discard levels of the computing module and a peripheral module A CCS audit discovers a mismatch in routeset congestion levels between the computing m
51. by the STP Step 13 are not being sent by the STP Step 20 Use C7TU to determine if response messages TFx are being sent by the far end DMS SP SSP DMS SCP If TFx messages are Do being sent Step 17 not being sent Step 14 Verify that the test messages are properly coded with such codes as the OPC DPC network indicator and concerned point code If the messages are Do properly coded Step 22 miscoded Step 15 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 40 Advanced troubleshooting procedures Troubleshooting routes and routesets continued 15 16 17 18 19 20 Reverify the datafill in the MTP tables because this datafill determines the coding of the test messages If the route Do remains ISTb or SysB Step 22 is in service Step 24 Notify the personnel responsible for maintenance of the far end DMS SP SSP DMS SCP of the problem If the route Do remains in ISTb or SysB Step 23 is in service Step 24 Responses to test messages are present The DMS STP switch is required to update the route to match the TFx from the far end DMS SP SSP DMS SCP If the STP is Do updating the route Step 20 not updating the route Step 18 Verify the coding of the TFx message If the message Do is coded correctly Step 20 is not coded correctly Step 19 Notify personnel responsible for maintenance of the far end to rectify the improper coding of the TFx message If the problem was
52. command to enable the C7TU in the peripheral module that is to be used WARNING MSG TYPE HAS BEEN OVERWRITTEN Meaning The command executed The message body that comes after the routing label has been overwritten with the entries or default for the data parameter The default entry zero fills all data bytes after the routing label up to the truncating limit of 16 bytes for a match entry Action None 297 8991 545 Standard 06 01 July 2000 Command Directory Function Usage notes None C7TULINK directory commands 12 41 MASK MASK C7TU C7TULINK Use the MASK command to specify bytes to be masked in the mask array of the match table The system disregards masked bytes when screening incoming messages to be monitored or intercepted Previously the entire 16 bytes of a mask entry had to be specified in order to change one byte in the mask array This command allows you to specify the first byte in which to enter data Command parameters and variables The following table describes the command parameters and variables Parameters and variables MASK command parameters and variables Command Parameters and variables MASK item_no byte_offset data Item Description byte_offset data item_no This variable specifies the first byte in which to enter data The valid entry range is 0 to 15 This variable specifies the data to be placed in the array Separate each data byte wit
53. descriptions 47 43 8 C7RTR directory commands C7RTR directory commands 8 1 8 1 297 8991 545 Standard 06 01 July 2000 Contents ix Accessing the C7RTR directory 8 1 C7RTR directory commands 8 1 ACTIVATE 8 2 DEACTIVATE 8 5 DOWNLOAD_MTP_ 8 8 HELP 8 12 QUERY_EXT_ROUTING 8 14 QUERY_EXP_RTESETS 8 17 QUERY_MAX_RTESETS 8 19 QUIT 8 21 REMOVE_MTP_ 8 22 9 C7RTRQRY directory commands 9 1 C7RTRQRY directory commands 9 1 Accessing the C7RTRQRY directory 9 1 C7RTRQRY directory commands 9 1 HELP 9 2 QUERY_EXT_ROUTING 9 4 QUIT 9 7 TRNSL_TRK_ROUTING 9 8 10 C7SARCRP directory commands 10 1 C7SARCRP directory commands 10 1 Accessing the C7SARCRP directory 10 1 C7SARCRP directory commands 10 1 HELP 10 2 QUIT 10 4 SET 10 5 STATUS 10 8 11 C7TU directory commands 11 1 C7TU directory commands 11 1 Accessing the C7TU directory 11 1 C7TU directory commands 11 1 C7TULINK 11 2 C7TUPRT 11 4 C7TUREC 11 7 DPC 11 10 HELP 11 13 MSGCODE 11 15 QUIT 11 17 12 C7TULINK directory commands 12 1 C7TULINK directory commands 12 1 Accessing the C7TULINK directory 12 1 Accessing the password protected C7TULINK monitoring environment 12 1 C7TULINK directory commands 12 3 ALTER 12 4 BUILD 12 10 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 x Contents DISPLAY 12 20 DUMP 12 22 HELP 12 24 INTERCEPT MASK 12 41 MATCH 12 44 MONITOR 12 47 QUIT 12 59 REMOVE 12 61 SELECT 12 63 SEND 12 67 STATUS 12 7
54. end office to continuously send Status indication processor outage SIPO messages on the link At the C7LKSET level of the MAP display you can detect receipt of SIPO messages when the sync state of the link changes from system busy SYSB to remote processor outage RPO 2 Isolate the faulty section of the link by placing loopbacks in the facility Place the loopback as close to the end office you are working from as possible 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 9 Troubleshooting a facility fault end 3 Determine the state of the link If the synchronization state Do changes from SysB to RPO Step 4 remians SysB Step 5 4 The facility is good up to the loopback Move the loopback one step further away from the end office and repeat Section 3 on page 9 5 You have located the facility fault Clear or bypass the fault then return the link to service CAUTION Possible congestion on the link If you do not deactivate the link before returning it to service and a loopback is in place you can cause congestion on the link The link becomes flooded with messages By deactivating the link and running a signaling link test you ensure that the link is not returned to service with a loopback in place To ensure a signaling link test is run first deactivate the link and then return it to service and activate it 7 You have completed this procedure DMS 100 Family CCS7
55. for a list of valid service indicators 297 8991 545 Standard 06 01 July 2000 C7UP directory commands 13 3 ACT end Usage examples The following table provides an example of the command Command example Example of the ACT command gt ACT SCCP where SCCP is the service indicator MAP response WARNING Activating UPU functionality for SCCP Explanation Normal response for command ACT The command was successful UPU functionality is active on the specified SI Responses The following table describes the MAP responses Command responses Responses for the ACT command MAP output Meaning and action lt SI gt already has UPU activated Meaning UPU is active on the specified SI Action None WARNING Activating UPU functionality for lt SI gt Meaning The command was successful UPU functionality is active on the specified Sl Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 13 4 C7UP directory commands DEACT Command DEACT Directory C7UP Function Use the DEACT command to deactivate User Part Unavailable UPU functionality Usage notes UPU functionality impacts service Refer to feature AU2377 before deactivating UPU Use this command on the following service indicators SI e signaling connection control parts SCCP e telephone user parts TUP e integrated services digital network user parts ISDN_UP e data user part
56. from the match table MESSAGE This parameter removes an entry from the message table number This variable is the number of the entry to be removed The valid entry value is 0 to 7 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 62 C7TULINK directory commands REMOVE end Usage examples The following table provides an example of the command Command example Example of the REMOVE command gt REMOVE MATCH 7 where 7 is the entry number MAP response gt Explanation The command was successful Entry 7 has been removed Responses The following table describes the MAP responses Command responses Response for the REMOVE command MAP output Meaning and action Item number lt num gt is currently not defined in the match table Meaning You entered a match entry number not yet built using the MONITOR or INTERCEPT commands The command does not execute Action Validate the match entry number and reissue the command Message number lt num gt has not been built yet Meaning You entered a message number not yet built using the BUILD command The command does not execute Action Validate the message number and reissue the command Must specify Entry Number or ALL for REMOVE Meaning You entered an invalid value The command does not execute Action Reenter the command with a valid entry number or all 297 8991 545 Standard 06 01 July 2000
57. is 0 to 32 The entry of 32 monitors all zones This variable specifies the OPC signal point of the CCITT message in format CHINA The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the OPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 monitors all zones This variable specifies the OPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 monitors all exchanges This variable specifies the OPC signal point of the CCITT message in format DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 16 C7TULINK directory commands BUILD continued Parameters and variables Sheet 6 of 7 BUILD command parameters and variables O_group o_hvst o_intlsgpt o_intlzone o_kvst oO _ member o_network o_numarea o_pc o_region opc_areaunit opc_cluster This variable specifies the OPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 This variable specifies an OPC hauptvermittlungsstelle tandem level switching exchange for the CCITT message in format GERMAN The number ranges from 0 to 8 This variable specifies the OPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the OPC zone of the CCITT message in format INTL
58. log system to display messages as they occur or to send all messages from the peripheral modules PM to a file It is more effecient to send a large number of messages to a file rather than to flood the log system Command parameters and variables The following table describes the command parameters and variables Parameters and variables C7TUREC command parameters and variables device_name file_name QUERY START STOP Command Parameters and variables QUERY START device_name file_name C7TUREC STOP Item Description This variable specifies the name of the device where the CCS7 messages will be stored This variable specifies the name of the file where the CCS7 messages will be stored This parameter queries the active recording device and file This parameter starts recording the CCS7 messages on a specified device and file This parameter stops recording the CCS7 messages on the specified device and file DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 8 C7TU directory commands C7TUREC continued Usage examples The following table provides examples of the command Command example Example of the C7TUREC command gt C7TUREC QUERY MAP response C7TU RECORD ONTO SFDEV TEMPFILE Explanation The active recording device and file are identified MAP responses The following table describes the MAP responses Command responses Sheet 1 of
59. match After the first acceptable match the rest of the entries are not evaluated for a match Ensure that your match entries are not screened by another user s entry e To select LIUs in order to intercept on their associated links use the SELECT command To remove selected LIUs use the REMOVE command 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 27 INTERCEPT continued Command parameters and variables The following table describes the command parameters and variables DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 28 C7TULINK directory commands INTERCEPT continued Parameters and variables Sheet 1 of 10 INTERCEPT command parameters and variables Command Parameters and variables INTERCEPT ALL direction LINK Iset_names link_code ANSI ALL 1 LABEL netwk_indicator 2 CCITT ALL 3 LABEL netwk_indicator 4 TTC ALL 5 LABEL netwk_indicator 6 JPN ALL 7 LABEL netwk_indicator 8 NTC ALL 9 LABEL netwk_indicator 10 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 29 INTERCEPT continued Parameters and variables Sheet 2 of 10 INTERCEPT command parameters and variables Command INTERCEPT continued Parameters and variables 1 2 priority dpc_mem dpc_cluster doc_netwk opc_mem opc_cluster 2 3 3 4 priority BASIC d_pc 4 INTL d_intlzone d_areantw d_intlsgpt 1 AUSTRIA d_
60. message is received from the network An invalid traffic mix information TFMI message is received from the network The SCCP fails to route a message in a link interface unit LIU This log is subject to thresholding Each LIU routing failure generates a maximum of nlogs in a 1 min period If more than nrouting failures occur in a 1 min period no additional CCS2241 logs are generated Instead a CCS243 log is generated at the end of the 1 min period Currently nis set to 20 The local SCCP susystem attemps to format a global title GT in the called party address of a message it is about to transmit and SCCP determines if the interanl global title translation GTT name GTTNAME used by the subsystem is not datafilled in the GTTID field in table C7GTTYPE Excessive SCCP routing failures occur in the LIU peripheral module Normal routing failures are reported in CCS241 logs However when the number of routing failures during a 1 min period exceeds a threshold currently 20 CCS241 logs are no longer generated to prevent overloading of the log system Instead routing failures are counted and reported at 1 min intervals in CCS243 logs The difference between the routing failures value and the failures not logged value in CCS243 is the threshold value currently 20 A threshold quantity of CCS241 logs currently 20 is always generated before a CCS243 log is created Table C7LOCSSN has not been datafilled for a local subsystem that is tr
61. message table use the BUILD command e To remove an entry from the message table use the REMOVE command e To display the current entries in the message table use the DISPLAY command Figure 4 10 shows an example of building and displaying a message Note For ANSI ISUP messages you are prompted to specify every bit in the message you are building It is easier to build a simple message like an RSC which has no message body then use the ALTER command to change the message type byte Refer to Altering the CCS7 messages you build section in this chapter Figure 4 10 shows a message being built and then displayed The BUILD command specifies entry 1 in the message table It is for network type ANSI with a default routing label and RSC message type and trunk CIC 600 Figure 4 10 Example of building and displaying messages gt BUILD 0 ANSI DEFAULT RSC PARMS 600 gt DISPLAY 0 MAP display C7TU MESSAGE SIO DPC PC 233 NUM TYPE LENGTH NI PR SI XXXX XXXX XXXX XXXX XXXX 0 RSC 14 O 2 ISUP DEFAULT ROUTING LABEL MESSAGE BYTES Os cde 2 13h edn G CIM e E AON LO LT TA 13 AS Gr 28 08 00 FD 04 FD FD 25 00 90 00 F4 01 12 No user defined DISPLAY PRINT procedure provided 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 15 Altering the CCS7 messages you build Alter messages in the message table using the ALTER command The old message is overwritten by the altered ver
62. o_region o_group o_member 3 4 sls 5 6 opc_areaunit sls 7 8 opc_areaunit sls 9 10 opc_subarea sls continued 1 msg_code DATA hex_bytes 2 PARMS end Description This parameter specifies that the message to be monitored is network type American National Standards Institute ANSI This parameter identifies the format of the CCITT test message This parameter identifies the format of the CCITT test message This parameter identifies that the message to be monitored is network type CCITT This parameter identifies the format of the CCITT test message This parameter indicates that new hex data is specified If the DATA parameter is used enter the necessary hex bytes The message code may be one or two bytes long and does not necessarily follow the routing label immediately This parameter specifies a default routing label 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 13 BUILD continued Parameters and variables Sheet 3 of 7 BUILD command parameters and variables d_areantw d_austsgpt d_austzone d_chnsgpt d_chnzone d_exchange d_gersgpt d_group d_hvst d_intlsgpt d_intlzone d_kvst d_member d_network This variable specifies the destination point code DPC area network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 monitors all area networks This variable specifies the DP
63. of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 monitors all networks This variable specifies the OPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 54 C7TULINK directory commands MONITOR continued Parameters and variables Sheet 7 of 8 MONITOR command parameters and variables Command Parameters and variables oO _pc This variable specifies the OPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 o_region This variable specifies the OPC region of the CCITT message in format AUSTRIA or opc_areaunit INTL2 The valid entry range for AUSTRIA is 0 to 16 The entry of 16 monitors all regions The valid entry range for INTL2 is 0 to 8 The entry of 8 monitors all regions This variable specifies the OPC area unit number of the TTC or JPN message The valid entry range is 0 to 128 The entry of 128 monitors all area units opc_cluster This variable specifies the OPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all clusters opc_ This variable specifies the OPC main area number of the TTC JPN or NTC mainarea message The valid entry ranges are e Oto 32 for TTC The entry of 32 monitors all main area numbers e Oto 32 for JPN The entry of 32 monitors all main area numbers e Oto 256 for N
64. of the same document is 02 01 The second two digits indicate the issue The issue number increases each time the document is revised but rereleased in the same software release cycle For example the second release of a document in the same software release cycle is 01 02 To determine which version of this document applies to the software in your office and how documentation for your product is organized check the release information in Product Documentation Directory 297 8991 001 References in this document The following documents are referred to in this document e Alarm and Performance Monitoring Procedures 297 xxxx 543 e Card Replacement Procedures 297 xxxx 547 e Log Report Reference Manual 297 xxxx 840 e Maintenance and Operations Manual 297 8991 500 e Maintenance Managers Morning Report 297 1001 535 e Operational Measurements Reference Manual 297 xxxx 814 e Provisioning Manual PLN 8991 104 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 xii About this document e Recovery Procedures 297 xxxx 545 e Routine Maintenance Procedures 297 xxxx 546 e Software Optionality Control User Manual 297 8991 901 e SPMS Application Guide 297 1001 330 e Translations Guide 97 xxxx 350 e Trouble Locating and Clearing Procedures 297 xxxx 544 e Engineering and Administration System SEAS Reference Guide 297 8121 020 e Provisioning Manual 297 1001 450 Note The document layer number xxxx denotes the
65. product computing module load PCL What precautionary messages mean The types of precautionary messages used in NT documents include attention boxes and danger warning and caution messages An attention box identifies information that is necessary for the proper performance of a procedure or task or the correct interpretation of information or data Danger warning and caution messages indicate possible risks Examples of the precautionary messages follow ATTENTION Information needed to perform a task ATTENTION If the unused DS 3 ports are not deprovisioned before a DS 1 VT Mapper is installed the DS 1 traffic will not be carried through the DS 1 VT Mapper even though the DS 1 VT Mapper is properly provisioned 297 8991 545 Standard 06 01 July 2000 DANGER About this document xiii Possibility of personal injury DANGER Risk of electrocution Do not open the front panel of the inverter unless fuses F1 F2 and F3 have been removed The inverter contains high voltage lines Until the fuses are removed the high voltage lines are active and you risk being electrocuted WARNING Possibility of equipment damage CAUTION DANGER Damage to the backplane connector pins Align the card before seating it to avoid bending the backplane connector pins Use light thumb pressure to align the card with the connectors Next use the levers on the card to seat the card into the connecto
66. resides in the tool supervisor TOOLSUP The tool supervisor also provides a history of when the tool was used To access the password protected commands in the C7TULINK level enter the following commands from the CI level gt TOOLSUP and press the Enter key gt date DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 2 C7TULINK directory commands and press the Enter key where date represents day date month year time gt ACCESS ON C7TU_ILPT7 and press the Enter key gt valid_password and press the Enter key where valid_password represents a valid password Note If a valid password is entered the system provides access and displays these messages C7TU_ILPT7 permitted C7TU_ILPT7 access will expire 48 hours from now xx WARNING You have permitted access to command s that require skilled and knowledgable users Proper use is required to avoid possible service degradations Please ensure that only fully trained and qualified personnel proceed gt C7TU MAP response TLPT7 INTEGRATED LINK PROTOCOL TEST TOOL ILPT7 allows messages to be monitored or intercepted on a CCS7 signaling link In addition messages may be sent in or out on a CCS7 signaling link WARNING WARNING WARNING C7TU should only be used under the strict supervision of TAS or TELCO personnel who completely understand the ramifications of using C7TU on a switch carrying traffic I
67. subsystems that do not respond to procedures in other DMS STP maintenance documents Definition Remote subsystems are the signaling connection control part SCCP view of the availability of subsystems such as 800Plus and ACCS at signaling end points end offices or databases or both Remote subsystems are associated with remote point codes and routing must be available to the remote point code before routing can be applied to a remote subsystem In addition test messages are used to verify routing availability to a remote subsystem Common procedures None Action Follow the steps to perform the procedure Troubleshooting remote subsystems At your current location 1 Review maintenance actions taken to date Repeat if necessary If the remote subsystem prob Do lem still exists Step 2 no longer exists Step 18 2 Verify datafill in table C7NETSSN to ensure that the remote subsystem number is datafilled correctly If the datafill is Do correct Step 4 not correct Step 3 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 34 Advanced troubleshooting procedures Troubleshooting remote subsystems continued 3 Correct the datafill If the remote subsystem prob Do lem still exists Step 4 no longer exists Step 18 4 Determine if the subsystem is available at the far end If the subsystem is Do available Step 5 not available Step 13 5 Use C7TU to determine if subsystem test SST messages are being s
68. terminator extender paddle board paddle board paddle board paddle board NT9X79 NTEX20BA NTEX20AA NT9X79 F bus F bus repeater repeater NT9X74 NT9X74 Integrated E Integrated E processor amp processor amp F bus interface F bus interface NTEX22 NTEX22 Interface Signaling Ethernet Ethernet paddle board terminal paddle board interface NT9X77 or NT9X76 NT9X85 card NT9X78 NT9X84 Signaling Ethernet link LAN DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 24 Advanced troubleshooting procedures Troubleshooting an F bus and F bus taps continued Organization of a four slot DLIU To LIM unit 0 To LIM unit 1 F bus extender F bus terminator F bus terminator F bus extender paddle board paddle board paddle board paddle board NT9X79 NTEX20BA NTEX20AA NT9X79 F bus repeater F bus repeater NT9X74 NT9X74 Integrated processor Integrated processor Integrated processor and F bus interface and F bus interface and F bus interface NTEX22 NTEX22 NTEX22 High speed Ethernet signaling terminal interface card NTEX76 NT9X84 DS 1 interface Ethernet paddle board paddle board NTEX78 NT9X85 STP 31781 High speed signaling link Ethernet LAN Note A dual link interface unit DLIU is a set of high speed link HSL termination hardware Each set consists of a high speed link interface unit HLIU and high speed link router HSLR 297 8991 545 Standard 06 01 July 2000 Adv
69. that originates from non authorized sources Gateway screening denies access to traffic that attempts to use services that are not leased Global title translation GTT translates an application specific address such as a dialed 800 number into the CCS7 network address required to complete the call The CCS7 link interface unit LIU7 the high speed link router HSLR or the multiple link interface unit MLIU performs GTT GTT does not impose a processing load on the computing module CM Each LIU7 MLIU or HSLR processor can handle GTT on all messages received on a SL As a result the system can apply GTT with minimal impact on DMS STP cross delay Automated system maintenance System software automatically initiates the following automated system maintenance functions Trunk audits When trunk audits detect a mismatch the log system reports it Maintenance personnel realign associated data or trunk state information Circuit query audits Every 24 h the system software uses circuit query messages to perform an audit on the trunk states The circuit query messages check to see if the remote state is compatible with the local state The system software can query up to 32 circuits at one time The audit begins at 2 00 a m unless you change the start time To change the audit time refer to instructions for the CIRCUIT_QUERY_AUDIT_START_TIME parameter You must datafill table TRKSGRP in order for the system to perform this audit F
70. the C7SARCRP directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response CIs gt Explanation You have exited out of the C7SARCRP directory Responses None 297 8991 545 Standard 06 01 July 2000 C7SARCRP directory commands 10 5 SET Command SET Directory C7SARCRP Function Use the SET command to enable or disable the state of the segmentation and reassembly SAR or circular routing prevention CRP functionalities The state of the functionalities can be set on each subsystem or all local subsystems Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables SET command parameters and variables Command Parameters and variables SET functionality subsystem_name state Item Description functionality This variable specifies the functionality The range of values is SAR or CRP state This variable specifies the state of the SAR or CRP functionality The range of values is ON or OFF subsystem_name _ This variable specifies the subystem Operating company personnel can specify one subsystem name or all local subsystems DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 10 6 C7SARCRP directory commands SET continued
71. the MAP display does not appear Step 8 Verify the DS30 cable connections between the LIM unit and the MSs Also verify the cross link connections Do not rely on cable tags Verify the connections against table LIMPTINV DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 12 Advanced troubleshooting procedures Troubleshooting a LIM unit continued 9 10 11 12 13 At the MAP terminal enter the PMRESET command At the RTIF watch for an out of band message followed by a reset initiated message These messages should appear on the RTIF within 20 s from the time you entered the PMRESET command If the reset message Do appears Step 13 does not appear Step 10 Test the continuity of the connectors At the MAP enter the PMRESET command On the RTIF watch for an out of band message followed by a reset initiated message These messages should appear on the RTIF within 20 s from the time the PMRESET command is entered at the MAP terminal Go to Step 13 Simultaneously replace the NT9X13 and NT9X26 cards in the LIM unit with spare cards Try to reset the LIM unit locally again with the RESET MS00 command at the RTIF If the LIM unit Do resets Step 13 does not reset Step 15 Try to load the LIM software Enter the PMRESET command at the MAP terminal The following sequence of messages appears at the RTIF Example of a MAP display UT OF BAND PLANE 1 ESET PLEASE CONFIRM Y
72. the external routing status Action None External Routing lt external routing state gt Current Routing path SLS lt gt Could not find data for link lt index gt Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Could not find linkset and slc for link lt index gt Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Could not find linkset name for linkset lt index gt DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 20 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Command responses Sheet 10 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Link lt index gt is not datafilled Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Error Link lt index gt is an MSB based link Meaning Command could not complete Action Contact the next level of support External Routing lt ext
73. the network indicator of the message The valid entries are as follows e INTL INTLSP e NATL e NATLSP This variable specifies the starting offset of the CCS7 message bytes to be altered The valid entry range is 0 to 256 This variable specifies the OPC cluster number of the message to alter The valid entry range is 0 to 255 Entering 0 alters all clusters This variable specifies the OPC member number of the ANSI routing message to alter The valid entry range is 0 to 255 Entering 0 alters all members This variable specifies the OPC area network of the message to alter The valid entry range is 0 to 255 Entering 0 alters all area networks This parameter changes the specified message in readable format This variable specifies the CCS7 priority to alter The valid entry range is 0 to 4 Entering 4 indicates a priority of all 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 7 ALTER continued Parameters and variables Sheet 3 of 3 ALTER command parameters and variables Command Parameters and variables prompt_ans This variable represents the system action when the parms parameter is used to alter the message in readable format The system produces the current value of valid parameters and prompts only for parameters that are valid for the message you want to alter When you complete the changes enter the word done to signal completion The message is updated when the new v
74. the signaling set for example LKS_TO_A e the link that is in service for that linkset for example LKS_TO_A1 e the direction of the message for example incoming Figure 4 12 shows the SEND command being used to send entry 0 from the message table as an incoming message Figure 4 12 Example of the SEND command gt SEND 0 INLKS TO B1 Setting the C7TU log throttle threshold C7TU has a throttling mechanism that prevents large numbers of C7TU log messages from being sent from any single link to the CM This prevents congestion due to unintentional C7TU overloading If you have access to C7TULINK_ILPT7 use the SELECT command to set a threshold between 1 and 60 messages a minute when selecting an LIU The default is 10 messages per minute Figure 4 13 shows the SELECT command being used to set a threshold of 30 messages per minute on LIU 101 Figure 4 13 Example of the SELECT command gt SELECT LIU7 101 ON 30 The threshold returns to the default for all selected LIUs when the last user of the C7TU quits To display the current threshold setting for an LIU use the STATUS command CAUTION Possible loss of service Do not set the log throttle threshold above the default of 10 on links with high CCS7 traffic loads as unexpected message loss may occur 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 17 CCS7 bit error rate test Use C7BERT during fault isolati
75. to specific users In addition there is a user definable log throttle threshold that prevents large numbers of C7TU log messages from being sent from a single link to a computing module CM C7TU commands Table 4 1 lists and describes C7TU commands Table 4 1 C7TU commands Command C7TULINK C7TUPRT C7TUREC DPC HELP MSGCODE QUIT Description Accesses message monitoring commands Displays C7TU reports recorded on a device by C7 TUREC Records C7TU reports from peripheral modules PM to a device Queries the state of a routeset Any state change produces a C7TU message Also enables and disables reports Displays information about C7TU commands Displays all message codes that can be used to specify the CCS7 messages to be monitored through the C7TULINK subdirectory Exits the C7TU directory Note Commands C7TUDTC and C7TURFC are no longer supported 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 3 C7TULINK and C7TULINK_ILPT7 commands Table 4 2 lists and describes the C7 TULINK and C7TULINK_ILPT7 commands Table 4 2 C7TULINK commands Command ALTER BUILD DISPLAY DUMP HELP INTERCEPT MASK MATCH MONITOR QUIT REMOVE RESTORE SELECT SEND STATUS enabled Match table Description Modifies a test message see Note Builds a test message see Note Displays the message table which contains test messages see Not
76. you have already left that directory QUIT Unable to quit requested number of levels Meaning You entered an n_levels variable replacement value that is too large Action Enter the QUIT ALL command string or retry the command with a smaller number of levels 297 8991 545 Standard 06 01 July 2000 12 1 12 C 7TULINK directory commands C7TULINK directory commands Use the C7TULINK level of the MAP to access commands for monitoring CCS7 messages Links can be monitored as well There are two versions of the C7TULINK environment The basic C7TULINK environment C7TULINK_PMT7 allows you to access commands that monitor messages only you are not allowed to build send or intercept messages unless you provide a valid password when accessing the C7TU MAP level The password protected C7 TULINK environment C7TULINK_ILPT7 allows the user to use the basic C7TULINK commands as well as commands used to build send or intercept messages Accessing the C7TULINK directory To access the C7TULINK directory level enter the following command from the CI command interpreter level gt C7TU C7TULINK and press the Enter key Accessing the password protected C7TULINK monitoring environment The password protected C7TULINK environment is identified as the C7TULINK_ILPT7 Integrated Link Protocol Test Tool environment In order to gain access to password protected C7TULINK commands you must provide a valid password that
77. 0 12 26 13 C7UP directory commands C7UP directory commands 13 1 Accessing the C7UP directory C7UP directory commands 1 ACT 13 2 DEACT 13 4 HELP 13 6 QUIT 13 8 STATUS 13 9 14 MTPCVRT directory commands 14 1 Accessing the MTPCVRT directory MTPCVRT directory commands MTPCVRT directory commands CONVERT 14 2 DISPLAY 14 5 HELP 14 7 QUIT 14 9 13 1 13 1 3 1 14 1 14 1 14 1 15 PROG directory commands PROG directory commands 15 1 Accessing the PROG directory PROG directory commands GWXREF_ 15 2 15 1 15 1 15 1 16 SLS8BIT directory commands SLS8BIT directory commands 16 Accessing the SLS8BIT direct SLS8BIT directory commands DISABLE 16 2 DISPL 16 6 ENABLE 16 8 HELP 16 12 QUIT 16 14 16 1 1 ory 16 1 16 1 297 8991 545 Standard 06 01 July 2000 xi About this document When to use this document This document contains maintenance instructions for the Common Channel Signaling 7 CCS7 network This document also contains the description of CCS7 network menu and non menu commands How to check the version and issue of this document The version and issue of the document are indicated by numbers for example 01 01 The first two digits indicate the version The version number increases each time the document is updated to support a new software release For example the first release of a document is 01 01 In the next software release cycle the first release
78. 0 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 4 C7RTR directory commands ACTIVATE end Command responses Sheet 2 of 2 Responses for the ACTIVATE command MAP output Meaning and action Action Refer to table C7ROUTER WARNING You are activating LIU7 external routing while there are local SS7 node s with STP capability datafilled in the C7NETWRK table NODE_TYPE SSP_STP If a total external router outage TRO occurs STP traffic will stop because all signaling links will go SYSB Meaning This warning is an information only message to explain the possible results of this command when the node type in table C7 NETWRK is SSP_STP Action None 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 5 DEACTIVATE Command DEACTIVATE Directory C7RTR Function Use the DEACTIVATE command to deactivate external routing The command forces the CCS7 digital trunk controllers DTCs to use MTP routing tables The DTCs use the MTP table information to route integrated services user part ISUP messages Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the DEACTIVATE command gt DEACTIVATE MAP response External Routing deactivated Explanation External routing deactivates CCS7 DTCs route ISUP messages DMS 100 Family CCS7 Maintenance Guid
79. 00 Family Common Channel Signaling 7 Maintenance Guide Volume 1 of 2 Product Documentation Dept 3423 Nortel Networks P O Box 13010 RTP NC 27709 3010 Telephone 1 877 662 5669 Electronic mail cits nortelnetworks com Copyright 1998 2000 Nortel Networks All Rights Reserved NORTEL NETWORKS CONFIDENTIAL The information contained herein is the property of Nortel Networks and is strictly confidential Except as expressly authorized in writing by Nortel Networks the holder shall keep all information contained herein confidential shall disclose the information only to its employees with a need to know and shall protect the information in whole or in part from disclosure and dissemination to third parties with the same degree of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Information is subject to change without notice Nortel Networks reserves the right to make changes in design and components as progress in engineering and manufacturing may warrant DMS MAP NORTEL NORTEL NETWORKS the NORTEL NETWORKS LOGO NORTHERN TELECOM NT and SUPERNODE are trademarks Nortel Networks Publication number 297 8991 545 Product release 2000Q2 Document release Standard 06 01 Date July 2000 Printed in the United States of America NORTEL NET
80. 00300 C7GTWLKS LSO000100 C7GTWLKS LS000102 C7CTWLKS LS000104 C7GTWLKS LS000106 C7GTWLKS LS000108 Meaning This is the standard response for command GWXREF USERS Action None 297 8991 545 Standard 06 01 July 2000 PROG directory commands 15 7 GWXREF end Responses for the GWXREF command Sheet 3 of 3 MAP output Meaning and action lt Linkset name gt is not a valid linkset name Meaning The linkset name specified does not exist in any of the tables Action None Unable to find the reference lt reference name gt in the table lt table name gt Meaning The reference does not exist in the specified table Action None Invalid Symbol Meaning The table name is incorrect Action Re enter the table name from the list of valid table names DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 1 16 SLS8BIT directory commands SLS8BIT directory commands Use the SLS8BIT command to access the SLS8BIT directory level Use the commands available at this level to control the 8 bit signaling link selection SLS Load Balancing optionality The 8 bit SLS is included in the software optionality control SOC option TEL00009 To use any of the SLS8BIT directory commands the state of SOC option TELO0009 must be ON Refer to the Software Optionality Control User Manual 297 8991 901 for more information on how to change the state of an option
81. 1 of 2 2000Q2 11 4 C7TU directory commands C7TUPRT Command C7TUPRT Directory C7TU Function Use the C7TUPRT command to output all CCS7 messages saved in a specified file The messages are sent to the file using the C7TU directory C7TUREC command The C7TUPRT command examines the device and file names and verfies that the files are in the correct format This check consists of reading on the first line of the file and confirming that this line matches thr string that always is written when the C7TUREC command opens the file If the file is in the correct format the C7TUPRT command reads in each message in the file and formats the messages using the same routines formerly used by the log system to print C7TU logs Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables C7TUPRTcommand parameters and variables Command Parameters and variables C7TUPRT fileSCREEN Item Description file This variable specifies a valid file name SCREEN Omitting this entry forces the system to default to display the messages on the screen unless the SYS directory commands SEND or RECORD are used to redirect the formatted output to another device 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 5 C7TUPRT continued Usage examples The following table provides an example of the command Command example Examp
82. 228 CCS229 CCS230 CCS231 CCS232 CCS233 CCS234 CCS235 Definition The status of a local subsystem changes to system busy The status of a local subsystem changes to in service An SCMG at a remote point code is performing a subsystem status test SST ona local subsystem An SCMG has received an SSP for a remote subsystem that is not datafilled in the local node s network routing tables The SCMG management has received an SSA for a remote subsystem that is not datafilled in the local node s network routing tables The SCMG has received an SST for the status of a local subsystem however the calling party address is not sufficient to return a response A remote point code has been removed from table C7NETSSN and is now unequipped A message with an invalid global title GT in the called party address CDPA has been received from the network Routing is attempted even with the protocol error A message with an invalid GT in the calling party address CGPA has been received from the network Routing is attempted even with the protocol error A message is received from the network requiring a global title translation GTT The network address produced is invalid for an SCCP at an SSP and the message is returned There is a status change for a remote point code that has been returned to service and is now in service trouble This situation occurs when the routeset to this point code becomes congested or res
83. 256 intercepts all clusters 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 33 INTERCEPT continued Parameters and variables Sheet 6 of 10 INTERCEPT command parameters and variables Command dpc_mainarea dpc_mem dpc_netwk dpc_sigpoint dpc_subarea GERMAN hex_bytes INTL INTL2 JPN LABEL LINK Iset_name msg_code Parameters and variables This variable specifies the DPC main area number of the TTC JPN or NTC message The valid entry ranges are 0 to 32 for TTC The entry of 32 intercepts all main area numbers 0 to 32 for JPN The entry of 32 intercepts all main area numbers 0 to 256 for NTC The entry of 256 intercepts all main area numbers This variable specifies the DPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 intercepts all members This variable specifies the DPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 intercepts all networks This variable specifies the DPC signal point of the NTC message The valid entry range for is 0 to 256 The entry of 256 intercepts all signal points This variable specifies the DPC subarea number of the TTC JPN or NTC message The valid entry ranges are 0 to 16 for TTC The entry of 16 intercepts all subareas 0 to 16 for JPN The entry of 16 intercepts all subareas 0 to 256 for NTC The entry of 256 intercep
84. 297 8991 545 DMS 100 Family Common Channel Signaling 7 Maintenance Guide Volume 1 of 2 2000Q2 Standard 06 01 July 2000 NORTEL NETWORKS How the world shares ideas DMS 100 Family Common Channel Signaling 7 Maintenance Guide Volume 1 of 2 Publication number 297 8991 545 Product release 2000Q2 Document release Standard 06 01 Date July 2000 Copyright 1998 2000 Nortel Networks All Rights Reserved Printed in the United States of America NORTEL NETWORKS CONFIDENTIAL The information contained herein is the property of Nortel Networks and is strictly confidential Except as expressly authorized in writing by Nortel Networks the holder shall keep all information contained herein confidential shall disclose the information only to its employees with a need to know and shall protect the information in whole or in part from disclosure and dissemination to third parties with the same degree of care it uses to protect its own confidential information but with no less than reasonable care Except as expressly authorized in writing by Nortel Networks the holder is granted no rights to use the information contained herein Information is subject to change without notice Nortel Networks reserves the right to make changes in design or components as progress in engineering and manufacturing may warrant DMS MAP NORTEL NORTEL NETWORKS the NORTEL NETWORKS LOGO NORTHERN TELECOM NT and SUPERNODE are trademarks N
85. 6 01 July 2000 Maintenance summary 1 17 One link can handle all signaling traffic for a routeset Links can operate in a load sharing configuration A combined linkset consists of two linksets which provide equal but alternate routing between the same nodes Figure 1 9 shows an example of a routeset and its associated linkset Figure 1 8 Example of a routeset and associated linkset ISUP trunks Linkset AB1 Associated mode Linkset AD1 Linkset AC1 Quasi associated Quasi associated mode through STP mode through STP Note 1 Routeset AB Route 0 linkset AB1 Route 1 linkset AC1 Route 2 linkset AD1 2 Associated direct mode has the highest priority 3 Combined linkset linkset AC1 and linkset AD1 Mapping CCS7 hardware to protocol Figure 1 9 shows the functions of DMS components DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 18 Maintenance summary Figure 1 9 Functions of DMS components Cross connect MERS device e Message discrimination by point code SCCP e Message distribution to MTP routing to SCCP routing to ISUP distributor or to MTP network management network management shared All real time intensive call setup features Digital trunk controller Network Network module 0 Network module 1 ISUP ISUP distribution to DTC SCCP e SCC
86. 8 monitors all zones This variable specifies the DPC knotenvermittlungsstelle trunk tandem switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the DPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 monitors all members This variable specifies the DPC network number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 monitors all networks DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 14 C7TULINK directory commands BUILD continued Parameters and variables Sheet 4 of 7 BUILD command parameters and variables d_numarea d_pc d_region dpc_areaunit dpc_cluster dpc_mainarea dpc_mem dpc_netwk dpc_sigpoint dpc_subarea GERMAN hex_bytes This variable specifies the DPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the DPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 The entry of 16384 specifies all DPCs This variable specifies the DPC region of the CCITT message in format AUSTRIA or INTL The valid entry range for AUSTRIA format is 0 to 16 The entry of 16 monitors all regions The valid entry range for INTL2 format is 0 to 8 The entry of 8 monitors all regions This variable specifies the DPC area unit number of the T
87. ABLE TO RESOLVE POINT CODES Meaning You attempted to send a message using a default linkset The error occurred either because this linkset is not part of a routeset or because the routeset is not a valid network The SEND command exits Action Verify that the specified linkset is part of a routeset and that the routeset is part of a valid network Retry the SEND command WARNING LINK MUST BE IN SYNC STATE FOR MESSAGE INJECTION WARNING MESSAGE WILL BE SENT ANYWAY Meaning The peripheral that is attached to the specified link in the linkset is in service but the link state is not set to synchronized The message is sent to the peripheral Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 70 C7TULINK directory commands STATUS Command STATUS Directory C7TULINK Function Use the STATUS command to display the current status of the C7TULINK environment The display includes links and a shortened dump of the entries in the match table Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables STATUS command parameters and variables Command Parameters and variables STATUS BRIEF VERBOSE Item Description BRIEF This parameter displays only the links that are selected VERBOSE This parameter displays all links marking the ones that are selected
88. Action Use the SELECT command to enable the C7TU in the peripheral modules that are to be used C7TU is not enabled on lt pm_num gt where this link resides MSG Meaning The MONITOR command executed and the request was added to the match table Action Use the SELECT command to enable the C7TU in the peripheral module that is to be used type has been overwritten Meaning The command executed The message body that comes after the routing label has been overwritten with the entries or default for the data parameter The default entry zero fills all data bytes after the routing label up to the truncating limit of 16 bytes for a match entry Action None 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 59 QUIT Command QUIT Directory C7TULINK Function Use the QUIT command to exit the C7TULINK environment and return to the C7TU level Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables QUIT command parameters and variables Command Parameters and variables QUIT CLEAR NOCLEAR Item Description CLEAR This parameter clears the C7TULINK environment before quitting and the system returns you to the Cl level NOCLEAR This parameter leaves the C7TULINK environment intact and the system returns you to the Cl level DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 60 C7TULINK directo
89. C signal point of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all signal points This variable specifies the DPC zone of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all zones This variable specifies the DPC signal point of the CCITT message in format CHINA The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the DPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 monitors all zones This variable specifies the DPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 monitors all exchanges This variable specifies the DPC signal point of the CCITT message in format GERMAN The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the DPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 This variable specifies the DPC hauptvermittlungsstelle tandem level switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 8 This variable specifies the DPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all signal points This variable specifies the DPC zone of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of
90. ET menu level DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 18 Trouble isolation and correction methods Table 4 4 C7BERT commands Sheet 2 of 2 Command Description REPORT Requests periodic queries on a test SETSTOP Presets a time for a C7BERT to stop START Starts a C7BERT STOP Stops a C7BERT Manual loopback tests Use manual loopback tests with the C7LKSET level of the MAP to locate a facility fault For more detail refer to the Troubleshooting a facility fault procedure in the Advanced troubleshooting procedures chapter ISUP continuity testing Since the signaling component and the voice or data component follow separate paths in a CCS7 network voice and data connections are not automatically guaranteed by successful transmission of the signaling component To monitor the quality of ISUP trunk connections do the following e specify per call continuity tests for trunks through datafilling e perform on demand continuity tests from the MAP CAUTION Real time effect on call setup time Continuity testing has a real time affect on call processing Use continuity testing as a sampling tool on an appropriate percentage of calls rather than on all calls How continuity testing works The following events occur during an ISUP continuity test COT 1 The originating office sends the appropriate tone on the transmit channel of the trunk 2 Atthe terminating office the tone
91. FP 3 Busy CTRL 0 Command request has been submitted FP 3 Busy CTRL 0 Command passed 297 8991 545 Standard 06 01 July 2000 1 1 1 Maintenance summary This chapter contains a description of Common Channel Signaling 7 CCS7 networks The chapter provides a description of the DMS Signaling Point SP Service Switching Point SP SSP Signaling Transfer Point STP and integrated node INode The chapter describes the purpose of these points in a CCS7 network Maintenance philosophy describes the types of maintenance activities this guide covers CCS7 functional description contains an summary of CCS7 signaling protocol messaging and hardware architecture DMS architecture describes DMS STP SP SPP and Node functions and equipment DMS tasks describes DMS STP SP SPP and INode features DMS documentation contains lists of CCS7 documentation Maintenance philosophy This section describes two types of maintenance activities reactive and preventive Reactive maintenance activities Reactive maintenance activities are the responses to problems like requests for help from personnel that perform maintenance procedures at the switch Procedures in other maintenance documents instruct personnel to contact your next level of support DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 2 Maintenance summary Use the following chapters for reactive maintenance activities e Troubleshooting chart
92. I oc oc NET XXX 10 00 00 11 oc Oc gt MONITOR LINK TR000004 0 BOTH ANSI ALL SCCP DATA gt MONITOR LINK MGO000001 0 BOTH ANSI ALL SCCP DATA H1 SI SCCP XXX SCCP XXX OPC MEM CLU XXX XXX 12 13 14 00 00 00 00 00 00 OPC MEM CLU XXX XXX 12 13 14 00 00 00 00 00 00 SLS TYPE NET XXX XX XXX 15 00 00 SLS TYPE NET XXX XX XXX 15 00 00 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 9 Figure 4 6 Example of monitoring CCS7 messages with an E800VER command continued from Figure 4 5 and to Figure 4 7 The command E800VER is used in a DMS SSP to generate some CCS7 SCCP messages gt E800VER 9192781052 110 8003621234 MAP display H HE RESPONSE FROM THE DATABASE TOOK MINUTES 0 SECONDS 200 MILLISECONDS j H HE FOLLOWING NUMBER IS THE CARRIER NUMBER HE NUMBER IS 110 H HE FOLLOWING NUMBER IS T HE NUMBER IS 9193620156 m E ROUTING NUMBER H BILLING INDICATOR CALL TYPE IS 141C BILLING INDICATOR SFI IS 023C THE FOLLOWING NUMBER IS T THE NUMBER IS 704554321 m E BILLING NUMBER DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 10 Trouble isolation and correction methods Figure 4 7 Example of monitoring CCS7 messages with an E800VER command continued from Figure 4 6 Logs generated at DMS STP RTC_STP C7TU101 JAN16 21 28 27 3305 INFO INCOMING LINK MSG C7 HEADER
93. M message data differences can occur The DDM checks the sequence of the numbers every 2 min and the table consistency every hour If the DDM detects a data differences the DDM updates the table in the LIU or DTC This action makes the table same as the table in the CM Table 1 7 lists the tables that are subject to static data audits Table 1 7 Table subject to static data audits Table DTC LIU C7NETWRK Yes Yes C7LKSET Yes Yes C7LINK Yes Yes C7RTESET Yes Yes C7TIMER No Yes C7TRKMEM No Yes C7ALIAS No Yes 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 23 Channelized link access Channelized link access removes the need for external channel banks for DS 0 connections between signaling data links and LIU7s Instead of requiring a dedicated link to each LIU7 a channel bus C bus performs access Duplicated network interface units NIU transfer data between the network and the C bus MLIU channelized link access functions in the same way With channelized access data transfer between signaling data links and LIU7s or MLIUs integrates into automated system maintenance Refer to the section Automated system maintenance in this chapter for more information The following sections describe how channelized access works For hardware information refer to the Provision Guide PLN 8991 104 e Data transfer from LIU7s or MLIUs to the network e Bus configuration e LIU7 support of channelized access e C bus
94. Meaning You specified a link number that is not datafilled for the specified linkset in table C7LINK The INTERCEPT command exits Action Verify the link number and retry the INTERCEPT command with the correct number ERROR INVALID LINKSET NAME Meaning You specified a linkset name that does not appear in table C7_LKSET Action Verify the linkset name and retry the INTERCEPT command with the correct linkset ERROR INVALID MSGCODE ZPF Meaning You entered a message code that is not recognized by C7TU The INTERCEPT command exits Action Verify the message code and retry the command ERROR MATCH TABLE FULL Meaning The match table already has eight entries No further requests can be made The INTERCEPT command exits Action Remove an existing entry from the match table and retry the command ERROR MATCHING ECM MESSAGES IS NOT PERMITTED Meaning You entered a message code that was recognized by C7TU but a match is not allowed for the specified code The INTERCEPT command exits Action Verify the message code and retry the INTERCEPT command with a correct message code ONLY FOUR INTERCEPTS ALLOWED IN FIELD ENVIRONMENT Meaning Four entries already exist in the match table The field environment allows only four entries in the match table The INTERCEPT command exits Action Remove an existing intercept or intercept request and r
95. NAU C7LINH C7AUTOCO C7EXDDLAY CC7SUERR C7NETCON C7MANBY C7RINH C7ERRSEC C7LKSYNU C7MSUDC1 C7MSUDC2 C7MSUDC3 C7MSUDS C7MSURX C7MSURX2 Associated logs CCS101 CCS102 CCS101 CCS108 CCS101 CCS107 PM102 PM105 CCS101 CCS101 CCS164 CCS104 CCS101 CCS163 CCS164 CCS159 CCS101 CCS157 CCS160 CCS101 CCS102 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 3 6 CCS7 network operational measurements Table 3 2 CCS7 network priority OM registers Sheet 3 of 5 Performance factor Link congestion Link usage Global title translation LIU faults Linkset availability Linkset failures MDR7 message loss Cross STP delay OM group C7LINK2 C7LINK2 C7LINK2 C7SCCP C7LINK3 C7LKSET C7LKSET C7MDR C7MTP Register C7MSUDSC C7MSUDC1 C7MSUDC2 C7MSUDC3 C7MSURX C7MSURX2 C7MSUTX C7MSUTX2 C7BYTTX C7BYTTX2 C7BYTRX C7BYTRX2 C7MSURX C7MSURX2 C7MSGTT C7MSGTT2 C7LPOU C7RPOU C7LSUNAU C7LSFAIL M7SSUNA1 M7SSUNA2 M7MSURC1 M7MSURC2 C7XSDYWT C7XSDYNT Associated logs 297 8991 545 Standard 06 01 July 2000 CCS7 network operational measurements 3 7 Table 3 2 CCS7 network priority OM registers Sheet 4 of 5 Performance factor OM group Register Associated logs MTP message C7MTP C7MSIDPC screening C7LINK2 C7MSISIO g C7MSURX C7MSURX2 Route availability C7ROUTE C7RTUNAU C7TFA CCS180 C7TFR CCS181 C7TFP C7TFCO C7TFC1
96. NETWRK CONVERT es 6 eles Convert the network to a new specified PC format LEAVE QUIT 1 EXIT MTPCVRT CI TOOL ENTER Q lt COMMAND NAME gt FOR MORE INFORMATION Explanation The MAP display lists all commands available at the MTPCVRT directory DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 14 8 MTPCVRT directory commands HELP end Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output Meaning and action MTP PC FORMAT CONVERSION COMMANDS DISPLAY Display all the networks defined in table C7NETWRK CONVERT re tete a Convert the network to a new specified PC format LEAVE QUIT EXIT MTPCVRT CI TOOL ENTER Q lt COMMAND NAME lt FOR MORE INFORMATION Meaning The MAP display lists all commands available at the MTPCVRT directory Action None 297 8991 545 Standard 06 01 July 2000 MTPCVRT directory commands 14 9 QUIT Command QUIT Directory MTPCVRT Function Use the QUIT command to exit out of the MTPCVRT directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response Crs Explanation You have exited out of the MTPCVRT directory Responses None DMS 100 Family CCS7
97. NTCHK of table TRKSGRP Entry Description LOOPAROUND Sets up a loopback The terminating office automatically transmits a tone back to the originating office THRH Transmits a high tone and expects to receive a high tone THRL Transmits a low tone and expects to receive a low tone TLRH Transmits a low tone and expects to receive a high tone 2W2W Transmits THRL when originating and TLRH when two wire two way terminating For use in cut over situations in which a DMS must emulate test behavior of a non DMS two wire switch operating on two way trunks Note For most continuity tests the tone combinations assigned to each switch remain the same regardless of call direction However for the two wire two way continuity tests the tone combinations are related to call direction Because the originating switch must be assigned the THRL tone combination the tone combination is redefined automatically for each call Figure 4 20 shows continuity test tones for different trunk terminations DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 26 Trouble isolation and correction methods Figure 4 20 Continuity test tones for different trunk terminations Tones THRH TLRH THRL THRL Originating office Terminating office 4 wire 4 wire DMS DMS 4 wire 2 wire DMS non DMS 2 wire 4 wire non DMS DMS 2 wire 2 wire emulation DMS non DMS
98. P functionality to ON but the functionality is not activated until the SOC option TELO00009 is set to ON Action Activate SOC option TEL00009 by setting the SOC state to ON Refer to the Software Optionality Control User Manual 297 8991 901 Warning XUDT messages will be originated by this node following this SOC transition Message loss will occur if the network does not support XUDT XUDTS messages Meaning Operating company personnel can set the state of the SAR or CRP functionality to ON but the functionality is not activated until the SOC option TELO0009 is set to ON When SOC option TEL00009 is activated the subsystems can originate extended unit data KUDT messages If the nodes in which the subsystems reside do not support XUDT messages the messages are discarded Action Operating company personnel disable SAR or CRP for the subsystems to prevent message loss DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 10 8 C7SARCRP directory commands STATUS Command STATUS Directory C7SARCRP Function The STATUS command displays the status of the segmentation and reassembly SAR or circular routing prevention CRP functionalities for one or all local subsystems Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables STATUS command parameters and variables Command Parameters and variables STATUS subsyst
99. P router e SCCP message handler DMS bus DMS core MTP e Link maintenance shared with IPF e Network management for traffic links and routes shared with IPF e Linkset control ISUP Translations Network connection setup SCCP e Linkset control e SCCP management control e Database of point orders and subsystem numbers Legend IPF Integrated processor and F bus interface PB Paddle board ST Signaling terminal DMS architecture A DMS STP is a packet switching system that transports messages between CCS7 nodes DMS STPs are nodes that transfer messages between incoming 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 19 and outgoing SLs The DMS STPs do not originate or terminate messages except NWM information messages DMS STPs are deployed in pairs If one DMS STP fails the mate takes over to make sure there is no interruption in service The DMS STP combines the DMS 100 Family and DMS SuperNode equipment Figure 1 10 shows the DMS STP equipment configuration Figure 1 10 DMS STP equipment configuration Magnetic Network 00 Alarm tape drive cross connect shelf FSP FSP Filler panel Maint trunk module MS 0 LMSO LMS1 Input Networ
100. Q1 Match Mask NI NATL 2 3 00 00 00 00 DPC CLU 000 OPC CLU 005 14 01 FF gt MONITOR LINK LINKSET1 1 IN ANSI LABEL NATL 0 256 256 256 4567 SLTM PARMS 01 10 1 5 00 00 SLS TYPE NET 004 07 SLIM Figure 4 5 4 6 and 4 7 show the commands required to monitor all messages when an E800VER command is issued to query an 800 Service database without making a call DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 8 Trouble isolation and correction methods Figure 4 5 Example of monitoring CCS7 messages with an E800VER command continued on Figures 4 6 and 4 7 gt LOGUTIL START gt C7TU gt C7TULINK gt SELECT LIU7 2 ON gt SELECT LIU7 16 ON gt STATUS MAP display KKK KKK EK LIU7 FTA Tracing 2 4244 1000 ENABLE 16 4247 1000 ENABLE Item Disp NI 0 MON ALL 1 MON ALL ANSI ANSI gt DUMP 0 1 MAP display NUMBER OF VALID C7TU MON SIO NUM DIR NET NI PR 0 BOTH ANSI ALL XX Oo 1 2 a AA Match 00 04 00 00 03 Mask 00 FF 00 00 OF C7TU MON SIO NUM DIR NET NI PR 0 BOTH ANSI ALL XX amp LT 2 3 4 Match 00 04 00 00 03 Mask 00 FF 00 00 OF C7TULINK Environment Nettype Dir BOTH BOTH MATCH ENTRIES ERRARE Link LINK LINK A dump of the match table is requested 2 MEM XXX 7 8 00 00 00 00 MEM XXX 7 8 00 00 00 00 Dist Msg 5 EXT 2 EXT DPC CLU XXX 00 00 DPC CLU XXX 00 00 XXX XXX NET XXX 10 00 00 T
101. Step 3 is not isolated Step 4 3 Immediately contact the network management administrator to have the appropriate network controls invoked Follow local operating procedures for severe failures 4 To determine if the problem is at the STP switch connected to the DMS SP SSP STP SCP and not a facility problem place a loopback as close to the STP switch as possible Determine the state of the link at the C7LKSET level of the MAP display If the synchronization Do changes from SysB to RPO Step 5 remains SysB Step 9 5 The problem is not at the DMS STP To determine if the problem is at the office at the other end of the link DMS SP SSP DMS SCP place a loopback as close to that office as possible 6 Manually busy the link to disable the signaling network link test SNLT message from being sent to the far end 7 Determine the state of the link at the MAP display If the synchronization state Do changes from SysB to RPO Step 8 remians SysB Step 10 8 The problem is not at the office at the other end of the link DMS SP SSP DMS SCFR it is somewhere on the facility itself Perform the procedure Troubleshooting a facility fault in this document When you have completed the procedure return to this point Go to Step 10 9 The problem is in the DMS STP switch Change the CCS7 link interface unit LIU7 multiple link interface unit MLIU high speed link interface unit HLIU or high speed link router HSLR circuit cards in
102. TC The entry of 256 monitors all main area numbers opc_mem This variable specifies the OPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all members opc_netwk This variable specifies the OPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all networks opc_sigpoint This variable specifies the OPC signal point of the NTC message The valid entry opc_subarea range is 0 to 256 The entry of 256 monitors all signal points This variable specifies the OPC subarea number of the TTC JPN or NTC message The valid entry ranges are e Oto 16 for TTC The entry of 16 monitors all subareas e Oto 16 for JPN The entry of 16 monitors all subareas e Oto 256 for NTC The entry of 256 monitors all subareas PARMS This parameter means that for some message codes the system will generate a list of parameters available to the user priority This variable specifies the CCS7 priority of the message to be monitored The valid entry range is 0 to 4 The entry of 4 specifies all priorities 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 55 MONITOR continued Parameters and variables Sheet 8 of 8 MONITOR command parameters and variables Command Parameters and variables slink_code This variable specifies the signaling link number of the linkset to be monitored The valid entry range is 0 to 15
103. TC or JPN message The valid entry range is 0 to 128 The entry of 128 monitors all area units This variable specifies the DPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all clusters This variable specifies the DPC main area number of the TTC JPN or NTC message The valid entry ranges are e Oto 32 for TTC The entry of 32 monitors all main area numbers e Oto 32 for JPN The entry of 32 monitors all main area numbers e Oto 256 for NTC The entry of 256 monitors all main area numbers This variable specifies the DPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all members This variable specifies the DPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all networks This variable specifies the DPC signal point of the NTC message The valid entry range is 0 to 256 The entry of 256 monitors all signal points This variable specifies the DPC subarea number of the TTC JPN or NTC message The valid entry ranges are e Oto 16 for TTC The entry of 16 monitors all subareas e Oto 16 for JPN The entry of 16 monitors all subareas e Oto 256 for NTC The entry of 256 monitors all subareas This parameter identifies the format of the CCITT test message This variable string specifies the new hex bytes in the message body The new bytes override the existing byt
104. The valid entry range is 0 to 8 The entry of 8 monitors all zones This variable specifies an OPC knotenvermittlungsstelle trunk tandem switching exchange for the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the OPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 monitors all members This variable specifies the OPC network number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 monitors all networks This variable specifies the OPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the OPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 This variable specifies the OPC region of the CCITT message in format AUSTRIA or INTL2 The valid entry range for AUSTRIA is 0 to 16 The entry of 16 monitors all regions The valid entry range for INTL2 is 0 to 8 The entry of 8 monitors all regions This variable specifies the OPC area unit number of the TTC or JPN message The valid entry range is 0 to 128 The entry of 128 monitors all area units This variable specifies the OPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all clusters 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 17 BUILD continued Parameters a
105. U including password protected commands available through the integrated link protocol test LPT tool e CCS7 bit error rate test C7BERT e manual loopback tests CCS7 test utility The C7TU allows you to monitor CCS7 messages on CCS7 links using the C7TULINK commands In addition if you have access to the password protected C7TULINK_ILPT7 you can build messages and send them over CCS7 links to test the effect on a piece of equipment or on software and you can intercept CCS7 messages before they are sent into the network CAUTION Possible service disruptions Use the C7TU with caution as it can affect the service performance of the switch DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 2 Trouble isolation and correction methods Limitations Because C7TU can affect service the following limitations have been built into the utility e A maximum of two users can be logged in to C7TU at one time e A maximun of eight links can be selected at one time for offices operating on software releases TL11 BASE12 and up e For STP customers a maximum of four links can be selected at one time e A maximum of eight selection criteria entries for monitoring and intercepting messages can be specified at one time e Only the first 16 bytes of each CCS7 message are compared to selection criteria e A maximum of eight messages can be built at one time Note These limitations apply to C7TU as a whole not
106. U7 routers Accessing the C7RTR directory To access the C7RTR directory level enter the following command from the CI level gt C7RTR and press the Enter key C7RTR directory commands The following commands are available at the C7RTR directory level The commands are arranged in alphabetical order ACTIVATE DEACTIVATE DOWNLOAD_MTP HELP QUERY_EXT_ROUTING QUERY_EXP_RTESETS QUERY_MAX_ROUTESETS QUIT REMOVE_MTP DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 2 C7RTR directory commands ACTIVATE Command ACTIVATE Directory C7RTR Function Use the ACTIVATE command to activate Common Channel Signaling 7 CCS7 link interface unit LIU7 external routing The command sends a message to the digital trunk controllers DTC to use the LIU7s to route integrated services digital network ISDN user part ISUP messages Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the ACTIVATE command gt ACTIVATE MAP response External Routing has been activated Explanation External routing has been activated LIU7s are now routing ISUP messages 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 3 ACTIVATE continued Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the ACTIVATE command MAP
107. ULL LINKSET linkset_name max_levels max_no REF reference_name table_name USERS Parameters and Variables LINKSET linkset_name max_levels FULL REF table_name reference_nam max_no USERS table_name reference_nam Description This parameter specifies a full display of information for all tables Use this parameter to display all screening references in all tables associated with a specified linkset This variable specifies the name of the linkset to be queried This optional variable specifies the maximum number of responses to be displayed This variable specifies the maximum number of entries to be displayed The range is 1 to 10 Use this parameter to list a reference within a specified table and all associated references in other tables This variable specifies the screening reference value from field REFERNCE in the specified table This variable specifies the table in which you want to search Use this parameter to display all users of the specified entity set and reference name DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 15 4 PROG directory commands GWXREF continued Usage examples The following table provides an example of the command Command example Example of the GWXREF command gt GWXREF REF C7CGPA REFO 10 where C7CGPA is the table name REFO is the reference name 10 is the maximum number of entries to be displayed MAP resp
108. WORKS How the world shares ideas
109. _ROUTING DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 2 C7RTRQRY directory commands HELP Command HELP Directory C7RTRORY Function Use the HELP command to display a list of available commands in the C7RTRQRY directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response C7RTRORY External Routing Query Utitlity QUERY_EXT_ROUTING Query the state of External Routing TRNSL_TRK_ROUTING Translate trunk CIC to routing path QUIT Exit C7RTRORY HELP Display this information Explanation C7RTRQRY commands display 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 3 HELP end Responses Commmand responses The following table describes the MAP responses Responses for the HELP command MAP output C7RTRO RY Q T QUIT H ELP UERY EXT_ROUTING RNSL_TRK_ROUTING Meaning and action External Routi ng Query Utility Query the stat Translate trun Exit C7RTRORY Display this i of External Routing k CIC to routing path nformation Meaning The C7RTRQRY commands display Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 4 C7RTRQRY directory commands QUERY_EXT_ ROUTING Comma
110. acknowledgement message in error Set threshold to determine origin CCS238 no alarm An invalid CSCC message has been received from the network Determine originating node and check SCCP subsystem datafill CCS240 no alarm Check for correct datafill in tables CZLOCSSN and C7NETSSN CCS241 no alarm A message cannot be routed in an LIU Set threshold to isolate faulty items Where to find log information The following documents provide additional information about logs e Alarm and Performance Monitoring Procedures Log Report Reference Manual e Trouble Locating and Clearing Procedures e DMS 100 Family Maintenace and Operations Manual 297 899 1 500 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 3 1 3 CCS7 network operational measurements Operational measurements OM provide information that is based on events in the DMS switch Real time maintenance activities longer term maintenance analysis and administration tasks use OM information Note When OMs are polled the contents of active registers do not necessarily contain current information since the frequency of updated data received at the computing module CM varies depending on the peripheral module type and its status CCS7 network OM groups Table 3 1 lists the OM groups associated with a CCS7 network The following documents provide additional information about CCS7 OMs e DMS 100 Family Maintenace and Operations Manual 297 899 1 500 e
111. activate external routing or wait for a DDM audit to correct the data Examine the DDM logs for any problems Successful deactivation 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 7 DEACTIVATE end Command responses Sheet 2 of 2 Responses for the DEACTIVATE command MAP output Meaning and action Meaning External routing is deactivated CCS7 DTCs route ISUP messages Action None Can not deactivate LIU7 external routing because ther are greater than 108 links in C7LINK and DTC datafilled in table LTCINV Meaning You cannot deactivate LIU7 external routing when there are more than 108 links entered in table C7LINK and DTCs exist in table LTCINV Action Reduce the number of links to 108 or less or remove DTCs from table LTCINV Enter command DEACTIVATE again DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 8 C7RTR directory commands DOWNLOAD_MTP Command DOWNLOAD_MTP Directory C7RTR Function Use the DOWNLOAD_MTP command to download message transfer part MTP routing tables to the digital trunk controllers DTC Usage notes After command DOWNLOAD_MTP is used MTP routing tables are not updated until a DDM audit is run Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the DOWNLOAD_MTP command gt DOWNLOAD_MTP MAP response MTP
112. all regions The valid entry range for INTL2 is 0 to 8 The entry of 8 intercepts all regions This variable specifies the OPC area unit number of the TTC or JPN message The valid entry range is 0 to 128 The entry of 128 intercepts all area units This variable specifies the OPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 intercepts all clusters DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 36 C7TULINK directory commands INTERCEPT continued Parameters and variables Sheet 9 of 10 INTERCEPT command parameters and variables Command opc_mainarea opc_mem opc_netwk opc_sigpoint opc_subarea PARMS priority slink_code Parameters and variables This variable specifies the OPC main area number of the TTC JPN or NTC message The valid entry ranges are 0 to 32 for TTC The entry of 32 intercepts all main area numbers 0 to 32 for JPN The entry of 32 intercepts all main area numbers 0 to 256 for NTC The entry of 256 intercepts all main area numbers This variable specifies the OPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 intercepts all members This variable specifies the OPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 intercepts all networks This variable specifies the OPC signal point of the NTC message The valid
113. alue is received ROUTING This parameter changes the routing label of the message sls This variable specifies the SLS of the ANSI CCITT JPN or TTC test message The valid entry range for ANSI and JPN messages is 0 to 31 The valid entry range for TTC and CCITT messages is 0 to 15 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 8 C7TULINK directory commands ALTER continued Usage examples The following table provides an example of the command Command example Example of the ALTER command gt ALTER 0 LENGTH 200 where 0 is the message number 200 new length of the message identified by message numberr MAP response C7TU MESSAGE SIO DPC OPC SLS num type length ni pr si mem clu net mem clu net O SLTM 9 2 3 2 001 001 001 002 002 002 0 Message bytes 0123 45 67 8 9 1011 12 13 14 15 16 17 18 19 00 00 09 00 00 02 01 B2 01 01 01 02 02 02 00 11 01 01 C7TU MESSAGE SIO DPC OPC SLS num type length ni pr si mem clu net mem clu net O SLTM 200 2 3 2 001 001 001 002 002 002 0 Message bytes 0123 45 67 8 9 1011 12 13 14 15 16 17 18 19 00 00 C8 00 00 02 01 B2 01 01 01 02 02 02 00 11 01 01 Explanation The system displays the original message number 0 and the subsequent display of the altered message number 0 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 9 ALTER end Responses The following table describes the MAP re
114. ameters and variables Command Parameters and variables BUILD msg_no CCITT DEFAULT 1 LABEL ntwk_indicator priority BASIC 2 INTL AUSTRIA CHINA GERMAN INTL2 ANSI DEFAULT 3 LABEL ntwk_indicator priority dpc_mem 4 TTG DEFAULT 5 ABEL ntwk_indicator priority dpc_mainarea 6 JPN DEFAULT 7 ABEL ntwk_indicator priority dpc_mainarea 8 NTC DEFAULT 9 LABEL ntwk_indicator priority dpc_sigpoint 10 cont inued BUILD 1 1 2 dpe O_pc 2 d_intlzone d_areantw d_intlsgpt d_auctioned d_region d_austsgpt d_chnzone d_exchange d_chnsgpt d_numarea d_hvst d_kvst d_gersgpt 3 d network d_region d_group d_member 3 4 dpc_cluster dpc_netwk opc_mem opc_cluster opc_netwk 4 5 5 6 dpc_subarea dpc_areaunit opc_mainarea opc_subarea 6 7 7 8 dpc_subarea dpc_areaunit opc_mainarea opc_subarea 8 9 9 10 dpc_mainarea dpc_subarea opc_sigpoint opc_mainarea 10 continued DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 12 C7TULINK directory commands BUILD continued Parameters and variables Sheet 2 of 7 BUILD command parameters and variables BUILD BUILD ltem ANSI AUSTRIA BASIC CCITT CHINA DATA DEFAULT 1 2 BASIC sls 2 INTL o_intlzone o_areantw o_intlsgpt AUSTRIA o_austzone o_region o_austsgpt CHINA o_chnzone o_exchange o_chnsgpt GERMAN o_numarea o_hvst o_kvst o_gersgpt INTL2 o_network
115. anced troubleshooting procedures 6 25 Troubleshooting an F bus and F bus taps continued Common procedures None Action Troubleshooting an F bus and F bus taps At your current location 1 Review maintenance actions taken to date Repeat if necessary If the F bus or F taps problem Do still exists Step 2 no longer exists Step 10 2 Determine which F bus taps are not functioning If the problem is with Do some F bus taps on one shelf Step 3 all the F bus taps on one shelf Step 4 some or all the F bus taps onone Step 6 shelf 3 Replace the F bus interface cards NTEX22 for each CCS7 link interface unit LIU7 multiple link interface unit MLIU high speed link interface unit HLIU or high speed link router HSLR If the F bus problem Do still exists Step 4 no longer exists step 10 4 Replace the F bus terminator cards NTEX20 for the shelf There are two NTEX20 spares the NTEX20AA for F bus 0 and the NTEX20BA for F bus 1 If the F bus problem Do still exists Step 5 no longer exists Step 10 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 26 Advanced troubleshooting procedures Troubleshooting an F bus and F bus taps end 5 10 Replace the F bus terminator cards NTEX20 on other shelves including both LMS and LIU shelves If the F bus problem Do still exists Step 8 no longer exists Step 10 Replace the F bus terminator cards NTEX20 on all shelves If th
116. and H is OK 4 Since the common signaling paths are the B links connecting the local DMS STP pairs remove B links from service one at a time and observe the effect Common procedures None Action Follow the steps to perform the procedure Troubleshooting a message sink At your current location 1 Manually busy one of the CCS7 link interface units LIU7 multiple link interface units MLIU or the pairs of high speed link interface unit HLIU and high speed link router HSLR Observe the effect on the messaging disruption If the offending path has been removed from service the number of out of service trunks indicated by alarms immediately begins to decrease If Do the problem is resolved Step 4 the problem is not resolved and Step 2 not all links have been tested the problem is not resolved and Step 3 all links have been tested 2 Bring the LIU7 MLIU or HLIU and HSLR back to service Go back toStep 1 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 20 Advanced troubleshooting procedures Troubleshooting a message sink end 3 The problem cannot be resolved at your office Contact the DMS STP your node is connected to Go to Step 5 4 Bring the LIU7 MLIU or HLIU and HSLR back to service 5 You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Application Definition Advanced troubleshooting procedures 6 21 Troublehshooting an ASU Use this procedure to trouble
117. and could not complete Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Command failed in CM Unknown error Meaning External routing is active Command could not complete Action None External routing Active Current routing path SLS lt gt Command failed in DTC lt gt Unknown error Meaning External routing is active Command could not complete Action None External routing Active Current routing path SLS lt gt Routing translation failed in DTC lt gt Meaning External routing is active Command could not complete Action None External routing Active Current routing path SLS lt gt DTC lt gt Buffering Msgs for Router lt gt State LIU7 lt gt lt PM state gt 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 17 TRNSL_TRK_ROUTING continued Command responses Sheet 7 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning External routing is active DTC lt gt is buffering messages for router lt gt Action None External routing Active Current routing path SLS lt gt DTC lt gt Discarding Msgs No available routers Meaning External routing is active DTC lt gt is discarding messages because there are no available rout
118. ansition 8 bit SLS is Meaning 8 bit SLS is in the process of being activated Action None in deactivation transition Meaning 8 bit SLS is in the process of being deactivated Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 8 SLS8BIT directory commands ENABLE Command ENABLE Directory SLS8BIT Function Use the command ENABLE to activate 8 bit SLS load balancing Usage notes Set the state of SOC option TEL00009 to ON before entering this command Refer to the Software Optionality Control User Manual 297 8991 901 for more information on how to change the state of an option Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the ENABLE command gt ENABLE MAP response 8 bit SLS activation transition completed Explanation The command was successful 8 bit SLS is now active Responses The following table describes the MAP responses Command responses Sheet 1 of 4 Responses for the ENABLE command MAP output Meaning and action 8 bit SLS activation transition completed Meaning The command was successful 8 bit SLS is now active 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 9 ENABLE continued Command responses Sheet 2 of 4 Responses for the ENABLE command MAP output Meaning and acti
119. aps Troubleshooting F bus and F bus taps Troubleshooting links and linksets Troubleshooting a LIM unit Troubleshooting an ASU Troubleshooting a LIM unit Troubleshooting routes and routesets Troubleshooting routes and routesets Troubleshooting F bus and F bus taps Troubleshooting F bus and F bus taps Troubleshooting a LIM unit Troubleshooting a links and linksets Troubleshooting an ASU Troubleshooting a LIM unit Troubleshooting a LIM unit Troubleshooting a message sink 297 8991 545 Standard 06 01 July 2000 Troubleshooting chart 5 3 Table 5 1 CCS7 troubleshooting Sheet 3 of 3 Problem Possible cause Perform the procedure Out of service signals from far Facility fault Troubleshooting a facility fault end Thrashing link Troubleshooting a link that continuously fails and recovers DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 1 6 Advanced troubleshooting procedures This chapter contains advanced troubleshooting procedures that are referenced from the troubleshooting table in the Troubleshooting chart chapter DANGER Potential service impact When following troubleshooting procedures for major failure or potential failures it is crucial to coordinate local and regional control centers The following procedures are described in this chapter e How to determine the cause of a failed link e Troubleshooting a facility fault e Troubleshooting a LIM unit e Tr
120. are not performing the continuity test must wait for the continuity test message from the previous trunk and forward it to the next office The continuity indicator is passed through the network in the initial address message Figure 4 18 shows this interaction 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 23 Figure 4 18 ISUP continuity on previous trunks IAM IAM IAM COT IAM COT on COT on not COT previous previous required required circuit circuit _ _ ee a a i Continuity loop lt ef a COT COT COT ACM ACM ACM A Double continuity loops When two consecutive trunks perform a continuity test the continuity test message is not sent on the second trunk until it is notified that the first test passed Note This applies to a passed test only When a test fails the message is sent immediately Glare Glare occurs when two offices attempt to seize the same trunk at the same time When glare occurs the controlling office proceeds as usual with the continuity test If the non controlling office has a test in progress it stops the test and proceeds as a terminating office Figure 4 19 shows what happens in glare conditions when both offices try to conduct continuity tests on the trunk and when on
121. ata show the performance of PMs Counts peripheral module PM errors faults and state changes for PMs of the same type Counts protocol errors that are detected by the TCAP for each subsystem Records TCAP usage in terms of messages transactions and components for each subsystem DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 3 4 CCS7 network operational measurements CCS7 network priority OMs Table 3 2 lists OMs that must be monitored and their associated performance factors and logs Table 3 2 CCS7 network priority OM registers Sheet 1 of 5 Performance factor Gateway screening Link synchronization failures OM group C7GTWSCR C7LINK1 Register MSUDSCRD MSUDSCR2 MSUSCRER MSURJTM MSURJOPC MSURJDPC MSURUJSI MSURUJPRI MSURJCPA MSURJAPC MSURJPCS MSURJDST MSURJTT C7ALIGNF C7EXCONG Associated logs CCS500 CCS502 CCS500 CCS502 CCS503 CCS502 CCS502 CCS502 CCS502 CCS502 CCS502 CCS502 CCS502 CCS502 CCS101 297 8991 545 Standard 06 01 July 2000 CCS7 network operational measurements 3 5 Table 3 2 CCS7 network priority OM registers Sheet 2 of 5 Performance factor Link failures and recovery Link reception errors Link availability Link congestion OM group C7LINK1 C7LINK1 C7LINK1 C7LINK2 Register C7LKSYNU C7EXERR C7NACKRX C7NUCFL C7SLTFL C7LPO C7LKFAIL C7EXCONG C7STALFL C7COV C7BSYON C7RPO C7ABNRFB C7ALIGNF C7TLALFL C7LKU
122. aulty conditions 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 15 Table 2 1 Summary of CCS7 network logs Sheet 14 of 14 Definition TCAP101 Created when a message is generated by certain faulty conditions TCAP199 Miscellaneous error conditions Priority logs Table 2 2 lists logs that should be monitored their alarm class and suggested treatment Table 2 2 CCS7 network priority logs Sheet 1 of 3 Log Alarm class Action CCS101 minor A hardware or facility fault exists Deactivate the link and replace the faulty equipment CCS103 minor Refer to the Alarm and Performance Monitoring Procedures to determine the cause of the link alignment failure and synchronize it CCS109 no alarm Link could not be nailed up Keep a record of each occurrence CCS120 no alarm CCS7 link has exceeded threshold values Monitor the log and alert support groups CCS121 no alarm Check other CCS logs that indicate underlying link and linkset failures Look for a CCS101 or CCS158 link event log which indicates the root cause CCS157 minor Link has been manually busied Keep a record of each occurrence CCS158 minor Refer to the Alarm and Performance Monitoring Procedures for assistance in returning the link to service CCS159 minor Link has been locally inhibited Keep a record of each occurrence CCS160 minor Link has been remotely inhibited Keep a record of each occurrence CCS164 minor Refer to the Alarm and Perfo
123. austzone d_region d_austsgpt CHINA d_chnzone d_exchange d_chnsgpt GERMAN d_numarea d_hvstd_kvst d_gersgpt INTL2 d_network d_regiond_group d_member 5 6 7 8 priority d c_mainarea dpc_subarea dpc_areaunit opc_mainarea 8 0 5 priority dpc_mainarea dpc_subarea dpc_areaunit opc_mainarea 6 7 9 10 priority dpc_sigpoint dpc_subarea dpc_mainarea opc_sigpoint 10 9 ea eee ee ea ee SN continued DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 30 C7TULINK directory commands INTERCEPT continued Parameters and variables Sheet 3 of 10 INTERCEPT command parameters and variables Command INTERCEPT INTERCEPT Parameters and variables ALL ANSI AUSTRIA BASIC CCITT Parameters and variables 1 1 2 opc_netwk sls 2 3 4 BASIC o_pc sls INTL o_intlzone o_areantw o_intlsgpt AUSTRIA o_austzone o_region o_austsgpt CHINA o_chnzone o_exchange o_chnsgpt GERMAN o_numarea o_hvst o_kvst o_gersgpt INTL2 o_network o_region o_group o_ member 5 opc_subarea opc_areaunit sls 8 opc_subarea opc_areaunit sls 0 opc_subarea opc_mainarea sls continued 1 msg_code DATA hex_bytes 2 PARMS end Description This parameter specifies that the system will intercept all linksets or all network data This parameter specifies that the system will intercept all linksets or all network data This parameter identifies the format of t
124. ble replacement values Commands manual MAP screen Underlined There is no exact method established WAIT but optional elements they do not ae have to be entered implying defaults are represented by square brackets lt circuit gt 0 to 16 A vertical list Curly brackets separated by vertical LINK bars PM link pm unit UNIT Defined in the Description section of Curly brackets the Parameters and variables table 0 to 16 Directory descriptions Table 7 2 provides a brief description of all directories that this manual documents The following chapters describe the commands available from each directory Table 7 2 Directory description table Directory Description C7RTR The C7RTR directory is an activation command interpreter Cl tool used to monitor external routing C7RTRQRY The C7RTRQRY directory is used to query external routing C7SARCRP The C7SARCRP directory is an activation Cl tool used to monitor SCCP segmentation and reassembly and circular routing prevention functionalities C7TU The C7TU directory accesses commands that monitor CCS7 messages or links on link interface units LIU The C7TU directory commands can be used on the service switching point SSP signal transfer point STP and service control point SCP of the Digital Multiplex System DMS product line C7TUDTC The C7TUDTC CCS7 test utility digital trunk controller directory accesses the digital trunk controller DTC
125. ble for signaling traffic The CCS link becomes unavailable for signaling traffic and traffic has been removed from the link The switching office at the far end of the CCS7 link did not obey the CCS7 protocol ACCS route has received the transfer allowed signal from the network The route now has an acceptable level of routing in the CCS network A CCS route has received the transfer restricted signal from the network The route now has a restricted level of routing in the CCS network A CCS route has received the transfer prohibited signal from the network The route now has no service for routing in the network A CCS route has received an unexpected signal from the network The signal is logged and discarded A CCS routeset has received an invalid level 3 message from the network A CCS linkset has received an invalid level 3 message from the network Atransfer controlled signal has been received and is the result of either a rise or drop in the congestion level of a routeset DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 6 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 5 of 14 Log CCS173 CCS174 CCS175 CCS176 CCS177 CCS178 CCS180 CCS181 CCS182 CCS183 CCS184 CCS185 CCS186 CCS188 CCS190 CCS198 CCS199 Definition The transmission buffer of a CCS link has become congested Generated when CCS7 messages that originate in the central control communi
126. bsystem and give them time to clear the problem If the remote subsystem prob Do lem still exists Step 17 no longer exists Step 18 Cycle the remote subsystem through the offline state If the remote subsystem prob Do lem still exists Step 15 no longer exists Step 18 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 36 Advanced troubleshooting procedures Troubleshooting remote subsystems end 15 16 17 18 The problem is with software and can be resolved by troubleshooting at the software level If you Do have access to PROTEL soft Step 16 ware listings do not have access to PROTEL Step 17 sotware listings Troubleshoot the software or contact the personnel responsible for the next level of support Monitor log buffers in the CM MS LIM and link interface unit LIU and test for indications of software problems such as SWERRS and traps Debug software using the debug utility and the PROTEL program listings For further assistance contact the personnel responsible for the next level of support You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 37 Troubleshooting routes and routesets Application Definition Use this procedure to troubleshoot routes or routesets that do not respond to procedures in other maintenance documents This procedure troubleshoots routes and routesets from the perspectiv
127. c_mainareaopc_sigpoint 10 continued 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 49 MONITOR continued Parameters and variables Sheet 2 of 8 MONITOR command parameters and variables Command MONITOR MONITOR ltem ALL ANSI AUSTRIA BASIC CCITT CHINA DATA Parameters and variables 1 1 2 opc_netwk sls 2 3 3 4 BASIC Ope sls INTL o_intlzone o_areantw o_intlsgpt AUSTRIA o_austzone o_region o_austsgpt CHINA o_chnzone o_exchange o_chnsgpt GERMAN o_numarea o_hvst o_kvst o_gersgpt INTL2 o_network o_region o_group o_member opc_subarea opc_areaunit sls opc_subarea opc_areaunit sls 0 opc_subarea opc_mainarea sls continued 1 msg_code DATA hex_bytes 2 PARMS end Description This parameter specifies that the system will monitor all linksets or all network data This parameter specifies that the message to be monitored is network type American National Standards Institute ANSI This parameter identifies the format of the CCITT test message This parameter identifies the format of the CCITT test message This parameter identifies that the message to be monitored is network type CCITT This parameter identifies the format of the CCITT test message This parameter indicates that new hex data is specified If the DATA parameter is used enter the necessary hex bytes The message code may be one or two bytes long and does not necessari
128. cation module CC CM core have invalid destination point codes ACCS7 route set becomes restricted when the normal route of the routeset becomes unavailable The route becomes unavailable when a transfer prohibited TFP message is received for the route or the route is not in service linkset is system or manual busy The remote service module RSM link audit detects an inconsistency in link data The remote service module RSM link audit detects an inconsistency in route data Generated when offic parm CCS7_HOH1_RCP is changed A member of a PPC routeset has changed its availability state to allowed for the indicated route A member of a PPC routeset has changed its availability state to restricted for the indicated route A member of a PPC routeset has changed its availability state to prohibited for the indicated route A member of a PPC routeset has changed its availability state to unavailable for the indicated route A member of a PPC routeset has changed its availability state to restricted for the indicated route A member of a PPC routeset has changed its availability state to allowed for the indicated route A single link event initiates one or more changes to the state of a routeset This log indicates a signaling message handling SMH processor overload condition This log reports processor overload level changes A bit error rate test BERT is manually stopped or queried from the C7BERT MAP level or when a
129. cessive errors at one end office including signaling information octets SIO from the far end office The far end office receives CCS101 logs If the logs show Do an ST failure Step 3 a facility fault Step 5 Change the cards in the CCS7 link interface unit LIU7 multiple link interface unit MLIU high speed link interface unit HLIU or high speed link router HSLR If the link problem Do still exists Step 4 no longer exists Step 6 Verify the LIU7 MLIU HLIU or HSLR cabling and perform continuity tests on each lead within the cable Go to Step 6 Use CCS7 bit error rate test C7BERT level of the MAP to test the facility Replace the faulty component Return the link to service Monitor the link s performance until you are sure the problem is no longer occurring You have completed this procedure Figure Logs generated at end offices by a thrashing A link shows an example of the logs generated at end offices by a thrashing A link DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 18 Advanced troubleshooting procedures Troubleshooting a message sink Application Use this procedure to troubleshoot a message sink A message sink occurs when a node is inappropriately discarding CCS7 messages with no local or network notification Definition The following events indicate that a message sink occurs There are many customer complaints about not being able to complete calls ISUP tra
130. channel bus controller CBC which contains integrated circuits to monitor and control transmission of data through the NIU e link interface paddle board LPB which interfaces with a maximum of four DS30 datalinks from the network to transmit data to and receive data from the CBC Figure 1 16 shows the NIU components and the actions that occur between the components 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 29 Figure 1 16 NIU components IPF F bus 0 wn Channel bus bus controller controller Inter CBC cable Network plane 0 Network plane 1 The system duplicates NIUs for reliability Each NIU transmits and receives a data stream identical to the data stream that the mate NIU receives The NIU unit 0 controls C bus 0 and NIU unit 1 controls C bus 1 A cable between the CBC in each NIU provides access to the other network plane The cable also provides a link for coordination and control signals for SWACTs The F bus provides CM to NIU communication The system resets NIU and loads operational software The NIU receives all maintenance messages through the F bus Diagnostics detect hardware problems before diagnostics put the units in the in service state Diagnostics respond to problems detected while the NIU carries traffic When parity errors occur the NIU switches to the other plane When the connection specific integrity values in the data stream are not correct the NIU switch
131. code and message type Or the message format can be defined by binding it against a message type Usage notes The ALTER command is qualified by the following exceptions restrictions and limitations e Once saved messages are retained in the message table even if you exit this MAP level e The old test message is overwritten with the altered version 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 5 ALTER continued Command parameters and variables The following table describes the command parameters and variables Parameters and variables Sheet 1 of 3 ALTER command parameters and variables Command ALTER ALTER continued Item default DATA dpc_cls dpc_mem Parameters and variables msgnum DATA offset 1 hexbytes 2 LENGTH length 3 PARMS prompt_ans 4 ROUTING label ni default 5 prio dpc_mbr dpc_cls dpc_ntw 6 opc_mbr opc_cls opc_ntw sls end Description Omitting this entry forces the system to default to settings for the priority DPC OPC and SLS data The default states include the following The default OPC is datafilled in table C NETWRK The default DPC is datafilled in table C7RTESET The default priority is 0 The default SLS is 0 This parameter changes specific message bytes If the data parameter is used you must enter the necessary hex bytes w r t the message code The hex bytes are defaulted to zero The message co
132. ctory commands 11 13 HELP Command HELP Directory C7TU Function Use the HELP command to receive online documentation for the C7TU directory Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables HELP command parameters and variables Command Parameters and variables HELP C7TU Item Description C7TU This parameter produces summary documentation for the commands in the C7TU directory DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 14 C7TU directory commands HELP end Usage examples The following table provides an example of the command Command example Example of the HELP command C7TUT DPC SGCO ENTER C7TUR C7TURFE COMMON CHANN ry P D gt HELP C7TU MAP response C record C7T RE print C T turn on or off B List C7LU QUIT exit C7TU Q lt command EL SIGNALING 7 TEST C7TUDTC access the C7TU DTC tes U reports fro routeset sta message codes UTILITY C7TULINK access the C7TU LINK test environment t environment RFC access the C7TUTRAFFICsimulation environment m PMS to a device Ureports recorded on a device tus change report name gt for more information Explanation This example typifies a response for the HELP command string MAP responses The fol
133. d not find data for lt router number gt Meaning Command could not complete Action Contact the next level of support DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 22 C7RTRQRY directory commands TRNSL_TRK_ROUTING end Command responses Sheet 12 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External Routing lt external routing state gt Current Routing path SLS lt gt PM type of lt router number gt is not LIU 7 Meaning Command could not complete Action Contact the next level of support 297 8991 545 Standard 06 01 July 2000 10 1 10 C7SARCRP directory commands C7SARCRP directory commands Use the C7SARCRP directory to access the C7SARCRP activation CI tool Use this tool to monitor SCCP segmentation and reassembly and circular routing prevention functionalities Accessing the C7SARCRP directory To access the C7SARCRP directory level enter the following command from the CI command interpreter level gt C7SARCRP and press the Enter key C7SARCRP directory commands The following commands are available at the C7SARCRP directory level The commands are arranged in alphabetical order e HELP e QUIT e SET e STATUS DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 10 2 C7SARCRP directory commands HELP Command HELP Directory C7SARCRP Function Use the HELP command to dis
134. de may be one or two bytes long and does not necessarily follow the routing label immediately This variable specifies the DPC cluster number of the message to alter The valid entry range is 0 to 255 Entering 0 alters all clusters This variable specifies the DPC member number of the message to alter The valid entry range is 0 to 255 Entering 0 alters all members DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 6 C7TULINK directory commands ALTER continued Parameters and variables Sheet 2 of 3 ALTER command parameters and variables Command dpc_netwk hexbytes label LENGTH length msg_num ni offset opc_cls opc_mem opc_netwk PARMS prio Parameters and variables This variable specifies the DPC area network of the message to alter The valid entry range is 0 to 255 Entering 0 alters all area networks This variable string specifies the new hex bytes of the message body The existing bytes are overridden in the message This variable specifies the routing label used in the CCS7 message The valid values are ANSI CCITT JPN or TTC This parameter changes the length of a message identified by the message number This variable specifies the new length of the message identified by message number The valid entry range is 0 to 256 This variable specifies the message number of the selected message The valid entry range is 0 to 7 This variable specifies
135. destination node do not generate this log when they receive an MRVT message Log OMAP210 generates when an intermediate node or a test destination node detects an error during a message transfer part MTP routing verification test MRVT Log OMAP230 generates at the initiating signaling point under the following conditions e when all expected MTP message routing verification acknowledgments MRVA are received e when the MTP routing verification test MRVT T1 timer expires Log OMAP 240 generates each time a signaling point SP that detects an error sends a message transfer part MTP routing verification result MRVR message to the test initiating SP Failed and successful trace results are reported by the destination SP when a trace request is made by the originating signaling transfer point STP A PM status is changed to system busy by a system request A PM is placed offline from a manual busy state or when a PM is added to its associated inventory table while offline and unequipped A PM state is changed from offline to unequipped or when a tuple is deleted from tables LTCRINV or LIUINV A PM state changes to manual busy A PM returns to service A PM state changes to in service trouble A maintenance action step has occurred in a PM A PM P side link state changes to manual busy A PM P side link state changes to system busy A PM P side link returns to service Created when a message is generated by certain f
136. dures described in this document are for maintenance personnel in an operating company Note The xxxx in the document number represents the product computing module load PCL 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 31 Table 1 8 CCS7 documeniation Sheet 2 of 2 Document Title Abstract 297 Xxxx 546 Routine Maintenance This document contains routine Procedures maintenance procedures The procedures described in this document are for maintenance personnel in an operating company 297 XXxx 547 Card Replacement This document contains card Procedures replacement procedures The procedures described in this document are for maintenance personnel in an operating company PLN 8991 104 Provisioning Manual This document describes how the DMS SP SSP operates and the hardware and software required to operate the DMS SP SSP Note The xxxx in the document number represents the product computing module load PCL DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 1 2 CCS7 network logs Logs This chapter contains background information on logs the log groups and logs associated with a CCS7 network and references indicating for additional information Logs are messages generated by the DMS switch when a significant event occurs Logs include status and activity reports reports on hardware or software faults test results changes in state and other events or c
137. e Displays the MATCH table which contains entries specifying selection criteria for monitoring and intercepting messages Displays help for C7TULINK commands Intercepts specified CCS7 messages see Note Changes specified bytes in the Mask array in MASK table entries Changes specified bytes in the Match array in MATCH table entries Monitors for specified CCS7 messages Quits from C7TULINK level back to C7TU level Removes a monitor or intercept request from the MATCH table a message from the message table or a link that was previously selected with the SELECT command Restores the message table to the link interface unit LIU following a restart in the central controller Selects up to four LIUs for monitoring and intercepting messages on associated links Takes a message from the message table and injects it into a link see Note Displays the status of the C7TULINK environment Note These commands are visible and available only if the ILPT7 password is The C7TU match table contains up to eight entries that specify criteria for monitoring or intercepting CCS7 messages DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 4 Trouble isolation and correction methods Figure 4 1 shows an example of a match table entry There are two 16 byte hexadecimal arrays The Match array is the value and the Mask array indicates which bytes are important The first 16 bytes of incoming messages are compared to the matc
138. e Figure 4 9 Example of the MASK command gt MASK 0 4 00 MAP display C7TU MON SIO DPC OPC SLS TYPE NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET 0 IN ANSI NATL 00 SNTS 003 002 001 006 005 004 07 SLTM 0 1 2 3 4 5 6 T 8 9 LOBE 124 13 J14 15 Match 00 04 00 00 05 00 00 00 00 00 00 00 17 OO O00 00 Mask 00 FF 00 00 OF 00 00 00 00 00 00 00 00 00 00 00 C7TU MON SIO DPC OPC SLS TYPE NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET 0 IN ANSI NATL 00 SNTS 003 002 001 006 005 004 07 SLIM OF We 2 3 4 5 6 To uge 9 LOLI L2 T3 TA 15 Match 00 04 00 00 05 00 00 00 00 00 00 00 17 OO 00 00 Mask 00 FF 00 00 00 00 00 00 00 00 00 00 00 00 00 00 Building CCS7 messages If you have access to the password protected C7TULINK_ILPT7 you can add CCS7 messages to the message table and send them over a link to test the effect on a piece of equipment and to test the messaging process itself DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 14 Trouble isolation and correction methods The maximum number of entries in the message table is eight Messages are retained in the table when you exit from the C7TU CAUTION Do not enter message tracing criteria during an existing tracing session Entering C7TULINK message tracing criteria is prohibited when any other message tracing is in progress This restriction applies to C7TULINK C7MON and SIGRTU Use the message table as follows To make an entry to the
139. e local SCMG subsystem The message is discarded The status of a remote point code is changed to offline from the MAP terminal The status of a remote point code is changed to manual busy from the MAP terminal The status of a remote point code that has been returned to service changes to system busy This log indicates the number of subsystems at each remote point code that changed state to system busy The status of a remote point code changes to available The status of a remote subsystem is changed to offline from the MAP terminal The status of a remote subsystem is changed to manual busy from the MAP terminal The status of a remote subsystem changes to initializing and occurs when the subsystem has been returned to service but its routing status has not been obtained and a subsystem status test SST is in progress on that remote subsystem The status of a remote subsystem changes to system busy Occurs when the subsystem has been returned to service but its routing status becomes prohibited and an SST on the remote subsystem is in progress A remote subsystem becomes available The status of a local subsystem changes to offline The status of a local subsystem changes to manual busy DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 8 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 7 of 14 Log CCS219 CCS220 CCS221 CCS222 CCS223 CCS224 CCS225 CCS226 CCS227 CCS
140. e F bus problem Do still exists Step 7 no longer exists Step 10 Unseat the F bus interface cards NTEX22 one shelf at a time Try to bring the F bus back into service before going on to the next shelf Continue to unseat cards on each shelf until you have brought the F bus back into service or until you have unseated cards on all the shelves If the F bus problem Do still exists Step 8 no longer exists Step 10 Replace the F bus ribbon cable If the F bus problem Do still exists Step 9 no longer exists Step 10 For further assistance contact the personnel responsible for the next level of support You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Application Definition Advanced troubleshooting procedures 6 27 Troubleshooting links and linksets Use this procedure to to troubleshoot links and linksets that do not respond to trouble clearing procedures in other maintenance procedures A signaling link consists of signaling terminal equipment and a transmission facility Signaling links are used for the exchange of information between nodes in a CCS7 network A linkset is a set of links that are used as a group to carry signaling traffic between two signaling points in a network Link and linkset problems can be due to the transmission facility an application specific unit ASU or software problems Common procedures Action None Follow the steps to perform the procedure
141. e Volume 1 of 2 2000Q2 8 6 C7RTR directory commands DEACTIVATE continued Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the DEACTIVATE command MAP output Meaning and action External Routing is already inactive in the office Do you want to re deactivate External Routing Please confirm YES Y NO or N Meaning External routing is already inactive The CCS7 DTCs route ISUP messages Action If you want to deactivate external routing again enter y yes If you do not want to deactivate external routing again enter n no The MTP tables must be added to the CCS7 DTCs before External Routing can be deactivated Meaning External routing is not deactivated Action Use the DOWNLOAD_MTP command to add the MTP tables to the CCS7 DTCs There ar xpanded routesets in the office External Routing cannot be deactivated until all the expanded routesets have been removed Meaning External routing is not deactivated Action Remove all expanded routesets and enter the command again There are CCS7 DTCs in transient states Meaning External routing is not deactivated Action Use the QUERY_EXT_ ROUTING command to list which DTCs are in a transient state External Routing activation data was not distributed successfully to all nodes Meaning External routing is not deactivated Action Use the ACTIVATE command to
142. e command again No reply from lt DTC number gt Reason lt explanation gt Meaning External routing information is not displayed because there is no reply from lt DTC number gt Action Enter the command again The DPC could not be obtained from the routeset Failed to construct a test CCS7 message Meaning The destination point code is not in the routeset Action Refer to table C7RTESET for the correct routeset The OPC could not be obtained from the routeset Failed to construct a test CCS7 message Meaning The originator point code is not in the routeset Action Refer to table C7RTESET for the correct routeset External Routing lt external routing state gt Current Routing path SLS lt gt Could not find LIU7 data Check for SWERRs LOGs 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 19 TRNSL_TRK_ROUTING continued Command responses Sheet 9 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning Command could not complete Action Contact the next level of support Mismatch of Ext Routing Status Inactive in CM active in XPM Meaning External routing information is not displayed Use QUERY_EXT_ROUTING to examine the external routing status Action None Mismatch of Ext Routing Status Active in CM inactive in XPM Meaning External routing informatjion is not displayed Use QUERY_EXT_ROUTING to examine
143. e enter the command 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 21 QUIT Command QUIT Directory C7RTR Function Use the QUIT command to exit out of the C7RTR directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response C7RTR Tool Ended GES gt Explanation You have exited out of the C7RTR directory Responses None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 22 C7RTR directory commands REMOVE _MTP Command REMOVE_MTP Directory C7RTR Function Use the REMOVE_MTP command to remove message transfer part MTP routing tables from the digital trunk controllers DTCs Any changes to MTP routing tables are not included in the CCS7 DTCs Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the REMOVE_MTP command gt REMOVE_MTP MAP response MTP Databases are being removed The procedure will be completed when th CCS7 DTCs are stable Explanation MTP table information is removed from the CCS7 DTCs Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the REMOVE_MTP command MAP output Meaning and act
144. e network type of the message to be intercepted is Telecommunications Technical Committee TTC DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 38 C7TULINK directory commands INTERCEPT continued Usage examples The following table provides an example of the command Command example Example of the INTERCEPT command gt INT LINK Is000177 0 BOTH ANSI ALL snm DATA 01 03 06 where 1s000177 is the linkset name 0 is the signaling link number BOTH is the direction of the message ANSI is the network type ALL is the routing label snm is the message code 01 03 06 are the hex bytes added to the message body MAP response INT match entry setup successfully Explanation This command intercepts the incoming and outgoing messages of link ls000177 for SNM data Responses The following table describes the MAP responses Command responses Sheet 1 of 3 Responses for the INTERCEPT command MAP output Meaning and action ALL IS NOT PERMITTED IN FIELD ENVIRONMENT Meaning You specified parameter ALL in a field for which this is not a valid entry Command INTERCEPT did not execute Action None 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 39 INTERCEPT continued Command responses Sheet 2 of 3 Responses for the INTERCEPT command MAP output Meaning and action ERROR INVALID LINK NUMBER
145. e of routes because the status of a routeset depends directly on the availability of its component routes This procedure describes how to troubleshoot associated and quasi associated routes The trouble clearing approach is slightly different depending upon the type of route An associated route uses a linkset directly connected to the destination signaling point A quasi associated route uses a linkset that is indirectly connected to the destination signaling point It is connected to another STP switch which is then connected to the destination signaling point Common procedures Action None Follow the steps to perform the procedure Troubleshooting routes and routesets At your current location 1 Review maintenance actions taken to date Repeat if necessary If the route or routeset problem Do still exists Step 2 no longer exists Step 26 2 Post the routeset and verify the status of its component routes If Do all routes are in service Step 10 routes are ISTb or SysB Step 3 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 38 Advanced troubleshooting procedures Troubleshooting routes and routesets continued 3 Determine if the component linksets of the ISTb or SysB route are in service If the linksets are Do available Step 6 not available Step 4 4 Perform the procedure Troubleshooting links and linksets in this chapter then return to this point Go to step 5 5 Check the status o
146. ected and make sure that traffic volume on affected links is low to avoid service disruptions Figure 4 3 4 4 and 4 5 show examples of the MONITOR command For an explanation of match table entries and log output refer to the Match table and C7TU output sections in this chapter Figure 4 3 shows the commands required to monitor messages between originating point code OPC network 1 cluster 2 member 3 and destination point code DPS network 4 cluster 5 member 6 with signaling link selector SLS 7 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 7 Figure 4 3 Example of monitoring messages between a specific originating point code and destination point code PARMS 01 10 gt DUMP 0 MAP display C7TU MON NUM DIR NET 0 IN ANSI Oo 1 Match Mask NI NATL 2 3 00 00 00 00 SIO PR SI 00 SNTS 4 5 6 82 FF 03 FF 02 FF DPC MEM CLU 003 002 7 8 42 01 06 FF FF 05 FF NET 001 10 04 FF Tr 07 1F 12 Ll FF MEM 006 13 10 FF OPC CLU 005 14 01 FF gt MONITOR LINK LINKSET1 1 IN ANSI LABEL NATL 0 1 2 3 4 5 6 7 SLTM 15 00 00 SLS TYPE NET 004 07 SLIM Figure 4 4 shows the commands required to monitor all messages from OPC network 4 cluster 5 member 6 with SLS 7 Figure 4 4 Example of monitoring messages from a specific OPC gt DUMP 1 MAP display C7TU MON NUM DIR NET 0 IN ANSI
147. ed Command responses Sheet 5 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning External routing is active Router lt router numbers is discarding messages because the routeset is unavailable Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Discarding Msgs NIL Routeset Meaning External routing is active Router lt router numbers is discarding messages because there is a NIL routeset Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Message discard occurred Meaning External routing is active Router lt router number gt is discarding messages possibly due to router congestion Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Routing translation failed in Router lt gt DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 16 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Command responses Sheet 6 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning External routing is active Comm
148. edure is in progress LIU auto imaging has been initiated Log CCS149 is generated to indicate the following e auto imaging is finished and succeeded e auto imaging was unsuccessful due to an internal error e auto imaging was unsuccessful due to an exceeded delta file threshold e auto imaging is disabled A CCS routeset has been placed offline 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 5 Table 2 1 Summary of CCS7 network logs Sheet 4 of 14 Log CCS152 CCS153 CCS154 CCS155 CCS156 CCS157 CCS158 CCS159 CCS160 CCS161 CCS162 CCS163 CCS164 CCS165 CCS166 CCS167 CCS168 CCS169 CCS170 CCS171 CCS172 Definition A CCS routeset has been manually busied A routeset return to service RTS command has passed but not all parts of the routeset are functioning enough to provide service ACCS routeset is unavailable to deliver traffic to its destination and all traffic to that destination has been stopped ACCS routeset is able to deliver traffic to its destination and all traffic to that destination has been restored A CCS link has been placed offline A CCS link has been manually busied A CCS link is system busied after a request for return to service RTS fails A CCS link has been locally inhibited A CCS link has been remotely inhibited Local inhibit on a CCS link has been removed The remote inhibit on a CCS link has been removed The CCS link becomes availa
149. eived the fault is in another network node If this log occurs check other CCS logs and alarms which indicate underlying link and linkset failures and correct Look specifically for a CCS010 CCS157 or CCS158 link event log which will indicate the root cause Display the affected routeset at the C7LKSET MAP level Review the status of the member links and attempt to bring unavailable links to an in service InSv state Display the affected linkset at the C7LKSET MAP level Execute command Query Usr to display the routesets which use the linkset An invalid SCCP message has been received and discarded Set threshold to monitor SCCP message received with invalid called party address Set threshold to monitor originating mode SCCP message received with invalid calling party address Set threshold to monitor originating node SCCP message received with invalid subsystem destination Set threshold to monitor originating node Invalid SCCP message received from local subsystem Set threshold to monitor subsystem Invalid SCCP management message received by the local SCMG subsystem Set threshold to monitor originating node SCMG received and SST message with an invalid calling party address Set threshold to monitor originating node 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 17 Table 2 2 CCS7 network priority logs Sheet 3 of 3 Log Alarm class Action CCS230 no alarm SCCP subsystem received an
150. em displays all C7TULINK test messages in the message table Responses The following table describes the MAP responses Command responses Responses for the DISPLAY command MAP output Meaning and action MESSAGE NUMBER lt msg gt HAS NOT BEEN BUILT YET Meaning The command failed because the specified message has not been built Action None THERE ARE NO C7TU MESSAGES BUILT Meaning No messages exist in the message table Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 22 C7TULINK directory commands DUMP Command DUMP Directory C7TU C7TULINK Function Use the DUMP command to display the match table and examine the criteria used in monitor and intercept requests for C7TU messages Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables DUMP command parameters and variables Command Parameters and variables DUMP item_no Item Description item_no This variable specifies the number of the match table entry to be displayed The valid entry range is 0 to 7 To display several match table entries enter each item number separated with a space 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 23 DUMP end Usage examples The following table provides an example of the command Command
151. em name Item Description subsystem_name _ This variable specifies the subsystem or subsystems to be queried The values are the subsystem name or ALL 297 8991 545 Standard 06 01 July 2000 C7SARCRP directory commands 10 9 STATUS continued Usage examples The following table provides an example of the command Command example Example of the STATUS command gt STATUS E800 where E800 is the subsystem_name MAP response SUBSYSTEMSAR STATECRP STATE E800 ON OFF Explanation The SAR functionality is enabled for subsystem E800 Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the STATUS command MAP output Meaning and action SUBSYSTEM SAR STATE CRP STATE E800 ON OFF Meaning The SAR functionality is enabled for subsystem E800 Action None ERROR Subsystem provided is not datafilled in table C7LOCSSN Meaning The subsystem is not datafilled in table C7LOCSSN Action Refer to table C7LOCSSN to determine which subsystems are datafilled on the node DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 10 10 C7SARCRP directory commands STATUS end Command responses Sheet 2 of 2 Responses for the STATUS command MAP output Meaning and action Warning The TELOO009 option is currently idle The state of SAR or CRP functionality of each subsystem
152. ent Refer to the Trouble isolation and correction methods chapter which provides a brief description of C7TU and its commands If SST messages are Do being sent Step 6 not being sent Step 12 6 Determine if the SST messages are being acknowledged by subsystem allowed SSA messages If SST messages are Do being acknowledged Step 7 not being acknowledged Step 9 7 Verify the coding of the SSA messages If the coding is Do correct Step 8 not correct Step 13 8 Cycle the links receiving the SSAs through the offline state If the subsystem problem Do still exists Step 12 no longer exists Step 18 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 35 Troubleshooting remote subsystems continued 10 11 12 13 14 Verify the coding of the subsystem test message using C7TU If the coding is Do correct Step 13 not correct Step 10 Verify the datafill in table C7NETSSN again because the datafill in table C7NETSSN controls the coding of the SST messages If the datafill is Do correct Step 12 not correct Step 11 Correct the datafill If the subsystem problem Do still exists Step 12 no longer exists Step 18 The cause of the problem is a software error Cycle the remote point code through the offline state If the remote subsystem prob Do lem still exists Step 14 no longer exists Step 18 Notify the personnel responsible for maintenance of the remote su
153. entry range for is 0 to 256 The entry of 256 intercepts all signal points This variable specifies the OPC subarea number of the TTC JPN or NTC message The valid entry ranges are O to 16 for TTC The entry of 16 intercepts all subareas 0 to 16 for JPN The entry of 16 intercepts all subareas 0 to 256 for NTC The entry of 256 intercepts all subareas This parameter specifies that for some message codes the system will generate a list of parameters available to the user This variable specifies the CCS7 priority of the message to be intercepted The valid entry range is 0 to 4 The entry of 4 specifies all priorities This variable specifies the signaling link number of the linkset to be intercepted The valid entry range is 0 to 15 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 37 INTERCEPT continued Parameters and variables Sheet 10 of 10 INTERCEPT command parameters and variables Command Parameters and variables sls This variable specifies the signaling link selector code of the test message The valid entry ranges are 0 to 32 for ANSI messages The entry of 32 selects all messages 0 to 16 for CCITT messages The entry of 16 selects all messages 0 to 16 for TTC messages The entry of 16 selects all messages 0 to 32 for JPN messages The entry of 32 selects all messages 0 to 16 for NTC messages The entry of 16 selects all messages TTC This parameter specifies that th
154. eptable match the rest of the entries are not evaluated for a match Ensure that your match entries are not screened by another user s entry Before you use the MONITOR command use the SELECT command to enable message monitoring on the appropriate peripheral modules PM DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 48 C7TULINK directory commands MONITOR continued Command parameters and variables The following table describes the command parameters and variables Parameters and variables Sheet 1 of 8 MONITOR command parameters and variables Command Parameters and variables MONITOR ALL direction ANSI ALL 1 LINK lset_name slink_code LABEL netwk_indicator 2 CCITT ALL 3 ABEL netwk_indicator 4 TIC ALL 5 ABEL netwk_indicator 6 JPN ALL 7 ABEL netwk_indicator 8 NTC ALL 9 LABEL netwk_indicator 10 continued MONITOR continued 1 PODENI Ch 2 priority dpc_mem dpc_cluster dpc_netwk opc_mem opc_cluster 2 3 3 4 priority BASIC d_pc 4 INTL d_intlzone d_areantw d_intlsgpt AUSTRIA d_austzone d_region d_austsgpt CHINA d_chnzone d_exchange d_chnsgpt GERMAN d_numarea d_hvst d_kvst d_gersgpt INTL2 d_network d_region d_group d_member 5 5 6 priority dpc_mainarea dpc_subarea dpc_areaunit opc_mainarea 6 7 7 8 priority dpc_mainarea dpc_subarea dpc_areaunit opc_mainarea 8 9 9 10 priority dpc_sigpoint dpc_subarea dp
155. erify the message code and retry the MONITOR command with a correct message code Only four monitors allowed in field environment Meaning Four entries already exist in the match table The field environment allows only four entries in the match table The MONITOR command exits Action Remove an existing monitor or monitor request and retry the MONITOR command SLS is updated with the least significant 4 bits of the CIC DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 58 C7TULINK directory commands MONITOR end Command responses Sheet 3 of 3 Responses for the MONITOR command WARNING WARNING WARNING MAP output User entered Meaning and action Meaning The command executed successfully The message appears when telephone user part TUP telephone user part plus TUPP or British telephone user part BTUP messages are involved In these message types the signaling link selector SLS value is derived from the four least significant bits of the carrier identification code CIC value The SLS value entered in the routing label is overwritten Action None data longer than match entry size truncating user data Meaning The match entry has been truncated to contain bytes 3 to 18 of the message unit inclusively Each match entry is 16 bytes long Action None C7TU is not enabled in any PMs Meaning The command executed and the request was added to the match table
156. ernal routing state gt Current Routing path SLS lt gt Inconsistent data for Link lt index gt Check for SWERRs LOGs Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Could not find routeset data lt index gt Meaning Command could not complete Action Contact the next level of support 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 21 TRNSL_TRK_ROUTING continued Command responses Sheet 11 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External Routing lt external routing state gt Current Routing path SLS lt gt Routeset lt index gt is not datafilled Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Could not find the routeset name with lt index gt Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Could not find linkset name for linkset lt index number gt Meaning Command could not complete Action Contact the next level of support External Routing lt external routing state gt Current Routing path SLS lt gt Coul
157. ers Action None External routing Active Current routing path SLS lt gt Unknown routing error occured in DTC lt gt Meaning External routing is active An unknown routing error occured Action None External routing Active Current routing path SLS lt gt Command failed in CM Unknown error Meaning External routing is active Command could not complete Action None This command can run at most once per minute Please try again Meaning The command was entered too soon Action Try the command again Only DTC and PDTC are supported in this tool DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 18 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Command responses Sheet 8 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action Meaning An incorrect parameter was entered Action Enter the correct DTC or PDTC parameter number DTC lt number gt is not datafilled Meaning The digital trunk controller number entered is not datafilled Action Retry the command with a valid DTC number Could not get internal data for lt DTC number gt Meaning External routing information is not displayed because the data for the DTC number is not available Action Enter the command again Send test CCS7 message to lt DTC number gt failed Reason lt explanation gt Meaning The test message was not sent Action Enter th
158. ervice Meaning You selected an LIU number that is not in service Monitoring starts when the LIU comes in service The SELECT command continues execution Action None Only four selects allowed in FIELD environment Meaning You attempted to select when four entries were already in the match table The field environment allows only four entries in the match table The SELECT command exits Action Release a link that is currently selected and retry the SELECT command Select done Meaning The specified LIU number has been selected Action None ALL is not permitted in a FIELD environment Meaning You specified parameter ALL in a field for which this is not a valid entry Command SELECT did not execute Action Enter the command again Indicate specific values for the variables 297 8991 545 Standard 06 01 July 2000 Command Directory Function Usage notes None C7TULINK directory commands 12 67 SEND SEND C7TULINK Use the SEND command to take the specified message from the message table and inject it into the given link Once a message is sent the system treats it the same way as any other CCS7 message Command parameters and variables The following table describes the command parameters and variables Parameters and variables SEND command parameters and variables Command SEND ltem IN link_num linkset msg_num OUT Parameters and variables msg_
159. es 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 15 BUILD continued Parameters and variables Sheet 5 of 7 BUILD command parameters and variables INTL INTL2 JPN LABEL msg_code netwk_indicator NTC O_areantw o_austsgpt o_austzone o_chnsgpt o_chnzone o_exchange o_gersgpt GERMAN The valid entry range is 0 to 8 The entry of 8 monitors all signal points This parameter identifies the format of the CCITT test message This parameter identifies the format of the CCITT test message This parameter specifies that the network type of the message to be monitored is JAPAN This parameter allows the user to input the network data of the message This variable specifies the type of message This variable specifies the network indicator of the message The valid entries are as follows e INTL e INTLSP e NATL e NATLSP e ALL This parameter specifies that the network type of the message to be monitored is NTC7 This variable specifies the originating point code OPC area network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 monitors all area networks This variable specifies the OPC signal point of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all signal points This variable specifies the OPC zone of the CCITT message in format AUSTRIA The valid entry range
160. es routing around faults performs logical address routing Provides additional functions to accommodate two types of services without connection and connection oriented Performs the following functions e Management control updates routing and translations based on traffic congestion failure and recovery at the point code or subsystem number level keeps track of application status and informs the user when an application is not available e Message handler transfers signaling data units initiates global title translation GTT routes messages through the network and within the node based on the subsystem number checks the status of the destination and routes messages to MTP routing ISUP routing or subsystem number routing DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 6 Maintenance summary Table 1 1 Functions of CCS7 protocol layers Sheet 2 of 2 Layer Function TCAP Provides a set of generic procedures for applications based on transactions Controls the not circuit related information transfer between two or more nodes in a network ISUP Provides the signaling that sets up monitors and takes CCS7 calls down on ISUP trunks Supplies trunk signaling capabilities that allow network wide feature transparency for CCS7 applications like integrated services digital network ISDN CCS7 signaling messages CCS7 is a packet switched network based on the exchange of in
161. es the MAP responses Command responses Sheet 1 of 2 Responses for the DPC command MAP output Meaning and action ERROR CANNOT FIND DPC Meaning The DPC command was unable to find the destination point code DPC associated with the routeset The command halts execution No messages will be printed Action Verify that the routeset name ID is datafilled in the C7RTESET table Retry the command with the correct routeset name ERROR INVALID ROUTESET NAME Meaning The user specified a routeset name that is not datafilled in the C7RTESET table The command halts execution No messages will be printed Action Retry the command with a valid routeset name ERROR QUERY FAILED Meaning The QUERY command was unable to query the DPC associated with the routeset The command halts execution No messages will be printed Action Verify the routeset and retry the QUERY command DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 12 C7TU directo DPC end ry commands Command responses Sheet 2 of 2 Responses for the DPC command MAP output INVALID DPC OP Meaning and action ERATION Meaning The user has specified an operation that is not allowed with the DPC command The command halts execution No messages will be printed Action Retry the DPC command with the correct options 297 8991 545 Standard 06 01 July 2000 C7TU dire
162. es the system to default to exiting one directory level This is the most common selection for exiting nonmenu directories ALL This parameter causes the system to exit all directories and returns you to the Cl level n_level This variable specifies the number of directory levels to exit The default value is 1 name This variable specifies the particular directory level from which you want to exit DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 18 C7TU directory commands QUIT end Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response Crs Explanation You entered the QUIT command to exit a directory that is accessed directly from the Cl level The system assumes the default value of one directory level and returns you to the Cl level MAP responses The following table describes the MAP responses Command responses Responses for the QUIT command MAP output Meaning and action CE Meaning You have returned to the Cl MAP level Action Access another directory from the Cl MAP level or end this session QUIT Increment not found Meaning The system did not recognize the name variable replacement value as a valid directory level Action Verify your entry If the name you entered is incorrect retry the command If the name is correct check to see if the environment is active or if
163. es to the other plane DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 30 Maintenance summary DMS documentation Table 1 8 contains a list of CCS7 documentation For more information on the CCS7 documentation refer to the Product Documentation Directory 297 899 1 001 Table 1 8 CCS7 documeniation Sheet 1 of 2 Document 297 8121 020 297 XxXxx 350 297 xxxx 543 297 xxxx 544 297 xxxx 545 Title DMS SuperNode Signaling Transfer Point Service Guide Translations Guide Alarm andPerformance Monitoring Procedures Trouble Locating and Clearing Procedures Recovery Procedures Abstract This document contains reference information for the Signaling Engineering And Administration System SEAS Information includes the effect of SEAS commands on the DMS STP switch and a summary of interface messages that report DMS STP events to SEAS This document describes the translations datafill and data schema tables This document is designed for use by the administration personnel This document contains alarm and performance monitoring maintenance procedures The procedures described in this document are for maintenance personnel in an operating company This document contains trouble locating and clearing maintenance procedures The procedures described in this document are for maintenance personnel in an operating company This document contains recovery procedures The proce
164. etected a problem with a table The log displays the table and the system action taken Log703 is generated when a distribute data manager DDM audit on the internal c _feature_activation_table has detected and corrected a mismatch between the computer module CM and the LIU A DDM audit has failed for a particular xlist block on a node The specified xlist block is in use by the routeset A DDM audit has failed for a particular xlist block on a node The specified xlist block is in use by the route of the routeset 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 11 Table 2 1 Summary of CCS7 network logs Sheet 10 of 14 Log CCS732 CCS733 CCS734 CCS735 CCS791 C7TU logs C7TU101 C7TU102 C7TU103 C7TU104 C7TU105 C7TU106 C7TU108 C7TU109 C7TU110 C7TU401 C7UP logs C7UP100 C7UP101 C7UP102 C7UP103 Definition Asummary log indicating the number of DDM audits that have failed in the last 2 min Asummary log indicating the CCS180 to CCS185 logs that have been suppressed in the last 2 min The xlist table has overflowed while attempting to add a member Indicates that xlist management has been enabled or disabled on the node A summary log generated every hour detailing the audit activity for the MTP ISUP tables There is a match between the incoming link message from the LIU or the MSB7 and the C7TU match table There is a match between the outgoing link message to the LIU or the MSB7
165. etry the INTERCEPT command pij EAST SIGNIFICANT 4 BITS OF THE CIC SLS IS UPDATED WITH THE DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 40 C7TULINK directory commands INTERCEPT end Command responses Sheet 3 of 3 Responses for the INTERCEPT command MAP output Meaning and action Meaning The command executed successfully The message appears when telephone user part TUP telephone user part plus TUPP or British telephone user part BTUP messages are involved In these message types the signaling link selector SLS value is derived from the four least significant bits of the carrier identification code CIC value The SLS value entered in the routing label is overwritten Action None USER ENTERED DATA LONGER THAN MATCH ENTRY SIZE TRUNCATING USER DATA Meaning The match entry has been truncated to contain bytes 3 to 18 of the message unit inclusively Each match entry is 16 bytes long Action None WARNING C7TU IS NOT ENABLED IN ANY PMS Meaning The command executed and the request was added to the match table Action Use the SELECT command to enable the C7TU in the peripheral modules that are to be used WARNING C7TU IS NOT ENABLED ON lt pm num gt WHERE THIS LINK RESIDES Meaning The INTERCEPT command executed and the request was added to the match table Action Use the SELECT
166. example Example of the DUMP command gt DUMP 1 where 1 is the match table entry to be displayed MAP response Number of valid match entries 3 C7TU MON SIO DPC OPC NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET SLS TYPE O BOTH ANSI 2 00 5 1 2 3 0 0 0 0 IAM Oo dy 2 3 ae D 6 OT g 910 VA 12 ID LA TLG Match 00 04 00 00 82 01 01 01 00 00 00 O00 01 Mask 00 FF 00 00 CF FF FF FF 00 00 00 00 1F Explanation The system provides a display of match table entry 1 Responses The following table describes the MAP responses Command responses Responses for the DUMO command MAP output Meaning and action ERROR FIRST ITEM MUST NOT BE GREATER THAN LAST ITEM Meaning You attempted to display a range in which the first item had a larger entry number in the match table than the last item The DUMP command exits Action Verify the start and stop numbers and retry the command with a correct range There are no valid match entries in the specified range Meaning There are no match entries in the specified range The command halts execution and messages are not displayed Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 24 C7TULINK directory commands HELP Command HELP Directory C7TULINK Function Use the HELP command to receive online documentation for the C7TULINK directory Usage notes None Command parameters
167. exceeded access the OM2 log buffer in the LOGUTIL subsystem to obtain the number of the 297 8991 545 Standard 06 01 July 2000 CCS7 network operational measurements 3 9 register that is generating the alarm The log buffer OM2 display shows the register number the associated threshold setting and the actual event peg count OM class assignment reports Customized OM class assignment reports are available to assist in CCS7 maintenance and surveillance The following reports are applicable to a CCS7 network e STP_HRLY Key OM data including both SuperNode and CCS7 Printed hourly when maintenance personnel are present e STP_DAY Analysis of this OM data assists in identification of chronic or marginal conditions that can only be diagnosed over a long time interval e 7_SPMS_D This CCS7 data is used to resolve problems identified by the daily SPMS process that requires the source OM data to be analyzed DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 1 4 Trouble isolation and correction methods This chapter describes maintenance tools for a CCS7 network The CCS7 network test tools section describes test tools you can use when performing maintenance on the DMS CCS7 network The Tracking software related problems section describes reports that track software related troubles CCS7 network test tools The following test tools are described in this section e CCS7 test utility C7T
168. f resource shortages Generated after a continuity check test on the indicated outgoing trunk A response has not been received to either a facility request message or an information request message after a specified period of time The state of an ISUP trunk is being changed to match the far end The far end office does not use the same protocol standard message format An outgoing call attempt fails A call in progress has received an unexpected ISUP message type An ISUP trunk detects a maintenance problem ISUP does not receive a response from the far end to a release circuit REL or reset circuit RSC message before a timeout occurs The ISUP message table has no space available to store group blocking or group RSC messages The ISUP trunks are blocked due to an outage on digital trunk controller No 7 DTC7 a DTC7 carrier or an interperipheral message link IPML The previously blocked ISUP trunk is unblocked due to the recovery of the DTC7 the DTC7 carrier or an IPML An invalid number has been received in the range field of a circuit group message For the ANSI ISUP protocol an invalid number is zero or a number greater than 23 For other types of networks an invalid number is zero or a number greater than 255 A history data block HDB was not allocated due to under provisioning Also indicates that sufficient data store cannot be allocated to update the number of buffers available for maintenance messages A s
169. f the route or routeset problem If the route or routeset problem Do still exists Step 6 no longer exists Step 26 6 Verify datafill tables for MTP related problems e C7NETWRK e C7RTESET e C7LKSET e C7LINK If the datafill is Do correct Step 8 not correct Step 7 7 Correct the datafill Determine if the route problem still exists If the route Do remains ISTb or SysB Step 8 is in service Step 24 8 Determine if the route is associated or quasi associated If the route is Do associated Step 9 quasi associated Step 11 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 39 Troubleshooting routes and routesets continued 10 11 12 13 14 Cycle the linkset through the offline state If the route Do remains ISTb or SysB Step 10 is in service Step 24 Cycle the routeset through the offline state If the route or routeset problem Do still exists Step 22 no longer exists Step 26 Quasi associated routes use routeset test messages to determine routing availability A problem with a quasi associated route can be internal or external to the DMS STP switch Determine if the far end has routing available for the problem route If the far end has Do routing available Step 12 no routing available Step 16 Use C7TU to determine if periodic routeset test messages RSx are being generated by the STP If the periodic test messages are Do being sent
170. ffic is disrupted and the end office is flooded with C7UP logs indicating out of sequence or missing ISUP messages Some or all of the end office s ISUP trunk groups are partially or totally out of service CCS7 logs and alarms do not indicate a network problem The following two figures show examples of troubleshooting a message sink Note that it is necessary to coordinate control center and end office activity in this troubleshooting procedure Example 1 No trunks work between end offices Note 1 PON End offices A links DMS STP DMS STP No trunks work between end office A and end offices B C D and E Trunk signaling between end offices B C D and E is OK Trunk signaling between end office A and all other end offices is OK Since the common signaling paths are the A links to end offices remove A links from service one at a time and observe the effect End office A links 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 19 Troubleshooting a message sink continued Example 2 No trunks work between networks Local network 1 B link Local network 2 end offices x end offices A DMS STP DMS STP E A I gt DMS STP DMS STP D y H B links Note 1 No trunks work between local network 1 and local network 2 2 Trunk signaling between end offices A B C and D is OK 3 Trunk signaling between end offices E F G
171. formation packets called signal units The MTP level of the network is responsible for reliable transport and delivery of signaling information across the CCS7 network Each switch also called a node can format and transmit signal units to other nodes in the network In a CCS7 network the system sends signaling information with the following three types of signal units e link status signal units LSSU which report SL changes of state and have priority over other unit types e message signal units MSU which transfer user information from one node to another and are buffered until the MSU receives positive acknowledgement e fill in signal units FISU which fill the gaps between messages and are sent when the transmit buffer is empty Figure 1 2 shows the basic signal unit format Table 1 2 describes each field of a signal unit 297 8991 545 Standard 06 01 July 2000 Figure 1 2 Basic signal unit format Maintenance summary 1 7 8 16 8 MSU Check SIF Flag 8 16 8 LSSU Flag Check field FISU Legend BIB Backward indicator bit BSN Backward sequence number FIB Forward indicator bit FISU Fill in signal unit FSN Forward sequence number Status 26 1 7 1 7 8 Bits SoN LI FSN BSN Flag 26 1 7 1 7 8 Bits LI FSN BSN Flag 2 Gules 1 7 8 Bits FSN sa si First bit transmitted LI Length indicator LSSU Link status signal unit MSU Message signal unit SIF Signaling inf
172. g sending or intercepting messages is not allowed The C7TULINK directory also has a password protected version identified as the C7 TULINK_ILPT7environment This password protected version not only accesses the same basic commands as C7 TULINK_PMT7 but also accesses commands used to build send and intercept messages The C7TULINK directory version you access depends on the entries you made at the C7TU MAP level None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the C7TULINK command gt C7TULINK MAP response C7TULINK Explanation You have accessed the C7TU link environment 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 3 C7TULINK end MAP responses The following table describes the MAP responses Command responses Responses for the C7TULINK command MAP output Meaning and action MODULE NOT LOADED OR NEEDS OTHER CI INCREMENT TO BE BUILT Meaning The C7TULINK directory is not loaded or must be accessed through another directory Action None Undefined command lt command gt Meaning The command you entered is spelled incorrectly this directory is accessed using another entry code or the C7TULINK directory is not included in this software load Action None DMS 100 Family CCS7 Maintenance Guide Volume
173. g and changing message table entries refer to the sections Building CCS7 messages Altering CCS7 messages and Sending the CCS7 messages you build in this chapter C7TU output Use the C7 TUREC command to direct C7TU logs to a device of your choice or to a printer Note The default class for all logs is class 0 If you want to have one printer dedicated to C7TU logs use table LOGCLASS to specify a different class 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 5 for C7TU logs Then use table LOGDEYV to specify a printer that will receive only that class of logs Figure 4 2 shows an example of a C7TU log Table 4 3 explains the contents of each field in the log Figure 4 2 Example of a C7TU log RTC_STP C7TU101 JAN16 21 28 27 3305 INFO INCOMING LINK MSG C7 HEADER LEN 34 MSG 02 LINK 1 SLC 0 CLLI C7LKSET C7 STO NETWORK 2 PRIORITY 2 SERV IND 5 C7 LABEL DPC 001 001 001 OPC 002 002 002 SLS S7 DATA FOLLOWING ROUTING LABEL 01 01 01 01 01 01 01 01 O01 O1 2 Table 4 3 C7TU log fields following routing label Field Description LEN Message length MSG Message type LINK Linkset number SLC Link number CLLI Linkset name NETWORK Network indicator PRIORITY Message priority SERVIND Service indicator DPC Destination point code OPC Originating point code SLS Signaling link selector S7DATA CCS7 message data displayed in hexadecimal format To interpret t
174. gnal points This variable specifies the DPC zone of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 intercepts all zones This variable specifies the DPC knotenvermittlungsstelle trunk tandem switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the DPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 intercepts all members This variable specifies the DPC network number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 intercepts all networks This variable specifies the DPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the DPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 The entry of 16384 specifies all DPCs This variable specifies the DPC region of the CCITT message in format AUSTRIA or INTL The valid entry range for AUSTRIA format is 0 to 16 The entry of 16 intercepts all regions The valid entry range for INTL2 format is 0 to 8 The entry of 8 intercepts all regions This variable specifies the DPC area unit number of the TTC or JPN message The valid entry range is 0 to 128 The entry of 128 intercepts all area units This variable specifies the DPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of
175. gt Discarding Msgs NIL routeset Meaning Messages are being discarded due to a NIL routeset Action None External routing Inactive Current routing path SLS lt gt DTC lt gt Message discard occured Meaning External routing is inactive Action None External routing Inactive Current routing path SLS lt gt Command failed in DTC lt gt Unknown error Meaning External routing is inactive Command failed to execute Action None 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 13 TRNSL_TRK_ROUTING continued Command responses Sheet 3 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External routing Inactive Current routing path SLS lt gt Routing translation failed in DTC lt gt Meaning External routing is inactive Command could not complete Action None External routing Inactive Current routing path SLS lt gt Command failed in CM Unknown error Meaning External routing is inactive Command could not complete Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Routing Msgs to Link lt linkset name gt lt gt lt link state gt LIU7 lt gt lt PM state gt Meaning External routing is active Router is routing message
176. h a space The valid entry range is multiple data bytes This variable specifies the number of the monitor or intercept entry The valid entry range is 0 to 7 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 42 C7TULINK directory commands MASK continued Usage examples The following table provides an example of the command Command example Example of the MASK command gt MASK 0 04 00 where 0 is the number of the table entry to be changed 04 is the first byte in which to enter data 00 is the data to be inserted into the mask array MAP response C7TU MON SIO DPC OPC NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET C7TU MON SIO DPC OPC NUM DIR NET NI PR SI MEM CLU NET MEM CLU N ET SLS O BOTH ANSI ALL XX SNTS XXX XXX XXX XXX XXX XXX XXX 0 2 gA E Tg 9 E Tae 2 TS 1A 15 MATCH 00 05 00 00 02 00 00 00 00 00 05 11 00 00 00 00 MASK 00 FF 00 00 OF 00 00 00 00 00 00 FF 00 00 00 00 SLS 0O BOTH ANSI ALL XX SNTS XXX XXX XXX XXX XXX XXX XXX Olds 2 a A 6 e 9 ATO EL L2 ES TANTS MATCH 00 05 00 00 02 00 00 00 00 00 05 11 00 00 00 00 MASK 00 FF 00 00 00 00 00 00 00 00 00 FF 00 00 00 00 TYP GI SLTM TYPE SLT Explanation The byte offset value changes 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 43 MASK end Responses The following table describes the MAP responses Command respo
177. h table entry CCS7 messages that pass the comparison generate a C7TU log For example in Figure 4 1 the FF in the Mask array and the 04 in the Match array under byte 1 indicate that messages should be monitored to see if they have a value of 04 in byte 1 If the message also matches selection criteria for other bytes a C7TU log is generated Figure 4 1 Example of a match table entry C7TU MON SIO DPC OPC SLS TYPE NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET 0 IN ANSI NATL 00 SNTS 003 002 001 006 005 004 07 SLTM 0 1 2 3 4 5 6 Ta 8 29 gt Ee 12 13 14 15 Match 00 04 00 00 82 03 02 01 06 05 04 07 11 10 01 00 Mask 00 FF 00 OO FF FF FF FF FF FF FF 1F FF FF FF 00 When a change is made the match tables in all in service LIUs are updated Selected LIUs immediately start screening for messages that match the selection criteria For information on making and changing match table entries refer to the sections Monitoring CCS7 messages Intercepting CCS7 messages and Using the MASK and MATCH commands in this chapter Note Messages are matched against entries in the match table starting with the first entry After the first suitable match the rest of the entries in the table are not evaluated for a match Make sure your match table entries are not screened by a previous entry Message table The C7TU message table contains up to eight messages that can be sent over a link for test purposes For information on makin
178. he CCITT test message This parameter identifies the format of the CCITT test message This parameter identifies that the message to be intercepted is network type CCITT 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 31 INTERCEPT continued Parameters and variables Sheet 4 of 10 INTERCEPT command parameters and variables Command CHINA DATA direction d_areantw d_austsgpt d_austzone d_chnsgpt d_chnzone d_exchange d_gersgpt d_group Parameters and variables This parameter identifies the format of the CCITT test message This parameter indicates that new hex data is specified If the DATA parameter is used enter the necessary hex bytes The message code may be one or two bytes long and does not necessarily follow the routing label immediately This variable specifies the direction of the message to be intercepted The valid entry values are e IN e OUT e BOTH This variable specifies the destination point code DPC area network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 intercepts all area networks This variable specifies the DPC signal point of the CCITT message in format AUSTRIA The valid entry range for is O to 32 The entry of 32 intercepts all signal points This variable specifies the DPC zone of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 intercepts all zones
179. he message data refer to the appropriate CCS7 protocol specifications DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 6 Trouble isolation and correction methods Monitoring CCS7 messages To monitor for specific CCS7 messages make an entry in the match table as follows e To add a monitor entry to the match table use the MONITOR command Make the selection criteria as specific as possible If the criteria are too broad messages may flood the C7TU log buffer You must use a valid message code For a list of valid message codes use the C7TU MSGCODE command e To remove an entry from the match table use the REMOVE command e To change an entry in the match table use the REMOVE command to remove the current entry then enter the new entry again with the MONITOR command Note If you have access to the password protected C7TULINK_ILPT7 use the MASK and MATCH commands to change match table entries beginning at a specified byte Refer to the section Using the MASK and MATCH commands in this chapter e To display the match table use the DUMP command e To select LIUs for monitoring on their associated links use the SELECT command To remove selected LIUs use the REMOVE command Note The maximum number of entries in the match table including both monitor and intercept entries is eight CAUTION Potential service disruption If you receive an MTS103 log reduce the number of LIUs sel
180. his command to display all networks and associated point code information defined in table CINETWRK Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the DISPLAY command gt DISPLAY MAP response Network_name Network type PC_information BNROTTAWA00 ANSI7 200 201 202 BINARIANGOO CCITT INTL2 10 3 8 2 Explanation This is the standard response for command DISPLAY DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 14 6 MTPCVRT directory commands DISPLAY end Responses The following table describes the MAP response Command responses Responses for the DISPLAY command MAP output Meaning and action The point code for network BNROTTAWA0OO is ANSI7 030 031 032 Meaning The point code information displays PC format and values Action None 297 8991 545 Standard 06 01 July 2000 MTPCVRT directory commands 14 7 HELP Command HELP Directory MTPCVRT Function Use the HELP command to view a list of commands available at the MTPCVRT directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response MTP PC FORMAT CONVERSION COMMANDS DISPLAY aane Display all the networks defined in table C7
181. ides C bus fault detection isolation functions and loopbacks The ST starts CBI maintenance diagnostics A request from the processor bus P bus to F bus interface starts all centrally requested ST diagnostics C bus The C bus communicates with LIU7s or MLIUs and the network by the NIU The C bus is a duplicated time division multiplexed bus The C bus operates at 4 096 MHz with 512 channels of 10 bits for each channel Two duplicated C buses are present for each LIS in an LPP DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 28 Maintenance summary The C bus maintenance monitors for the following faults e parity failures on channels allocated to C bus ports e parity failures on channels not allocated to C bus ports When a C bus does not have critical faults C bus maintenance notifies node maintenance Node maintenance returns the C bus to service Because the NIU controls channel allocation two LIUs never attempt to transmit on the same C bus channel Network interface unit The NIU transfers data between the network and the C bus The NIU acts as a switch The NIU provides a maximum of 10 connection paths between the 512 channels available on the C bus and the 120 channels available on DS30 links from the network An NIU contains two NIU units Each NIU unit contains the following components e integrated processor and F bus interface IPF which contains 8 Mbytes of memory for the local software load e
182. ier pools IDPL generates this log on the computing module CM when 80 of transaction capabilities application part TCAP identifiers either transaction or component are in use ACCS7 server running applications that use identifier pools IDPL generates this log on the computing module CM when all transaction capabilities application part TCAP identifiers either transaction or component are in use An IDPL audit reports the detection and correction of an identifier that is reserved but not currectly in use The identifier is corrected to be used again Log OMAP100 generates when an operations maintenance application service element OMASE decode error occurs If OMASE or a transaction capability application part TCAP cannot correctly decode the received message this log is generated Log OMAP110 generates when the operations maintenance application service element OMASE user s state changes DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 14 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 13 of 14 Log OMAP210 OMAP220 OMAP230 OMAP240 PM logs PM102 PM103 PM104 PM105 PM106 PM128 PM181 PM182 PM183 PM184 TCAP logs TCAP100 Definition Log OMAP210 generates when the message transfer part MTP routing verification test MRVT core process starts correctly This log is generated from the originating signaling transfer point STP The intermediate node and
183. ies all priorities This variable specifies the signaling link selector code of the test message The valid entry ranges are e Oto 32 for ANSI messages The entry of 32 selects all messages e Oto 16 for CCITT messages The entry of 16 selects all messages e Oto 16 for TTC messages The entry of 16 selects all messages e Oto 32 for JPN messages The entry of 32 selects all messages e Oto 16 for NTC messages The entry of 16 selects all messages This parameter specifies that the network type of the message to be monitored is Telecommunications Technical Committee DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 18 C7TULINK directory commands BUILD continued Usage examples The following table provides an example of the command Command example Example of the BUILD command gt BUILD 0 ANSI natl 0 123456780 SLTM PARMS 01 01 MAP response MESSAGE 0 WAS BUILT SUCCESSFULLY Explanation The specified message built successfully Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the BUILD command MAP output Meaning and action ERROR CANNOT BUILD AN ECA MESSAGE Meaning You entered a recognizable code but the utility cannot build a message for the specified code The BUILD command exits Action Retry the build command with a valid message code ERROR INVALID MESSAGE CODE ZPE
184. in alphabetical order all parameters Relationships between groups of elements When an element follows another element horizontally and you select the first element you also must enter the second element ps_link unit_no NOFORGE FORCE WAIT NOWAIT and variables that apply to the command The table also includes the description of each element including replacement values and ranges for variables Conventions comparison The command conventions used in this document are different than the conventions used in MAP help screens and MAP responses Table 7 1 Table 7 1 Comparison of the command conventions compares these two conventions Element Command words Parameters Variable names Hierarchy Commands manual Uppercase or case sensitive specific boldface gt BSY Uppercase or case sensitive specific LINK Lowercase ps_link Horizontal order left to right gt L PDTC pm_numbers circuit MAP screen Uppercase or initial uppercase BSY Bsy Uppercase LINK Lowercase in angled brackets lt ps_link gt Note Angle brackets also indicate that the variable is required Verticle order top to bottom L lt PDTC gt PDTC lt pm_numbers gt 0 to 255 lt circuit gt 0 to 16 297 8991 545 Standard 06 01 July 2000 CCS7 network non menu commands 7 47 Table 7 1 Comparison of the command conventions Element Defaults Selectable elements Varia
185. indicates that the C7TU already is recording Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 10 C7TU directory commands DPC Command Directory Function Usage notes None DPC C7TU Use the DPC command to monitor a routeset for changes in availability and congestion or to query a routeset state The responses from the DPC command are produced as a C7TU log Command parameters and variables The following table describes the command parameters and variables Parameters and variables DPC command parameters and variables Command Parameters and variables QUERY routeset REPORT OFF DPC ON Item Description OFF This parameter disables reporting for routeset state or congestion level changes ON This parameter enables reporting for routeset state or congestion level changes QUERY This parameter queries a routeset state REPORT This parameter reports any routeset state changes or changes in congestion level routeset This variable specifies a valid routeset name that is datafilled in table C7RTESET 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 11 DPC continued Usage examples The following table provides an example of the command Command example Example of the DPC command gt DPC REPORT OFF MAP response gt Explanation This command disables routeset state reporting MAP responses The following table describ
186. ing ISUP RSCs in an ANSI7 network for trunk CIC 600 Figure 4 8 Example of the INTERCEPT command gt INTERCEPT ALL OUT ANSI ALL RSC PARMS 600 MAP display WARNING MSG TYPE HAS BEEN OVERWRITTEN INT match entry setup successfully gt MON ALL IN ANSI ALL ALL ISUP DATA MAP display WARNING MSG TYPE HAS BEEN OVERWRITTEN MON match entry setup successfully gt STATUS MAP display RAERRRAE CT TIULINK Environment kar exrak LIU7 FTA Tracing 101 4242 1000 ENABLE 102 4243 1000 ENABLE 201 4246 1000 ENABLE 205 4247 1000 ENABLE Item Disp NI Nettype Dir Link Dist Msg SI HO H1 0 INT ALL ANSI OUT ALL EXT XXX ISUP XXX 1 MON ALL ANSI IN ALL EXT XXX ISUP XXX 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 13 Using the MASK and MATCH commands If you have access to the password protected C7 TULINK_ILPT7 use the MASK and MATCH commands to change match table entries beginning at a specified byte as follows e To change the match array use the MATCH command e To change the mask array use the MASK command Figure 4 9 shows an example of the MASK command The MATCH command uses the same command syntax For an explanation of match table entries refer to the Match table section in this chapter Figure 4 9 shows the MASK command being used to change the value of byte 4 from OF to 00 in table entry 0 The MAP display shows the entry before the change and the entry after the chang
187. ing the type of messages that are monitored reduces the number of logs that are generated and ensures that all intercepted messages are logged Limiting monitoring also makes it easy to determine which messages are being intercepted and which are actually being transmitted over signaling links e To add an intercept entry to the match table use the INTERCEPT command You must use a valid message code To obtain a list of valid message codes use the C7 TU MSGCODE command To remove an entry from the match table use the REMOVE command e To change an entry in the match table use the REMOVE command to remove the current entry then enter the new entry using the MONITOR command Note If you have access to the password protected C7TULINK_ILPT7 use the MASK and MATCH commands to change match table entries beginning at a specified byte Refer to the section Using the MASK and MATCH commands in this chapter e To display the match table use the DUMP command DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 12 Trouble isolation and correction methods e To select LIUs for intercepting on their associated links use the SELECT command e To remove selected LIUs use the REMOVE command Figure 4 8 shows an example of the INTERCEPT command For an explanation of match table entries and log output refer to the Match table and C7TU output sections in this chapter Figure 4 8 also shows an interception of outgo
188. ion External Routing is not active It must be active before the MIP databases can be removed from the CCS7 DTCs 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 23 REMOVE_MTP end Command responses Sheet 2 of 2 Responses for the REMOVE_MTP command Meaning The MTP tables were not removed from the DTCs Action Use the ACTIVATE command to activate external routing The MIP databases were already removed from the CCS7 DTCs Do you want to remove them again y n Meaning The MTP tables have already been removed Action If you want to remove the MTP tables again enter y yes If you do not want to remove the MTP tables enter n no MTP databases are being removed The procedure will be complete when the CCS7 DTCs are stable Meaning The MTP table information is removed from the DTCs Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 1 9 C7RTRQRY directory commands C7RTRQRY directory commands Use the C7RTRQRY level to query external routing Accessing the C7RTRQRY directory To access the C7RTRQRY directory level enter the following command from the command interpreter CI level gt C7RTRORY and press the Enter key C7RTRQRY directory commands The following commands are available at the C7RTRQRY directory level The commands are arranged in alphabetical order e HELP e QUERY_EXT_ROUTING e QUIT e TRNSL_TRK
189. ions have been added e the description of command QUERYRES at the C7LKSET level for SSP e advanced troubleshooting procedures September 1998 Standard 01 02 Command QUERYTRE at the C7LKSET level has been revised to incorporate technical changes 297 8991 545 Standard 06 01 July 2000 Publication history v August 1998 Standard 01 01 first release of this document DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 vii Contents About this document xi When to use this document xi How to check the version and issue of this document xi References in this document xi What precautionary messages mean xii How commands parameters and responses are represented xiii Input prompt gt xiv Commands and fixed parameters xiv Variables xiv Responses xiv 1 Maintenance summary 1 1 Maintenance philosophy 1 1 CCS7 functional description 1 1 DMS architecture 1 1 DMS tasks 1 1 DMS documentation 1 1 Maintenance philosophy 1 1 Reactive maintenance activities 1 1 Preventive maintenance activities 1 2 CCS7 functional description 1 2 CCS7 protocol 1 2 CCS7 signaling messages 1 6 TCAP messages 1 8 ISUP messages 1 11 CCS7 hardware architecture 1 14 Mapping CCS7 hardware to protocol 1 17 DMS architecture 1 18 Integrated node 1 20 DMS tasks 1 20 Gateway screening 1 20 Global title translation 1 21 Automated system maintenance 1 21 Static data audits 1 22 Channelized link access 1 23 DMS documentation 1 30 2
190. is looped around or when the incoming tone is detected the appropriate tone is sent back to the originating office on the receive channel depending on the type of test 3 The originating office monitors the trunk for the incoming tone expected from the terminating office 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 19 Per call continuity tests A per call continuity test passes if the originating office detects the expected tone within two seconds and is within the quality parameters defined in system tables The following events occur 1 The originating office sends a continuity test message to inform the terminating office that the ISUP trunk is suitable for use 2 The terminating office responds by disconnecting the test loop or the response tone and sending an address complete message to the originating office Figure 4 14 shows the protocol for a successful call that includes a per call continuity test Figure 4 14 Protocol for successful call that includes a per call continuity test Originating office Terminating office Off hook IAM re Continuity loop lt ee aa a a a G Continuity message passed ACM inaj Audible Ringing ringing Off hook Answer message Call in answered state If the originating office does not detect a valid continuity tone withi
191. is not permitted in FIELD environment Meaning You specified parameter ALL in a field for which this is not a valid entry Command MONITOR did not execute Action None 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 57 MONITOR continued Command responses Sheet 2 of 3 Responses for the MONITOR command MAP output Meaning and action ERROR Invalid link number Meaning You specified a link number that is not datafilled for the specified linkset in table C7LINK The MONITOR command exits Action Verify the link number and retry the MONITOR command with the correct number ERROR Invalid linkset name Meaning You specified a linkset name that does not appear in table C7_LKSET Action Verify the linkset name and retry the MONITOR command with the correct linkset ERROR Invalid MSGCODE ZPF Meaning You entered a message code that is not recognized by C7TU The MONITOR command exits Action Verify the message code and retry the command ERROR MATCH table full Meaning The match table already has eight entries No further requests can be made The MONITOR command exits Action Remove an existing entry from the match table and retry the command ERROR Matching ECM messages is not permitted Meaning You entered a message code that was recognized by C7TU but a match is not allowed for the specified code The MONITOR command exits Action V
192. it SLS is activated QUIT quit from SLS8BIT utility Explanation This is the standard response for command HELP 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 13 HELP end Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output Meaning and action HELP Help for the SLS8BIT utility ENABLE activate 8 bit SLS DISABLE deactivate 8 bit SLS DISPL Display whether 8 bit SLS is activated QUIT quit from SLS8BIT utility Meaning The response lists the commands available at level SLS8BIT and their functions Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 14 SLS8BIT directory commands QUIT Command QUIT Directory SLS8BIT Function Use the QUIT command to exit the SLS8BIT directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response Crs Responses The following table describes the MAP responses Command responses Explanation You have exited the SLS8BIT directory Response for the QUIT command CI Meaning The system exited and returned to the CI level Action None MAP output Meaning and action 297 8991 545 Standard 06 01 July 2000 DMS 1
193. ition Meaning Action Meaning Action MAP output Meaning and action Activation module not found The command failed because activation module C7SLACT is missing Add module C7SLACT to the software load Could not invoke activation process The command failed The activation process could not be started for an unspecified reason Enter command ENABLE again SLS not activated The command failed The activation process could not be started for an unspecified reason Enter command ENABLE again Transition got stuck 8 bit SLS not activated The command failed during the transition process Enter command ENABLE again Transition failed 8 bit SLS not activated The command failed for an unknown reason Check the activation state of 8 bit SLS using command DISPL If 8 bit SLS is deactivated enter command ENABLE again If the state of 8 bit SLS is in transition wait until the state is stable Check the state again using command DISPL Transition timeout 8 bit SLS not activated The command failed because the transition time exceeded the time out value Enter command ENABLE again 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 11 ENABLE end Command responses Sheet 4 of 4 Responses for the ENABLE command MAP output Meaning and action Non_ANSI network detected in table C7NETWRK is not supported with 8 bit SLS load balancing when routing tables a
194. k 01 Office MS 1 Link interface output alarm shelf 1 controller unit Input Filler panel Speech CPUO CPU1 Link interface Salut A necting pele t Loo controller panels DMS core Disk drive mawaan CT SEMO SLM1 Link interface it UVM FI O OOL shelf 3 unl UVM FI O O UI TT FI OAOA OO OA MON IOE DSNE TME DPCC LPP Office alarm system DMS 100 DMS SuperNode Family equipment equipment A DMS SP SSP is a switching office that supports CCS7 voice trunk capability ISUP messaging An SP provides an interface between subscriber lines and the CCS7 network An SSP supports TCAP messaging which allows the SSP to request information from CCS7 databases like 800 Service The DMS SP SSP combines the DMS 100 Family and DMS SuperNode equipment Figure 1 11 shows the DMS SP SSP configuration DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 20 Maintenance summary Figure 1 11 DMS SP SSP configuration Alarm Network Magnetic Shelf 1 cross 00 ta pe DTC connect drive FSP FSP FSP MTM Filler Shelf 2 panel MSO LIM 0 1 FLIS 00 FSP FSP FSP FSP L DMS bus Office Network I O DTC 00 alarm 01 onoir MS1 LIS 1 FLIS 01 unit DTC Speech Filler vO cPuo CPU1 LIS 2 Filler panel DTC 01 link conn panel controller panels r DMS core PULIO
195. l members This variable specifies the DPC network number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 monitors all networks This variable specifies the DPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the DPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 The entry of 16384 specifies all DPCs This variable specifies the DPC region of the CCITT message in format AUSTRIA or INTL The valid entry range for AUSTRIA format is 0 to 16 The entry of 16 monitors all regions The valid entry range for INTL2 format is 0 to 8 The entry of 8 monitors all regions This variable specifies the DPC area unit number of the TTC or JPN message The valid entry range is 0 to 128 The entry of 128 monitors all area units This variable specifies the DPC cluster number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all clusters This variable specifies the DPC main area number of the TTC JPN or NTC message The valid entry ranges are e Oto 32 for TTC The entry of 32 monitors all main area numbers e Oto 32 for JPN The entry of 32 monitors all main area numbers e Oto 256 for NTC The entry of 256 monitors all main area numbers This variable specifies the DPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all me
196. le of the C7TUPRT command gt C7TUPRT TEMPFILE where TEMPFILEis the file name MAP response TIME 09 14 37 INCOMING LINK MSG C7 HEADER LEN 34 MSG 2 LINK 1 SLC 0 CLLI C7LKSE C7 SIO NETWORK 2 PRIORITY 2 SERV IND 5 C7 LABEL DPC 001 001 001 OPC 002 002 002 SLS 2 C7 DATA FOLLOWING HEADER 01 01 01 01 01 01 01 01 01 01 TIME 09 14 37 OUTGOING LINK MSG C7 HEADER LEN 32 MSG 2 LINK 2 SLC 1 CLLI C7LKS ET2 C7 SIO NETWORK 2 PRIORITY 2 SERV IND 2 C7 LABEL DPC 003 003 003 OPC 001 001 001 SLS BODY 02 03 04 05 06 07 08 01 02 TIME 09 14 38 INVALID MESSAGE INVALID MESSAGE TYPE 1909 55 07 E4 FF 32 45 09 A4 D2 FF C3 E9 DO AA E TIME 09 15 01 C7TU TRACING ON LIU7 201 2 Explanation This command string displays all CCS7 messages saved in the file named tempfile DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 6 C7TU directory commands C7TUPRT end MAP responses The following table describes the MAP responses Command responses Responses for the C7TUPRT command MAP output Meaning and action Error File is not in C7TU format Meaning The specified file is not a valid C7TU log file The command stops execution No C7TU log messages will be interpreted and displayed Action Retry the command with a valid C7TU log file
197. lowing table describes the MAP responses Command responses MAP output Responses for the HELP command Meaning and action MODULE F NOT LOADED OR N T EDS OTHER CI INCREMENT TO BE BUILT Meaning The directory you are trying to access is not loaded or must be accessed through another directory Action None 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 15 MSGCODE Command MSGCODE Directory C7TU Function Use the MSGCODE command to print a list of valid message codes that are available for use in the message code field prompted for in the BUILD and MONITOR commands The message codes display in a hierarchical format The hierarchy is distribution identification DI serivice indicator SI h0 and h1 hOh1 Each level in the hierarchy has its own three or four letter message code Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables MSGCODE command parameters and variables Command Parameters and variables MSGCODE msgcode Item Description msgcode This variable specifies a message code in a three or four letter format DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 16 C7TU directory commands MSGCODE end Usage examples The following table provides an example of the command Comma
198. ly CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 14 Maintenance summary Table 1 4 Parts of an ISUP message Sheet 2 of 2 Part Description Required fixed Contains required parameters of fixed length The message part type determines the order and length of parameters Required Contains required parameters of variable length The length variable part must be defined A pointer indicates the number of octets between the part and the first octet of the associated parameter Optional part Contains fixed or variable parameters The optional part must include the name and the length of the parameters CCS7 hardware architecture A CCS7 network consists of switching and processing devices that signaling links interconnect The following sections provide a short description of the nodes and signaling links e Nodes e Signaling links e Routes linksets and routesets e Mapping CCS7 hardware to protocol For more information refer to the Provisioning Manual PLN 8991 104 and to the Translations Guide Nodes CCS7 networks include the switches nodes that appear in Figure 1 6 Table 1 5 describes each node 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 15 Figure 1 6 CCS7 nodes STP STP SCP S HE STP STP Na Database STP pair A STP pair B SP Table 1 5 Node functions Node Description Signaling point Supports voice trunk capability SP Service Provides SP and SSP f
199. ly follow the routing label immediately DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 50 C7TULINK directory commands MONITOR continued Parameters and variables Sheet 3 of 8 MONITOR command parameters and variables Command Parameters and variables direction This variable specifies the direction of the message to be monitored The valid entry values are e IN e OUT BOTH d_areantw This variable specifies the destination point code DPC area network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 monitors all area networks d_austsgpt This variable specifies the DPC signal point of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all signal points d_austzone This variable specifies the DPC zone of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all zones d_chnsgpt This variable specifies the DPC signal point of the CCITT message in format CHINA The valid entry range is 0 to 8 The entry of 8 monitors all signal points d_chnzone This variable specifies the DPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 monitors all zones d_exchange This variable specifies the DPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 monitors all exchanges d_gersgpt This variable s
200. ly one office tries to conduct a continuity test on the trunk DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 24 Trouble isolation and correction methods Figure 4 19 Continuity tests in glare situations Both offices have continuity checks on the trunk Control office Non controloffice AEE IAM COT required COT tone y Nolooparound required E E COT tone Continuity message passed COT tone halted ACM D ani Audible Ringing ringin 2 Off hook Answer message Call in answered state One office has a continuity check on the trunk Control office Non controloffice SE ABE IAM COT required IAM no COT COT tone a eo gt Continuity message passed ACM SSS Audible Ringing ringing Off hook Answer message Call in answered state 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 25 Specifying tone combinations There are two tones used for continuity tests e high tone 2010 Hz e low tone 1780 Hz The combination of tones used for continuity tests depends on the trunk termination types of the switches involved Tone combinations are defined in the CONTCHK field of the TRKSGRP table for each trunk subgroup Table 4 6 shows the valid entries For datafill instructions refer to the Translations Guide Table 4 6 Valid entries for tone types in field CO
201. m the TTP level of the MAP terminal 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 21 To access the TTP level of the MAP enter the following command from the CI command interpreter MAP level gt MAPCI MTC TRKS TTP and press the Enter key The continuity test is invoked by posting the desired trunk group and typing the following command gt TST ICOT Figure 4 16 shows the protocol for a passed on demand continuity test Log C7UP107 indicates a failed on demand continuity test Figure 4 17 shows the protocol for a failed on demand continuity test Figure 4 16 Protocol for passed on demand continuity test Originating office Terminating office CCR Timer 2s LPA Timer 13s Continuity loop RLS Timer 6s RLC DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 22 Trouble isolation and correction methods Figure 4 17 Protocol for failed on demand continuity test Originating office Terminating office go CCR Timer 2s LPA Timer 13s Continuity loop wm COT failed Timer SS a gt 3 min 20s Stop Timer 13s RLC timers Continuity tests on previous trunks If any trunk in a connection has performed a continuity test the subsequent trunks which
202. may be set to ON but this functionality will only be in effect after the TELO00009 option is on Meaning Operating company personnel can set the state of the SAR or CRP functionality to ON but the functionality is not activated until the SOC option TELO00009 is set to ON Action Activate SOC option TEL00009 by setting the SOC state to ON Refer to the Software Optionality Control User Manual 297 8991 901 297 8991 545 Standard 06 01 July 2000 11 C7TU directory commands C7TU directory commands Use the C7TU level to access the C7TU test tool The C7TU directory commands monitor CCS7 messages or links on link interface unit LIU Accessing the C7TU directory To access the C7TU directory level enter the following command from the CI command interpreter level gt C7TU and press the Enter key C7TU directory commands The following commands are available at the C7TU directory level The commands are arranged in alphabetical order e C7TULINK e C7TUPRT e C7TUREC e DPC e HELP MSGCODE e QUIT DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 11 2 C7TU directory commands C7TULINK Command Directory Function Usage notes C7TULINK C7TU Use the C7TULINK command to access the C7TULINK directory There are two versions of C7TULINK The basic versions identfied as the C7TULINK_PMT7 environment accesses commands that monitor messages only access to commands for buildin
203. mbers This variable specifies the DPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all networks This variable specifies the DPC signal point of the NTC message The valid entry range for is 0 to 256 The entry of 256 monitors all signal points DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 52 C7TULINK directory commands MONITOR continued Parameters and variables Sheet 5 of 8 MONITOR command parameters and variables Command Parameters and variables dpc_subarea This variable specifies the DPC subarea number of the TTC JPN or NTC message The valid entry ranges are e Oto 16 for TTC The entry of 16 monitors all subareas e Oto 16 for JPN The entry of 16 monitors all subareas e Oto 256 for NTC The entry of 256 monitors all subareas GERMAN This parameter identifies the format of the CCITT test message to monitor hex_bytes This variable string specifies the new hex bytes in the message body The new bytes override the existing bytes INTL This parameter identifies the format of the CCITT test message INTL2 This parameter identifies the format of the CCITT test message JPN This parameter specifies that the network type of the message to be monitored is JAPAN LABEL This parameter allows the user to input the network data of the message LINK This parameter indicates that the specified linkset will be monitored The linkset name foll
204. meter lists all CCS7 DTCs that are not in the DDM constant state Usage examples The following table provides an example of the command Command example Sheet 1 of 2 Example of the QUERY_EXT_ROUTING command gt QUERY_EXT_ROUTING LIST MAP response 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 15 QUERY_EXT_ROUTING continued Command example Sheet 2 of 2 Example of the QUERY_EXT_ROUTING command External Routing Status External Routing Active TP Tables Downloaded CCS7 DTCs DDM Stable Explanation External routing has been queried External routing is active the CCS7 DTCs contain MTP table information and the DTCs are in a DDM stable state Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the QUERY_EXT_ROUTING command MAP output Meaning and action External Routing status External Active Routing TP Tables Downloaded CCS 7 DIGS DDM Stable Meaning External routing is active Action None External Routing status External Inactive Routing TP Tables Removed CCS DIE s Transient DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 16 C7RTR directory commands QUERY_EXT_ROUTING end Command responses Sheet 2 of 2 Responses for the QUERY_EXT_ROUTING command MAP output Meaning and action These nodes are in tran
205. mmand Parameters and variables ON Omitting this entry forces the system to default to selecting the specified link ALL When used in the first position this parameter selects all datafilled MSB7s and LIUs as the link specification When used in the second position this parameter selects all datafilled MSB7s or all datafilled LIUs as the link specification For MLIU this parameter indicates that you are selecting all ports on all MLIUs HLIU This parameter selects one or all high speed link interface units HLIU as the link specification LIU7 This parameter selects one or all CCS7 link interface units LIU7 as the link specification _num This variable is the LIU number The valid entry range is 0 to 511 log_throt_set This variable is used to vary the C7TU log throttle in the selected LIU The valid entry range is 1 to 60 This entry is password protected MLIU This parameter indicates that you are selecting multiple link interface unit MLIU MSB7 This parameter selects one or all MSB7s as the link specification m_num This variable is the MSB7 number The valid entry range is 0 to 9 NUMBER This parameter indicates that you are selecting a specific MLIU and port OFF This parameter releases the specified link port_number This variable indicates the MLIU port number The valid range is 0 to 3 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 65 SELECT continued Usage examples The followi
206. mproper use of C7TU can seriously degrade C7 traffic capacity and or cause total C7 or office failure DO YOU WISH TO CONTINUE Please confirm YES or NO To confirm type gt YES 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 3 and press the Enter key To access the C7TULINK directory type gt C7TULINK and press the Enter key C7TULINK directory commands The following commands are available at the C7 TULINK directory level All of the C7TULINK commands including those that are password protected are described in this chapter and arranged in alphabetical order e ALTER see Note e BUILD see Note e DISPLAY see Note e DUMP e HELP e INTERCEPT see Note e MASK e MATCH e MONITOR e QUIT e REMOVE e SELECT e SEND see Note e STATUS Note This command is visible and available only when the ILPT7 password is enabled DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 4 C7TULINK directory commands ALTER Command ALTER Directory C7TULINK Function Use the ALTER command to modify a test message that was added to the C7TU message table by the BUILD command Message length can be modified The routing label can be changed by identifying a new network type destination point code DPC and origination point code OPC and signaling link selector SLS Specific bytes in the message can be changed using the data parameter associated with a message
207. n ses Responses for the MASK command MAP output ERROR MASK E Out of range Meaning and action NTRY 1 IS NOT IN USE Meaning Mask entry 1 has not been assigned Action Assign the entry before attempting to alter or use it lt BYTE OFFSET gt 0 TO 15 Enter lt BYTE OFFSET gt lt DATA gt Meaning You entered an incorrect byte offset value Action Reenter the command DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 44 C7TULINK directory commands MATCH Command Directory Function Usage notes MATCH C7TU C7TULINK Use the MATCH command to specify bytes in the match table for which to screen messages for monitor and intercept entries The first 16 bytes of incoming messages are compared to the match table entry CCS7 messages that pass the comparison generate a C7TU log Previously the entire 16 bytes of a match entry had to be specified in order to change one byte in the match array This command allows you to specify the first byte in which to enter data None Command parameters and variables The following table describes the command parameters and variables Parameters and variables MATCH command parameters and variables Command Parameters and variables MATCH item_no byte_offset data Item Description byte_offset data item_no This variable specifies the first byte in which to enter data The
208. n 10 times within a 1 min period Up to 14 ILLP paths have recovered more than 10 times within a 1 min period More than 24 ILLP paths have failed or recovered within a 1 min period The gateway screening monitor option is activated for a particular gateway screening function and this function is the final function performed in the screening of a message This log is generated when an LIU is returned to service from a manual busy ManB state and the delta file could not be used to data sync the LIU If the delta file cannot be used the LIU takes longer to return to service as tables C7GTT and C7GTTYPE have to be fully downloaded from the CM The system generates log report CCS650 when a signaling transfer point software optionality control STP SOC audit finds too many tuples in a table The system generates log report CCS651 when a signaling transfer point software optionality control STP SOC audit detects active links with STP capability while the STP SOC option is set to IDLE When the STP SOC option is set to IDLE an integrated node INode office operates as a service switching point SSP Active links in an SSP office operate without STP capability The system generates log report CCS652 when a signaling transfer point software optionality control STP SOC audit detects that 8 bit SLS is active while the STP SOC option is set to ON Eight bit SLS is supported only when the STP SOC option is set to IDLE Astatic data audit has d
209. n describes all the parameters and variables The following subsections describe the presentation of different elements of the command syntax In the examples that follow the descriptions the elements are highlighted in gray Presentation of command words The command words appear in uppercase boldface The command appears in lowercase where lowercase is required by case sensitivity The command appears to the left of all other elements parameters and variables in the command expansion ps_link NOFORCE FORCE WAIT unit_no NOWAIT Presentation of parameters Parameters appear in uppercase Parameters appear in lowercase where the lowercase is required by case sensitivity ps_link NOFORCE FORCE WAIT unit_no NOWAIT Presentation of variables Variable names appear in lowercase Do not enter the variable as shown Always replace the variable with a value range number or an item from a list Variable entries are not represented in the expansion of the command but are described for each variable in the Description section below the expansion ps_link NOFORGE FORCE WAIT unit_no NOWAIT Presentation of hierarchy The order in which you must enter command elements is represented by their order of appearance from left to right The following example illustrates the order of the elements 297 8991 545 Standard 06 01 July 2000 CCS7 network non menu commands 7 45 2 3 4 ps_link NOFORCGE FORCE WAIT unit_no NOWAIT
210. n two seconds the continuity test fails and a continuity test message indicating failure is sent Another continuity test is initiated 1 to 10 s later In the interim another trunk is tried if the caller has not yet hung up Figure 4 15 shows the protocol for a failed per call continuity test If the second continuity test also fails a continuity test is repeated automatically every 1 to 3 min until the test passes timeout occurs or manual intervention from the MAP terminal occurs Table 4 5 lists the logs that may be generated after a per call continuity test DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 20 Trouble isolation and correction methods Figure 4 15 Protocol for failed per call continuity test Originating office Terminating office al IAM COT required COT timer lt _ lt Or 13s ou umer Continuity loop LM Timer COT failed Timer 10s 20s CCR Timer 2s LPA Timer 13s COT passed RLS RLC Table 4 5 Some of the logs generated by a per call continuity test Event Log number Condition or reason First failure C7UP107 Per call continuity test failed C7UP111 Continuity test failed Second failure C7UP107 Continuity recheck failed Subsequent failures None Pass C7UP107 Continuity recheck passed On demand continuity tests Conduct on demand continuity tests for each trunk fro
211. nal routing state the router number used to route integrated services user part ISUP messages when external routing is active the link route or routeset name and number used to route ISUP messages when external routing is inactive the state of the CCS7 link interface uni LIU7 external router or link any external routing status differences between the computing module CM and the extended peripheral module XPM None Command parameters and variables The following table describes the command parameters and variables Parameters and variables Sheet 1 of 2 TRNSL_TRK_ROUTINGcommand parameters and variables Command Parameters and variables TRNSL_TRK_ROUTING DTC ditc_no cic PDTC pdtc_no routeset_name Item Description cic This variable specifies the circuit identification code of the trunk DTC This parameter specifies the type of digital trunk controller dtc_no This variable specifies the number of the digital trunk controller PDTC This parameter specifies the peripheral digital trunk controller 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 9 TRNSL_TRK_ROUTING continued Parameters and variables Sheet 2 of 2 TRNSL_TRK_ROUTINGcommand parameters and variables Command Parameters and variables TRNSL_TRK_ROUTING DTC ditc_no cic PDTC pdtc_no routeset_name Item Description pdtc_no This variable specifies the number of the peripheral digital trunk con
212. nance Guide Volume 1 of 2 2000Q2 13 6 C7UP directory commands HELP Command HELP Directory C7UP Function Use the HELP command to view a list of commands available at the C7UP level Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response C7UP MTP User Part Flow Control Status ACT LOLS ieia Activate UPU functionality for SI DEACT lt SI gt Deactivate UPU functionality for SI STATUS cesse oe Display UPU Status of User Parts QU TT 83 fuse ee ERE CLUP HE DP seios bns Display this menu WARNING The ACT and DEACT commands are service impacting WARNING Once the SI user activates UPU functionality the WARNING user may cease to have traffic should for some WARNING reason the user become UNAVAILABLE WARNING No UPU messages are generated for deactivated WARNING users Explanation This is the standard response for command HELP 297 8991 545 Standard 06 01 July 2000 C7UP directory commands 13 7 HELP end Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output C7UP MTP User Part Flow Control Status Meaning and action UPU functionality for SI e UPU functionality for SI PU Status of User Parts his menu DEACT command
213. nd QUERY_EXT_ROUTING Directory C7RTRORY Function Use the QUERY_EXT_ROUTING command to determine if e external routing is active or inactive e CCS7 digital trunk controllers DTCs contain message transfer part MTP table information e all CCS7 DTCs are data distribution manager DDM stable Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables QUERY_EXT_ROUTING command parameters and variables Command Parameters and variables QUERY_EXT_ROUTING LIST Item Description LIST This parameter lists all CCS7 DTCs that are not in the DDM stable state 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 5 QUERY_EXT_ROUTING continued Usage examples The following table provides an example of the command Command example Example of the QUERY_EXT_ROUTING command gt QUERY_EXT_ROUTING LIST MAP response External Routing Status External Routing Active TP Tables Downloaded CES DECS DDM Stable Explanation External routing has been queried External routing is active the CCS7 DTCs contain MTP table information and the DTCs are in a DDM stable state Responses The following table provides an example of the command Commmand responses Sheet 1 of 2 Example of the QUERY_EXT_ROUTING command MAP output Meaning and action External routing s
214. nd example Example of the MSGCODE command gt MSGCODE EXT where EXT is the message code MAP response SG CODE DESCRIPTION DI SI H1H0 EXT C7EXTERNAL 04 X XX SNM SIGNALING NETWORK MGT 00 XX CHM CHANGEOVER BACK MSGS 01 COO CHANGEOVER ORDER 11 COA CHANGEOVER ACK 21 CBD CHANGEBACK DECLARATION 51 CBA CHANGEBACK ACK 61 Explanation This command string produces a list of message code fields MAP responses The following table describes the MAP responses Command responses Responses for the MSGCODE command MAP output Meaning and action INVALID MSGCODE ZPF message codes are displayed Meaning You entered a message code that is not recognized by the C7TU No Action Check the message code entered to ensure it is correct and retry the command Otherwise display the entire message code table by entering the MSGCODE command with no parameters 297 8991 545 Standard 06 01 July 2000 C7TU directory commands 11 17 QUIT Command QUIT Directory C7TU Function Use the QUIT command to exit the C7TU directory Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and variables QUIT command parameters and variables Command Parameters and variables 1LEVEL ALL name QUIT n_levels Item Description 1LEVEL Omitting this entry forc
215. nd variables Sheet 7 of 7 BUILD command parameters and variables opc_mainarea opc_mem opc_netwk opc_sigpoint opc_subarea PARMS priority sls TTC This variable specifies the OPC main area number of the TTC JPN or NTC message The valid entry ranges are e Oto 32 for TTC The entry of 32 monitors all main area numbers e Oto 32 for JPN The entry of 32 monitors all main area numbers e Oto 256 for NTC The entry of 256 monitors all main area numbers This variable specifies the OPC member number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all members This variable specifies the OPC network number of the ANSI routing message The valid entry range is 0 to 256 The entry of 256 monitors all networks This variable specifies the OPC signal point of the NTC message The valid entry range is 0 to 256 The entry of 256 monitors all signal points This variable specifies the OPC subarea number of the TTC JPN or NTC message The valid entry ranges are e Oto 16 for TTC The entry of 16 monitors all subareas e Oto 16 for JPN The entry of 16 monitors all subareas e Oto 256 for NTC The entry of 256 monitors all subareas This parameter means that for some message codes the system will generate alist of parameters available to the user This variable specifies the CCS7 priority of the message to be monitored The valid entry range is 0 to 4 The entry of 4 specif
216. ne C bus is active and the other is inactive Each LIS in an LPP has a C bus LIU7s or MLIUs and NIUs use the C bus for data messaging only Figure 1 14 shows the bus configuration in the LPP DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 26 Maintenance summary Figure 1 14 Bus configuration in the LPP LIM unit 0 LIM unit1 NIU NIU LIU7 support of channelized access The LIU7s associated with channelized access have the C bus interface CBI card The LIU7 does not have the DS OA or V 35 card used in LIU7s that are not channelized MLIUs associated with channelized access have the CBI card which gives access to the C bus for up to four signaling data links Figure 1 15 shows channelized LIU7 components and the actions between these components 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 27 Figure 1 15 Channelized LIU7 components and their interactions F bus 0 To other LIU7s To channel bus controller Channelized bus interface card P bus Signaling to F bus terminal interface The CBI card performs the following functions when it receives data e selects the correct C bus data stream according to NIU activity e selects the channel from the active C bus e transfers data serially to the signaling terminal ST The CBI card performs the following functions when it transmits data e drives the correct channels on both C buses e prov
217. nent part Figure 1 3 shows the format of a TCAP message Table 1 3 describes the data elements of a TCAP message Transaction part The transaction part of a TCAP message associates the message with the application process transaction The application process transaction consists of one or more messages exchanged between application processes at different signaling points Component part The component part of a TCAP message makes sure that units of information in the application process transaction are formatted and exchanged correctly 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 9 Figure 1 3 Format of a TCAP message Package Total Transaction Transaction Transaction type TCAP identification ID length ID identifier message ID length identifier Transaction part Component Component Component Component sequence sequence 1A ID length Component part DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 10 Maintenance summary Table 1 3 Data elements of a TCAP message Sheet 1 of 2 Data element Package type identifier Total TCAP message length Transaction identification ID identifier Transaction ID length Description UNI information flows in one direction only Package type identifier does not establish a transaction Query with permission package type identifier initiates a transaction destinati
218. ng table provides an example of the command Command example Example of the SELECT command gt SELECT LIU7 0 where 0 is the LIU7 number MAP response Select done Explanation The LIU7 link 0 has been selected Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Response for the SELECT command MAP output Meaning and action Error wrong PM selection Meaning You entered a value that was not among the valid choices for PM selection The SELECT command exits Action Retry the command with a valid parameter lt liu gt lt number gt is not defined for this office Meaning You attempted to select an LIU that is not datafilled for this office The SELECT command exits Action Retry the SELECT command specifying an LIU that is datafilled for this office lt liu gt lt number gt is not inservice The LIU has been deselected Meaning You released an LIU number that currently is not in service Monitoring does not start when the LIU comes in service because the link is released The SELECT command continues execution Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 66 C7TULINK directory commands SELECT end Command responses Sheet 2 of 2 Response for the SELECT command MAP output Meaning and action lt liu gt lt number gt is not inservice Tracing will b nabled when the LIU goes ins
219. nk failures DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 16 Advanced troubleshooting procedures Troubleshooting a link that continually fails and recovers continued Logs generated at end offices by a thrashing A link DMS STP Linkset and routeset Linkset and routeset One out of one link fails Failure logs Failure logs CCS167 Route restricted CCS101 Link failures CCS164 Link unavailable CCS167 Route restricted CCS175 Routeset restricted PM and ISUP C7UP logs may follow for STPs and SSPs Recovery logs Recovery logs CCS166 Route allowed PMlogs CCS102 Link sync CCS163 Link unavailable CCS155 Routeset available CCS166 Route allowed Common procedures None Action Follow the steps to perform the procedure Troubleshooting a link that continuously fails and recovers At your current location 1 If you suspect a thrashing link make sure the link has been removed from service lf it has not immediately remove it from service A thrashing link can affect the operation of the switch 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 17 Troubleshooting a link that continually fails and recovers end 6 7 Analyze the link failure logs in the CCS7 Logs chapter to determine the cause of the thrashing link Logs will show either a signaling terminal ST failure in an end office or a facility fault Typically a facility fault causes ex
220. not respond to procedures in other DMS STP maintenance documents Remote point codes are used by the SCCP protocol layer to determine routing availability The status of a remote point code should be the same of its associated routeset If the routeset is available InSv or ISTb the associated remote point code should also be available When the remote point code state and the associated routeset state are different the cause is a software problem Common procedures Action None Follow the steps to perform the procedure Troubleshooting remote point codes At your current location 1 Review maintenance actions taken to date Repeat if necessary If the problem Do still exists Step 2 no longer exists Step 11 2 oo if the remote point code and its associated routeset have the same If they Do have the same state Step 3 do not have the same state Step 4 3 Perform the procedure Troubleshooting routes and routesets If the problem Do still exists Step 4 no longer exists Step 11 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 31 Troubleshooting remote point codes continued Cycle the associated routeset through the offline state If the problem Do still exists Step 5 no longer exists Step 11 Cycle the remote point code through the offline state If the problem Do still exists Step 6 no longer exists Step 11 This is an optional step You can continue with thi
221. num IN linkset link_num OUT Description This parameter specifies the direction for the message The direction is in on the link into the node This variable specifies the link number of the linkset on which to send the test message This variable specifies the name of the linkset on which to send the test message This variable specifies the message number of the test message to be sent This parameter specifies the sending direction for the specified message The direction is out on the link into the network DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 68 C7TULINK directory commands SEND continued Usage examples The following table provides an example of the command Command example Example of the SEND command gt SEND 1 IN C7LKSET1 0 where lis the message number of the test message to be sent C7LKSET1 is the name of the linkset 0 is the link number MAP response Insert done Explanation The system took test message number 1 and injected it into link number 0 in linkset C7LKSET1 Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Response for the SEND command MAP output Meaning and action ERROR INVALID LINK NUMBER Meaning You entered a link number that is not datafilled for the specified linkset in the C7LINK table The SEND command exits Action Verify the link number and retry the SEND command
222. odule and a peripheral module The audit software detects that a link has remained in the local processor outage LPO faulty link FtLk or initializing Init state for at lease one audit cycle The link state is displayed as it was before the audit The audit recovers the link A signaling connection control part SCCP audit detects an integrity mismatch between the computing module static data and the MSB7 or LIU static data The audit software detects a data mismatch between the computing module and the periperal module data for tables C NETSSN C7GTTYPE and C7GTT A CCS link has failed with the reason shown in the log report The link state displayed is as it existed prior to the link failure ACCS link has reached the sync or aligned Alnd state and is ready to carry traffic A link in the aligned state must be returned to service from manual busy ManB in order to carry traffic A CCS link has been attempting to align and has failed to achieve synchronization within a specified time DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 4 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 3 of 14 Log CCS104 CCS105 CCS106 CCS107 CCS109 CCS120 CCS121 CCS124 CCS125 CCS140 CCS141 CCS142 CCS146 CCS148 CCS149 CCS151 Definition The far end of a CCS link has a processor outage The remote processor outage RPO can also occur when a CCS link is manually busied o
223. ommon protocol for remote operations across the CCS7 network Log output Log output is controlled as follows e Log output is customized by changing the customer data tables listed in the Translations Guide e Commands are entered in the LOGUTIL level of the MAP that temporarily override parameters set in the customer data tables LOGUTIL The LOGUTIL level of the MAP contains commands that allow you to browse software buffers for information about messages and to temporarily control the routing and generation of reports The following documents contain additional information on the operation and features of LOGUTIL e Log Report Reference Manual e DMS 100 Family Maintenace and Operations Manual 297 8991 500 CCS7 network logs Table 2 1 lists logs that are associated with a CCS7 network Table 2 1 Summary of CCS7 network logs Sheet 1 of 14 Log Definition AUD logs AUD577 A call traps or dies and a regular HDB is an extension linked to the call AUD578 A call traps or dies and a large HDB is an extension block linked to the call AUD579 A call traps or dies and an extra large HDB is an extension block linked to the call AUDT logs AUDT608 An audit discovers a mismatch in the 8 bit signaling link selection SLS states between the computing module CM and a link interface unit LIU AUDT609 An audit reports an invalid 8 bit SLS activation state AUDT612 A CCS audit discovers a mismatch in the link availability states
224. on Action None TELO0009 must be soc_on to activate deactivate 8 bit SLS Meaning The command failed because SOC option TEL00009 is not active Action Set the state of SOC option TELO0009 to ON 8 bit SLS is currently being activated Meaning Command ENABLE has already been entered 8 bit SLS is in the process of being activated Action None 8 bit SLS is currently being deactivated Meaning 8 bit SLS is in the process of being deactivated Command ENABLE functions only when 8 bit SLS is fully deactivated Action None 8 bit SLS is already active Meaning Command ENABLE has already been entered 8 bit SLS is active Action None ALLOCATION OF PROCESS POOL HAS FAILED Meaning The command failed because process pools could not be allocated Action Enter command ENABLE again ERROR CREATING PARENT MAILBOX Meaning The command failed because mailboxes were not created Action Enter command ENABLE again ERROR CREATING PREFERRED MAILBOX Meaning The command failed because mailboxes were not created Action Enter command ENABLE again DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 10 SLS8BIT directory commands ENABLE continued Command responses Sheet 3 of 4 Responses for the ENABLE command Meaning Action Meaning Action Transition failed 8 bit Meaning Action Meaning Action Unknown error cond
225. on signaling point can terminate transaction Query without permission package type identifier initiates a transaction destination signaling point cannot terminate transaction Conversation with permission package type identifier continues current transaction destination signaling point can terminate transaction Conversation without permission package type identifier continues a current transaction destination signaling point cannot terminate transaction Response package type identifier indicates normal termination of a transaction Abort package type identifier indicates abnormal termination of a transaction Indicates the total length of the TCAP message Assigned to each transaction the application process at the originating and the responding signaling point assigns the identifier to the transaction Indicates the number of octets the transaction ID identifier uses in the TCAP message 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 11 Table 1 3 Data elements of a TCAP message Sheet 2 of 2 Data element Transaction ID Component sequence identifier Component sequence length Component Description Application process assigns transaction ID at the originating and the terminating signaling point The transaction ID not always present depending on the package type identifier Packagetypeidentifier Originating ID Responding ID UNI No No Query with permission Yes Ye
226. on to evaluate the performance of a CCS7 digital transmission path over a period of time A C7BERT repeatedly transmits a 2047 bit pseudo random pattern then checks the pattern to verify that no faults have occurred To access the C7BERT level enter the following command from the CI command interpreter MAP level gt MAPCI MTC CCS CCS7 C7LKSET C7BERT and press the Enter key Applications C7BERT tests the following e the link termination paddleboard PB e the associated transmission facility DS 0A Test configurations You can use the following C7BERT configurations e loop between two signaling terminals ST or LIUs to test a link e loop an ST or LIU back to itself to verify the integrity of the office e loop between an ST or LIU and a compatible bit error test box to isolate the location of a problem on a link Commands Table 4 4 lists and describes C7 BERT commands For more instructions refer to the Trouble Locating and Clearing Procedures Table 4 4 C7BERT commands Sheet 1 of 2 Command Description CARLOOP Activates a DS 1 remote line or payload loopback at the far end paddle board INJERR Inserts a single bit error on the specified link under test LFSLOOP Invokes or removes latching or nonlatching loopback on the specified network element PMLOOP Adds or removes the loopback on the NT9X78 card QUERY Queries the progress of a C7BERT QUIT Exits from the C7BERT menu level and returns to the C7LKS
227. onditions likely to affect the performance of the switch Log types There are over 1600 types of logs arranged in approximately 140 groups Messages in the following log groups must be monitored AUD Audit logs report the integrity of central control CC software and any attempts to correct errors AUDT Audit logs report the integrity of peripheral module PM software and any attempts to correct errors CCS Common channel signaling logs report on CCS7 linkset and routeset management functions such as maintaining signaling linksets restoring signaling to a link in the event of links failure C7UP CCS7 ISDN user part ISUP subsystem logs control circuit group blocking and circuit group unblocking messages as part of ISUP trunk maintenance C7TU CCS7 test utility logs display CCS7 link messages that are traced DDM Distributed data manager DDM logs monitor simultaneous updates of data to many DMS nodes IDPL IDPL logs report the detection and correction of identifiers that are in use or reserved OMAP Operational Measurement Application Part OMAP logs document the results of message routing verification tests MRVT DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 2 CCS7 network logs e PM PM logs monitor all hardware and software systems that provide interfaces with external line trunk or service facilities e TCAP Transaction capabilities application part TCAP logs provide a c
228. onse C7CGPA REFO 0 Action STOP Option None Data gt Point Code SCCPMT and SSN Range FROM gt ANSI 000 000 000 9 SSN 1 TO gt ANSI 001 001 001 9 SSN 1 Explanation This a standard response for command GWXREF with parameter REF 297 8991 545 Standard 06 01 July 2000 PROG directory commands 15 5 GWXREF continued MAP responses The following table describes the MAP responses Responses for the GWXREF command Sheet 1 of 3 MAP output Meaning and action C7CGPA REFO 0 Action STOP Option None Data gt Point Code SCCPMT and SSN Range FROM gt ANSI 000 000 000 9 SSN 1 TO gt ANSI 001 001 001 9 SSN 1 Meaning This is the standard response format for command GWXREF REF The response consists of four or more lines The first line uses the following format lt table name gt lt reference name gt lt rule no gt lt action gt lt option gt in which lt table name gt is the name of the specified table lt reference name gt is the name of the specified reference lt rule no gt is the rule number of the reference lt action gt indicates whether the search stops with the table specified or continues to another table lt option gt is the value from field OPTIONS in the specified table The second line describes the data included in the next two lines The third line contains table information for the range of From The fourth line contains table information f
229. or more information refer to the Translations Guide Recovery from failures After restarts caused by the central control CC failures system software automatically initializes trunk data again If the failure affects memory the DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 22 Maintenance summary switch uses a reset circuit procedure to realign near and far end trunk state information Note For warm restarts automatic maintenance does not occur Call processing continues New call originations are lost Automatic maintenance features also handle DMS internal failures such as digital trunk controllers DTC and carrier outages ISUP trunk continuity tests The signaling component and the voice component follows separate paths in a CCS7 network Successful transmission of the signaling component does not automatically guarantee voice connections Automatic continuity tests can be specified for trunks through datafill For more information refer to the chapter Trouble isolation and correction methods in this document Static data audits Static data audits make sure there are no data differences between tables The CM contains master copies of the tables To relieve the load on the CM link interface units LIU and DTCs also store the information The distributed data manager DDM first changes tables in the CM After that the DDM updates the changes in the LIUs and DTCs If the system loses or discards a DD
230. or the range of To Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 15 6 PROG directory commands GWXREF continued Responses for the GWXREF command Sheet 2 of 3 MAP output Meaning and action 1 C7ALWOPC RULO O Action Continue Option None Data gt Point Code Range From gt ANSI7 001 000 000 To gt ANSI7 255 255 255 2 C7CGPA RULO 0 Action Continue Option None Data gt Point Code SCCPMT and SSN range From gt ANSI7 000 000 000 SCCPMT 9 SSN 0 To gt ANSI7 255 055 255 SCCPMT 9 SSN 255 Meaning This is the standard response format for command GWXREF LINKSET The response consists of four or more lines The first line uses the following format lt table name gt lt reference name gt lt rule no gt lt action gt lt option gt in which lt table name gt is the name of the specified table lt reference name gt is the name of the specified reference lt rule no gt is the rule number of the reference lt action gt indicates whether the search stops with the table specified or continues to another table lt option gt is the value from field OPTIONS in the specified table The second line describes the data included in the next two lines The third line contains table information for the range of From The fourth line contains table information for the range of To Action None There are 6 users of function C7ALWOPC RULO C7CTWLKS LS0
231. ormation field SIO Signaling information octet Table 1 2 Fields of a signal unit Sheet 1 of 2 Field Backward indicator bit BIB Backward sequence number BSN Check bits Flag Description Part of the basic error control method which performs signal unit sequence control and acknowledgement functions Sequence number of the signal unit that is acknowledged Indicates16 bits for error detection Indicates the start or end of a signal unit DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 8 Maintenance summary Table 1 2 Fields of a signal unit Sheet 2 of 2 Field Description Forward indicator bit FIB Part of the basic error control method which performs signal unit sequence control and acknowledgement functions Forward sequence number FSN Indicates sequence number of the signal unit Length indicator LI Indicates the number of octets to follow 0 FISU 1 or 2 LSSU greater than 2 MSU Signal information field SIF Contains signaling information Service information octet SIO Contains the service indicator SI 0 1 or 2 MTP 3 SCCP 5 ISUP Contains the sub service field SSF which indicates if the message is for the national or international network This field also indicates the message priority Present only in MSUs Status Contains links status indications TCAP messages A TCAP message has two parts the transaction part and the compo
232. ortel Networks Publication history July 2000 March 2000 2000Q2 Standard 06 01 The CSP14 feature 59019359 HMI Enhancement C7LKSET and C7ROUTER MAP Levels creates a new MAP output START_OUTAGEB when you try to busy the last link in a linkset or the last external router MSH14 features 59020254 and 59020291 add a message that is displayed when SS7 messaging is performed by the Universal Signaling Point USP The following command descriptions have been modified e BSY at the C7LKSET level e BSY at the C7ROUTER level e C7LKSET and C7RTESET at the CCS7 level e BSY OFFL QUERYFLT RTS and TRNSL at the C7RTESET level 2000Q1 Standard 05 01 The STP Multiple Point Code feature adds a new response to the following commands for the Signaling Transfer Point STP product e POST at the C7LKSET level e POST at the C7RTESET level e TRNSL at the C7RTESET level DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 iv Publication history August 1999 99Q2 Standard 04 01 CSP12 features changed the following commands e at the C7RTR directory ACTIVATE DEACTIVATE DOWNLOAD_MTP e at the C7LKSET level QUERYRES DEACT e at the C7TULINK directory SELECT STATUS Created new MLIU level March 1999 99Q1 Standard 03 01 The SEAS and PVC levels have been updated to reflect the SEAS Restructuring future for STP04 2 release December 1998 98Q4 Standard 02 01 The following sect
233. oubleshooting a link that continually fails and recovers e Troubleshooting a message sink e Troubleshooting an ASU e Troubleshooting an F bus and F bus taps e Troubleshooting links and linksets e Troubleshooting remote point codes e Troubleshooting remote subsystems e Troubleshooting routes and routesets DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 2 Advanced troubleshooting procedures How to determine the cause of a failed link Application Use this procedure to to determine the cause of a failed link Definition Link failures can be caused by one of the following types of failures e a failure at an end office e one out of one link in a linkset fails e one out of two links in a linkset fails e two out of two links in a linkset fail The following three figures show the logs that are generated at the end offices for each type of link failure Logs generated when one out of one link fails DMS STP Linkset and routeset Linkset and routeset One out of one link fails Failure logs Failure logs CCS167 Route restricted CCS101 Link failures CCS164 Link unavailable CCS175 Routeset restricted CCS167 Route restricted PM and ISUP C7UP logs may follow for STPs and SSPs 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 3 How to determine the cause of a failed link continued Logs generated when one out of two links fails DMS STP DMS
234. output Meaning and action External Routing has been activated Meaning LIU7s are now routing ISUP messages Action None External Routing is already active in the office Do you want to reactivate External Routing y n Meaning LIU7s are already routing ISUP messages Action Enter y yes to reactivate external routing or n no to deactivate external routing The Routing Status is not sufficient to activate External Routing Bring more routers into service No action taken Meaning External routing is not activated Action Bring more routers into service Refer to table C7ROUTER There are CCS7 DTCs or SPMs in transient states Use the C7RTR QUERY_EXT_ROUTING command to find out which ones or check for DDM logs Meaning The CCS7 DTCs are not in a DDM stable state Action No action taken The External Routing Activation data was not distributed successfully to all nodes Re activate or wait for a DDM audit to correct the data Also check for DDM logs for specification of problem nodes Meaning Data distribution manager has not distributed the external routing information to all nodes Action Reactivate external routing or wait fora DDM audit to correct the data Examine DDM logs for problems The C7ROUTER table must be datafilled with a minimum of routers to activate external routing Please datafill more routers Meaning External routing has not been activated DMS 10
235. ows this parameter Iset_name This variable specifies the name of the linkset to be monitored The valid entry is an alphanumeric string msg_code This variable specifies the type of message netwk_ This variable specifies the network indicator of the message The valid entries are as indicator follows INTLSP e NATL e NATLSP e ALL NTC This parameter specifies that the network type of the message to be monitored is NTC7 o_areantw This variable specifies the originating point code OPC area network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 monitors all area networks 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 53 MONITOR continued Parameters and variables Sheet 6 of 8 MONITOR command parameters and variables Command o_austsgpt o_austzone o_chnsgpt o_chnzone o_exchange o_gersgpt O_group o_hvst o_intlsgpt o_intlzone o_kvst oO member o_network o_numarea Parameters and variables This variable specifies the OPC signal point of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all signal points This variable specifies the OPC zone of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 monitors all zones This variable specifies the OPC signal point of the CCITT message in format CHINA The valid entry range is 0 to 8
236. pecified percentage of trunks are locked out due to a remote line controller RLC timeout An ISUP trunk has timed out waiting for acknowledgement of the first RSC sent The DDM has successfully transferred data to a PM 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 13 Table 2 1 Summary of CCS7 network logs Sheet 12 of 14 Log DDM101 DDM102 DDM103 DDM104 DDM105 DDM106 DDM107 DDM108 IDPL logs IDPL300 IDPL800 IDPL801 IDPL810 IDPL811 IDPL900 OMAP logs OMAP 100 OMAP110 Definition The DDM failed to download distributed data to a PM The DDM failed to download an update to the distributed data to a PM The DDM successfully completed the downloading of data to a node for a single table The DDM cannot maintain data in a PM and is caused by node failure or when the DDM is unable to download tables Data was successfully downloaded to a PM An audit of the distributed data failed An attempt to retrieve operational measurement data failed An error was detected on the link interface module LIM CCS7 data in the LIUs connected to the LIM may be corrupted An IDPL audit reports the detection and correction of identifiers that are reserved but not used The identifiers can be used Created when 80 of the maximum number of specified identifiers are in use Created when the maximum number of specified identifiers are in use ACCS7 server running applications that use identif
237. pecifies the DPC signal point of the CCITT message in format GERMAN The valid entry range is 0 to 8 The entry of 8 monitors all signal points d_group This variable specifies the DPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 d_hvst This variable specifies the DPC Hauptvermittlungsstelle Tandem Level Switching Exchange fora CCITT message in format GERMAN The number ranges from 0 to 8 d_intlsgpt This variable specifies the DPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all signal points d_intlzone This variable specifies the DPC zone of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 monitors all zones d_kvst This variable specifies the DPC Knotenvermittlungsstelle Trunk Tandem Switching Exchange for a CCITT message in format GERMAN The number ranges from 0 to 16 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 51 MONITOR continued Parameters and variables Sheet 4 of 8 MONITOR command parameters and variables Command d_member d_network d_numarea d_pc d_region dpc_areaunit dpc_cluster dpc_ mainarea dpc_mem dpc_netwk dpc_sigpoint Parameters and variables This variable specifies the DPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 monitors al
238. play a list of commands for the C7SARCRP directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response The following commands are part of the C7SARCRP increment SET This command sets the functionality of either SAR or CRP to either ON or OFF on a per subystem basis or for all subsystems STATUS This command provides information on the state of functioanlity of SAR or CRP for a specific subsystem or for all subsystems QUIT Leaves the C7SARCRP command increment HELP Provides information about the commands in the C7SARCRP directory Explanation C7SARCRP commands display 297 8991 545 Standard 06 01 July 2000 C7SARCRP directory commands 10 3 HELP end Responses The following table describes the MAP responses Command responses Responses for the HELP command MAP output MODULE Meaning and NOT LOAD action ED OR NEEDS OTH ER CI INCR EM ENT TO BI EK BUILT Meaning The directory you are trying to access is not loaded or must be accessed through another directory Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 10 4 C7SARCRP directory commands QUIT Command QUIT Directory C7SARCRP Function Use the QUIT command to exit out of
239. r SLO NETWORK 2 PRIORITY 1 SERV IND 3 C7 LABEL DPC ANSI7 200 001 004 OPC ANSI7 200 002 001 SLS S7 DATA FOLLOWING ROUTING LABEL 09 00 03 05 07 02 Cl FE 02 Cl FE 3B E4 39 C7 04 00 CO 41 00 E8 31 E9 2F CF 02 00 00 DO 02 04 01 F2 25 84 06 08 00 01 03 11 00 84 09 04 00 21 OA 19 39 26 10 65 DF 41 04 41 C1 20 C3 84 09 05 00 21 OA 07 54 55 34 12 7 19 29 30 Intercepting CCS7 messages If you have access to the password protected C7TULINK_ILPT7 you can intercept messages using the INTERCEPT command You can intercept a 297 8991 545 Standard 06 01 July 2000 Trouble isolation and correction methods 4 11 message before it enters the CCS7 network or after it exits the network To intercept specific CCS7 messages make an entry in the match table Note The maximum number of entries in the match table including both monitor and intercept entries is eight CAUTION Service disruption Never use the intercept capabilities of C7TU in an operating office environment or all CCS7 messaging traffic that matches the selection criteria will be halted in the selected node The following rules apply to the INTERCEPT command e All intercept entries in the match table must come before monitor entries in the table e Each INTERCEPT command must be followed by a corresponding MONITOR command Note For loop around trunks on a single switch monitor only incoming messages and intercept only outgoing messages Limit
240. r inhibited at the far end The link maintains synchronization and when the far end has recovered is ready for traffic A CCS link has recovered from a remote processor outage RPO A CCS link has been manually deactivated A CCS7 link test has failed on the specified link A CCS7 link has reached sync state but could not nail up reserve the link As a result the next computing module restart will cause the link alignment to be lost The CCS subsystem generates log report CCS120 hourly to provide detailed performance information on any CCS7 link that has exceeded threshold values as determined by the operational measurements associated with this log A link already perceived by MTP level 3 as unavailable to SS7 user part message traffic has undergone a minor state change The state change may be due to inhibiting or uninhibiting at MTP level 3 or failure restoration or activation of the link at MTP level 2 The link remains unavailable if one or more link outage conditions persists A key high speed link performance parameter crosses a predefined threshold value A key high speed link performance parameter crosses a predefined threshold value A user part unavailable UPU message has been received by the MTP layer in the CM The local user part status has changed The UPU message has been directed by the MTP to an unavailable user part The CCS7 subsystem generates log CCS146 when a message transfer part MTP restart proc
241. re downloaded on the XPMs Please activate LIU7 routing and remove routing tables from XPMs before enabling 8 bit SLS load balancing Meaning The command failed 8 bit SLS load balancing requires LIU7 routing if activated on a non ANSI network type Action Activate LIU7 routing and remove routing tables from extended peripheral modules XPM PDTC type peripheral detected in table LTCINV is not supported with 8 bit SLS load balancing when routing tables are downloaded on the XPMs Please activate LIU7 routing and remove routing tables from XPMs before enabling 8 bit SLS load balancing Meaning The command failed 8 bit SLS load balancing requires LIU7 routing if activated on a network in which PCM digital trunk controllers PDTC exist Action Activate LIU7 routing and remove routing tables from extended peripheral modules XPM DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 12 SLS8BIT directory commands HELP Command HELP Directory SLS8BIT Function Use the HELP command to view a list of commands available at the SLS8BIT level Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the HELP command gt HELP MAP response HELP Help for the SLS8BIT utility ENABLE activate 8 bit SLS DISABLE deactivate 8 bit SLS DISPL Display whether 8 b
242. rea network of the CCITT message in format INTL The valid entry range is 0 to 256 The entry of 256 intercepts all area networks This variable specifies the OPC signal point of the CCITT message in format AUSTRIA The valid entry range for is 0 to 32 The entry of 32 intercepts all signal points This variable specifies the OPC zone of the CCITT message in format AUSTRIA The valid entry range is 0 to 32 The entry of 32 intercepts all zones This variable specifies the OPC signal point of the CCITT message in format CHINA The valid entry range for is 0 to 8 The entry of 8 intercepts all signal points This variable specifies the OPC zone of the CCITT message in format CHINA The valid entry range is 0 to 16 The entry of 16 intercepts all zones This variable specifies the OPC exchange of the CCITT message in format CHINA The valid entry range is 0 to 128 The entry of 128 intercepts all exchanges This variable specifies the OPC signal point of the CCITT message in format GERMAN The valid entry range is 0 to 8 The entry of 8 intercepts all signal points This variable specifies the OPC group number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 35 INTERCEPT continued Parameters and variables Sheet 8 of 10 INTERCEPT command parameters and variables Command o_hvst o_intlsgpt o_intlzone o_k
243. rmance Monitoring Procedures for assistance in returning the link to service CCS165 no alarm Far end office generated a CCS7 protocol violation Set threshold CCS167 major A CCS7 route has restricted level of network routing Set threshold CCS168 major A CCS7 route has no service for network routing Keep a record of each occurrence DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 16 CCS7 network logs Table 2 2 CCS7 network priority logs Sheet 2 of 3 Log CCS169 CCS170 CCS171 CCS172 CCS174 CCS175 CCS186 CCS201 CCS202 CCS203 CCS204 CCS206 CCS207 CCS224 Alarm class no alarm no alarm no alarm no alarm no alarm major major no alarm no alarm no alarm no alarm no alarm no alarm no alarm Action ACCS7 route has received an invalid network message Set threshold to monitor Verify CCS7 data to ensure that linksets and routesets are properly defined at both the local and far end office Verify CCS7 data to ensure that linksets and routesets are properly defined at both the local and far end office Investigate reasons for congestion in the network CCS7 messages that originate in the central control communication module CC CM core have invalid destination point codes DPC Monitor the log and inform next level of support If the route has failed try to recover the route If a transfer prohibited TFP message was rec
244. rs Possibility of service interruption or degradation CAUTION Possible loss of service Before continuing confirm that you are removing the card from the inactive unit of the peripheral module Subscriber service will be lost if you remove a card from the active unit How commands parameters and responses are represented Commands parameters and responses in this document conform to the following conventions DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 xiv About this document Input prompt gt An input prompt gt indicates that the information that follows is a command gt BSY Commands and fixed parameters Commands and fixed parameters that are entered at a MAP terminal are shown in uppercase letters gt BSY CTRL Variables Variables are shown in lowercase letters gt BSY CTRL ctrl_no The letters or numbers that the variable represents must be entered Each variable is explained in a list that follows the command string Responses Responses correspond to the MAP display and are shown in a different type FP 3 Busy CTRL 0 Command request has been submitted FP 3 Busy CTRL 0 Command passed The following excerpt from a procedure shows the command syntax used in this document 1 Manually busy the CTRL on the inactive plane by typing gt BSY CTRL ctril_no and pressing the Enter key where ctrl_no is the number of the CTRL 0 or 1 Example of a MAP response
245. ry commands QUIT end Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT CLEAR MAP response CEU Explanation This command exits the C7TULINK directory and displays the C7TU MAP level Entering the QUIT command again displays the Cl MAP level Responses The following table describes the MAP responses Command responses Response for the QUIT command MAP output Meaning and action C7TU Meaning You have returned to the C7TU MAP level Action Enter the QUIT command again to return to the Cl MAP level 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 61 REMOVE Command REMOVE Directory C7TULINK Function Use the REMOVE command to remove the following e amonitor or intercept request from the match table e a link that was previously selected with the SELECT command e amessage that was entered by the build command from the message table Usage notes Use the STATUS command to display the match table before using the REMOVE command Command parameters and variables The following table describes the command parameters and variables Parameters and variables REMOVE command parameters and variables Command Parameters and variables REMOVE MATCH ALL MESSAGE number Item Description ALL This parameter specifies that all entries be removed MATCH This parameter removes an entry
246. s Query without permission Yes No Conversation with permission No Yes Conversation without permission Yes Yes Response Yes Yes Abort No Yes Indicates the sequence of a message in a string of messages associated with a transaction Indicates the length of the component sequence identifier field Provides message encoding and decoding functions Each message contains one or more of the following types of components e Invoke invokes an application specific operation at a remote node e Return result returns the results of a successful operation e Return error reports an operation that has failed e Reject reports TCAP protocol violation including message format errors and TCAP errors in procedure ISUP messages ISUP signaling sets up monitors and takes down CCS7 calls on ISUP signaling trunks ISUP allows the following enhanced trunk call processing capabilities e faster call setup e shorter holding times for call attempts that are not successful e ability to carry voice and data at the same time DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 12 Maintenance summary Figure 1 4 shows where ISUP messages are in the MSU Figure 1 5 shows the format of an ISUP message Table 1 4 describes the parts of an ISUP message Figure 1 4 ISUP messages in message signal unit 8 16 8 26 17 1 7 8 i i AA A ISUP message Routing label Bits Optional Mandatory Mandatory Message Circui
247. s are service impacting user activates UPU functionality the se to have traffic should for some ser become UNAVAILABLE No UPU ACT lt SI gt Activate DEACT lt SI gt Deactivat STATUS Saka since Display U QUTT 5 jancsi XLE C UP BSP S e aortes ati Display t WARNING The ACT and WARNING Once the SI WARNING user may cea WARNING reason the u WARNING messages ar Meaning The response lists the commands available at level C7UP and their functions The warning indicates that enabling or disabling user part unavailable UPU functionality impacts traffic Traffic on a user part UP will stop if UPU is enabled and the UP becomes UNAVAILABLE Action None generated for deactivated users DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 13 8 C7UP directory commands QUIT Command QUIT Directory C7UP Function Use the QUIT command to exit out of the C7UP directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response CI Explanation You have exited out of the C7UP directory Responses None 297 8991 545 Standard 06 01 July 2000 C7UP directory commands 13 9 STATUS Command STATUS Directory C7UP Function Use the STATUS command to query the status of User Part Unavailable UPU functionality on ser
248. s step or go directly to step 8 In the case of a regional DMS STP switch this step can be very time consuming Remove datafill entries in table C7GTT that are dependent on entries in table C7NETSSN Remove and reenter the remote point code in table C7 NETSSN If the problem Do still exists Step 7 no longer exists Step 11 This is an optional step You can continue with this step or go directly to step 8 Remove and reenter the routeset If the problem Do still exists Step 8 no longer exists Step 11 The problem is likely a software problem If you Do have access to PROTEL soft Step 9 ware listings do not have access to PROTEL Step 10 software listings Troubleshoot the software or contact the personnel responsible for the next level of support Monitor log buffers in the CM MS LIM and link interface unit LIU and test for indications of software problems such as SWERRS and traps Debug software using the debug utility and the PROTEL program listings DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 32 Advanced troubleshooting procedures Troubleshooting remote point codes end 10 For further assistance contact the personnel responsible for the next level of support 11 You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 33 Troubleshooting remote subsystems Application Use this procedure to troubleshoot remote
249. s to the displayed link Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 14 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Command responses Sheet 4 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Buffering Msgs for Link lt linkset name gt lt gt lt link state gt LIU7 lt gt lt PM state gt Meaning External routing is active Router lt router numbers gt is buffering messages for the link that is displayed Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Buffering Msgs for Route lt gt lt routeset name gt lt gt lt linkset name gt Meaning External routing is active Router lt router number gt is buffering messages for the route that is displayed Action None External routing Active Current routing path SLS lt gt DTC lt gt Routing Msgs to Router lt gt State LIU7 lt gt lt PM state gt Router lt gt Discarding Msgs Unavail Routeset lt routeset name gt 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 15 TRNSL_TRK_ROUTING continu
250. shoot an application specific unit ASU that does not respond to trouble clearing procedures in other maintenance documents ASU is a generic term for units that are mounted on a link interface shelf LIS or single shelf link peripheral processor SSLPP shelf These units include e CCS7 link interface units LIU7 e multiple link interface units MLIU e high speed link interface units HLIU e high speed link router HSLR e Ethernet interface units EIU This procedure describes how to troubleshoot an ASU that cannot be busied or returned to service Use this procedure after basic troubleshooting methods have failed It is assumed that ASU cards were changed as part of the basic troubleshooting Common procedures Action None Follow the steps to perform the procedure Troubleshooting an ASU At your current location 1 Review maintenance actions taken to date Repeat if necessary If the problem Do still exists Step 2 no longer exists Step 9 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 22 Advanced troubleshooting procedures Troublehshooting an ASU end Verify all related datafill tables Check table LIUINV to make sure that the type of ASU specified is correct and table SUSHELF to make sure that the type of shelf specified is correct If the datafill Do is correct Step 4 is not correct Step 3 Correct the datafill If the problem Do still exists Step 4 no longer exists S
251. sient states DTCO DTEL DCS Meaning DTCs 0 1 and 3 are in a DDM transient state Action None 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 17 QUERY_EXP_RTESETS Command QUERY_EXP_RTESETS Directory C7RTR Function Use the QUERY_EXP_RTESETS command to list any expanded routesets in the office Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUERY_EXP_RTESETS command gt QUERY_EXP_RTESETS MAP response Expanded Routesets are e RS CCS 21 t RS CCS2 e RSI CCS 3 e RS_CCS_4 Explanation Expanded routesets are in the office The MAP display lists the expanded routesets DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 18 C7RTR directory commands QUERY_EXP_RTESETS end Responses The following table describes the MAP responses Command responses Responses for the QUERY_EXP_RTESETS command MAP output Meaning and action No expanded routesets Meaning Expanded routesets are not in the office Action None Expanded routesets are RS_CCS_1 RS CES 2 RS_CCS_3 e RS_CCS_4 Meaning The command lists the expanded routesets Action None 297 8991 545 Standard 06 01 July 2000 C7RTR directory commands 8 19 QUERY _MAX_RTESETS Command QUERY_MAX_RTESETS Directory
252. sion The following elements can be altered e the message length e the routing label DPC OPC SLS e specific bytes in the messages Figure 4 11 shows an example of the ALTER command The example shows a CCITTISUP message in the message table being changed to an ACM message Entry 0 in the message table is being altered The data is changed starting with byte 13 The MAP display shows the entry before and after the change Figure 4 11 Example of the ALTER command gt ALTER 0 DATA 13 06 16 04 00 00 MAP display before changes C7TU MESSAGE SIO DPC ORG iss NUM TYPE LENGTH NI PR SI XXXX XXXX XXXX XXXX XXXX 0 RSC 14 0 2 ISUP DEFAULT ROUTING LABEL MESSAGE BYTES Dood 20 2 4 36 8 O LO Tt be Le 14 TS 1bs lt s 08 00 FD 04 FD FD 25 00 90 00 00 F4 01 12 No user defined DISPLAY PRINT procedure provided MAP display after changes have been entered C7TU MESSAGE SIO DPC OPET GS NUM TYPE LENGTH NI PR SI XXXX XXXX XXXX XXXX XXXX 0 ACM 18 0 2 ISUP DEFAULT ROUTING LABEL MESSAGE BYTES Do De 2 BA EB 6 TP Be OPO LE TA 13 1A Te IE Pe 08 00 FD 04 FD FD 25 00 90 00 00 F4 01 06 16 04 00 00 No user defined DISPLAY PRINT procedure provided DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 4 16 Trouble isolation and correction methods Sending the CCS7 messages you build Use the SEND command to send messages you build The following information must be known before a message is sent e
253. sponses Command responses Responses for the ALTER command MAP output Meaning and action MESSAGE NUMBER lt num gt HAS NOT BEEN BUILT YET Meaning You entered a message number that has not been built in the message table The ALTER command exits Action Retry the ALTER command with a valid message number THE OFFSET DOES NOT FALL WITHIN THE DEFINED MESSAGE AREA Meaning You entered a bytes offset that is outside the current length of the test message The test message displays in the same format as the display command The ALTER command exits Action Retry the command with the correct offset DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 10 C7TULINK directory commands BUILD Command BUILD Directory C7TU C7TULINK Function Use the BUILD command to add a test message to the C7TU message table Usage notes CAUTION The system cannot distinguish between CCS7 test messages and normal CCS7 messages once they are sent into the network Display the CCS7 message using the C7TU DISPLAY command Insert the command on the link using the C7TU SEND command 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 11 BUILD continued Command parameters and variables The following table describes the command parameters and variables Parameters and variables Sheet 1 of 7 BUILD command par
254. ss 2 signaling connection control part SCCP 297 8991 545 Standard 06 01 July 2000 CCS7 network operational measurements 3 3 Table 3 1 CCS7 network OM groups Sheet 3 of 3 Group C7SCCPX C7SMH FBTRAFF LIUFBUS NCMCPUST PM PMTYP TCAPERRS TCAPUSAG Description Provides information on the performance and use of extended unit data and extended unit data service messages Provides information on Signaling Message Handling SMH congestion for CCS7 links The OM group consists of 16 registers These registers count discarded messages congestion level changes and congestion level durations when an overload of the SMH processor SMHP occurs Monitors traffic OMs for the following F bus platforms in a DMS office e link interface unit LIU7 e high speed link interface unit HLIV e high speed link router HSLR e multiple link interface unit MLIU e Ethernet interface unit EIU e X 25 link interface unit XLIU application processing unit APU voice processing unit VPU e network interface unit NIU e frame relay transport unit FRIU Provides information about traffic at the frame bus FBUS interface Provides information about the CPU occupancy of the non computing module CM node types Counts errors faults and maintenance state changes for DMS peripheral modules PM with node numbers This group performs separate counts for each PM that associates with a DMS switch The d
255. t part variable part fixed part type soa a Legend BSN Backward sequence number LI Length indicator FSN Forward sequence number MSU Message signal unit ISUP ISDN user part SIF Signaling information field SIO Signaling information octet 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 13 Figure 1 5 Format of an ISUP message Floating Circuit Message Mandatory label ID code type code parameters Ato F lL Mandatory fixed part oo Pointers to Pointer Length Parameter Length Parameter parameters to indicator M indicator P M to P optional of A of LA an part parameter V parameter Y P P Mandatory variable part Parameter Length Parameter End of name indicator M optional A X of parameters parameter X Optional part Table 1 4 Parts of an ISUP message Sheet 1 of 2 Part Description Routing label Contains destination point code DPC origination point code OPC and signaling link selector SLS For each circuit connection the routing label must remain constant for each message that the system transmits in the same direction Circuit Uniquely identifies each message with an appropriate ISUP identification trunk to a specified routeset code CIC Message type Indicates the function and format of the ISUP message DMS 100 Fami
256. taken Meaning There are routesets datafilled with a tuple index greater than 255 expanded These tuples must be deleted or moved to a lower index before MTP can be downloaded to DTCs Action Use the QUERY_EXP_RTESETS command to list the expanded routesets delete them before executing the DOWNLOAD_MTP command again Routing tables cannot be downloaded with 8 bit SLS load balancing active and non ANSI network datafilled in table C7NETWRK Please deactivate 8 bit SLS load balancing or remove the non ANSI network before downloading routing tables DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 8 10 C7RTR directory commands DOWNLOAD _MTP continued Command responses Sheet 2 of 3 Responses for the DOWNLOAD_MTP command MAP output Meaning and action Meaning The 8 bit signaling link selection SLS Load Balancing option is activated and non ANSI network is datafilled in table C NETWRK Routing tables could not be downloaded Action Deactivate the 8 bit SLS Load Balancing option or remove the non ANSI network before executing the DOWNLOAD_MTP command again Routing tables cannot be downloaded with 8 bit SLS load balancing active and a PDTC peripheral datafilled in table LTCINV Please deactivate 8 bit SLS load balancing or remove the PDTC peripherals before downloading router tables Meaning The 8 bit SLS Load Balancing option is active and a PCM30 digital trunk controller PDTC
257. tatus External Routing Active TP Tables Downloaded CCS7 DIGS DDM Stable Meaning External routing is active Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 6 C7RTRQRY directory commands QUERY_EXT_ROUTING end Commmand responses Sheet 2 of 2 Example of the QUERY_EXT_ROUTING command MAP output Meaning and action External routing status External Routing Active or Inactive TP Tables Downloaded or Removed CCST DICs DDM Stable or Transient These nodes are in transient states DTCO DTC1 DTC3 Meaning DTCs 0 1 and 3 are in a DDM transient state Action None 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 7 QUIT Command QUIT Directory C7RTRORY Function Use the QUIT command to exit out of the C7RTRQRY directory Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the QUIT command gt QUIT MAP response CI gt Explanation You have exited out of the C7RTRQRY directory DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 8 C7RTRQRY directory commands TRNSL_TRK_ROUTING Command Directory Function Usage notes TRNSL_TRK_ROUTING C7RTRORY Use the TRNSL_TRK_ ROUTING command to display the following information the exter
258. tep 9 Check for SWERRs traps and other indications of a software problem If a software problem Do is indicated Step 6 is not indicated Step 5 The problem is probably the backplane Go to Step 8 The problem is probably a software problem If you Do have access to PROTEL soft Step 7 ware listings do not have access to PROTEL Step 8 software listings Troubleshoot the software or contact the personnel responsible for the next level of support Monitor log buffers in the CM MS LIM and link interface unit LIU and test for indications of software problems such as SWERRS or traps Debug the software using the debug utility and the protel program listings For further assistance contact the personnel responsible for the next level of support You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 23 Troubleshooting an F bus and F bus taps Application Use this procedure to troubleshoot an F bus and F bus taps that do not respond to procedures described in other maintenance documents Definition This procedure describes how to troubleshoot an F bus or F bus taps that are system busy This procedure begins after basic troubleshooting methods have failed It is assumed that F bus cards were changed as part of the basic troubleshooting Organization of a two slot LIU7 To LIM unit 0 To LIM unit 1 F bus F bus F bus F bus extender terminator
259. the DISABLE command MAP Meaning and action output 8 bit SLS is deactivated Meaning The command was successful 8 bit SLS is now inactive Action None a EL00009 must be soc_on to activate deactivate 8 bit SLS Meaning The command failed because SOC option TEL00009 is not active Action Set the state of SOC option TEL00009 to ON All B D link linksets must have a maximum of 8 links per linkset Meaning Deactivation failed The existing B links D links or both have more than 8 links for each linkset Action Remove the additional links and enter the command again 8 bit SLS is currently being activated Meaning 8 bit SLS is in the process of being activated Command DISABLE functions only when 8 bit SLS is fully activated Action Wait until the 8 bit SLS is in the stable activated state and enter the DISABLE command again Use the DISPL command to check the state of the 8 bit SLS 8 bit SLS is currently being deactivated Meaning Command DISABLE has already been entered 8 bit SLS is in the process of being deactivated Action None 8 bit SLS is already deactivated Meaning Command DISABLE has already been entered 8 bit SLS is not active Action None DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 4 SLS8BIT directory commands DISABLE continued Command responses Sheet 2 of 3 Responses for the DISABLE command ALLOCATION OF PROCESS POOL HAS FAILED
260. the DMS STP switch If the link problem Do no longer exists Step 12 still exists Step 11 DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 6 6 Advanced troubleshooting procedures How to determine the cause of a failed link end 10 The problem is in the office at the other end of the link DMS SP SSP DMS SCP Change the LIU7 MLIU HLIU or HSLR circuit cards in the office at the other end of the link DMS SP SSP DMS SCP If the link problem Do no longer exists Step 12 still exists Step 11 11 Verify the LIU7 MLIU HLIU or HSLR cabling and perform continuity tests on each lead within the cable 12 Return the link to service If you had network controls invoked contact the network management administrator to have controls removed Monitor the link s performance until you are sure the problem is no longer occurring 13 You have completed this procedure 297 8991 545 Standard 06 01 July 2000 Advanced troubleshooting procedures 6 7 Troubleshooting a facility fault Application Use this procedure to troubleshoot facility faults in a failed link Definition A facility fault is caused by failed cables or carrier equipment such as repeaters channel banks and digital cross connects Use a hardware loopback test to find the location of a facility fault Figure Example of a hardware loopback test shows an example of a loopback test conducted from the node Identifying a facility fault ea
261. tricted The SCCP management receives a message acknowledgement UDTS The DMS software is in error for requesting the return or another node in the network is in error for returning the message The status of a local subsystem changes to in service trouble A local subsystem is in service trouble if less than the minimum number of instances specified in table C7LOCSSN of the subsystem are in service or in service trouble The status of a local subsystem instance changes to offline from the MAP terminal The status of a local subsystem instance changes to manual busy from the MAP terminal The status of a local subsystem instance changes to system busy The status of a local subsystem instance changes to in service 297 8991 545 Standard 06 01 July 2000 CCS7 network logs 2 9 Table 2 1 Summary of CCS7 network logs Sheet 8 of 14 Log CCS236 CCS237 CCS238 CCS240 CCS241 CCS242 CCS243 CCS244 CCS249 CCS250 CCS251 CCS252 Definition The status of a local subsystem instance changes to in service trouble In this state the instance only receives messages pertaining to currently active transactions No new transactions will start at that instance A request for removal from service by a local subsystem has been granted or denied from a remote node The granting of permission may or may not result in removal from service of the local subsystem An invalid co ordinated state change control CSCC
262. troller routeset_no This variable specifies the name of the routeset DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 9 10 C7RTRQRY directory commands TRNSL_TRK_ROUTING continued Usage examples The following table provides an example of the command Command example Example of the TRNSL_TRK_ROUTING command gt TRNSL_TRK_ROUTING DTC 0 RS212001 where 0 is the dtc_number RS212001 is the circuit identification code cic MAP response External Routing Inactive SLS 0 to 31 are cycled through on a per call basis Current routing path SLS 0 DTC 0 Routing Msgs to Link LS029000 0 InSV LIU7 40 InSv Explanation External routing is not active and ISUP messages are routed to link LS029000 0 The display continues for all 31 signaling link selection SLS codes The information is displayed according to the following formula SLS lt gt DTC 0 Routing Msgs to Link lt linksetname gt lt gt lt linkstate gt LIU7 lt gt lt PMstate gt 297 8991 545 Standard 06 01 July 2000 C7RTRQRY directory commands 9 11 TRNSL_TRK_ROUTING continued Responses The following table describes the MAP responses Command responses Sheet 1 of 12 Responses for the TRNSL_TRK_ROUTING command MAP output Meaning and action External routing Inactive Current routing path SLS lt gt DTC Routing Msgs to Link lt linkset name gt lt gt lt link state gt
263. ts all subareas This parameter identifies the format of the CCITT test message to intercept This variable string specifies the new hex bytes in the message body The new hex bytes override existing hex bytes This parameter identifies the format of the CCITT test message This parameter identifies the format of the CCITT test message This parameter specifies that the network type of the message to be intercepted is JAPAN This parameter allows the user to input the network data of the message This parameter indicates that the specified linkset will be intercepted The linkset name follows this parameter This variable specifies the name of the linkset to be intercepted The valid entry is an alphanumeric string This variable specifies the type of message DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 34 C7TULINK directory commands INTERCEPT continued Parameters and variables Sheet 7 of 10 INTERCEPT command parameters and variables Command netwk_indicator NTC O_areantw o_austsgpt o_austzone o_chnsgpt o_chnzone o_exchange o_gersgpt O_group Parameters and variables This variable specifies the network indicator of the message The valid entries are as follows e INTL INTLSP e NATL e NATLSP e ALL This parameter specifies that the network type of the message to be intercepted is NTC7 This variable specifies the originating point code OPC a
264. u commands The commands used at a MAP position belong in one of two categories These categories are menu and non menu For a description of menu commands see the CCS7 network menu commands chapter in this document Non menu commands are not associated with a MAP display A non menu command is entered at the its associated directory or directory level Note To display a list of non menu commands available from the accessed directory enter the following command gt PRINT dir and press the Enter key where dir is the name of the accessed directory Command conventions used The following sections describe the commands conventions used in this manual Command example table In the Command example table the command word and any expansion elements are represented in uppercase boldface except where the lowercase is required by case sensitivity All variable names are replaced with an example value and are described below the command syntax Command parameters and variables table The Command parameter and variables table consists of two sections The first section is the command expansion The command expansion represents the following characteristics e parameters e variables e hierarchy the order in which the user must enter the elements DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 7 44 CCS7 network non menu commands e syntax requirements of command strings e defaults The second sectio
265. udit cleans up any inconsistencies Transition timeout 8 bit SLS still deactivated Meaning The transition process exceeded the time out value but 8 bit SLS was still deactivated Action None An audit cleans up any inconsistencies DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 16 6 SLS8BIT directory commands DISPL Command DISPL Directory SLS8BIT Function Use the command DISPL to display the current state of 8 bit signaling link selection SLS Usage notes Set the state of SOC option TELO0009 to ON before entering this command Refer to the Software Optionality Control User Manual 297 8991 901 for more information on how to change the state of an option Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the DISPL command gt DISPL MAP response 8 bit SLS is activated Explanation The 8 bit SLS is in the active state 297 8991 545 Standard 06 01 July 2000 SLS8BIT directory commands 16 7 DISPL end Responses The following table describes the MAP responses Command responses Responses for the DISPL command MAP output 8 bit SLS is Meaning and action activated 8 bit SLS is 8 bit SLS is Meaning 8 bit SLS is in the activated state Action None deactivated Meaning 8 bit SLS is in the deactivated state Action None in activation tr
266. ummary 1 3 The International Telegraph and Telephone Consultative Committee CCITT Signaling System 7 SS7 defines the four layer protocol of CCS7 Figure 1 1 shows the four layer protocol of CCS7 Table 1 1 contains a description of the functions that occur at each protocol layer For more information refer to the Translations Guide DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 4 Maintenance summary Figure 1 1 CCS7 model CCS7 layers 4 Network application processes Transaction capabilities application part Presentation Session Transport ISDN user part Signaling connection control part Network Message 2 Link transfer part 1 Physical 297 8991 545 Standard 06 01 July 2000 Maintenance summary 1 5 Table 1 1 Functions of CCS7 protocol layers Sheet 1 of 2 Layer Message transfer part MTP SCCP Function Serves as a transport system for the transfer of signaling messages between the nodes in a network This level includes the following three levels e Level 1 implements channelization and framing on the link e Level 2 controls point to point connectivity performs error detection and correction synchronization and flow control assembles bits into signaling units e Level 3 with signaling connection control part SCCP controls end to end connectivity notifies other nodes of faults and their effects _ reconfigur
267. unctions and communication switching point capabilities for example with CCS7 databases and toll calls SSP Signaling Transports messages between CCS7 nodes transfer point STP Integrated node Combines the functions of an STP and an SSP INode Signaling links An SL consists of signaling terminal equipment and a transmission facility SLs exchange information between CCS7 nodes Figure 1 7 shows CCS7 SLs Table 1 6 describes the link types DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 1 16 Maintenance summary Figure 1 7 CCS7 signaling links Database l B link quad Database E link Table 1 6 CCS7 links Type Function A links B links C links D links E links F links Connect SPs SSPs and SCPs to STPs Connect mated STPs in a SL quad Connect two STP nodes to create an STP pair Connect secondary STP pairs to primary STP pairs not shown in figure 1 7 Connect SPs SSPs and SCPs to remote STP pairs Connect SPs SSPs and SCPs to each other Routes linksets and routesets A signaling message can follow different routes between nodes If one route fails the signaling message can use another route A routeset is the group of routes that a signaling message can take Each route uses a linkset to carry signaling messages A linkset is a collection of links Each link has a direct connection between two nodes in the network 297 8991 545 Standard 0
268. valid entry range is 0 to 15 This variable specifies the data to be placed in the array Separate each data byte with a space The valid entry range is multiple data bytes This variable specifies the number of the table entry to be changed The valid entry range is 0 to 7 297 8991 545 Standard 06 01 July 2000 C7TULINK directory commands 12 45 MATCH continued Usage examples The following table provides an example of the command Command example Example of the MATCH command gt MATCH 0 01 06 where 0 is the number of the table entry to be changed 01 is the first byte in which to enter data 06 is the data to be inserted into the match table MAP response C7TU MON SIO DPC OPC SLS TYPE NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET 0 BOTH ANSI ALL XX SNTS XXX XXX XXX XXX XXX XXX XXXSLTM OU A232 4S 6 Tg 10 Ly T2003 TA IS MATCH 00 05 00 00 02 00 00 00 00 00 05 11 00 00 00 00 MASK 00 FF 00 00 OF 00 00 00 00 00 00 FF 00 00 00 00 C7TU MON SIO DPC OPC SLS TYPE NUM DIR NET NI PR SI MEM CLU NET MEM CLU NET 0 BOTH ANSI ALL XX SNTS XXX XXX XXX XXX XXX XXXXXX SLIM 0L 2 SOA Se E T 89 FOLE 2 STAY A MATCH 00 06 00 00 02 00 00 00 00 00 05 11 00 00 00 00 MASK 00 FF 00 00 OF 00 00 00 00 00 00 FF 00 00 00 00 Explanation The byte offset value is changed DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 12 46 C7TULINK directory commands
269. variables CONVERT command parameters and variables Command Parameters and Variables CONVERT network_name pc_format Item Description network_name This variable specifies the name of the network to be converted pc_format This variable specifies the new point code formats Valid entries are German INTL2 and Basic in network type CCITT7 297 8991 545 Standard 06 01 July 2000 MTPCVRT directory commands 14 3 CONVERT continued Usage examples The following table provides an example of the command Command example Example of the CONVERT command gt CONVERT CCITT7_NET GERMAN where CCITT7_NET is the network name GERMAN is the PC format MAP response Conversion complete Explanation The network was successfully converted to format German Responses The following table describes the MAP responses Command responses Sheet 1 of 2 Responses for the CONVERT command MAP output Meaning and action PC format not allowed Meaning You attempted to convert an invalid point code format Action None Network lt network_name gt is not defined in table C7NETWRK Meaning You entered an invalid network name Action Retry the command with a valid network name No data defined for the network Meaning A network table error occurred This message rarely occurs Action Retry the command Wrong network type DMS 100 Family CCS7 Maintenance Guide
270. vated gt indicates whether UPU is active lt UPU User gt indicates whether the UP supports UPU functionality lt State gt is the state of the UP AVAILABLE indicates that the UP is able to receive messages UNAVAILABLE indicates that the UP is not able to receive messages UNEQUIPPED indicates that the UP is not equipped on the local switch Action None 297 8991 545 Standard 06 01 July 2000 14 1 14 MTPCVRT directory commands MTPCVRT directory commands Use the MTPCVRT directory to convert the network to the new specified point code PC format Accessing the MTPCVRT directory To access the MTPCVRT directory level enter the following command from the CI command interpreter level gt MTPCVRT and press the Enter key MTPCVRT directory commands The following commands are available at the MTPCVRT directory level The commands are arranged in alphabetical order e CONVERT e DISPLAY e HELP QUIT DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 14 2 MTPCVRT directory commands CONVERT Command CONVERT Directory MTPCVRT Function Use CONVERT command to convert a network to a new point code PC format For example use the command to convert a network from format Basic to format German or INTL2 or from format German or INTL2 to format Basic Usage notes None Command parameters and variables The following table describes the command parameters and variables Parameters and
271. vice indicators SI Usage notes None Command parameters and variables None Usage examples The following table provides an example of the command Command example Example of the STATUS command gt STATUS MAP response User Service UPU UPU State Part Indicator Activated User SCOP 3 y y AVAILABLE TUP 4 y y AVAILABLE ISDN_UP 5 n y AVAILABLE DUP_CALL_AND_CIRCUIT 6 n y AVAILABLE DUP_MAINTENANCE 7 n y AVAILABLE TEST_UP 8 n y AVAILABLE TUP_PLUS Ta n y AVAILABLE Explanation The response lists the status of all local MTP user parts DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 13 10 C7UP directory commands STATUS end Responses The following table describes the MAP responses Command responses Responses for the STATUS command MAP output Meaning and action User Service UPU UPU State Part Indicator Activated User SCCP 3 y AVAILABLE TUP 4 y y AVAILABLE ISDN_UP 5 n y AVAILABLE DUP_CALL_AND_CIRCUIT 6 n y AVAILABLE DUP_MAINTENANCE 7 n y AVAILABLE TEST_UP 8 n y AVAILABLE TUP_PLUS 15 n y AVAILABLE Meaning This is the normal response of the STATUS command The report consists of a two line header followed by one or more lines that contain information regarding the status of each user part UP in which lt USER PART gt is the name of the UP lt Service Indicator gt is the associated number of the UP lt UPU Acti
272. vst o_member o_network o_numarea o_pc o_region opc_areaunit opc_cluster Parameters and variables This variable specifies the OPC hauptvermittlungsstelle tandem level switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 8 This variable specifies the OPC signal point of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 intercepts all signal points This variable specifies the OPC zone of the CCITT message in format INTL The valid entry range is 0 to 8 The entry of 8 intercepts all zones This variable specifies an OPC knotenvermittlungsstelle trunk tandem switching exchange for a CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the OPC member number of the CCITT routing message in format INTL2 The valid entry range is 0 to 8 The entry of 8 intercepts all members This variable specifies the OPC network number of the CCITT routing message in format INTL2 The valid entry range is 0 to 16 The entry of 16 intercepts all networks This variable specifies the OPC number area of the CCITT message in format GERMAN The number ranges from 0 to 16 This variable specifies the OPC of the CCITT message in format BASIC The valid entry range is 0 to 16384 This variable specifies the OPC region of the CCITT message in format AUSTRIA or INTL2 The valid entry range for AUSTRIA is 0 to 16 The entry of 16 intercepts
273. ying to define its own network address which consists of point code and subsystem number An extended unit data XUDT or an extended unit data service KUDTS message is received from the CCS7 network that contains a bad optional parameter an incorrect or unknown optional parameter or an incorrect optional parameter length The local subsystem enters an alarm state with the Freephone Services alarm An instance of a local subsystem SSI which uses Connection Oriented SCCP experiences deload A local subsystem that uses Connection Oriented SCCP has experienced deload as aresult of at least one of its instances experiencing deload The rest of the subsystem instances SSI are in the in service Insv or in service trouble ISTB state DMS 100 Family CCS7 Maintenance Guide Volume 1 of 2 2000Q2 2 10 CCS7 network logs Table 2 1 Summary of CCS7 network logs Sheet 9 of 14 Log CCS253 CCS254 CCS402 CCS403 CCS404 CCS506 CCS601 CCS650 CCS651 CCS652 CCS701 CCS703 CCS730 CCS731 Definition This message is generated if a timeout has occurred during the reassembly of a XUDT message The message being processed has more than 1024 bytes of data A message is being processed that requires segmentation but the subsystem has not been enabled for segmentation and reassembly The system generates log CCS254 when message routing fails in the computing module CM Up to 14 ILLP paths have failed more tha

Common Channel Signaling 7

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