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Paradyne 317x User's Manual

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1. 2 7 Bonn dl sgg ead e A aa ewes E a E 2 8 Power Up SEE cuiua dedos daos bed d She abe Ghd Gh dade d d dd diee EE Dd 2 0 Overview This chapter contains information for installing your EI DSU CSU It includes application examples cabling Drop Insert port DTE It is connected to the network through the Network interface NETWORK The most and power up information e Application Examples The E1 DSU CSU is designed to provide an interface between E1 digital network and customer premises equipment The DSU CSU is connected to the customer premises equipment through one of the synchronous data ports PORTs 1 4 or the DTE LAN ROUTER DSU CSU common applications for the E1 DSU CSU are Point to Point LAN interconnection Figure 2 1 Shared access to network based services Figure 2 2 Fractional E1 network applications Figure 2 3 Wireless DACS Digital Access and Cross connect System applications Figure 2 4 Both voice and data applications are supported DSU CSU LAN ROUTER 496 14296a 02 Figure 2 1 Point to Point Application Example 3170 A2 GB20 20 December 1996 2 1 ACCULINK 317x E1 DSU CSU NETWORK SERVICES DSU CSU LAN ROUTER 496 14312 03 Figure 2 2 Shared Access Application Example LAN ROU
2. ed eda bende e red o dnd EE OT ESTE E 8 DS En COOL CS NHBE odes dead sed do P ES bee eee BO eara aquia E 10 Ihe Ds Praetonat Group DEVEL MIB 11 MIBTREL 1311 E 11 General Port Table RS 232 like E 11 Asynchronous Port Table RS 232 like E 12 Synchronous Port Table MIB s 1nd dd bk ed d hs odd ed CHR Gh Ea E 13 Input Signal Table RS5 232 ike MIB uuu uva nee X rro EX Y PEER E 13 Output Signal Table RS 232 like MIB ue RE Rea EE Gk ace RE Oa E 13 Generic Interface Extension MIB 1229 ee a EG 5 Ea Rc E 14 Generic Interface Test Table Generic Interface MIB E 14 Paradvne Enterprise MIB yerum E aor m paco 15 Correlation between Menu Commands and SNMP E 16 Ove rview applicable to the implementation of the DSU CSU The MIB II object groups supported or not supported by the This appendix describes the Management Information 31xx Series devices are as follows Base MIB objects that are supported by the 1 DSU CSU and provides a
3. EST BG OOF ALAM NETWORK OTR TAD RAO CYS RTS 493 1 4303 3170 A2 GB20 20 December 1996 Installation If the self test fails the Failed screen appears for five seconds The Fail LED lights and an eight digit failure code nnnnnnnn is displayed for use by service personnel to determine the cause of self test failure The E1 DSU CSU continues to try to operate If you are in doubt about the results of the self test use the Self Test Health command to display the status of this test see the Self Test Health section in Chapter 4 Maintenance Self Test OOF ALAM GYR ALEM PDY Py HET WORK TKO AAO CTS ATS 493 1 4302 The top level menu screen appears DSUE1CEPT Stat Test Cnfig A fay le gt OK FAIL TEST SIG OOF ALRM EER SIG OOF ALRM BPV DODDO NETWORK DTR TXD RXD CTS RTS 493 14305 2 9 Operation Oe io ce ee ee eee ee ee eee 3 2 Eu A eae eee hd I ERES ee RES he eee ee 3 2 oh ote enna eee E oye seers ot ee eee eee eee eee eee ee 3 3 eee dnb ae ene ends Sed cae ee ee ota es 3 3 a a ee EEE E a 3 4 p rrr 3 4 Displays Edi in PT O 3 8 Displayine LED Conditions
4. OBJECT IDENTIFIER well amp nownCodes 1 3170 A2 GB20 20 inSyncNoBitErrors OBJECT IDENTIFIER well amp nownCodes 2 e inSyncWithBitErrors OBJECT IDENTIFIER wellKnownCodes 3 notInSync OBJECT IDENTIFIER wellKnownCodes 4 Paradyne Enterprise MIB The variable devConfigAreaCopy under the devConfigAreaCopy group in the common area of the Paradyne Enterprise MIB will be supported This variable allows the entire contents of one configuration area to be copied into another configuration area Only the following values are supported by the E1 DSU CSU noOp l An attempt to read this value returns a response active to customerl1 2 Copy from the active area to the customer 1 area active to customer2 3 Copy from the active area to the customer 2 area customerl to active 4 Copy from the customer 1 area to the active area customerl to customer2 5 Copy from the customer 1 area to the customer 2 area customer2 to active 6 Copy from the customer 2 area to the active area customer2 to customerl 7 Copy from the customer 2 area to the customer 1 area e factory 1 to active 8 Copy from the factory area to the active area There is only one factory area for the E1 DSU CSU e factoryl to customer1 9 Copy from the factory area to the customer 1 area e factory 1 to customer2 10 Copy from the fa
5. 1 No signaling is being used on this interface messageOriented 4 Indicates that TS16 15 reserved for signaling Changing from none 1 to messageOriented 4 deallocates all DSO channels on the DTE and network interfaces Near End Group 5 1 TransmitClockSource Object dsx1ConfigEntry 12 This object specifies the timing source for the currently active transmit clock for this 1 interface This may be either the primary clock source secondary clock source if the primary has failed or the internal clock if both primary and secondary have failed This object differs from the MIB definition in that it is read only not read write for EI DSU CSUs Only the following values are supported by the El DSU CSU loopTiming 1 The recovered receive clock 15 being used as the transmit clock jocalTiming 2 The E1 DSU CSU s internal clock is being used as the transmit clock e ThroughTiming 3 The recovered receive clock from another interface e g El Port or External is being used as the transmit clock December 1996 9 ACCULINK 317 1 DSU CSU Near End Group dsx1Fadl Object dsx1ConfigEntry 13 This object specifies how Facility Data Link is being used Only the following values are supported by the 1 DSU CSU More than one value may be active at a time dsxlother 1 SNMP data is being sent over the FDL dsx1Fdl none 8 Indicates that the
6. l5 3 15 ACCULINK 317x E1 DSU CSU 10 When you are through changing the IP address To select the link layer protocol you must press F3 Save to save the value Otherwise the original value will be retained 1 Press F3 to select Cnfig from the top level menu screen 010 199 111 222 2 Select the configuration option set to be copied a Up Down Save into the Edit area by using the appropriate Function key Use the scroll keys if necessary L8 3 Press F1 to select Edit 4 Press the key from the Edit screen to display Selecting the Link Layer Protocol the SNMP selection Two link layer protocols Point to Point Protocol PPP 5 Press to select SNMP and Serial Line Internet Protocol SLIP are supported for connection to an external SNMP manager or network device e g a router PPP can be used for synchronous or Edit asynchronous operation SLIP can be used for A User Alarm SNMP asynchronous operation only The E1 DSU CSU implementation of PPP supports lt gt following e Full negotiation of PPP s Link Control Protocol LCP 6 Press F1 to select Gen from the SNMP Config screen Active negotiation of LCP when the connection is established Maximum Request Unit MRU sizes up to dh MP 1500 bytes but the E1 DSU CSU will attempt to a negotiate down to 500 bytes e The El DSU CSU provides a unique LCP magic
7. number derived from the unit serial number and the elapsed time 4 Press F1 Next until the Com Link configuration e Full negotiation of escape characters option appears The E1 DSU CSU implementation of PPP does not support Link Quality Reports LOR compression encryption Password Authentication Protocol PAP or Challenge Authentication Protocol CHAP Como The E1 DSU CSU implementation of SLIP supports a A Next SLIP fixed MRU size of 1006 bytes Before selecting the protocol you must first select the gt port to be used as the communications link Refer to the Selecting the Port section on page 3 14 This example assumes that the COM port is being used as the communications link 8 Press F2 PPP or F3 SLIP 3 16 December 1996 3170 A2 GB20 20 Specifying the Community Name s and Access Type s You have the capability of specifying up to two community names community name and community name 2 to be used by external SNMP managers when trying to access objects in the EI DSU CSU s MIB Once you specify the community name s you must then specify the type of access to the MIB that SNMP managers in the community are permitted to have 3170 A2 GB20 20 To specify the community name and its access type 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropr
8. Configuration Overview The E1 DSU CSU configuration option tables contain a list of all configuration options and their selectable options The configuration options are arranged into functional groups e DTE Interface Configuration Options The DTE Interface configuration options configure the DTE Drop Insert interface on the E1 DSU CSU Table C 1 Port Configuration Options The Port configuration options configure the synchronous data ports on DSU CSU Table C 2 Network Interface Configuration Options The Network Interface configuration options configure the Network E1 interface on the El DSU CSU Table C 3 Channel Configuration Options The Channel configuration options configure the DTE Drop Insert and synchronous data port channel allocations on the E1 DSU CSU Tables C 4 and C 5 3170 A2 GB20 20 December 1996 General Configuration Options The General configuration options configure clocks on the E1 DSU CSU Table C 6 User Interface Configuration Options The User Interface configuration options configure and control the E1 DSU CSU user interfaces Table C 7 Alarm Configuration Options The Alarm configuration options specify how alarm conditions are handled by the E1 DSU CSU Table 8 SNMP Configuration Options The SNMP Configuration Options configure the E1 DSU CSU for SNMP management Tables C 9 and C 10
9. Cm The Test Status screen appears showing you what tests are active for the E1 DSU CSU 3170 A2 GB20 20 Maintenance Table 4 10 Test Status Messages No Test Active No tests are currently active LLB Test Active The network interface is in Line loopback PLB Test Active The network interface is in Payload loopback DLB Test Active The DTE Drop Insert port is in DTE loopback RLB Test Active The DTE Drop Insert port is in Repeater loopback DCLB on Port n Port nis in a data channel loopback DTLB on Port n Port nis in a data terminal loopback 1 8 Test Active A 1 in 8 test pattern is being sent on the network interface 55 on Port n A QRSS test pattern is being sent to the network on the channels allocated to port n 511 on Port n A 511 test pattern is being sent to the network on the channels allocated to port n Mon QRSS Portn A QRSS test pattern is being monitored on the channels allocated to port n Mon 511 Port n A 511 test pattern is being monitored on the channels allocated to port n DLB Test Extrn The DTE Drop Insert port is being held in DTE loopback by the external contact Lamp Test Active The Lamp test is currently active 3170 A2 GB20 20 December 1996 4 25 Front Panel Menu DSU E1 CEPT Stat DevHs STest Perf TStat LED ID Ripbk Lpbk Ptrns Lamp Rel LED ClrReg Reset CID El Prtn NET Prtn Abort Send NET Pe Pe Near Far DCLBUP DCLBDN 51 1in8 0855 Near Fa
10. 83 le Rem Loop A 2 Pria m Cm Remote Loopback Tests The Remote Loopback tests enable you to troubleshoot The DCLBUP and DCLBDN commands send the your circuit by sending the following to a far end 1 requested sequence out the network interface on DSU CSU the DSO channels allocated to the port you select here e Data channel loopback up DCLBUP activation 4 From the Rem Loop screen press the desired e Data channel loopback down DCLBDN Function key to select the specific port Use the deactivation sequence to terminate a V 54 Loop 2 scroll keys if necessary After you select a port the sequence is sent to the far end E1 DSU CSU During this time Sending appears on Line 2 of the LCD followed by Command Complete when the sequence 15 complete You cannot perform remote loopbacks if any of the local loopbacks are active If you attempt to do so the error message Invld Test Combo Invalid Test Combination appears To send a Data Channel Activation or Deactivation During th i h loopback sequence to the far end 1 DSU CSU uring the Sending message you can press the A and x keys without affecting transmission of the loopback sequence Press F2 to select Test from the top level menu screen 2 From the Test screen press F1 to select Rlpbk Test m A Lpbk Ptrns L8 L8 4 14 December
11. RE 3 10 Selecting the DTE Drop Insert or Data Port for LED Display 3 11 Changing Configuration Options 3 11 Displaying Editing Configuration Options 3 12 voip IAS IR owe 3 13 Con ie toa Specie POR osse wee dea ES 3 13 Configuring the E1 DSU CSU for SNMP 3 14 abu dui EE OT EET I LL UTI oe Sees 3 14 Settima Me TP Address wh phe add Eb Na Wu ERE Rub Pasa 3 15 the Linok Layer POOL as aide debo 4445144 Rds Sad bad as 3 16 Specifying the Community Name s and Access 3 17 Commie SNMP eee eens COED ESE oP REDE ee 3 18 puabhus SNMP Tao ceeds eee 2i RC 3 18 Selecting the Number or Trap Managers ilius nes eased ee REOR EDS RES EEE 3 19 Configuring Destination for SNMP Traps 3 19 PME 3 20 Displaying 50 Channel Assignments 3 27 A Ps ee ee ee ee a ee ew ee 3 28 Block t honnel Assignment Metho
12. One 7 button keypad three Function and four directional keys e Twelve light emitting diodes LEDs e Six test jacks LCD KEYPAD ACCULINK OK FAIL TEST SIG OOF ALRM EER SIG OOF ALRM BPV NETWORK TXD RXD 5 RTS 496 14539 03 TEST JACKS LEDs Figure 1 1 Front Panel 3170 A2 GB20 20 December 1996 1 3 ACCULINK 317x E1 DSU CSU RX TEN 1200 e 750 750 CAUTION AUX PORT COM PORT MUST NOT BE CONNECTED TO PSTN OR E1 NETWORK OU UUULUDUULULI CLOCK IN PORT 1 495 14295 02 Figure 1 2 Model 3172 Rear Panel RX RX SHIELD 1200 OPEN 750 75Q EARTH CAUTION AUX PORT OR COM PORT MUST NOT BE m CONNECTED TO PSTN OR E1 NETWORK PORT 3 PORT 4 1 PORT 2 495 14294 02 Figure 1 3 Model 3174 Rear Panel 1 4 December 1996 3170 A2 GB20 20 Introduction Table 1 1 Rear Panel Connectors and Switches POWER Supplies power to the E1 DSU CSU by providing an attachment for the ac power module or the optional dc power cable 24 or 48 Vdc AUX PORT Supports SNMP LAN Adapter or daisy chain connections COM PORT Provides access to a locally connected PC an ASCII terminal or printer or an SNMP management link DTE Provides access to the DTE Drop Insert interface This interface is compatible with the signal format of CCITT Recommenda
13. The EI interface is not in a loopback state dsxlPayloadLoop 2 Specifies that a Payload Loopback PLB is active for the network interface or a Repeater Loopback RLB is active for the DTE Drop Insert interface dsxlLineLoop 3 Specifies that a Line Loopback LLB is active for the network interface or a DTE Loopback DLB is active for the DTE Drop Insert interface Near End Group dsx1LineStatus Object dsx1ConfigEntry 10 This object specifies the line alarm status of the E1 interfaces Only the following values are supported by the E1 DSU CSU More than one value may be active at a time dsxINoAlarm 1 No alarm present dsxIRcvFarEndLOF 2 A Remote Alarm Indication signal is being received dsxIRcvAIS 8 An Alarm Indication Signal AIS is being received dsxlILossOfFrame 32 An Out Of Frame OOF condition has persisted for more that 2 5 seconds dsxlLossOfSignal 64 A Loss of Signal LOS condition has persisted for more that 2 5 seconds dsxlLoopbackState 128 The near end of El interface is in a loopback state dsxlOther Failure 4096 An Excessive Error Rate EER has been detected on the network interface 3170 A2 GB20 20 Near End Group dsx1SignalMode Object dsx1ConfigEntry 11 This object specifies whether time slot 16 TS16 is reserved for signaling Only the following values are supported by the El DSU CSU
14. 493 14158 Figure D 8 DC Power Cable D 14 December 1996 3170 A2 GB20 20 Pin Assignments External Clock Interface Table D 10 External Clock Connector The External Clock connector pinouts are in Table D 10 Signal A cable diagram is shown in Figure D 9 This is a Shield customer supplied cable Clock RS422 only Clock RS422 only Clock In RS423 only Signal Common 11 SHIELD CLOCK IN RS423 ONLY CLOCK 4 RS422 ONLY CLOCK SIGNAL COMMON 493 1 4344 Figure D 9 External Clock Connector 3170 A2 GB20 20 December 1996 D 15 SNMP MIB Objects PCT Neha eee ee Oe ek E 1 Management Information Base MIB RFC 1213 iiis eed reese ieee eee E 1 System Gron MIB LIT REEP RENE Ped E Errem ad e bd E bu duda E 2 Interface Group MIB sea RE eae bbe bane E BUR OU dod Poi da dw E 2 dto 4 PC eee eh OAs E 5 ye ee PEINE ee ee REI MU IEEE NE ES E 7 UDP Gg MIB dL i rauca dac her a do ORE AU EE ee ees E 7 Groop MID cane EORR ee dtd shee be COS EORR ER es E 7 SNMP Group MIB IE icu once ie eee eb rh me n de baw de be e Ron RS E 7 DS1 E1 MIB RFC 1406 Elie x ERG E 8 Pleat End Cou DS UBI MIB
15. EER EIA 530A Enterprise MIB enterprise specific trap error ES ESD E1 Fact failure fault FCC FDL Fractional E1 frame Glossary 4 Data Service Unit Data communications equipment that provides an interface between the DTE and the digital network Digital Signal Level 0 A 64 kbps standard signal or channel Assigning specific DSO channels in the E1 DSU CSU to specific interfaces Network DTE Drop Insert etc Defines objects for managing 1 interfaces and supports the network and DTE Drop Insert interfaces on the 1 DSU CSU Data Terminal Equipment The equipment such as a computer or terminal that provides data in the form of digital signals The drop insert interface that is labeled on the rear panel of the El DSU CSU Data Terminal Loopback Loops the data received from the selected port for all DSO channels allocated to the port back out the port Data Terminal Ready V 24 circuit 108 1 2 Embedded Data Link The 8 kbps in band performance channel that provides 4 kbps of user bandwidth for the support of an SNMP management link Excessive Error Rate An error rate that is greater than the threshold that has been configured in the EI DSU CSU Electronic Industries Association An organization providing standards for the data communication industry An EIA standard for a high speed 25 position DCE DTE interface MIB objects unique to Paradyne devices A
16. General Port Table rs232PortOutSpeed Object rs232PortEntry 6 This object contains the port s output speed in bits per second For the E1 DSU CSU the rs232PortInSpeed object has the same value as the rs232PortOutSpeed object The input speed of a synchronous data port 15 determined by the channel configuration and cannot be changed through this object Thus for the synchronous data ports this object is read only The input speed of the AUX or COM port is the currently configured speed Setting of this value for the AUX or COM port causes the configured port speed to be changed Asynchronous Port Table RS 232 like MIB The asynchronous port table contains an entry for the AUX or COM port when the port is configured for asynchronous operation For the EI DSU CSU the entries in the table that are counters rs232AsyncPortEntry 6 8 are used to collect statistics and are not supported Asynchronous Port Table rs232AsyncPortBits rs232AsyncPortEntry 2 This object specifies the number of bits in a character Only the following values are supported by the DSU CSU e 7 7 61 characters Supported on COM port only 8 bit characters Asynchronous Port Table rs232AsyncPortStopBits rs232AsyncPortEntry 3 This object specifies the number of stop bits supported Only the following values are supported by the El DSU CSU one l One stop bit two 2 Two stop bits Support
17. If a three wire grounding type power source 15 not available consult a qualified electrician to determine another method of grounding the equipment Slots and openings in the cabinet are provided for ventilation To ensure reliable operation of the product and to protect it from overheating these slots and openings must not be blocked or covered Do not allow anything to rest on the power cord and do not locate the product where persons will walk on the power cord Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous high voltage points or other risks Refer all servicing to qualified service personnel General purpose cables may be provided with this product Special cables which may be required by the regulatory inspection authority for the installation site are the responsibility of the customer When installed in the final configuration the product must comply with the applicable Safety Standards and regulatory requirements of the country in which it is installed If necessary consult with the appropriate regulatory agencies and inspection authorities to ensure compliance A rare phenomenon can create a voltage potential between the earth grounds of two or more buildings If products installed in separate buildings are interconnected the voltage potential may cause a hazardous condition Consult a qualified electrical consultant to determine whether or not this phenomenon exis
18. Keypad The 7 button keypad Figure 3 3 enables you to navigate through the menu tree and select choices presented on the second line of the LCD al e B Figure 3 3 Keypad Use the key to move up the menu al Je Le l5 Use x key to exit any part of the menu in which you may be operating You immediately return to the top level menu screen shown on the front panel menu see Appendix A Front Panel Menu al Je Le Ls Use the Function F1 F2 F3 keys to make selections from the choices presented on the second line of the LCD When this line presents choices it is generally divided into three sections each displayed directly above one of the Function keys When your choice appears above one of the Function keys press that key to select that choice JE December 1996 3 3 ACCULINK 317x E1 DSU CSU The scroll keys lt lt gt serve of two functions depending on whether a menu screen or a data entry screen appears on the front panel For data entry screens the 3 key scrolls one character to the left while the key scrolls one character to the right For menu screens the lt I key scrolls to the previous menu choice while the gt key scrolls to the next menu choice If a choice is available to the left of the screen the character lt appears on the top line If a choic
19. The configuration tables include a description of each configuration function and its selectable options In the tables the top line of each configuration option entry indicates the factory default setting C 1 ACCULINK 317 1 DSU CSU DTE Interface Configuration Options Table C 1 DTE Interface Configuration Options DTE Port Enab Next Enab Disab Prev DTE Drop Insert Port Enables the use of the DTE Drop Insert port Enab Allows the use of the Drop Insert interface Disab Prohibits the use of the DTE Drop Insert interface NOTE When this configuration option is disabled you cannot display or configure any other DTE Interface configuration options and TS16 is set to data If a clock source configuration option is set to DTE it is changed to NET DTE Frame noCRC Next CRC4 noCRC Prev DTE Line Framing Format Designates the framing format for the DTE Drop Insert interface CRC4 Configures for the CRC4 framing format noCRC Configures for the non CRC4 framing format DTE Coding HDB3 Next AMI Prev DTE Line Coding Designates the line coding format to be used on the DTE Drop Insert interface AMI Uses the Alternate Mark Inversion coding format HDB3 Uses the High Density Bipolar 3 coding format Extrn DLB Disab Next Enab Disab Prev DTE Loopback on External Contact Allows the initiation and termination of a DTE Loopback DLB by an external contact For more information s
20. dsxIEI CRC 5 Indicates CRC 4 framing Near End Group dsx1LineCoding Object dsx1ConfigEntry 6 This object corresponds to the DTE Coding configuration option on the E1 DSU CSU Only the following values are supported by the 1 DSU CSU dsxIHDB2 3 Indicates HDB3 line coding dsxIAMI 5 Indicates AMI line coding for DTE only not available for NET Near End Group dsx1SenaCode Object dsx1ConfigEntry 7 This object specifies the test patterns codes being sent over the network interface These tests are not supported on the DTE Drop Insert interface Only the following values are supported by the DSU CSU dsxlSendNoCode 1 Specifies that the interface is sending normal or looped data Setting the interface to this value stops an active send pattern test on the interface This is the only value supported by the DTE Drop Insert interface dsxlSendOtherTestPattern 8 Specifies that the network interface is sending 1 in 8 test pattern This value is read only An attempt to write this value returns a badValue response 3170 A2 GB20 20 Near End Group dsx1Circuitldentifier Object dsx1ConfigEntry 8 This object is only supported on the network interface Near End Group dsx1LoopbackConfig Object dsx1ConfigEntry 9 This object specifies the loopback state of the 1 interfaces Only the following values are supported by the DSU CSU dsxINoLoop 1
21. None Com Aux FDL EDL1 EDL2 EDL3 EDL4 Disab Warm Auth Both Enab Disab Disab Up Down Both Num Trap Mgrs Trapn IP Adr Trapn Dst Gen Trap Entp Trap Link Trap Trap I F NET DTE E1s Ports All 3170 A2 GB20 20 Pin Assignments 4 hoo ee E EE ee ee D 1 222222522225 S S PRISES ERRAT WEN REEL UG EU ec ee REA D 2 DIE Drop lnsert Interfat Leeds ma oe ted eR Er onem GE RE EROR E erba D 3 AUX Interac Dad odie bby d Rub Ro QE HAC eae p od D 4 COM Pon Ss tor a e eR ORAE a UD adi dd c RR RU n D 5 PUA Pore Inerce 1 sura ede ape UR Rae ace ee dic d Ped e D 7 BIA S30A to RS449 Cable Interface n onnu soe rr REX ER RR ER E D 8 BIA 3205 40 V 23 Cable eC es cas sew ar YE Rob AE E ERE Re SAGE RERO 9 CR S E D 10 BIA 530A 0 X 2 Cable Interface vues essor we egredere Ego Tn D 12 Power Input Connector 1222249 e prb Roi dba dba tre S RR ERE P IAE b died PES La D 14 SiGe DE Povo CIDG sede EX dedu d bad dad us dod D 14 aaea IDEE ok dace w Rui ond icu Oe naar ERE eai ito ap ape ER I edat D 15 Overview The E1 DSU CSU is shipped with a power module Various other interconnecting cables are available from the co
22. Port DTE Initiated Loopbacks Allows the initiation and termination of a local Data Terminal Loopback DTLB or remote Data Channel Loopback DCLB by the DTE connected to this port DTLB is equivalent to a V 54 loop 3 and DCLB is equivalent to a V 54 loop 2 Control of these loopbacks is through the DTE interchange circuits as specified by the V 54 standard Disab Disables control of local DTLBs and remote DCLBs by the DTE connected to this port DTLB Gives control of the local DTLBs for this port to the DTE attached to this port This loopback is controlled by the Local Loopback interchange circuit LL CCITT 141 DCLB Gives control of the remote DCLBs for the far end port connected to this port to the DTE attached to this port This loopback is controlled by the Remote Loopback interchange circuit RL CCITT 140 The far end equipment must support in band V 54 loopbacks Both Gives control of local DTLBs and remote DCLBs to the DTE connected to this port 3170 A2 GB20 20 December 1996 C 3 ACCULINK 317 1 DSU CSU Table C 2 2 of 4 Port Configuration Options All Ones Both Next Disab DTR RTS Both Prev Send All Ones on Data Port Not Ready Specifies the conditions on the data port that determine when valid data is not being sent from the DTE When this condition is detected all ones are sent to the network on the DSO channels allocated to the port Disab Disables the monitoring of interchange circuits
23. RTS A RTS A RTS B RTS B RLSD A RLSD A RLSD B RLSD B SIG COMMON SIG COMMON TT A 495 14787 Figure D 7 530A to X 21 Cable D 12 December 1996 3170 A2 GB20 20 Pin Assignments Table D 8 X 21 Cable Interface CCITT Number Signal Common 102 8 Transmitted Data 103 To DSU CSU 2 A 9 Received Data 104 From DSU CSU 4 11 Request to Send 105 To DSU CSU 3 A 10 B Data Channel Received Line Signal Detector 109 From DSU CSU 5 A 12 B Transmit Signal Element Timing DTE Source 113 To DSU CSU 7 A 14 B Receiver Signal Element Timing DCE Source 115 From DSU CSU 6 A 13 B 3170 A2 GB20 20 December 1996 D 13 ACCULINK 317 E1 DSU CSU Power Input Connector Optional DC Power Cable The input power connector leads are shown in The power cable is a 14 5 foot 18 AWG stranded Table D 9 cable The connector is terminated at one end with a 6 position connector The other end of the cable is terminated with a bare wire that should be connected to a Table D 9 dc power source Figure D 8 shows the wire colors The DC Power Connector power source can be either a single source of 24 Vdc Signal Pin Number up to two sources of 48 Vdc A and B You cannot connect 24 Vdc and 48 Vdc to the same unit See the 48 Vdc Return installation instructions in Chapter 2 Installation 48 VdcA 6 24 5 24 Vdc Return 4 ORANGE
24. Read the value in the following objects for NET E1 dsx1Validintervals dsx1TotalES dsx1TotalUAS dsx1TotalSES dsx1TotalBES December 1996 3170 A2 GB20 20 Table E 1 2 of 3 SNMP MIB to Front Panel Command Cross Reference Front Panel Command SNMP MIB Object Stat gt Tstat Read LLB Test Active dsx1LineLoop from dsx1LoopbackConfig for Net E1 PLB Test Active dsx1PayloadLoop from dsx1LoopbackConfig for Net E1 RLB Test Active dsx1PayloadLoop from dsx1LoopbackConfig for DTE E1 DLB Test Active dsx1LineLoop from dsx1LoopbackConfig for DTE E1 DCLB on Port n testFullDuplexLoopback from IfExtnsTestType for Port n DTLB on Port n testLoopDTLB from IfExtnsTestType for Port n 1 8 Test Active testSend1in8 from ifExtnsTestType for Net E1 QRSS on Port n testSendQRSS from IfExtnsTestType for Port n 511 on Port n testSend511 from IfExtnsTestType for Port n Mon QRSS Port n testMonQHRSS from ifExtnsTestType for Port n 511 Port n testMon511 from ifExtnsTestType for Port n Stat L ED Prtn Head DTR rs232InSigState from rs232InSigName dtr CTS rs232outSigState from rs2320utSigName cts RTS rs232InSigState from rs232InSigName rts Stat gt ID Ser Mod SRev 1 HRevCCA2 Read the sysDescr object from the System Group Test gt Rlpbk gt DCLBUP gt Prtn Set IfExtnsTestType for port n to testSendV54Up Test gt Rlpbk gt DCLBDN gt Prtn Set IfExtnsTestType for port n to testSendV54Down Test
25. e 2 DTEEI 3 COM port e 4 not used 5 Auxiliary RS 232 port e 0 port 1 e 7 DCE port 2 5 DCE port 3 9 DCE port 4 The supported ifIndexes for the 3172 DSU CSU are e DTE EI e COM port e Auxiliary RS 232 port DCE port 1 e DCE port 2 The supported ifIndexes for the 3174 DSU CSU are Net e DTEEI COM port Auxiliary RS 232 port DCE port 1 DCE port 2 DCE port 3 DCE port 4 3170 A2 GB20 20 Interface Group ifDescr Object ifEntry 2 This object provides the textual information about the interface Each interface displays a text string as shown below Network Network E1 DSU CSU Hardware Version CCA number for the CSU board El DSU CSU Hardware Version CCA number for the CSU board COM port EI DSU CSU Hardware Version CCA number for the CSU board AUX AUX port EI DSU CSU Hardware Version CCA number for the CSU board Data Port n EI DSU CSU Hardware Version CCA number for the DSU board wheren 15 1 to 4 DTE Data Ports Interface Group if Type Object ifEntry 3 This object identifies the type of the interface based on the physical link protocol s immediately below the network layer Only the following values are supported by the EI DSU CSU el 19 Used for the network and DTE Drop Insert
26. e Data Ports Table 3 4 3170 A2 GB20 20 Operation Table 3 1 System LEDs Name Color OK Green Indicates the current operational state of the E1 DSU CSU ON The E1 DSU CSU is operational and has power OFF The E1 DSU CSU is performing a power up self test or a system failure has occurred BLINKING A software download is in progress FAIL Yellow Indicates a system failure or a self test ON A device error fault is detected or a reset has just occurred OFF No system failures are detected BLINKING A self test is in progress TEST Yellow A system test Is in progress ON A loopback or pattern test has been initiated either locally by the network or externally No tests are active B Table 3 2 NETWORK Interface LEDs Color Meaning Name BEER SIG Green Monitors the signal being received from the network ON A recoverable signal is being received from the network OFF The signal cannot be recovered from the network a Loss of Signal condition exists OOF Yellow Monitors Out Of Frame OOF conditions on the received network signal ON At least one OOF was detected on the signal during the sampling period No OOFs were detected on the signal during the sampling period ALRM Yellow Indicates whether an alarm condition exists on the received network signal ON An alarm condition LOS LOF EER RAI AIS exists on the received network signal Use the Device Health an
27. then the appropriate directory name default is CAFRONTPAN If the selected directory already exists the following message appears The specified directory already exists Do you want to overwrite the directory If the selected directory is new the following message appears The specified directory does not exist Do you want to create the directory Select Yes A confirmation screen appears Select Install to continue the installation A Setup Completed screen appears Select Continue The Program Manager screen appears with the Front Panel icon ACCULINK 317 1 DSU CSU Starting Front Panel Emulation If the E1 DSU CSU selected is not locally attached to the PC you must first dial to the remote E1 DSU CSU before starting front panel emulation The modem attached to the PC must support AT commands for the Front Panel Emulation software to successfully place the call To start front panel emulation 1 From the PC open Program Manager from Windows Program Manager File Options Window Help GOOG ana Main DOCO ooo Accessories mmm DODO Games Boo BOG DOD DOO Windows Horntwindaws Aps 2 The Front Panel Window opens Program Manager File Options Window Help Front Panel front panel Boo Games DOGO mnn Windows Aps Accessories nnn nnn Double click on the Front Panel icon that appears after the Front Panel Emulation p
28. 4 5 don ness rm 4 9 SNMP IP 2255 tenet Ges oo 44 4 10 Troubleshooting 4 11 1 4 13 jicse nu 4 14 Remote Loopback Tests 4 14 Local Loopback Tests 4 15 j 6 0 M be ce eee HT 4 20 eh eb oh Bee rh m 4 23 Displaying El DSU CSU Test Status 4 24 Appendices From Panci Momi exactes tace Te ep Bx Rel br Xia x A 1 B Technical 5 B 1 C Configuration C 1 D aderire RP PET RR senate D 1 b SNMP MIB ODEO bets reas E 1 IP Network Addressing Scenario F 1 Prou Panel ima 4225255 255 si Ice xu end G 1 Equipment s 2o ord ter ooh hem od drea etr n H 1 Glossary Index ii December 1996 3170 A2 GB20 20 Preface Objectives and Reader Assumptions This operator s guide contains installation operation and maintenance information for the ACCULINK 317x Data Service Unit DSU Channel Service Unit CSU It is assumed that you are familiar with the operation of digital data communication equipment and DSUs and CSUS in particular You should also be familiar wi
29. DSO channel See channel allocation AMI Alternate Mark Inversion C 2 applications 1 2 1 ASCII terminal printer cabling example 2 8 used for alarm messages authenticationFailure trap 4 10 AUX Port configuration option functional description physical description pin assignments D 4 used with SNMP system backup capability 3 32 BES Bursty Errored Seconds report block method of channel allocation BPV Bipolar Violation condition front panel LED indication Performance Report message 4 8 troubleshooting December 1996 cabling equipment list H 1 examples pin assignments D 1 Chan Channel Configuration branch example of use 3 20 3 32 in the menu tree option table C 8 option worksheet configuration options C 8 procedure for configuring 3 20 channel allocation CID Customer Identification branch example of use in the menu tree Circuit Identifier configuration option CLOCK IN interface functional description 1 5 physical description pin assignments clocking configuration options principles of operation technical specifications 2 ClrReg Clear Performance Registers branch example of use 4 6 in the menu tree Cnfig Configuration branch See configuration options coding line COM Port acquiring releasing the user interface 3 35 36 cabling example 2 8 configuration option functional description physical description pin
30. Ext Configures the communication port for external clocking NOTE This configuration option is not available if the Com Type configuration option is set to Async 3170 A2 GB20 20 December 1996 C 13 ACCULINK 317 1 DSU CSU Table C 7 2 of 3 User Interface Configuration Options Com Rate 9 6 Next 1 2 2 4 48 96 14 4 19 2 38 4 Prev Communication Port Rate Configures the bit rate for the communication port 1 2 Sets the bit rate to 1200 bps 2 4 Sets the bit rate to 2400 bps 4 8 Sets the bit rate to 4800 bps 9 6 Sets the bit rate to 9600 bps 14 4 Sets the bit rate to 14 400 bps 19 2 Sets the bit rate to 19 200 bps 38 4 Sets the bit rate to 38 400 bps NOTE This configuration option is not available if the communication port is configured for synchronous operation and the clock source is external Char Length 8 Next 7 8 Prev Communication Port Character Length Configures the character length 7 or 8 bits for the communication port NOTE This configuration option must be set to 8 if the communication port is used for Front Panel Emulation or SNMP management NOTE This configuration option is not available if the communication port is configured for synchronous operation CParity None Next None Even Odd Prev Communication Port Parity Configures the parity none even or odd for the communication port NOTE This configuration option is not available if the communicati
31. Loopback A Abort LLB PLB fay lel lo 3170 A2 GB20 20 Maintenance 4 Press F3 to select DLB Loopback LLB PLB DLB m e Cm Test Started appears on Line 2 If a DTE loopback is already in progress the Already Active message appears If an invalid combination of loopbacks is in progress the error message Invid Test Combo appears see Table 4 8 for valid loopback test combinations Starting a Repeater Loopback The Repeater Loopback command RLB loops the signal being sent to the network back to the DTE Drop Insert and data ports The signal is looped back as close to the network interface as possible after it has passed through the framing circuitry of the E1 DSU CSU Therefore framing CRCs and BPVs are corrected DTE NETWORK PORT INTERFACE ALL 15 DCE DCE PORT1 PORT2 495 14318 01 To perform a Repeater loopback Press F2 to select Test from the top level menu screen 2 From the Test screen press F2 to select Lpbk Test A Lpbk Ptrns J 8 December 1996 4 17 ACCULINK 317x E1 DSU CSU 3 From the Loopback screen press gt twice to display the RLB selection on the screen Loopback E A LLB PLB Gm 4 Press to select RLB Loopback A RLB Test Started appears on Line 2 If a Repeater loopback is already in
32. Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple Figure 3 10 Port Channel Configuration Worksheet Ports 1 and 2 3170 A2 GB20 20 December 1996 ACCULINK 317 1 DSU CSU Port Chan Assign Prt1 Prt2 Prt4 Assign By Block Chan Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple Assign To NET DTE Prt1 Prt2 Prt3 Port Rate Port 3 If Assign By Block If Assign By Chan Assign By Block Chan Port Rate Nx64 64 1
33. OPTIONAL FRONT PANEL n EMULATION SOFTWARE 2 3100 C1 010 o SNMP MANAGER 495 14673 01 Figure 2 13 Cabling Examples December 1996 3170 A2 GB20 20 Power Up Self Test After you connect the E1 DSU CSU to a power source the unit performs power up self test to ensure that it 15 in good working order The E1 DSU CSU performs this test on itself upon power up or after a device reset unless it has been disabled by the Self Test configuration option see Appendix C Configuration Options The self test includes a basic processor test a limited memory test a code checksum test and basic verification tests of the internal components The front panel LCD displays the progress and pass fail status of these power up tests The power up self test consists of the following steps 1 Once the EI DSU CSU is plugged in the In Progress screen appears and the Fail LED blinks ON and Off continuously In Progress ALAM EER SHR OOF POY HET WORK Din TRO 493 1 4302 2 All the LEDs then start to flash simultaneously the pattern twice ON then Off Then the LCD in begins to flash characters and numbers in the same pattern alternating with the flashing LEDs 3 If the self test 1s successful the Passed screen appears for one second the Fail LED turns Off and the OK LED lights Passed BKA
34. To clear DSO channel allocation 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press 1 to select Edit 4 Press the gt key from the Edit screen to display the Chan selection 5 Select Chan Edit Port NET Chan L8 6 From the Channel Config screen press F2 to select Clear Channel Config A Dsply Clear DTE Le 3 32 December 1996 7 From the Clear Channel screen select NET to clear all DSO channels assigned to the Network E1 interface Or select DTE to clear all DSO channels assigned to the DTE Drop Insert interface Or select a port to clear all assignments for that data port Clear Channel NET DTE Porti Gm l5 Providing Backup Capability If the network fails the EI DSU CSU provides the ability to reconfigure the unit and restore at least partially priority data circuits through an external backup device You can store backup configuration options in the Customer 2 Cust2 set of customer defined configuration options The Paradyne Enterprise MIB variable devConfigAreaCopy allows the entire contents of one configuration area to be copied into another configuration area via SNMP By cross connecting two synchronous data ports to each other one port
35. about using Relay Contact Sense for external DTE loopback refer to the Extrn DLB configuration option in the DTE Interface Configuration Options section of Appendix C The DTE Drop Insert cable Figure D 2 15 typically supplied by a DTE vendor It is made of shielded twisted pair wires 22 AWG The cable connector is a DB15 plug Be sure to connect the shield ground only at the E1 DSU CSU end to prevent ground loops TWISTED PAIR RECEIVE TIP RECEIVE RING SHIELD GROUND TWISTED PAIR TRANSMIT TIP TRANSMIT RING SHIELD GROUND EXTERNAL RETURN RELAY CONTACT SENSE 493 14152 01 Figure D 2 DTE Drop Insert Cable 3170 A2 GB20 20 December 1996 D 3 ACCULINK 317 1 DSU CSU AUX Port Interface The Auxiliary AUX port connects to the SNMP LAN Adapter for SNMP applications or to another 1 DSU CSU s COM port for daisy chain connectivity The SNMP LAN Adapter includes the cable that is needed to attach it to the E1 DSU CSU The AUX port connector is an 8 pin modular connector Table D 3 DTE Transmit Clock DTE Receive Data Signal Ground DTE Transmit Data DTE Receive Clock D 4 Table D 3 AUX Port Connector Direction From DSU CSU To DSU CSU From DSU CSU From DSU CSU December 1996 NOTE For daisy chaining an AUX port to a COM port a customer supplied 8 pin to 8 pin straight through cable is required and the appropriate configuration options Com Use and Aux Use must b
36. bring the Ctrl branch onto the front panel LCD DSU E1 CEPT ES Stat Test Cnfig mJ l5 4 6 December 1996 2 Press F3 to select Ctrl from the top level display screen DSU E1 CEPT A Test Cnfig Ctrl Gm gt 3 Select ClrReg Control LED 4 From the Clear Prf Regs screen press F1 to clear the NET registers Clear Prf Regs Prti Prt2 Lal L8 L5 If you selected NET the network performance registers are cleared All accumulators are reset to zero and all status registers are cleared and the current interval timer the number of valid intervals count and the total 24 hour counts are reset to zero The Command Complete screen then appears Clear NETRegs A Command Complete 3 170 2 20 20 Event CurTimer Vidintvl UAS SES BES 3170 A2 GB20 20 Table 4 3 1 of 2 Maintenance Performance Registers Register Interval Description Totals Description Error events counter An error event is a frame with either a Cyclic Redundancy Check CRC error or an Out Of Frame OOF event The maximum count is 65 535 This register is only reset as a result of a Clear Performance Register command This register is valid for the current interval only Current interval timer This register records the number of seconds in the current 15 minute interval The m
37. interfaces propPointToPointSerial 22 Used for the synchronous data ports and for the COM port when the port is not configured as the SNMP management interface 23 Used for the AUX or COM port when the port is configured for PPP 511 28 Used for the COM port when the port is configured for SLIP December 1996 E 3 ACCULINK 317 1 DSU CSU Interface Group ifMtu Object ifEntry 4 This object identifies the largest datagram that can be sent or received on the interface It is applicable only to the interface configured as the SNMP management link This object is zero for all other interfaces Interface Group ifSpeed Object ifEntry 5 This object provides the interface s current bandwidth in bits per second The value of this object for each interface 15 specified as follows EI Interfaces 2 048 000 bps COM and The currently configured data rate AUX for the port Data Ports The currently configured data rate for the port when the port is allocated to one of the E1 interfaces or to another port as a backup If the port is not allocated the data rate is defined as zero Interface Group ifAdminStatus Object ifEntry 7 This object specifies the desired state configuration of the interface This object is supported only for the COM port It provides the ability to switch between using the port for SNMP or ASCII operations The value of this object will
38. loopback front panel LED indication local 4 15 abort 4 19 data channel loopback DCLB data terminal loopback DTLB DTE loopback DLB 4 17 line loopback LLB 4 16 payload loopback PLB i n loopback RLB 4 17 4 18 remote LOS Loss OF Signal condition 4 19 front panel LED indication 3 5 3 6 Performance Report messa Self Test Health message troubleshooting 4 11 Lpbk Local Loopback branch example of use 4 15 4 20 in the menu tree A 1 maintenance device health and status 4 3 4 4 performance report 4 5 4 8 power up self test 2 9 manager SNMP 1 2 menu tree messages alarm Device Health and Status Performance Report Self Test Health troubleshooting 4 11 with ASCII terminal printer 1 2 4 9 Status Device Health and Status Performance Report Self Test Health 2 9 Test Status 4 24 4 26 MIBs SNMP See SNMP MIBs model numbers NET Network Configuration branch example of use in the menu tree option table option worksheet C 23 network interface cabling example 3170 A2 GB20 20 December 1996 Index 3 ACCULINK 317 1 DSU CSU Index 4 channel allocation procedure 3 20 B 26 configuration options failure message front panel LED indications functional description 1 5 2 1 physical description pin assignments D technical specifications B 1 troubleshooting 4 11 objects SNMP 1 2 E 1 18
39. management links Therefore set this object to 15 the sum of 1 2 4 8 Interface Group MIB Il The Interface Group consists of an object indicating the number of interfaces supported by the unit and an interface table containing an entry for each interface The E1 DSU CSU provides an entry in the interface table for the network interface the DTE Drop Insert interface each of the synchronous data ports the COM port and the AUX port if they apply The following sections provide clarification for objects contained in the Interface Group where it is not clear how the object definition in MIB II is related to the EI DSU CSU Interface Group ifNumber Object interfaces 1 This variable contains the maximum number of MIB II supported interfaces possible across the 31xx Series product line 9 This is different from the MIB description which is defined as the number of interfaces on the particular device This change allows the use of the same ifIndexes across all 31xx Series models 3170 A2 GB20 20 Interface Group iflndex Object ifEntry 1 This object provides the index into the ifTable and typically into tables in other MIBs also The values of the ifIndex object do not vary between models even though not all indexes are supported for a particular model When an unsupported index is accessed noSuchName is returned The following are the values of the ifIndexes for all EI DSU CSU models e Net El
40. 3 1 consists of an LCD a keypad test jacks and 12 LEDs NOTE You can display a graphical representation of the E1 DSU CSU front panel on an attached PC see Appendix Front Panel Emulation LCD KEYPAD OK FAIL TEST SIG OOF ALRM EER SIG OOF ALRM BPV NETWORK DTR TXD RXD CTS RTS TEST JACKS 496 14539 03 LEDs Figure 3 1 E1 DSU CSU Front Panel 3 2 December 1996 3170 A2 GB20 20 LCD The LCD Figure 3 2 displays two types of data Messages such as alarms command test completion and action in progress e Front panel menu tree information see Appendix A Front Panel Menu ab la 3 L5 Figure 3 2 LCD The LCD displays status messages as requested via the Device Health and Status branch of the front panel menu see the Device Health and Status section in Chapter 4 Maintenance In addition the highest level status message appears on the front panel automatically if no front panel action has occurred at the EI DSU CSU for the past five minutes The LCD also lists commands configuration options and test results In most cases the top line shows the command or option name and default value while the second line displays options and responses When a response 15 required select from the options displayed directly above the Function keys F2 F3 make your choice by pressing the corresponding Function key 3170 A2 GB20 20 Operation
41. 48 VDC RETURN GREEN EARTH GROUND WHITE ORANGE ee CABLE NUMBER 3100 1 520 493 1 4299 Figure 2 11 48 Vdc Single Source Power Supply Pinouts 2 6 December 1996 3 170 A2 GB20 20 Installing the Redundant 48 Vdc Power Supply To install the E1 DSU CSU using a redundant 48 Vdc power supply refer to Figure 2 12 and use the following procedure To install the redundant 48 Vdc power supply 1 Connect the black wire to the 48 Vdc return source B 2 Connect the red wire to the 48 Vdc return source A DSU CSU POWER PLUG TO CUSTOMER SUPPLIED BATTERY GREEN WHITE ORANGE BLUE Installation Connect the green wire to a suitable earth ground Connect the orange wire to the 48 Vdc input source B Connect the blue wire to the 48 Vdc input source A Cut the white wire off at the outer insulation Plug the power connector into the E1 DSU CSU 48 VDC RETURN B 48 VDC RETURNA EARTH GROUND 48 VDC INPUT B 48 VDC INPUT A CABLE NUMBER 3100 F 1 520 493 1 4300 Figure 2 12 48 Vdc Redundant Source Power Supply Pinouts 3170 A2 GB20 20 December 1996 2 7 2 8 ACCULINK 317x E1 DSU CSU Cabling Examples The E1 DSU CSU is supplied with an ac power module You must provide the DTE and network cables Optional cables that you can order from the company are described in Appendix D Pin Assignments Figure 2 13 illustrates some c
42. Channel Allows the selection of time slot 16 7516 for signaling information or assigns DSO channels from the DTE Drop Insert interface to DSO channels on the Network E1 interface TS16 Allows the selection of TS16 for signaling information see the TS16 configuration option below Assign Allows the assignment of DSO channels from the DTE Drop Insert interface to the Network E1 interface TS16 Rsvd Data Rsvd DTE Drop Insert TS16 Allocation Specifies whether time slot 16 516 is reserved for signaling information or available for data Data Specifies that TS16 is available for data Rsvd Specifies that TS16 is reserved for signaling information NOTE Changing this configuration option from one selection to the other Data or Rsvd deallocates all DSO channels assigned to either the Network E1 interface or the DTE Drop Insert interface 1 N2 5 N7 8 9 N11 N12 N14 N15 N31 DTE Drop Insert Channel Allocation Assigns DSO channels from the DTE Drop Insert interface to the Network E1 interface Line 1 displays the 31 channels for the Network E1 interface Line 2 displays what is allocated to the DSO channel indicated in Line 1 Possible values for Line 2 are Value Meaning This DSO channel is not allocated You can modify this value on this screen Prtn This DSO channel is allocated to port n where nis a number from 1 to 4 You cannot modify this value on this screen Dn This DSO chan
43. Com Gm L8 December 1996 3 19 ACCULINK 317 1 DSU CSU Configuring DSO Channels The DSU CSU provides channel configuration options that allow you to do the following 3 20 Display the DSO assignments for the Network DTE Drop Insert and data port interfaces Allocate DSO channels on the DTE Drop Insert interface to the Network interface Allocate DSO channels on the Network or DTE Drop Insert interface to particular data ports Specify whether time slot 16 TS16 is reserved for signaling information Clear deallocate all DSO channels from the Network DTE Drop Insert or data port interface Map data from one port to another NOTE If TS16 is reserved for signaling D16 will automatically be assigned to N16 and DTE DSO channels allocated to the network interface must be connected to the corresponding channel e g D1 to N1 D2 to N2 etc To allocate DSO channels begin by defining the logical channel configuration for the Network interface and then the DTE Drop Insert interface and then any ports if desired See Figures 3 6 and 3 8 for examples of conceptual diagrams of channel configurations Blank configuration worksheets are provided at the back of Appendix C Configuration Options To complete the configuration worksheets for DSO channel allocation 1 Complete the Network E1 Interface and the DTE Drop Insert Interface tables unless the DTE Drop Insert inte
44. LLB LOF LOFC loopback test LOS 3170 A2 GB20 20 Glossary A switching interface that is designed to get frames from one part of the network to another as quickly as possible A technique that separates bits into identifiable groups An extension to MIB II that defines additional objects for control of generic interfaces in MIB II Read only access to SNMP MIB objects A physical connection to earth or other reference point High Density Bipolar Three Zeros Substitution A line coding technique used to accommodate the ones density requirements of E1 lines High level Data Link Control A communications protocol defined by the International Standards Organization ISO A computer system used for application processing on a network Hertz A unit of frequency that equals one cycle per second Internet Control Management Protocol The protocol that enables in band control diagnostic and error messages to be passed between nodes in an IP internetwork Identity branch of the E1 DSU CSU menu tree A shared boundary between functional units The worldwide interconnected collection of networks that predominantly use the TCP IP protocol An interconnected collection of networks also called an internet Internet Protocol address The address used by the SNMP manager to access the device International Standards Organization Kilobits per second thousand bits per second Local Area Network A network that spans a sm
45. Link for SNMP NOTE This configuration option is not available and does not appear if EDL is enabled for SNMP NOTE f the local E1 DSU CSU s FDL is enabled for SNMP the remote E1 DSU CSU s FDL must also be enabled for SNMP Circuit Ident Next Edit Clear Prev Network Circuit Identifier Specifies the transmission vendor s circuit identifier for the purpose of facilitating troubleshooting The network circuit identifier is an ASCII text string that may be up to 255 characters in length Edit Allows you to edit and or display the network circuit identifier using the generic text string entry screen Clear Allows you to clear the network circuit identifier The network circuit identifier will be set to a null string 3170 A2 GB20 20 December 1996 C 7 ACCULINK 317 1 DSU CSU Channel Configuration NOTE Options Entering the Channel Chan Configuration branch allows you to select Display Dsply Clear The Channel configuration options are divided into two tables as follows DTE if enabled or one of the DTE Channel Configuration Options Table C 4 data ports Tables C 4 and C 5 describe the DTE and data port Data Port Channel Configuration Options configuration options For Table C 5 information about the operation of Display and Clear refer to the Configuring DS0 Channels section in Chapter 3 Operation Table 4 DTE Channel Configuration Options DTE Channels TS16 Assign DTE Drop Insert
46. OOF Out Of Frame condition ASCII terminal printer message Device Health and Status message front panel LED indication Performance Report message 4 7 troubleshooting 4 11 options strap See configuration options part numbers pattern tests 4 3 Ez3 payload loopback s 4 16 PBX applications 2 PDV Pulse Dou Momo condition 3 6 Perf Performance Report branch example of use 4 5 4 6 in the menu tree A 1 performance reporting 4 5 8 physical description of EI DSU CSU 1 3 1 5 pin assignments D 1 Point to Point Protocol PPP procedure for 2 3 1 used with SNMP system 1 2 2 3 2 4 3 14 1 PORT 1 4 interface channel allocation procedure 3 20 B 26 configuration options C 3 failure message 4 2 front panel LED indications functional description 2 managed by SNMP physical description 1 4 pin assignments D 7 technical specifications 2 Port Configuration branch example of use 3 the menu tree A 1 option table C 3 option worksheet power input cabling example connector 1 4 consumption December 1996 optional ER sources 2 5 7 B 1 D 14 requirement B 1 troubleshootin power module 1 5 E power up self test displaying results 4 2 front panel 2 9 3 5 troubleshooting 4 11 primary clock configuration option functional description procedure for configuring problem determination See troubleshooting protocol link l
47. Prev OR Start At Next Clear D1 D2 D4 D5 D6 07 08 09 D10 011 D31 Prev Data Port Channel Allocation appears for the block method only Designates the starting DSO channel N1 N31 for the Network E1 interface and D1 D31 for the DTE Drop Insert interface Available selections are only those DSO channels that provide enough bandwidth based on the configured data rate to be used as a starting channel number Select the desired starting channel number by pressing the Function key under that number When you make the selection the E1 DSU CSU allocates the correct amount of DSO channels to support the data rate currently configured for the port Clear Deallocates all DSO channels for this port from either the Network E1 interface or the DTE Drop Insert interface NOTE This configuration option does not appear if the individual channel allocation method Chan is selected using the Assign By configuration option or if Prtn is selected using the Assign To configuration option C 10 December 1996 3170 A2 GB20 20 Configuration Options Table C 5 3 of 3 Data Port Channel Configuration Options 1 2 3 5 6 7 8 9 N11 N12 N31 Next is Prev OH D1 D2 D4 D5 D6 D7 09 D10 D11 012 031 Next T Prev Data Port Channel Allocation appears for the individual channel method only Designates the DSO channel to allocate to this port N1 N3
48. YES NO YES YES N A NO YES on separate ports on separate ports YES YES YES on separate on separate ports ports 4 15 ACCULINK 317x E1 DSU CSU Starting a Line Loopback Starting a Payload Loopback The Line Loopback command LLB loops the The Payload Loopback command PLB loops the received signal on the network interface back to the received signal on the network interface back to the network without change network The signal is looped back as close to the DTE Drop Insert port as possible after it has passed through the framing circuitry of the E1 DSU CSU Therefore framing CRCs and BPVs are corrected NETWORK ane INTERFACE NETWORK INTERFACE ALL 1s ALL 1s DCE DCE 495 1431 9 01 PORT 2 PORT 1 ALL 15 ALL 15 To perform a Line loopback 2 EC 1 495 14316 01 Press F2 to select Test from the top level display screen To perform a Payload loopback Press F2 to select Test from the top level menu 2 From the Test screen press F2 to select Lpbk screen 2 From the Test screen press F2 to select Lpbk Test A Ripbk Lpbk Ptrns Test E A Rlpbk Lpbk Ptrns L5 Gm Le le gt 3 From the Loopback screen press F2 to select LLB 3 From the Loopback screen press F3 to select Loopback B ne A LLB PLB Loopback A Abort LLB PLB Test Started appears on Line 2 If a line loopback EN Ej is alrea
49. assignments D 5 D 6 used with ASCII terminal printer 2 8 4 9 used with SNMP system L2 3 14 COMCODE numbers H 1 community name configuration option C 17 procedure for configuring 3 17 B 18 configuration options procedure for changing 3 11 B 14 tables Alarm Ic 16 Channel C 8 C 11 3 33 Index 1 ACCULINK 317x E1 DSU CSU Index 2 DTE Interface General C 12 Network Interface Port 3 6 SNMP 17 22 User Interface 13 15 worksheets 23 24 connectors rear panel cabling examples functional description physical description 1 4 pin assignments D 1 D 15 CPU failure message Ctrl Control branch examples of use E CET 3 11 3 36 in the menu tree Customer 1 zd uration area functional description Ball in the menu tree 1 ore Cust2 Customer 2 configuration area functional description Bal in the menu tree A 1 cyclic redundancy check CRC configuration option C 2 2 55 error indication 7 7 gt Digital Access and Cross connect System 2 1 daisy chaining configuration ops C 15 connectivity 1 2 4 data channel Mid DCLB 4 18 1 18 3 data port See PORT 1 4 interface data terminal loopback DTLB 4 19 4 19 C 3 database SNMP 1 1 2 DC power option dc power option 2 5 B 1 D 14 default configuration options DevFail Device Failure message 4 4 DevHS Device Health and St
50. at least once during the interval The event is performance identified by a letter as follows R A Remote Alarm Indication has been received on the network interface L Loss Of Signal has occurred on the network interface E The Excessive Error Rate threshold has been exceeded F A Frame Synchronization Bit Error has been detected V A Bipolar Violation has been detected If none of these events occurred during the interval StEvnt none will be displayed Complete Bad E1 conditions or loopback tests may Only valid for prevent far end port statistics from reaching the far end port E1 DSU CSU This field indicates whether the performance 15 minute interval contains 900 seconds of statistics If one or more seconds of far end statistics are missing this field will display CompletezNo otherwise it will display Complete Yes This field is only displayed when Far is selected from the Prtn screen AB 1996 0 10 2 0 20 20 Alarms The E1 DSU CSU can be attached either locally or remotely to an ASCII terminal or printer to display or print alarm messages The Communications COM port can be used as the destination for Alarm Set and Alarm Clear messages This enables an ASCII terminal or printer to monitor the EI DSU CSU for alarm conditions Alarms can also be displayed on a PC that 1s using a terminal emulation package Each alarm message contains a customer identification to i
51. can provide a backup path for the other As soon as the ports are configured to be mapped to each other Data Set Ready DSR for the ports is turned on The external backup device can be configured to initiate dialing when it detects the off to on transition of DSR 3170 A2 GB20 20 Selecting the Timing Source The E1 DSU CSU provides the ability to select a primary clock timing source that is used to synchronize all of the 1 and data port interfaces on the 1 DSU CSU The clock for each interface 15 at the appropriate rate for that interface e g 2 048 Mbps for the 1 interfaces the configured port rate for the data ports and is independent of the primary clock rate This means that the primary clock rate and the E1 DSU CSU interface rates may be different 3160 3164 CLOCK NETWORK 3160 3164 NETWORK D Operation The E1 DSU CSU automatically falls back to the secondary clock when a failure of the selected primary clock is detected If a secondary clock failure is detected the E1 DSU CSU falls back to its internal clock The clock source configuration options enable you to select either the Network E1 interface a synchronous data port the internal clock the DTE Drop Insert interface an external clock If external clocking is selected you must use the clock rate configuration option to specify the clock rate Figure 3 12 shows some common clocking configurations Two sample procedures for configuring t
52. certain pre specified conditions These traps a Next Enab Disab enable the SNMP manager to monitor the state of the mee The SNMP Trap configuration option must be enabled for trap messages to be sent over the communications link You must specify the number of SNMP managers that are to receive traps from this device an IP address for each SNMP manager specified and the type of traps to be sent from this device For more information refer to Appendix C Configuration Options and the SNMP Traps section in Chapter 4 Maintenance 3 18 December 1996 3170 A2 GB20 20 Selecting the Number of Trap Managers If you intend to issue traps to an SNMP manager s from this device you must specify the number of SNMP managers that are to receive the traps To specify the number of SNMP managers to receive traps from this device 1 6 7 3170 A2 GB20 20 Press F3 to select Cnfig from the top level menu screen Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary Press F1 to select Edit Press the key from the Edit screen to display the SNMP selection Select SNMP Edit m A User Alarm SNMP m Select Trap from the SNMP Config screen SNMP Config A Trap m le Select the number of SNMP managers to receive traps from 1 through 6 by using th
53. circuit CB CCITT 106 Clear to Send sent to the synchronous data DTE ON CTS is being asserted by the E1 DSU CSU OFF CTS is not being asserted RTS Monitors the state of interchange circuit CA CCITT 105 Request to Send received from the synchronous data DTE ON RTS is being asserted by the synchronous data DTE OFF RTS is not being asserted 3170 A2 GB20 20 December 1996 3 7 ACCULINK 317 1 DSU CSU Displaying Unit Identity identity The identity of the EI DSU CSU serial number model lt number software revision level hardware revision level and customer identification is available through the lt Status branch of front panel menu see Appendix A Front Panel Menu The customer identification is the only identity number NOTE you can change The third from last digit in the To display the E1 DSU CSU s identity ID model number may vary due to the type of power supply shipped 1 Press F1 to select Status from the top level menu with the E1 DSU CSU Refer to screen the label on the bottom of the E1 DSU CSU for the correct model number DSU E1 CEPT A Stat Test Cnfig identity Cust ID xxxxxxxx 2 Press the gt key three times on the Status screen to bring the ID selection onto the front panel LCD Identity SRev XX XX XX Status A DevHS STest Perf CE 3 Press F3 to select ID from the Status screen Ide
54. community name Clear Allows you to clear the second community name Access 2 Read Next Read Prev Access 2 Specifies the type of access allowed for community name 2 This is the type of access allowed for external SNMP managers accessing objects in the MIB using community name 2 Read Allows read only access SNMP Get to the accessible objects in the MIB for this device when community name 2 is used This includes all objects specified as either read only or read write in the MIB RFCs R W Allows read and write access SNMP Get and Set to the objects in the MIB for this device when community name 2 is used Write access 15 allowed for all objects specified as read write in the MIB RFCs Read access is allowed for all objects specified as either read only or read write IP Adr Next Edit Clear Prev IP Address for the E1 DSU CSU Specifies the IP address needed to access the E1 DSU CSU Since this IP Address is not bound to a particular port it can be used for remote access via the FDL or EDL management link Edit Allows you to edit and or display the IP address for the E1 DSU CSU Clear Allows you to clear the IP address for the E1 DSU CSU The IP address is set to 000 000 000 000 NetMask Next Edit Clear Prev Subnet Mask for the E1 DSU CSU Specifies the subnet mask needed to access the E1 DSU CSU Since this subnet mask is not bound to a particular port it can be used for remote access via the FDL or
55. correlation between front panel System Group Supported commands and MIB objects Table E 1 Interface Supported for the network Group interface the DTE Drop Insert interface the synchronous data Management Information ports the COM port and the AUX port Interface statistics counters Base MI B 1 21 3 apply to any port COM or AUX whichever is defined as the SNMP The objects defined by MIB II are organized into management link 10 different groups The EI DSU CSU implements only those groups where the semantics of the group are Address Not supported since this group 1s Translation not supported in MIB II Group 3170 A2 GB20 20 December 1996 E 1 ACCULINK 317 1 DSU CSU IP Group Supported ICMP Group Supported TCP Group Not supported since the TCP protocol is not supported by the DSU CSU UDP Group Supported EGP Group Not supported since the EGP protocol is not supported by the DSU CSU Transmission Supported on the interfaces Group using the DS1 E1 MIB Supported on the synchronous data ports using the RS 232 like MIB Supported on the COM and AUX ports using the RS 232 like MIB SNMP Group Supported System Group MIB The System Group objects are fully supported by the E1 DSU CSU The following sections provide clarification for objects contained in the System Group where it is not otherwise clear how the object definition in MIB II is related to E1 DSU C
56. device does not use FDL This value is always returned for the DTE Drop Insert interface It is also returned for the network interface when the FDL management link is disabled Near End Group The DS1 Current Table Objects dsx1CurrentEntry The following DS current table objects are provided for the network interface only Objects in the table that are not listed are not supported and will return an error status if access is attempted dsx1CurrentIndex The index that identifies the El interface dsx1ICurrentESs Errored Seconds for the current interval dsxlICurrent SESs Severely Errored Seconds for the current interval dsxlCurrentUASs Unavailable Seconds for the current interval dsxlCurrentBESs Bursty Errored Seconds for the current interval Near End Group The 051 Interval Table Objects dsx1 IntervalEntry The following DS1 interval table objects are provided for the network interface only Objects in the table that are not listed are not supported and will return an error status if access is attempted dsxlIntervalIndex The index that identifies the 1 interface e dsxlIntervalNumber The interval number 1 to 96 dsxlIntervalESs Errored Seconds for the interval dsxlIInterval SESs Severely Errored Seconds for the interval E 10 December 1996 dsxlIntervalUASs Unavailable Seconds for the interval dsxlInterval Bursty E
57. down mismatched with the device configuration Start the link layer protocol The SNMP managers link layer protocol is not running No SNMP Cable problem Check that the cable is securely attached at communication both ends via the AUX port Change the Aux Use configuration option to None and then back to SNMP or Daisy as appropriate The link layer protocol is not running 42222 December 1996 3070 2 20 20 Maintenance Test Jacks NET NET MON MON Six test jacks are located on the front panel In In In Figure 4 1 These test jacks allow for two break in tests wk de Network In and Network Out and four monitor access points Equipment Monitor In Equipment Monitor Out Network Monitor In and Network Monitor Out to the El DSU CSU 494 1 4586 Figure 4 1 E1 DSU CSU Test Jacks Test jack functions are shown in Figure 4 2 and described in Table 4 7 EQPT NET NET MON MON Out In Out TERMINAL LINE DSU CSU LINE DID RECEIVER CIRCUITRY RECEIVER NETWORK NET EQPT Port 1 Port 3 NET In 2 Port4 MON Out In 495 14588 02 Figure 4 2 Test Jack Block Diagram Table 4 7 Test Jack Functions Test Jack Name Function NET In A break in test jack that allows a signal to be inserted toward the network by Network In external test equipment The signal is inserted on the DTE side of the E1 DSU CSU NET Out A break in test jack that interrupts the signal coming
58. from damage 1 Connect the green wire to a suitable earth ground due to electrostatic discharge ESD during normal operation When 2 Connect the white wire to the 24 Vdc return performing installation procedures however take proper static control precautions to prevent damage to 3 Connect the orange wire to the 24 Vdc source equipment If you are not sure of the proper static control precautions 4 Cutthe black red and blue wires off at the outer contact your nearest sales or service insulation representative 5 Plug power connector into the E1 DSU CSU DSU CSU POWER PLUG TO CUSTOMER SUPPLIED BATTERY 3170 A2 GB20 20 GREEN EARTH GROUND ORANGE BLUE 24 VDC SOURCE wae 24 VDC RETURN CABLE NUMBER 3100 F 1 520 493 1 4298 Figure 2 10 24 Vdc Power Supply Pinouts December 1996 2 5 ACCULINK 317 1 DSU CSU Installing the Single 48 Vdc Power Supply 2 Connect the green wire to a suitable earth ground To install the E1 DSU CSU using a single source 3 48 Vdc power supply refer to Figure 2 11 and use the following procedure Connect the orange and blue wires to 48 Vdc input source To install the 48 Vdc single source power supply 4 Cutthe white wire off at the outer insulation 1 Connect the black and red wires to the 48 Vdc 5 Plug the power connector into the E1 DSU CSU return source DSU CSU POWER PLUG TO CUSTOMER SUPPLIED BATTERY RED
59. in the vicinity of the leak Notices WARNING THIS EQUIPMENT HAS BEEN TESTED AND FOUND TO COMPLY WITH THE LIMITS FOR A CLASS A DIGITAL DEVICE PURSUANT TO PART 15 OF THE FCC RULES THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT THIS EQUIPMENT GENERATES USES AND CAN RADIATE RADIO FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE THE AUTHORITY TO OPERATE THIS EQUIPMENT IS CONDITIONED BY THE REQUIREMENTS THAT NO MODIFICATIONS WILL BE MADE TO THE EQUIPMENT UNLESS THE CHANGES OR MODIFICATIONS ARE EXPRESSLY APPROVED BY PARADYNE WARNING TO USERS OF DIGITAL APPARATUS IN CANADA THIS CLASS A DIGITAL APPARATUS MEETS ALL REQUIREMENTS OF THE CANADIAN INTERFERENCE CAUSING EQUIPMENT REGULATIONS CET APPAREIL NUM RIQUE DE LA CLASSE A RESPECTE TOUTES LES EXIGENCES DU R GLEMENT SUR LE MATERIEL BROUILLEUR DU CANADA C December 1996 3170 A2 GB20 20 CE Marking Important Instructions Models 3172 A1 410 and 3174 A1 410 Only Models 3172 A1 410 and 3174 A1 410 of this product are marked with the CE mark This mark has been affixed to demonstrate full compliance with the fo
60. invalid combination of loopbacks is in progress the error message Invld Test Combo appears see Table 4 8 for valid loopback test combinations 3170 A2 GB20 20 Starting Data Terminal Loopback The Data Terminal Loopback command DTLB loops the data received from the selected port for all DSO channels allocated to the port back out of the port This loopback occurs after the data passes through the port circuitry but before it reaches the 1 framer DTE NETWORK PORT INTERFACE DTLB DTLB DCE DCE 495 1431 4 01 PORT2 PORT 1 To perform a Data Terminal loopback 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F2 to select Lpbk Test A Lpbk Ptrns Gm Le 3 From the Loopback screen press gt four times to display the DTLB selection on the screen 4 Press F3 to select DTLB Loopback A DCLB Gm Cm 3170 A2 GB20 20 Maintenance 5 From the DTLB screen press the Function key for the port for which you want to perform the data terminal loopback Use the scroll keys if necessary Loopback DTLB A m Test Started appears on Line 2 If a Data Terminal loopback is already in progress the Already Active message appears If an invalid combination of loopbacks 15 in progress the error message Invld Test Combo appears see Table 4 8 for v
61. language in any form or by any means electronic mechanical magnetic manual or otherwise or disclosed to third parties without the express written permission of Paradyne Corporation 8545 126th Avenue North P O Box 2826 Largo Florida 33779 2826 Paradyne Corporation makes no representation or warranties with respect to the contents hereof and specifically disclaims any implied warranties ofmerchantability or fitness for a particular purpose Further Paradyne Corporation reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of Paradyne Corporation to notify any person of such revision or changes A December 1996 3170 A2 GB20 20 Important Instructions Important Safety Instructions 3170 A2 GB20 20 Read and follow all warning notices and instructions marked on the product or included the manual When an ac power source 15 used this product is intended to be used with a three wire grounding type plug a plug which has a grounding pin This 15 a safety feature Equipment grounding is vital to ensure safe operation Do not defeat the purpose of the grounding type plug by modifying the plug or using an adapter Prior to installation use an outlet tester or a voltmeter to check the ac receptacle for the presence of earth ground If the receptacle 15 not properly grounded the installation must not continue until a qualified electrician has corrected the problem
62. level menu screen 3 From the Control screen press the gt key until the Reset selection appears on the screen Control Rel LED ClrReg fay 3 36 December 1996 3170 2 20 20 Operation 1 DSU CSU User Interface 2 Press A key three times Access Security DSUE1CEPT Zs Stat Test Onfig This page of the manual is self lt supporting and can be removed to prevent unwanted knowledge of the security access levels and their selection 3 Press the key once DSUE1CEPT Stat Test Cnfig D The Security screen appears The user interface access security option allows you to A limit access to the E1 DSU CSU to display only and non intrusive functions Level 1 111 access security allows access to all functions available through the menu tree This is the default setting Level 2 Lv1I2 access security restricts access to only those functions that cannot affect the operation of the El DSU CSU in any way At this level Security Lvl1 Lvl2 e None of the functions in the Test or Ctrl branches si c D C3 D All functions on the Stat branch are available e All functions on the Cnfg branch are available for display but they cannot be used to save to a 4 Press to select Lvl1 or press F2 to select LvI2 configuration area Activ Custl Cust2 or Fact After you make a selection the top level screen appe
63. port The error rate selected by this configuration option is determined by the ratio of the number of CRC5 errors to the total number of bits received over a set period of time 10E 4 10E 4 Threshold For example at 1984 kbps EER is declared if more than 1 983 CRC5 errors are detected in a 10 second period It is cleared with less than 1 984 errors in ten seconds 10E 5 10E 5 Threshold For example at 1984 kbps EER is declared if more than 1 189 CRC5 errors are detected in a 60 second period It is cleared with less than 1 190 errors in sixty seconds 10E 6 10E 6 Threshold For example at 1984 kbps EER is declared if more than 119 CRC5 errors are detected in a 60 second period It is cleared with less than 120 errors in sixty seconds 10E 7 10E 7 Threshold For example at 1984 kbps EER is declared if more than 11 CRC5 errors are detected in a 60 second period It is cleared with less than 12 errors in sixty seconds 10E 8 10E 8 Threshold For example at 1984 kbps EER is declared if more than 53 CRC5 errors are detected in three 15 minute intervals It is cleared with less than 54 errors in three 15 minute intervals 10E 9 10E 9 Threshold For example at 1984 kbps EER is declared if more than 5 CRC5 errors are detected in three 15 minute intervals It is cleared with less than 6 errors in three 15 minute intervals NOTE This configuration option is not available and does not appear if EDL is disabled Near e
64. port and the AUX port when these ports are configured as SNMP management links For interfaces that are not configured as an SNMP management link these statistics are not provided and an error status 15 returned if access 15 attempted The objects used to collect output statistics are listed below ifOutOctets ifEntry 16 ifOutUcastPkts ifEntry 17 ifOutNUcastPkts ifEntry 18 ifOutDiscards ifEntry 19 ifOutErrors ifEntry 20 ifOutQLen ifEntry 21 3170 A2 GB20 20 IP Group MIB II The IP Group objects are supported by the El DSU CSU for all data paths which currently are configured to carry IP data to or from the EI DSU CSU including the COM AUX EDL and FDL of the objects in the IP Group other than the IP Address Translation table are fully supported The IP Address Translation table ipNetToMediaTable does not apply to the E1 DSU CSU and will be empty 1 have zero entries The following sections provide clarification for objects contained in the IP Group when it is not clear how the object definition in MIB II 15 related to the El DSU CSU IP Group ipForwarding Object ip 1 This object specifies whether the unit is acting as an IP gateway in respect to the forwarding of a datagram received by but not addressed to this unit Only the following value is supported by the E1 DSU CSU forwarding 1 The unit is acting as a gateway IP Group ipAddrTable Object 20
65. route may be effectively deleted by setting the ipRouteType object to invalid for the entry to be deleted An existing route may be modified by changing fields in the desired entry indexed by ipRouteDest of the routing table A new route may be added by specifying values for a table entry for which the index ipRouteDest does not already exist To add a route using an SNMP set you must specify a group of minimal objects These variable bindings must be contained in a single Protocol Data Unit PDU The objects are described in more detail in the following sections The minimal set consists of ipRouteDest ipRoutelfIndex The following objects are defaulted if not specified in the set PDU used to add a route ipRouteMetricl Defaulted to hop ipRouteMetric2 Defaulted to 1 for standalone devices ipRouteType Defaulted to indirect ipRouteMask Defaulted as specified in the MIB description The following objects are unused in the E1 DSU CSU and setting them will have no effect on the operation of the IP implementation ipRouteMetric3 ipRouteMetric4 ipRouteMetric5 Defaulted to 1 as specified in the MIB ipRouteNextHop Defaulted to 0 0 0 0 E 6 December 1996 The following read only objects must not be specified in the set PDU used to add a route ipRouteProto Set to netmgmt 3 by software ipRouteAge Defaulted to 999 ipRoutelnfo Set
66. still be running You can use the TStat branch of the menu to view the test status to determine if the abort was successful 4 20 December 1996 Test Patterns Use the Test Pattern commands to send and abort transmission of test patterns on the E1 DSU CSU network Available test patterns are 511 A pseudo random bit sequence PRBS that 15 511 bits long on the data ports only This is a PRBS 29 1 test 1 in 8 A test pattern consisting of a one 1 followed by seven zeros on the network only QRSS A quasi random signal source approximating live data that can be monitored for logic errors on the data ports only Sending Test Patterns Use the Send command to start transmission of a test pattern Only one test pattern can be active at a time on one port Table 4 9 lists the valid send test pattern combinations Valid combinations are identified by YES To send a test pattern 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F3 to select Ptrns Test A Ripbk Lpbk Ptrns m le 3 From the Patterns screen press F2 to select Send Patterns Abort Send Mon m L5 Cm 3170 A2 GB20 20 4 From Patterns Send screen press to send 511 pattern F2 to send 1 in 8 pattern or F3 to send a QRSS pattern Patterns Send A 1511 18 QRSS Gm L8 le If you send a 1 in 8 patt
67. trap unique to Paradyne devices A discrepancy between a measured or computed value or condition and the true or specified value or condition Errored seconds Seconds with one or more error events Electrostatic discharge An undesirable discharge of static electricity that can damage equipment and degrade electrical circuitry A wideband digital interface operating at 2 048 Mbps defined by CCITT standards G 703 and G 704 Factory configuration area A configuration option set that is preset at the company read only options An uncorrected hardware error An accidental condition that causes a functional unit to fail to perform its required function Federal Communications Commission A board of commissioners that regulates electrical communication systems that originate in the United States Facility Data Link The selected framing bits in a wide area link that are used for control monitoring and testing Individual DSO channels that may be sold separately or in groups to provide bandwidth that is some fraction of the total E1 capability One identifiable group of bits that includes a sequence of bits for control framing etc December 1996 3170 A2 GB20 20 frame relay framing Generic Interface Extension MIB Get command SNMP ground HDB3 HDLC host Hz ICMP ID branch interface Internet internetwork IP address ISO kbps LAN LCD LCP LED link link layer protocol link trap
68. using four check bits CRC using five check bits December 1996 3170 A2 GB20 20 CRC6 CSA CSU Ctrl branch CTS Custl Cust2 DACS daisy chaining database data port DB15 connector DB25 connector DCE DCLB default DevFail DevHS branch device digital signal diskette DLB DL branch download downstream device drop insert DSR 3170 A2 GB20 20 Glossary CRC using six check bits Canadian Standards Association Channel Service Unit Protects the E1 line from damage and regenerates the E1 signal Control branch of the E1 DSU CSU menu tree Clear to Send V 24 circuit 106 Customer 1 configuration area The first of two sets of customer defined configuration options Customer 2 configuration area The second of two sets of customer defined configuration options Digital Access and Cross connect System A device that allows DSO channels to be individually rerouted and reconfigured Connecting the COM port of one E1 DSU CSU to the AUX port of another E1 DSU CSU to provide SNMP connectivity An organized compilation of computerized data The electrical interface between the E1 DSU CSU and the synchronous data terminal equipment A 15 position connector used on cables or devices A 25 position connector used on cables or devices Data Circuit terminating Equipment or Data Communications Equipment device which provides signal conversion for communication between the DTE and the
69. 1 SNMP Connection Examples 2 3 Important Instructions 2 5 Optional Power cera seres EYE Yu ES 2 5 Cabling Examples 2 8 Power Up Self Test 2 9 10 rrr 3 2 Usine the Front Panel exo Rr 3 2 Displaying Unit Identity 3 8 Displaying LED 3 10 Selecting the DTE Drop Insert or Data Port for LED Display 3 11 Changing Configuration 3 11 Configuring the E1 DSU CSU for SNMP Management 3 14 Loptigbinns SNMP Traps 6244045564945 393 bead ie as 3 18 Configuring DSO Channels 3 20 Providing Backup Capability 3 32 Selectins the Timing SOUE beers s y ws 3 33 Acquiring Releasing the User Interface 3 35 Resetting the Bl 252558582894 eu tere EDGE 3 36 Download Operations 3 36 December 1996 ACCULINK 317 E1 DSU CSU 4 Maintenance Acca T TMRRT 4 2 Pell Test Hea erede hb RE ber nh x RE Ed 4 2 Device Health and SOLUS 4 3 Network Performance
70. 1 for the Network interface and D1 D31 for the DTE Drop Insert interface Line 1 displays the 31 channels for the Network E1 interface or the DTE Drop Insert interface Line 2 displays what is allocated to the DSO channel indicated in Line 1 Possible values for Line 2 are Value Meaning This DSO channel is not allocated You can modify this value on this screen Prtn This DSO channel is allocated to port n where n is a number from 1 to 4 You can modify this value on this screen for this port only Nn This DSO channel is allocated to the Network E1 interface DSO channel n where n is a number from 1 to 31 You cannot modify this value on this screen Dn This DSO channel is allocated to the DTE Drop Insert interface DSO channel n where n is a number from 1 to 31 You can modify this value on this screen Select the channel by pressing the Function key under that number To deallocate a port press the Function key under that port number Pressing the Function key under channels assigned to other ports has no effect NOTE The E1 DSU CSU automatically derives the data rate for the port from the number of DSO channels allocated NOTE f time slot 16 is reserved for signaling D16 automatically connects to N16 and cannot be changed from this screen NOTE For the 3174 DSU CSU there is a hardware limitation that limits the combined bandwidth used by Port1 and Port3 to a total of 2048 kbps and the combined bandwidth used by Port2 and Port
71. 1996 3170 A2 GB20 20 Local Loopback Tests The Local Loopback tests enable you to conduct circuit testing and fault isolation for the digital line The supported local loopback tests are e Line Loopback LLB e Payload Loopback PLB DTE Loopback DLB Repeater Loopback RLB e Data Channel Loopback DCLB e Data Terminal Loopback DTLB NOTE DLB does not appear when the DTE Drop Insert interface is disabled Maintenance The Line Loopback command can be activated and deactivated in response to commands received over the network interface The Network Interface configuration option NET LLB controls whether the E1 DSU CSU responds to the commands transmitted on the network interface to initiate LLBs see Appendix C Configuration Options The data port configuration option NET DCLB controls whether the E1 DSU CSU responds to inband V 54 commands to initiate DCLB for that port see Appendix C Configuration Options Local loopback tests can be aborted Abort Command at any time No more than two local loopbacks can be active at any one time An additional restriction prohibits certain loopbacks from running at the same time Valid loopback combinations listed in Table 4 8 are identified by YES Table 4 8 Valid Loopback Combinations RLB DCLB DTLB LLB N A NO YES PLB NO N A YES DLB YES YES N A RLB YES NO NO DCLB NO NO YES DTLB YES YES YES 3170 A2 GB20 20 December 1996 YES NO YES NO NO
72. 2 DSU CSUS or 1 4 for Model 3174 DSU CSUs An Excessive Error Rate has been detected at synchronous data port n where n is the port number 1 2 for Model 3172 DSU CSUS or 1 4 for Model 3174 DSU CSUs Alarm Cleared An Excessive Error Rate at synchronous data port n where n is the port number 1 2 for Model 3172 DSU CSUS or 1 4 for Model 3174 DSU CSUs If two alarm conditions are detected at once the higher priority alarm is reported However if an even higher priority alarm is detected before the first alarm 15 cleared the later alarm is not reported The alarms listed above are in priority order with the highest priority listed first Alarms remain active until the alarm condition is cleared Also an alarm clear message is only sent when there are no other alarms active For information about alarm configuration options refer to the Alarm Configuration Options section in Appendix C Configuration Options For troubleshooting information refer to the Troubleshooting section on page 4 11 December 1996 4 9 ACCULINK 317 1 DSU CSU SNMP Traps A trap is an unsolicited message that is sent from the EI DSU CSU to an SNMP manager when the device detects certain pre specified conditions These traps enable the SNMP manager to monitor the state of the network The SNMP Trap configuration option must be enabled for trap messages to be sent over the communications link You must specify the number of SN
73. 28 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 Port 4 If Assign By Block 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple If Assign By Chan Figure 3 11 Port Channel Configuration Worksheet Ports 3 and 4 3 26 December 1996 3170 A2 GB20 20 Displaying DSO Channel Assignments Use the Display command in the Channel Configuration branch to view how the DSO channels are currently allocated Line of the display shows the 31 channels of the selected interface Pressing lt 1 or gt scrolls the next three channels onto the LCD Line 2 displays what is allocated to the DSO channel listed Line 1 Symbols used in the display are shown in Table 3 5 Table 3 5 Display Channel Symbols Symbol The DSO channel is not allocated Prtn The DSO channel is allocated to Por
74. 3 enterpriseSecClockFail 4 The currently configured primary clock source has failed A device hardware failure is detected at self test This trap is generated after device initialization An internal device failure is detected by the operating software The currently configured secondary clock source has failed Table 4 5 SNMP Trap per Interface Interface Network E1 DTE Drop Insert Synchronous Data Ports 4 10 December 1996 Trap Meaning Up No alarm conditions Down Alarm conditions Up No alarm conditions and interface is enabled Down Alarm conditions or interface is disabled Up Port assigned to a network interface and both CTS and DSR are ON Down Port unassigned or either CTS or DSR are off 3170 A2 GB20 20 Maintenance Tro bles h ooti n 0 problems other than those listed in the table please contact your service representative The E1 DSU CSU is designed to provide you with many years of trouble free service However Table 4 6 gives you some direction if a problem occurs For Table 4 6 1 of 2 Troubleshooting No power 1 The power cord is not securely plugged into 1 Check that the power cord is securely the wall receptacle or rear panel connector attached at both ends 2 The wall receptacle has no power 2 Check the wall receptacle power by plugging in some equipment that is known to be working Power Up The E1 DSU CSU has detected an internal
75. 3 state Data Ports The interface 15 up 1 when the port is assigned to the E1 interface or another data port as a backup and both CTS and DSR are ON The interface 1s down 2 when the port is unassigned or either CTS or DSR is OFF The interface is testing 3 when a test 1s active on the interface 3170 A2 GB20 20 Interface Group ifLastChange Object ifEntry 9 This object contains the value of sysUpTime at the time the interface entered its current operational state For the El DSU CSU this object is only updated for the and down states This is done since the testing state is not mutually exclusive with the up and down states Interface Group Input Counters objects ifEntry 10 to ifEntry 15 These objects collect statistics on the data received by the COM port and the AUX port when these ports are configured as SNMP management links For interfaces that are not configured as an SNMP management link these statistics are not provided and an error status 15 returned if access 15 attempted The objects used to collect input statistics are listed below ifInOctets ifEntry 10 ifInUcastPkts ifEntry 11 ifInNUcastPkts ifEntry 12 ifInDiscards ifEntry 13 ifInErrors ifEntry 14 if InUnknownProtos ifEntry 15 Interface Group Output Counters objects ifEntry 16 to ifEntry 21 These objects collect statistics on the data received by the COM
76. 32 1288 1344 1400 1456 1512 Port 2 If Assign By Block 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple If Assign By Chan C 26 December 1996 3170 A2 GB20 20 Configuration Options Port Chan Assign Prt1 Prt2 Prt4 Assign By Block Chan Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple Assig
77. 4 16 stu d DIE occ cece eed oe seen ied A Xem eh eee Da Ee oe Red 4 17 DIUI aauk aue Er ETE ae oni ERR RA GRECE E SEs 4 17 Starting a Data Channel Loopback 4 18 melanie abu 34422 9 2 01 d he tr odd odo SA dd ba E 4 19 PREM AIOE 5 ese Rees CEs Row sea eae 4 19 ji 105 0 oa ee ad DADE aeons 4 20 Dondine Teel Fite ons ced esc mL Fre wd ee etd ca PS eee hee aes 4 20 Monitoring Test Patterns on Individual Data Ports 4 22 Pore lest Paters bie ed ge ees 4 22 E oW eer a ee ee ee a eee ee ee ee Sener ee eee ee ey eee ee eee 4 23 te cota Roe eee eee heehee 4 23 4 24 Eunsplaviny BI DUC SIDES ausus dum n bee ieee ee EXTARE EX ES AO See 4 24 3170 A2 GB20 20 December 1996 4 1 ACCULINK 317x E1 DSU CSU Ove rview 2 From the Status screen press F2 to select STest The E1 DSU CSU detect and report faults and perform diagnostic tests These f
78. 4 to 2048 kbps If a selection of Prtn causes this limit to be exceeded the selection is ignored and the will continue to be displayed for the channel 3170 A2 GB20 20 December 1996 C 11 ACCULINK 317 1 DSU CSU General Configuration Options Table C 6 General Configuration Options Pri Clk Src NET Next NET DTE Prti Prt2 Prt4 Int Prev Primary Clock Source Specifies the primary clock source for the E1 DSU CSU This selection synchronizes all internal timing and external interface clocks Failure of the clock specified by this selection results in automatic fallback to the secondary clock source NET Configures the Network 1 interface as the primary clock source DTE Configures the DTE Drop Insert interface as the primary clock source This selection is not available if the DTE Drop Insert interface is disabled If the DTE Drop Insert interface is disabled after making this selection the primary clock source is changed to NET Prt1 2 3 4 Configures data port 1 2 3 or 4 as the primary clock source Set the same port s Transmit Clock to External If you enable EDL for the same port the external device must provide clocking of 8 kbps less than the expected data port rate For example if you select 64 kbps the external clock must supply a 56 kbps clock signal Int Configures the internal clock as the primary clock source Ext Configures an external clock provided through the Clock In c
79. 5 Both Sends trap messages for warmStart and authenticationFailure events to the currently configured trap manager s NOTE This configuration option is not available and does not appear if the SNMP Trap configuration option in the Alarm Configuration Options section is disabled 3170 A2 GB20 20 December 1996 C 21 ACCULINK 317 1 DSU CSU Table C 10 2 of 2 SNMP Trap Configuration Options Entp Trap Enab Next Enab Disab Prev Enterprise Specific Traps Specifies whether enterpriseSpecific traps are enabled For more information refer to the SNMP Traps section in Chapter 4 Maintenance Enab Sends trap messages for enterpriseSpecific events to the currently configured trap manager s Disab Disables the sending of trap messages for enterpriseSpecific events NOTE This configuration option is not available and does not appear if the SNMP Trap configuration option in the Alarm Configuration Options section is disabled Link Trap Both Next Disab Up Down Both Prev Link Trap Type Specifies the link trap type to enable Interfaces monitored for linkUp and linkDown traps be specified with the Trap I F configuration option For more information refer to the SNMP Traps section in Chapter 4 Maintenance Disab Disables the sending of trap messages for linkDown or linkUp events Up Sends trap messages for linkUp events to the currently configured trap manager s Down Sends trap messages for link
80. ACCULINK 317x E1 DATA SERVICE UNIT CHANNEL SERVICE UNIT OPERATOR S GUIDE Document No 3170 A2 GB20 20 December 1996 ACCULINK 317 1 DSU CSU ACCULINK 317x E1 Data Service Unit Channel Service Unit Operator s Guide 3170 A2 GB20 20 3rd Edition December 1996 Changes and enhancements to the product and to the information herein will be documented and issued as a new release Warranty Sales and Service Information Contact your sales or service representative directly for any help needed For additional information concerning warranty sales service repair installation documentation or training use one of the following methods e Via the Internet Visit the Paradyne World Wide Web site at http www paradyne com e Via Telephone Call our automated call system to receive current information via fax or to speak with a company representative Within the U S A call 1 800 870 2221 International call 727 530 2340 Trademarks All products and services mentioned herein are the trademarks service marks registered trademarks or registered service marks of their respective owners ES Printed on recycled paper COPYRIGHT 1996 Paradyne Corporation All rights reserved This publication is protected by federal copyright law No part of this publication may be copied or distributed transmitted transcribed stored in a retrieval system or translated into any human or computer
81. CSU 15232 2 Used to identify the AUX and COM ports 15422 3 Used to identify synchronous data ports that are configured as EIA 530A RS 449 v35 5 Used to identify synchronous data ports that are configured as V 35 General Port Table rs232PortInSigNumber Object rs232PortEntry 3 This object contains the number of input signals contained in the input signal table This 15 the number of signals that can be detected This number is 2 for the synchronous data ports and 0 for the AUX and COM ports General Port Table rs232PortOutSigNumber Object rs232PortEntry 4 This object contains the number of output signals contained in the output signal table This is the number of signals that can be asserted This number is 2 for the synchronous data ports and 0 for the AUX and COM ports General Port Table rs232PortInSpeed Object rs232PortEntry 5 This object contains the port s input speed in bits per second For the E1 DSU CSU the rs232PortInSpeed object has the same value as the rs232PortOutSpeed object The input speed of a synchronous data port is determined by the channel configuration and cannot be changed through this object Thus for the synchronous data ports this object is read only The input speed of the AUX or COM port is the currently configured speed Setting of this value for the AUX or COM port causes the configured port speed to be changed E 12 December 1996
82. Contact your field service representative Self Test fails hardware failure Message LOS at 1 Network cable problem 1 Check that the network cable is securely Net appears 2 No signal is being transmitted at the far end attached at both ends E1 DSU CSU Check the far end E1 DSU CSU status E1 facility problem Contact your E1 facility provider The 120 ohm interface is being used and the Change the RX SHIELD switch to the OPEN RX SHIELD switch is in the EARTH position position when using the 120 ohm interface Message LOS at DTE Drop Insert cable problem Check that the DTE Drop Insert cable is DTE appears securely attached at both ends Check the DTE status No signal being transmitted from the DTE Message OOF at Incompatible framing format between the Check that the framing format for the network Net appears network and the E1 DSU CSU interface is correct Network cabling problem Check that the network cable is securely facility problem attached at both ends Contact your E1 facility provider Message OOF at Incompatible framing format between the Check that the framing format for the DTE DTE appears Drop Insert port on the customer premises Drop Insert interface is correct equipment and the E1 DSU CSU Check that the DTE Drop Insert cable is DTE Drop Insert cabling problem securely attached at both ends Message Network cable problem Check that your network cable is
83. DSU CSU menu tree Self Test Health branch of the E1 DSU CSU menu tree Status Event Register Records the occurrence of certain alarm conditions An IP addressing standard in which a portion of the host address can be used to create multiple network addresses that are logically a subdivision of the network address An integer used with the IP address of the host to determine which bits in the host address are used in the subnet address Data transmission that is synchronized by timing signals Characters are sent at a fixed rate Transmission Control Protocol Internet Protocol The dominant protocol in the worldwide Internet The allocated DSO channel slot when DSO channels are combined to form an aggregate bit stream A notification message to the SNMP manager when an unusual event occurs on a network device such as a reinitialization Test Status branch of the EI DSU CSU menu tree Time slot 16 The time slot which may be reserved for signaling Transmit To send signals from a device Transmit Clock V 24 circuit 114 Transmit Data V 24 circuit 103 Unavailable Seconds count of 1 second intervals when service is unavailable User Datagram Protocol A TCP IP protocol describing how messages reach application programs within a destination computer Underwriter s Laboratories Inc An organization which promotes product safety Volts alternating current Volts direct current A CCITT standard for a low speed 25 posit
84. December 1996 3 170 A2 GB20 20 Configuration Options Table C 2 3 of 4 Port Configuration Options EDL Disab Next Enab Disab Prev Embedded Data Link Specifies whether Embedded Data Link EDL is enabled for a particular port If EDL is enabled then 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data port For example if the port rate is 256 kbps 4 DSO channels allocated and EDL is enabled then only 248 kbps is available to the port EDL provides the following detection of frame synchronization CRC of the data stream excluding the 8 kbps EDL and an in band data link 4 kbps between the local and remote units The 4 kbps in band data link can be used for performance report messages and as a management link for SNMP Enab Indicates the port s EDL is enabled Disab Indicates the port s EDL is disabled NOTE This configuration option is not available and does not appear if the E1 DSU CSU does not have the necessary hardware to support EDL NOTE Ifthe local E1 DSU CSU s EDL is enabled then the remote E1 DSU CSU s EDL must also be enabled NOTE EDL is not recommended for networks in which data is examined for routing purposes e g frame relay x 25 Err Rate 10E 4 Next 10E 4 10 5 10 6 10E 7 10 8 10E 9 Prev Port Excessive Error Rate Threshold Sets the error rate threshold that determines when an Excessive Error Rate EER condition is declared for a particular
85. Down events to the currently configured trap manager s Both Sends trap messages for linkUp and linkDown events to the currently configured trap manager s NOTE This configuration option is not available and does not appear if the SNMP Trap configuration option in the Alarm Configuration Options section is disabled Trap I F All Next NET Elis Ports All Prev Link Trap Interfaces Specifies which interfaces generate linkUp and linkDown trap messages These traps are supported on the E1 interfaces network and DTE Drop Insert and the synchronous data ports Sends trap messages for linkUp and linkDown events occurring on the network interface DTE Sends trap messages for linkUp and linkDown events occurring on the DTE Drop Insert interface This selection is not displayed if the DTE Drop Insert interface is disabled 15 Sends trap messages for linkUp and linkDown events occurring on either the network or DTE Drop Insert interface Ports Sends trap messages for linkUp and linkDown events occurring on the synchronous data ports All Sends trap messages for linkUp and linkDown events occurring on the network interface DTE Drop Insert interface or the synchronous data ports NOTE This configuration option is not available and does not appear if the Link Trap configuration option is not configured to generate trap messages for linkUp or linkDown events C 22 December 1996 3170 A2 GB20 20 Configu
86. EDL management link Edit Allows you to edit and or display the subnet mask for the E1 DSU CSU Clear Allows you to clear the subnet mask for the E1 DSU CSU The subnet mask is set to 000 000 000 000 If the subnet mask is 000 000 000 000 the IP protocol creates a default subnet mask based on the class of the IP address Class A 255 000 000 000 Class B 255 255 000 000 or Class C 255 255 255 000 C 18 December 1996 3 170 A2 GB20 20 Configuration Options Table C 9 3 of 4 General SNMP Configuration Options Com IP Adr Next Edit Clear Prev Com Port IP Address Specifies the IP address for the communication port when it is configured as the SNMP management link The IP address is only in effect when the Com Use configuration option is set to SNMP or Daisy Edit Allows you to edit or display the IP address for the communication port Clear Allows you to clear the IP address for the communication port Com NetMask Next Edit Clear Prev Subnet Mask for the Communication Port Specifies the subnet mask needed to access the unit when the communication port is configured as the SNMP management link The subnet mask is only in effect when the Com Use configuration option is set to SNMP or Daisy Edit Allows you to edit and or display the subnet mask for the communication port Clear Allows you to clear the subnet mask for the communication port The subnet mask is set to 000 000 000 000 If the subnet m
87. Example of Interface Worksheet with TS16 Reserved for Signaling 3 22 December 1996 3170 A2 GB20 20 Operation DROP INSERT INTERFACE D1 NETWORK INTERFACE ae D3 1 4 N2 D5 N3 D6 N4 D7 N5 D8 6 09 N7 D10 8 D11 9 12 N10 D13 N11 D14 N12 D15 5 14 017 15 D18 N16 D19 N17 D20 N18 D21 N19 D22 N20 D23 N21 D24 N22 D25 N23 D26 N24 D27 N25 D28 N26 D29 N27 D30 N28 D31 N29 PORTS N30 PRT 1 N31 PRT 2 PRT 3 PRT 4 496 14898 Figure 3 8 Example of Channel Allocation with TS16 Available for Data 3170 A2 GB20 20 December 1996 3 23 ACCULINK 317 E1 DSU CSU Network E1 _ c Network Channel Allocation E N4 D4 N5 N7 N8 DN 2 DM N14 15 M gt 24 N25 Prt2 M Allocations D1 D31 indicates allocation to DTE Drop Insert channels Prt1 Prt4 indicates allocation to synchronous data ports DTE Interface E E Drop Insert Channel Allocation D11 014 7 D17 i Allocations N1 N31 indicates allocation to Network E1 Channels Figure 3 9 Example of Interface Worksheet with TS16 Available for Data 3 24 December 1996 3170 A2 GB20 20 Port Chan Assign Assign By Port Rate Port 1 If Assign By Block Start At If Assi
88. LEDs Changing Configuration Options The E1 DSU CSU is an intelligent device that displays only valid options for the current configuration Therefore you are only presented with menu choices that are consistent with the current configuration and operational state of the EI DSU CSU invalid combinations of configuration options do not appear For example menus displayed for the Model 3172 2 ports and the Model 3174 4 ports differ due to the number of ports available Also if the DTE Drop Insert interface selection is disabled many of the menu choices do not appear Be aware that although all options are shown in this guide what you see on your E1 DSU CSU varies with your configuration The E1 DSU CSU offers four sets of configuration options located in the following memory areas Active Activ The configuration option set active for the E1 DSU CSU is stored here Before a configuration option set becomes active for the 1 DSU CSU you must save the set to the Active area When the El DSU CSU is shipped from the factory the Active configuration option set is identical to the Factory set This area can be written to and controls the current operation of the device Customer 1 Cust1 The first of two sets of customer defined configuration options This area can be written to Customer 2 Cust2 The second of two sets of customer defined configuration options This area can be written to Factory Fact Th
89. LEDs blink Z l8 L8 0123456789 lt gt ABCDEFGHIJKLMNO fay le 6 When you are satisfied that all LEDs are lighting and the LCD 15 functioning properly abort the Lamp test from the Lamp Test screen The Device Health and Status screen appears automatically if there is no activity on the EI DSU CSU front panel for five minutes However the Lamp test remains active until it is aborted Aborting a Lamp Test To abort the Lamp test 1 Display the Lamp Test screen To do this when the LCD is alternating the Lamp test screens press any Function key Otherwise follow Steps 1 through 3 for starting a Lamp test Lamp Test Abort Start L5 2 From the Lamp Test screen press F1 to select Abort Lamp Test Abort Start fa le December 1996 Displaying E1 DSU CSU Test Status Use the Test Status command to display the active tests for the E1 DSU CSU Status messages that can display the front panel LCD are listed in Table 4 10 To display test status 1 Press 1 to select Stat from the top level menu screen DSUE1CEPT A Stat Test OCnfig m M L8 L5 2 From the Status screen press the key once to display the TStat selection Status A DevHS STest es 3 Press to select TStat Status olest Perf X TStat Gm
90. MP manager To select the COM port as the management link 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press F1 to select Edit 4 Press the key from the Edit screen to display the User selection 5 Select User Edit LA Chan Gen user le 6 Press Next until the Com Use configuration option appears Self Test Enab Next Enab Disab lel 3170 A2 GB20 20 7 Press F2 to configure the port as the management link to an external SNMP manager Use A Next SNMP ASCII Gm 08 le Cm Setting the IP Address The IP address is the address used by the SNMP manager to access the device For devices using PPP the IP address can be negotiated if the network device e g router or SNMP manager supports such negotiation The IP address is composed of four fields with three digits per field xxx xxx xxx xxx The IP address is set for the COM port or the AUX port with LAN Adapter or daisy chain depending on which one has been chosen as the SNMP communications link The example below assumes that an IP address of 010 155 111 222 15 being set for the COM port You can use the same principles to assign any value between 000 and 255 for e
91. MP managers that are to receive traps from this device an IP address for each SNMP manager specified and the type of traps to be sent from this device For more information refer to Appendix C Configuration Options and the Configuring SNMP Traps section in Chapter 3 Operation Trap types consist of the following General traps include warmStart and authenticationFailure The device sends a warmstart trap after it has been reset to indicate that it has just reinitialized itself The device sends an authenticationFailure trap when it has received an SNMP protocol message that has not been properly authenticated These traps are set by the Gen Trap configuration option Enterprise Specific traps signify that the device has recognized an enterprise specific event See Table 4 4 for enterprise specific traps These traps are set by the Entp Trap configuration option e Link Traps identify the condition of the communications interface either linkDown one of the communications interfaces has failed or linkUp one of the communications interfaces has just come up These traps are set by the Link Trap configuration option The communications interfaces for which these traps can be generated are specified by the Trap I F configuration option Table 4 5 defines traps for each interface Table 4 4 Enterprise Specific Trap Definitions Trap Value enterpriseClockFail 1 enterpriseSelfTestFail 2 enterpriseDeviceFail
92. NK 317x E1 DSU CSU Displaying LED Conditions The same conditions monitored by the front panel LEDs can also be monitored by the LED command This command is most useful when the E1 DSU CSU is being accessed remotely see Appendix G Front Panel Emulation When using Front Panel Emulation no LEDs are shown on the PC s screen you must use the Stat command procedure described below to get LED information To display LED conditions on the front panel screen 1 Press 1 to select Stat from the top level menu screen DSUE1CEPT Stat Test Cnfig Gm a 2 From the Status screen press key to display the LED selection Status DevHS STest Perf CE 3 Select LED from the Status screen Status A Perf TStat LED Gm Cm December 1996 From Select LEDs screen press the Function key that corresponds to El or the port for which you want to display LEDs Use the scroll keys if necessary Select LEDs E1 Prt2 m If you chose 1 the LED Display screen lists the LED signals two at a time on the second line A vertical bar at the left of the LED name indicates the condition is ON while an underscore indicates the condition 15 Off LED Display NetSig If you chose a port the Port n LEDs screen lists the LED signals two at a time on the second line A vertical bar at
93. Output Signal Table rs232O0utSigChanges rs232OutSigEntry 4 This object is not supported by the E1 DSU CSU Generic Interface Extension MIB RFC 1229 The generic interface MIB is an experimental MIB that provides extensions to the generic interface group defined in MIB II This MIB describes three tables e Generic Interface Extension Table e Generic Interface Test Table Generic Receive Address Table Only the generic interface test table is supported by the E1 DSU CSU This table is supported for the network interface only Generic Interface Test Table Generic Interface MIB The test table provides access to additional tests loopbacks and pattern tests that are not in the interface group of MIB II Generic Interface Test Table ifExtns TestType Object ifExtnsTestEntry 4 This object is a control variable used to start and stop operator initiated tests on the interface It provides the capability to Start stop the Send 1 in 8 test pattern on network interface Start stop the Send QRSS 511 test pattern on a synchronous data port e Start sending a V 54 UP DOWN code to the remote unit for a synchronous data port Start stop the Monitor QRSS 511 test pattern on a synchronous data port e Start stop the DCLB DTLB loopback test on synchronous data port E 14 December 1996 The following object identifiers control tests on the interface e nolest Stops the test in progr
94. ROUTER DSU CSU LAN PPP ADAPTER 496 14548 Figure 2 7 Connection through a LAN Adapter to SNMP DSU CSU SNMP PPP i _ NMS LAN ETHERNET ROUTER ooooo LAN PPP 02 496 14549 ADAPTER Figure 2 8 LAN Adapter and Daisy Chaining for SNMP Support LAN DSU CSU DSU CSU ROUTER ETHERNET FDL EDL 496 14550a Figure 2 9 Remote SNMP Management through FDL EDL 2 4 December 1996 3170 A2 GB20 20 Installation Important Instructions Optional Power Sources Read and follow all warning notices and instructions The E1 DSU CSU is typically powered by the marked on the E1 DSU CSU or included in this guide power module Use the following procedures only if you want to use an optional dc power source Using the optional dc power cable the E1 DSU CSU is CAUTION capable of operating on either a 24 Vdc power source Disconnect the power cable 48 Vdc single source battery or 48 Vdc redundant before connecting or removing source batteries for power backup To select the power any data cables at the rear of choose one of the following power supply types the unit Installing the 24 Vdc Power Supply To install the E1 DSU CSU using a 24 Vdc power HANDLING PRECAUTIONS supply refer to Figure 2 10 and use the following FOR procedure STATIC SENSITIVE DEVICES To install the 24 Vdc power supply This product is designed to protect sensitive components
95. SU Objects not mentioned are supported as stated in the MIB System Group sysDescr Object system 1 This object provides the full name and version identification for the system hardware and software This object displays the following string DSU CSU model xxxx xx xxx S W Release H W CCA zzzz zzz H W 2 2222 222 Serial number 5555555 Where Xxxx xx xxx represents the full model number of the unit yy yy yy represents the software revision number of the unit ZZZz Zzz represents the hardware revision numbers of the unit 5555555 represents the serial number of the unit E 2 December 1996 System Group sysObjectID Object system 2 This object provides the authoritative identification of the network management subsystem contained in the unit This object displays the following object identifier 3172 1 3 6 1 4 1 74 1 14 2 2 5 3 174 1 3 6 1 4 1 74 1 14 2 2 6 System Group sysServices Object system 7 This object provides a value which indicates the set of services that are potentially offered by the E1 DSU CSU Only the following values are supported by the E1 DSU CSU e physical 1 Layer functionality for all interfaces datalink subnetwork 2 Layer 2 functionality SLIP PPP for the COM and AUX ports e internet 4 Layer 3 functionality IP for all management links end to end 8 Layer 4 functionality UDP for all
96. SU CSU 100 to 240 Vac 3172 A1 410 107764516 Model 3174 DSU CSU 100 to 240 Vac 3174 A1 410 107764524 Model 3172 DSU CSU 24 48 Vdc 3172 A1 510 107765240 Model 3174 DSU CSU 24 48 3174 A1 510 107765232 1 120 Ohm Network Interface Cable 8 pin modular to DB15S 3100 F1 517 107782245 Modular COM Port to PC Cable 8 pin modular to DB9S 3100 F1 550 406941542 COM Port to Terminal Printer Cable 8 pin modular to DB25P 3100 F1 540 406941534 DC Power Cable 3100 F1 520 406941492 Front Panel Emulation Software 3100 C1 010 406942110 EIA 530A to RS449 422 Cable 3100 F 1 580 107116543 EIA 530A to V 35 Cable 3100 F 1 570 107116550 EIA 530A to X 21 Cable 3100 F 1 571 107768103 Wall Mount Rack Mount Adapter 3100 F 1 400 406941674 3170 A2 GB20 20 December 1996 H 1 Activ adapter address agent SNMP aggregate AIS AMI application ASCII ASCII terminal printer asynchronous data authenticationFailure trap AUX port AWG backup capability bandwidth BES bipolar signal 3170 A2 GB20 20 Glossary Active configuration area The configuration option set that is currently active for the device Before a configuration option set becomes active you must save the set to the Active configuration area Hardware that provides some transitional function between two or more devices A symbol usually numeric that identifies the interface attached to a network A software program housed w
97. SU front panel The E1 DSU CSU can either be locally or remotely attached to a 386 or higher PC that has at least 4 MB of RAM An external modem 1s required for remote attachment A copy of the 1 DSU CSU front panel appears on the PC The functionality of the front panel is available by clicking on the Function keys with the mouse rather than by pressing keys from the actual front panel Installing Front Panel Emulation Software The Front Panel Emulation software is supplied on a 3 5 inch 1 44 MB double sided high density write protected diskette with 15 sectors per track 80 tracks per side and 96 tracks per inch This software must be installed on a 386 or higher PC with Microsoft Windows Release 3 1 or higher MS DOS 3 3 or higher and at least 4 MB of RAM A VGA color monitor with VGA adapter or higher resolution is required A mouse is also required The following procedures must be performed in the Windows environment To install Front Panel Emulation software 1 Insert the diskette into the appropriate drive 2 Select File from Program Manager 3 Choose Run 3170 A2 GB20 20 Command Line 10 December 1996 Run Minimized Type the letter of the drive being used by the diskette followed by a colon Then TYPE INSTALL PRESS ENTER An Information screen appears Choose Continue to continue the installation Type the letter of the destination drive followed by a colon default is C
98. TER LAN FRACTIONAL ROUTER NETWORK pu DSU CSU DSU CSU LAN LAN ROUTER ROUTER 496 14313 03 Figure 2 3 Fractional E1 Application Example WIRELESS in CENE MOBILE SWITCH WIRELESS MOBILE SWITCHING CENTER CELL SITE 496 14700 01 Figure 2 4 Wireless DACS Application Example 2 2 December 1996 3170 A2 GB20 20 Installation SNMP Connection Examples Connecting the COM port or the AUX port to an external LAN Adapter for Ethernet SNMP The E1 DSU CSU be connected to an SNMP connectivity Figure 2 7 management system in a number of ways Some examples Daisy chaining the COM port of one device to the AUX port of the other to provide SNMP Directly connecting the COM port to the SNMP connectivity Figure 2 8 manager Figure 2 5 Remotely managing the E1 DSU CSU through the Connecting the COM port to a network device e g Facility Data Link FDL or the synchronous data a router for SNMP management Figure 2 6 port s Embedded Data Link EDL Figure 2 9 SNMP LAN ETHERNET ROUTER DSU CSU SNMP 496 14672 Figure 2 5 Direct Connection to an SNMP Manager LAN ETHERNET ROUTER DSU CSU ee SNMP PPP SLIP 496 14420b Figure 2 6 Connection through a Router to SNMP 3170 A2 GB20 20 December 1996 2 3 ACCULINK 317x E1 DSU CSU LAN ETHERNET
99. Tests 7 testSendV54Down OBJECT IDENTIFIER wellKnownrTests 8 testSendlin8 OBJECT IDENTIFIER wellKnownTests 12 Generic Interface Test Table IfExtns Testhesult Object ifExtns TestEntry 5 This object contains the result of the most recently requested test Only the following values are supported by the EI DSU CSU e none l No test currently active e inProgress 3 A test is currently in progress notSupported 4 The requested test is not supported e unAbleToRun 5 The requested test cannot run due to the state of the unit Generic Interface Test Table IfExtns TestCode Object ifExtns TestEntry 6 This object contains a code that contains more specific information on the test result This object is defined as an object identifier Only the following values are supported by the EI DSU CSU e none No further information is available Used for the send pattern code and loopback tests inSyncNoBitErrors A monitor pattern QRSS or 511 test has synchronized on the pattern and has not detected any bit errors inSyncWithBitErrors A monitor pattern QRSS or 511 test has synchronized on the pattern and has detected bit errors e notInSync A monitor pattern QRSS or 511 test has not synchronized on the requested pattern Where these object identifiers are defined as follows wellKnownCodes OBJECT IDENTIFIER ifExtensions 5
100. The address table is supported by the EI DSU CSU IP Group ipAdEntAdar Object ipAadrEntry 1 The ipAdEntAddr object is an IP address supported by the device and serves as the index to the address table Since indexes for tables must be unique only one ifIndex may be displayed for each IP address supported by the device If you have configured the same IP address for multiple interfaces or for default IP addresses you will not see all interfaces that support a particular IP address upon display of the ipAddrTable IP Group ipAaEntlflndex Object ipAadrEntry 2 For some address table entries the ipAdEntIfIndex object may have a value greater than ifNumber In these cases the ipAdEntIfIndex refers to a proprietary interface which is not currently implemented by the interface group of MIB II December 1996 E 5 ACCULINK 317 1 DSU CSU IP Group ioRoute Table Object 21 The routing table used by the E1 DSU CSU is supported as a read write table Entries in this table may be added deleted or changed You should exercise great caution when adding or modifying routes in the ipRoutingTable In general it should not be necessary to add or modify routes in the E1 DSU CSU In those cases where it is deemed necessary the routes should only be added to the connected device i e the device closest to the destination Internal routing mechanisms will propagate the route to the other devices An existing
101. U CSU DCE Carrier Detect From DSU CSU DCE Request to Send To DSU CSU DCE Receive Clock From DSU CSU 3170 A2 GB20 20 December 1996 D 5 ACCULINK 317 1 DSU CSU 8 POSITION MODULAR PLUG KEYED DB9 NO CONNECTION SOCKET RX DATA RX DATA GROUND GROUND TX DATA TX DATA DTR DTR CD CD NO CONNECTION 493 14153 01 Figure D 3 COM Port to PC Cable 8 POSITION MODULAR PLUG KEYED RX DATA RX DATA GROUND GROUND TX DATA TX DATA DTR DTR CD CD 493 14154 01 Figure D 4 COM Port to Terminal Printer Cable D 6 December 1996 3170 A2 GB20 20 Pin Assignments EIA 530A Port Interface Connector The EIA 530A Port Interface DB25 connector information is shown in Table D 5 Table D 5 EIA 530A Port Interface DB25 Connector Circuit CCITT Signal Number Direction Pin i Signal Common AB 102A 7 Signal Common AC Transmitted Data BA 103 To DSU CSU 2 A 14 B Received Data BB 104 From DSU CSU 3 A 16 B Request to Send CA To DSU CSU Clear to Send CB From DSU CSU 5 A 13 B Received Line Signal Detector CF From DSU CSU 8 A 10 B DCE Ready CC From DSU CSU 6 DTE Ready CD To DSU CSU Transmit Signal Element Timing DTE Source DA To DSU CSU Transmit Signal Element Timing DCE Source DB From DSU CSU Receiver Signal Element Timing DCE Source DD From DSU CSU 17 A 9 B Local Loopback LL To DSU CSU Remote Loopb
102. abling examples CAUTION Disconnect the power cable before connecting or removing any data cables at the rear of the unit NOTE The 120Q 75Q switch selects either the 120 ohm balanced network interface or the 75 ohm unbalanced network interface The RX SHIELD switch selects either an open or earth shield connection for the 75 ohm RX interface This switch must be set to open when using the 120 ohm interface FRONT COM PORT NETWORK NETWORK DSU CSU PANEL y rower TEN E gt Qu NETWORK iD COM PORT NETWORK i SERIAL 5075 1080 2 P ORT POWER PORT PORT TX RX o O DSU CSU Fatet CX uS O TO AC CLOCK IN PORT 1 PORT 2 POWER o dumb MODULE T NOTE POWER 3100 1 520 o 3100 SERIES
103. ach digit field to either port To assign an IP address to the COM port 3170 A2 GB20 20 Press F3 to select Cnfig from the top level menu screen Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary Press F1 to select Edit Press the key from the Edit screen to display the SNMP selection Select SNMP Edit A User Alarm SNMP L8 December 1996 Operation 6 Press F1 to select Gen from the SNMP Config screen SNMP Config Gen Trap Dn le 7 Press F1 Next until the Com IP Adr configuration option appears NOTE Steps 8 and 9 describe the process for entering an IP address This process applies to any IP address 8 Press F2 Edit to edit the IP address You have the option of using F3 Clear to reset the IP address to the factory default 000 000 000 000 Com IP Adr Bi Next Edit Clear Use lt and gt keys to position the cursor under the digit you want to change Press F1 Up to increment the digit or F2 Down to decrement the digit In this example you would press once to place the cursor under the middle digit in the first digit field then press F1 Up once to change the 0 to a 1 Continue in this manner to change the other digits 000 000 000 000 Up Down Save
104. ack To DSU CSU 21 3170 2 20 20 December 1996 7 ACCULINK 317 1 DSU CSU EIA 530A to RS449 Cable Interface The EIA 530A to RS449 adapter cable Figure D 5 provides the RS449 interface shown Table D 6 D 8 930 SIGNAL SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR RLSD A RLSD B DSR SIG COMMON RL LL RCV COMMON TT A TT B TM SIG COMMON DB37 SOCKET Figure D 5 EIA 530A to RS449 Cable 449 SIGNAL SHIELD TD A TD B RD A RD B TXC A TXC B RXC A RXC B RTS A RTS B CTS A CTS B DTR A RR A RR B DM A SIG COMMON RL LL RCV COMMON TT A TT B TM 495 14323 01 3170 A2 GB20 20 Pin Assignments Table D 6 RS449 Cable Interface i Circuit Signal Mnemonic Shield Signal Ground Receive Ground Send Common Send Data SD 103 To DSU CSU 4 A Receive Data RD Request to Send RS 105 To DSU CSU 7 A B Clear to Send CS 106 From DSU CSU 9 A 27 B Receiver Ready RR 109 From DSU CSU 13 A 31 B Data Mode DM 107 From DSU CSU 11 A 29 B Terminal Ready TR 108 1 2 A 113 Terminal Timing TT Send Timing ST Receive Timing RT Local Loopback LL Remote Loopback RL 14 Test Mode TM From DSU CSU 3170 A2 GB20 20 December 1996 D 9 ACCULINK 317 1 DSU CSU EIA 530A to V 35 Cable Interface The EIA 530A to V 35 adapter cable Figure D 6 provid
105. alid loopback test combinations Aborting Loopbacks The Abort Loopback command stops all loopback tests or any selected loopback test currently active on the El DSU CSU To abort one or more loopback tests 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F2 to select Lpbk Test A Ripbk Lpbk Ptrns fa Le le gt 3 From the Loopback screen press F1 to select Abort Loopback n A Abort LLB PLB fa J le December 1996 4 19 ACCULINK 317x E1 DSU CSU 4 From the Loopback Abort screen press the desired Function key to abort All or one specific loopback test Use the scroll keys if necessary Loopback Abort A All LLB PLB l8 L5 If you select ALL LLB PLB DLB or RLB skip Step 5 NOTE DLB does not appear when the DTE Drop Insert interface is disabled 5 From the Abort screen press the Function key that corresponds to the port for which you want to abort the test Use the scroll keys if necessary Abort Test Name Prt1 Prt2 Prt3 Gm ln ie le When abort is complete the message Command Complete appears on the Abort screen NOTE Be careful when selecting a specific loopback test to abort If you mistakenly choose to abort a loopback test that is not currently running a Command Complete message will still display and the loopback that is currently active will
106. all geographic area e g a building Liquid Crystal Display Sealed glass plates containing liquid crystal material When voltage is applied the amount of light passing through the plates is altered so that messages may be displayed Link Control Protocol Light Emitting Diode A status indicator that glows in response to the application of a voltage A communication path between two network nodes The protocol that regulates the communication between two network nodes A trap that identifies the condition of the communications interface linkDown linkUp traps Line Loopback Loops the received signal on the network interface back to the network without change Loss Of Frame The inability to maintain frame synchronization Loss Of Frame Count A count of the number of LOFs declared A test that verifies a device s operation by connecting the device s output to the device s input Loss Of Signal The E1 line condition where there are no pulses December 1996 Glossary 5 ACCULINK 317 1 DSU CSU Lpbk branch LOR manager SNMP MB Mbps menu tree MIB MIB II MRU mobile switching center network NETWORK interface NMS node object SNMP OOF option PAP parity payload PBX PC PDU PDV Perf branch PLB port PORT 1 4 interface POWER connector Glossary 6 Local Loopback branch of the E1 DSU CSU menu tree Link Quality Reports The device that queries agents for manag
107. als that can be detected by the unit for each of the synchronous data ports 3170 A2 GB20 20 Input Signal Table rs232InSigName rs232InSigEntry 2 This object contains the identification of a hardware input signal Only the following values are supported by the EI DSU CSU e rts 1 Request To Send dtr 4 Data Terminal Ready Input Signal Table rs232InSigState rs232InSigEntry 3 This object contains the current signal state Only the following values are supported by the E1 DSU CSU on 2 The signal is asserted off 3 The signal is not asserted Input Signal Table rs232InSigChanges rs232InSigEntry 4 This object is not supported by the E1 DSU CSU Output Signal Table RS 232 like MIB This object contains entries for the output signals that can be asserted by the unit for each of the synchronous data ports Output Signal Table rs232O0utSigName rs232OutSigEntry 2 This object contains the identification of a hardware output signal Only the following values are supported by the EI DSU CSU cts 1 Clear To Send dsr 4 Data Set Ready Output Signal Table rs232OutSigState rs2320utSigEntry 3 This object contains the current signal state Only the following values are supported by the 1 DSU CSU e on 2 The signal is asserted off 3 The signal is not asserted December 1996 E 13 ACCULINK 317 1 DSU CSU
108. are supported for both interfaces 051 Far End Group is not supported Near End Group DS1 E1 MIB The DS1 Near End Group consists of the following four tables DSI Configuration DSI Current 051 Interval DSI Total All four tables are fully supported for network interface Since statistics are not kept for the DTE Drop Insert interface only the DS1 Configuration table 1s fully supported The statistic objects for the DTE Drop Insert interface entry in the DS Current DS1 Interval and DS1 Total tables are always zero null The following sections provide clarification for objects contained in the Near End Group when it is not clear how the object definition in the DSI E1 is related to the DSU CSU Near End Group dsx1TimeElapsed Object dsx1ConfigEntry 3 Applies to the network interface only An error status is returned if access 1s attempted for the DTE Drop Insert interface Near End Group dsx1Validintervals Object dsx1ConfigEntry 4 Applies to the network interface only An error status is returned if access 1s attempted for the DTE Drop Insert interface E 8 December 1996 Near End Group dsx1LineType Object dsx1ConfigEntry 5 This object corresponds to the NET Framing DTE Framing configuration options for the El interfaces on the EI DSU CSU Only the following values are supported by the EI DSU CSU dsxIEI 4 Indicates non CRC 4 framing
109. ars You can only reach the screen that controls security I l access using the front panel If you do not make a selection within 5 minutes the Automatic Device Health Status screen appears Changing User Interface Access Security To change user interface access security 1 Press the 22 key two times from the top level screen DSU E1 Stat Test Cnfig 3170 A2 GB20 20 December 1996 3 37 Maintenance ee ee eee ee ee eee ee ee ee ee ee ee ee 4 2 set ee one Reon EEEE 4 2 Device Health and SIS ep en bas 4 3 Network Performance Reports 4 5 Cl o CCP E O EEE E REEE 4 9 IRE EE ee ee oe eee 4 10 Pe a e E E E ee ee ee ees 4 11 E e E E EE EA 4 13 nno E E E ea eee eee 4 14 Remote Loopback Tests 22 451520049468 Da ER ERE b 4 14 a e E a R 4 15 cud ou den ck n el Drm 4 16 pine a Pado LOOP cacy be vais ohh ed we Ra dre Ead A ROREM EUR EUR de
110. ask is 000 000 000 000 the IP protocol creates a default subnet mask based on the class of the IP address Class A 255 000 000 000 Class B 255 255 000 000 or Class C 255 255 255 000 Com Link PPP Next PPP SLIP Prev Com Port Link Layer Protocol Specifies the link layer protocol for the communication port when it is configured as the SNMP management link This protocol is only in effect when the Com Use configuration option is set to SNMP PPP Specifies PPP as the link layer protocol for the SNMP management link on the communication port SLIP Specifies SLIP as the link layer protocol for the SNMP management link on the communication port The communication port must be configured for asynchronous operation to support SLIP This selection does not appear if the Com Use configuration option is set to Daisy 3170 A2 GB20 20 December 1996 C 19 ACCULINK 317 1 DSU CSU Table C 9 4 of 4 General SNMP Configuration Options Aux Adr Next Edit Clear Prev IP Address for the Auxiliary Port Specifies the IP address needed to access the unit when the auxiliary port is configured as the SNMP management link The IP address is only in effect when the Aux Use configuration option is set to SNMP or Daisy The auxiliary port only supports the PPP link protocol Edit Allows you to edit and or display the IP address for the auxiliary port Clear Allows you to clear the IP address for the auxiliary port The IP address wil
111. assign this port to DSO channels on either the Network E1 interface the DTE Drop Insert interface or another port Assigns this port to DSO channels on the Network E1 interface DTE Assigns this port to DS0 channels on the DTE Drop Insert interface If the DTE Drop Insert interface is disabled this selection is not displayed Prtn Assigns this port to another port where n is the port number of all available ports except the port selected from the Channel Config screen For example if you select Prt1 from the Channel Config screen Prt2 Prt3 and Prt4 appear for the 3174 Use this feature to designate a port as a backup port You can attach an external backup device to Prtn and manually assign the selected port to the backup port i e route data from the selected port to the backup port When a port is assigned to another port DSR is turned on Selecting Prtn and Next takes you directly to the Port Rate configuration option bypassing the Assign By configuration option Only data ports with matching port base rates i e Nx56 or Nx64 are displayed Also EDL does not operate when a synchronous data port is assigned to another synchronous data port Therefore if EDL is enabled it is ignored NOTE Changing this configuration option from one E1 interface to the other NET or DTE deallocates all DSO channels allocated to the previous interface Assign By Block Next Block Chan Prev Data Port Channel Allocation Method I
112. at provide enough bandwidth based on the configured data rate to be used as a starting channel number are displayed Channel allocation for this port can only be cleared by selecting Clear The Assign By configuration option screen appears after you select a port To assign by the block method 1 Press F2 Block Assign By A Next Block Start At Clear Next 1 fa 883 le gt Gm L5 Cm 3170 A2 GB20 20 December 1996 3 29 ACCULINK 317x E1 DSU CSU Individual Channel Assignment Method The Assign By configuration option screen appears after you select a port To assign by the individual channel method 1 Press F3 Chan Assign By zi Next Block Cha fay 2 Press Next to display the next configuration option channel allocation 3 Line 1 displays the 31 channels for the Network EI interface or the DTE Drop Insert interface depending on which destination was chosen This example assumes that the Network E1 interface is the destination Line 2 displays what is allocated to the DSO channel shown in Line 1 Pressing the lt or key scrolls the channels onto the screen in groups of three Select the channel by pressing the Function key under the desired number Portz appears The port is assigned to that channel To deallocate a port press the Function key under that port number Pressing the Function key under channels assigned to ot
113. atus branch example of use 4 3 in the menu tree dimensions DL Download branch in the menu 3 36 DSO channel allocation See channel allocation DTE Configuration branch in the menu tree option table option worksheet C 23 DTE Drop Insert interface channel allocation procedure 3 20 B 26 configuration options failure message 4 2 December 1996 front panel LED indications functional description 1 2 1 5 2 1 managed by SNMP physical description pin assignments D 3 technical specifications B 1 troubleshooting 4 DTE loopback DLB configuration option external control interface EER Excessive Error Rate condition ASCII terminal printer message Device Health and Status message K front panel LED indication Bg Performance Report message troubleshooting EIA 530A interface Embedded Data Link EDL configuration option used with SNMP system 1 2 3 enterprise specific trap 4 10 environmental s Es ecifications B B 2 equipment list H 1 error messages See messages alarm ES Errored Seconds report Facility Data Link FDL configuration option used with SNMP b 3 p 4 F 1 Fact Factory configuration area functional description in the menu failure analysis See troubleshooting failure message during power up self test 2 9 troubleshooting feature numbers features 1 1 1 2 f
114. aximum is 900 seconds This register is valid for the current interval only The number of errored seconds for the current interval An errored second is any second with one or more of the following errored frame alignment CRC error Loss of Signal LOS Alarm Indication Signal 15 or Loss of Frame LOF The maximum is 900 seconds The number of unavailable seconds for the current interval An unavailable second is any one second interval when service is unavailable The maximum is 900 seconds The number of severely errored seconds for the current interval For E1 or DTE registers a severely errored second 15 any second with 805 or more CRC errors 16 or more errored frame alignment signal events or one or more LOS AIS or OOF event For port registers a severely errored second is any second with 320 or more CRC errors or one or more OOF event The maximum is 900 seconds The number of bursty errored seconds for the current interval For E1 or DTE registers a bursty errored second is any second with more than one but less than 805 CRC errors when in CRC4 mode or more than one but less than 16 errored frame alignment signals when in non CRC4 mode For port registers a bursty errored second is any second with more than one but less that 320 CRC errors The maximum is 900 seconds December 1996 Valid interval total Records the number of valid 15 minute intervals in the
115. ayer Ptrns Test Patterns branch example of use 4 20 14 23 in the menu tree A 1 QRSS Test RAI Remote Alarm Indication condition ASCII terminal printer message 4 9 Device Health and Status message front panel LED indication Performance Report message troubleshooting 4 11 rate auxiliary port C 15 communications A 14 external clock C Ic 3 C 10 synchronous data port rear panel connectors See connectors rear panel 1 1 ae 1 3 switch 1 4 1 5 Rel Release branch example of use 3 35 13 36 in the menu tree remote loopback 4 4 14 repeater loopback RLB 4 17 4 18 reset front panel indications 2 9 procedure Reset branch example of use in the menu tree Rlpbk Remote Loopback branch example of use in the menu tree router applications 2 1 RS 449 interface D 9 RX network connector RX shield 1 5 3170 A2 GB20 20 secondary clock configuration option functional description self test displaying results 4 4 2 front panel indications 2 9 2 9 5 troubleshooting 4 Send Ones configuration option Ic 2 lc 4 Serial Line Internet Protocol SLIP procedure for 216 3 16 0 used with SNMP system 1 SES Severly Errored Seconds 2 shield SNMP Simple Network Management Protocol agent i configuration options examples of use 3 14 menu tree branches option table C 17 option worksheet co
116. cking traps SNMP See SNMP traps troubleshooting device health 4 3 diagnostic table 4 11 performance 4 5 4 8 power up self test TStat Test Status branch example of use 4 24 4 26 in the menu tree TX network connector UAS Unavailable Seconds report 4 7 User Configuration branch example of use 3 148 15 in the menu tree option table C 13 option worksheet user interface 3 35 13 36 V 35 interface D 11 V 54 Loop 2 See data channel loopback DCLB V 54 Loop 3 See data terminal loopback DTLB warmsStart trap weight B wireless communications b 11p 2 worksheets configuration option C 23 28 21 interface 0 13 Index 5
117. croll keys if necessary The NET selection is shown as an example only Edit A DTE Por Gm e Cm The configuration options for the selected functional group appear on the front panel one option at a time The option name appears on Line 1 with the current value next to it To reach other options use the Next and Previous selections to scroll forward and backward through the group of options NET Frame noCRC Next CRC4 noCRC Press the appropriate Function key to choose another value Use the scroll keys if necessary Use the Save procedure to save your changes to the Active or Customer area 3170 A2 GB20 20 Saving Edit Changes Save edit changes to the Active area when you want those changes to take effect immediately Save edit Operation Selecting Copying to a Specific Port For the E1 DSU CSU you have the capability of selecting a specific port to configure and then copying the changes to the Customer area when you want to overwrite configuration options from that port to another port or to the existing Customer configuration options and store these changes for future use NOTE If you attempt to exit the Edit function after making changes without performing a Save the E1 DSU CSU prompts you with Save Options Choose Yes or No To save edit changes 1 From the Choose Function screen one level above the Edit screen tw
118. ctory area to the customer 2 area December 1996 E 15 ACCULINK 317 1 DSU CSU panel and how the same function is accomplished using access to the SNMP database SNMP objects are displayed in bold type while values for SNMP objects are displayed in italics Correlation between Menu Commands and SNMP Objects Table E 1 provides a correlation between how a function is performed or status is displayed on the front Table E 1 1 of 3 SNMP MIB to Front Panel Command Cross Reference Front Panel Command SNMP MIB Object Stat DevHS Read the dsx1LineStatus object for NET E1 LOS at NET OOF at NET RAI at NET AIS at NET EER at NET Stat gt DevHS LOS at DTE OOF at DTE RAI at DTE AIS at DTE gt gt gt CurTimer ES UAS SES BES Stat gt Perf gt NET gt Intvl gt Dsply ES UAS SES BES Vldintvi Stat gt Perf gt NET gt 24 Tot Vldintvl ES UAS SES BES E 16 dsx1LossOfSignal dsx1LossOfFrame dsx1RcvFarEnd dsx1HRcvAIS dsx 1 OtherFailure Read the dsx1LineStatus object for DTE E1 dsx1LossOfSignal dsx1LossOfFrame dsx1RcvFarEnd dsx1HRcvAIS Read the value in following objects for E1 dsx1TimeElapsed dsx1CurrentES dsx1CurrentuUAS dsx1CurrentSES dsx1CurrentBES Select the interval number with dsx1IntervalNumber Read the value in the following objects for the NET E1 dsx1IntervalES dsx1IntervalUAS dsx1IntervalSES dsx1IntervalBES dsx1Validintervals
119. d Status command to determine the alarm type OFF No alarm condition exists on the network interface signal EER Yellow Indicates when the excessive error rate has been exceeded on the network interface ON The excessive error rate has been exceeded on the network interface The excessive error rate has not been exceeded on the network interface 3170 A2 GB20 20 December 1996 3 5 ACCULINK 317 1 DSU CSU Table 3 3 DTE Drop Insert Port LEDs Monitors the signal being received from the DTE Drop Insert port ON A recoverable signal is being received from the DTE Drop Insert port The signal cannot be recovered from the DTE Drop Insert port a Loss of Signal condition exists Yellow Monitors Out Of Frame OOF conditions on the received DTE Drop Insert signal ON At least one OOF was detected on the signal during the sampling period No OOFs were detected on the signal during the sampling period Yellow Indicates whether an alarm condition exists on the received DTE Drop Insert signal ON An alarm condition LOS LOF EER RAI AIS exists on the received DTE Drop Insert signal Use the Device Health and Status command to determine the alarm type No alarm condition exists on the DTE Drop Insert Interface signal Yellow Monitors Pulse Density Violations PDV on the received DTE Drop Insert signal ON At least one PDV was detected and corrected on the received DTE Drop Insert signal during the samplin
120. d iu vc e cen ER HE REOR ERG eas ee eens 3 29 Individual Channel Assignment Method 3 30 Allocating DSO Channels from the Drop Insert Interface to the Network Interface 3 30 Clearing DSO Channel Allocation 3 32 Prove Backun Cpa ee hese 65 RP hoe 3 32 the EM S SONCE ened ended oe hoe ees te eee ee qaaa 3 33 tor Network LIBE eat x hota eo Ree dene es ane RM e RR a 3 34 Onan or Eternal maed aate oes Che eee EROR EE SEG eee a eee 3 34 Acquitine Releaeme Me Woe Wiens 25252222222 OA 3 35 Acquiring Active User Interface 3 35 The Act ng eh hie Qa qu PERRA dad Eds 3 35 re ee Ae on her hee a oe Re oe Be eres ERES NUM be ee EE RE 3 36 ionis ee ok ee ee ee beh Ge ee ae Reed WEE ae eee es 3 36 3170 A2 GB20 20 December 1996 3 1 ACCULINK 317 1 DSU CSU Overview This chapter contains information for operating your E1 DSU CSU It includes a description of the front panel and sample procedures for configuring the E1 DSU CSU ACCULINK NET NET nun MON ol old ll 1 Using the Front Panel The E1 DSU CSU front panel Figure
121. d to transmit AIS or to detect an RAI alarm DSU fail The unit failed to internally loop data on the DSU DSU Portn fail Port s integrated circuitry failed to pass device internal testing Unknown Exp Dev The unit is not able to recognize the expansion device connected to the main circuit card 44222222 pDeembrl996 3170 A2 GB20 20 Maintenance Device Health and Status Use the Device Health and Status branch to view current health and status of the DSU CSU When you access this branch one or more status messages appear in priority order highest to lowest on Line 2 of the LCD On the front panel use the scroll keys to view any additional messages Table 4 2 lists these messages in priority order The EI DSU CSU is polled for current status every ten seconds If the status has changed from the last poll the Health and Status screen is updated and the highest priority message is displayed The message DSU Operational appears when there are no other messages To display device health and status 1 Press F1 to select Stat from the top level menu screen DSU CEPT CA Stat Test Cnfig L8 L5 2 From the Status screen press F1 to select DevHS Status A DevHS STest Perf J le Alarm status messages appear on Line 2 of the LCD in priority order highest to lowest 3 Use the scroll keys if necessary to scroll additional device health and status messa
122. detected on the network interface the bit error rate is 10E 3 or greater for 5 seconds The condition is cleared when the error rate falls below the threshold value 10E 4 for 5 seconds RAI at Net A Remote Alarm Indication is being received by the network interface RAI at DTE A Remote Alarm Indication is being received by the DTE Drop Insert interface Primary Clk fail The primary clock has failed Timing for the E1 DSU CSU is provided by the secondary clock Second Clk fail The primary clock and the secondary clock have failed Timing for the E1 DSU CSU is provided by the internal clock OOF at Prtn An Out Of Frame has been detected on data port Prtn where nis the port number 1 2 for the 3172 1 4 for the 3174 This condition only occurs if the synchronous data port s Embedded Data Link EDL is enabled EER at Prtn The error rate of the received signal has exceeded the configured threshold for data port Prtn where nis the port number 1 2 for the 3172 or 1 4 for the 3174 This condition only occurs if the synchronous data port s Embedded Data Link EDL is enabled The condition is cleared when the error rate falls below the synchronous data port s configured threshold value PORT SNMP Down The SNMP management link is in a down state for PORT where PORT is COM or AUX This condition occurs if the PORT is configured for SNMP and communication between the management system and the E1 DSU CSU is not curre
123. devices ipRouteMetric2 is not used and contains 1 When adding a route to the routing table using SNMB do not specify a value for ipRouteMetric2 3170 A2 GB20 20 IP Group ipRouteProto Object ipRouteEntry 9 This object is a read only object and may have the following values in the E1 DSU CSU other 1 Temporary route added by IP e local 2 Route added or modified as a result of user configuration via the front panel e netmgmt 3 Route added or modified by means of an SNMP set icmp 4 Route added or modified by Internet Control Management Protocol ICMP e rip 8 Route added or modified by the Routing Information Protocol RIP or similar proprietary protocol IP Group ipRouteAge Object ipRouteEntry 10 This object is implemented as a read only object in the DSU CSU In the DSU CSU it reflects the value of the route s time to live in seconds When displayed a value of 999 represents a route that 15 retained permanently For temporary routes the ipRouteAge object decrements over time All routes added via an SNMP set of the ipRouteTable are considered permanent routes These routes do not age but will remain unless deleted via SNMP ICMP Group MIB The ICMP Group objects are fully supported by the E1 DSU CSU UDP Group MIB II The User Datagram Protocol UDP Group objects are fully supported by the E1 DSU CSU 3170 A2 GB20 20 Transmission Gr
124. dy in progress the Already Active message appears If an invalid combination of loopbacks is in progress the error message Invld Test Combo appears see Table 4 8 for valid loopback test combinations L5 Test Started appears on Line 2 If a Payload loopback is already in progress the Already Active message appears If an invalid combination of loopbacks is in progress the error message Invld Test Combo appears see Table 4 8 for valid loopback test combinations 46422 December 1996 3070 2 20 20 Starting DTE Loopback The DTE Loopback command DLB loops the received signal on the DTE Drop Insert port back to the DTE without change A DTE loopback can be activated and deactivated based on the state of an external contact on the DTE Drop Insert port If this option is enabled with the DTE Interface configuration option Extrn DLB closing the contact activates a DLB The DLB remains active until the contact is opened Refer to the DTE Drop Insert Interface section in Appendix D Pin Assignments for more information e NETWORK PORT INTERFACE DCE DCE 495 1 4317 01 PORT2 PORT 1 To perform a DTE loopback 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press F2 to select Lpbk Test A Ripbk Lpbk Ptrns L5 3 From the Loopback screen press once to display the DLB selection on the screen
125. e 2 displays what is allocated to the DSO channel shown in Line 1 Pressing the lt 1 or key scrolls the channels onto the screen in groups of three N1 N2 N3 E m If you selected DTE the channels allocated to the DTE Drop Insert interface are displayed Line 1 displays the 31 channels for the DTE Drop Insert interface while Line 2 displays what is allocated to the DSO channel shown in Line 1 D1 D2 D3 ES Allocating Data Ports Assign a specific port Prtl Prt2 for Model 3172 Prt through Prt4 for Model 3174 to DSO channels on either the Network interface or the DTE Drop Insert interface by using the configuration options The following methods are available to assign DSO channels to the port Block Allows a block of contiguous channels to be assigned by specifying a data port rate and an initial DSO channel the first DSO channel in a block of DSO channels The number of channels assigned is determined by the port rate Only those initial DSO channel numbers that provide enough bandwidth based on the port s data rate are displayed on the screen These channels are automatically assigned to the destination E1 interface when the initial DSO channel 15 selected Chan Individually selects the DSO channels to allocate to the data port The data port rate 15 automatically determined based on the number of channels selected 3 28 December 1996 Once a
126. e Area Network WAN interconnection shared access to network based services and fractional E1 network applications The E1 DSU CSU series of products consists of a Model 3172 DSU CSU 2 port and a Model 3174 DSU CSU 4 port Differences between these models are discussed where applicable throughout this guide 3170 A2 GB20 20 Introduction Features The E1 DSU CSU optimizes network performance with a wide range of features such as the following e Software configuration menu displayed via a liquid crystal display LCD to permit quick and easy operation and elimination of complicated hardware strapping e Local or remote configuration and operation flexibility e Several loopback capabilities and test pattern generators DTE drop insert capability e Alarm message display print capability e Front panel emulation via Windows based Front Panel Emulation software Network management provided through industry standard Simple Network Management Protocol SNMP December 1996 1 1 ACCULINK 317 1 DSU CSU DTE Drop Insert Interface The DTE Drop Insert interface is compatible with the signal format of CCITT Recommendation G 703 and the frame structure of CCITT Recommendation G 704 This interface allows DTEs PBXs to share the 1 network with other high speed equipment Alarm Message Capability The El DSU CSU can be attached either locally or remotely to an ASCII terminal or printer to display or
127. e appropriate Function key Use the scroll keys if necessary Num Trap Mgrs 1 Next 1 2 fa L5 Cm Operation Configuring a Destination for SNMP Traps A destination must be configured for each SNMP trap manager specified This configuration option is displayed for the number of trap managers specified by the Number of Trap Managers configuration option To configure an IP address for the SNMP trap manager 1 Press to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press F1 to select 4 Press the gt key from the Edit screen to display the SNMP selection 5 Select SNMP For screen displays see the previous section Selecting the Number of Trap Managers 6 Select Trap from the SNMP Config screen 7 Press F1 Next until the Trapn IP Address configuration option appears 8 Press F2 Edit to edit the IP address You have the option of using F3 Clear to reset the IP address to the factory default 000 000 000 000 Refer to the Setting the IP Address section on page 3 15 for more information on setting an IP address 9 Press Next until the Trapn Destination configuration appears and select the destination for the SNMP trap by using the appropriate Function key Use the scroll keys if necessary Trapn Dst Bi Next None
128. e command To use the Release command 1 Press the key on the top level menu screen to bring the Ctrl branch onto the front panel LCD DSU E1 A Stat Test Cnfig 2 Press F3 to select Ctrl from the top level menu screen DSU A Test Cnfip Ctr Gm 3 35 ACCULINK 317x E1 DSU CSU 3 From the Control screen select Rel Release 4 Select Reset Control Control Rel LED ClrReg A CirReg Reset _ M L8 L5 m The active user interface is released A screen with this message appears No user interface is active until input is received from a user interface 5 From the Device Reset screen press F1 to initiate a reset of the E1 DSU CSU the power up sequence screen appears Press F2 instead to return to the Control screen without initiating a reset Ft Panel A Released Device Reset AJ No fay le Gm aj Resetting the E1 DSU CSU Use the Reset command to perform a power on reset of the El DSU CSU Download Operations To reset the E1 DSU CSU NOTE 1 Press the key once to display the Ctrl selection on the top level menu screen The Download command is for use by service personnel only Loss of primary data could result DSU E1 CEPT from improper use CA Stat Test Cnfig l5 2 Press F3 to select Ctrl from the top
129. e is available to the right of the screen the character appears on the top line If choices are available to both the right and the left of the screen two arrows appear The arrows indicate that you must use the scroll keys to bring the additional options onto the screen wl Ie gm 5 Test Jacks Six test Jacks are located on the front panel Figure 3 4 These are described in the Test Jacks section in Chapter 4 Maintenance NET EQPT NET MON MON In In In Out Out Out 494 1 4586 Figure 3 4 Test Jacks 3 4 December 1996 LEDs There are twelve LEDs on the E1 DSU CSU front panel The five LEDs on the right Figure 3 5 are shared between the DTE Drop Insert port and the data ports Refer to the Selecting the DTE Drop Insert or Data Port for LED Display section later in this chapter to choose which port s status the LEDs display OK FAIL TEST SIG OOF EER SIG OOF ALRM PDV BPV DOM DOM eee NETWORK DTR TXD RXD CTS RTS 493 1 4301 Figure 3 5 E1 DSU CSU LEDs A green LED indicates normal operation A yellow LED indicates a warning for the DTE Drop Insert port or activity for the data ports Conditions are sampled every tenth of a second The twelve front panel LEDs are grouped into four sections to indicate the status of the e System Table 3 1 NETWORK interface Table 3 2 e DTE Drop Insert Port Table 3 3
130. e same clock source as the E1 DSU CSU Int Indicates the clock is provided internally by the E1 DSU CSU on the TXC interchange circuit DB CCITT 114 Ext Indicates the clock is provided externally by the DTE on the XTXC interchange circuit DA CCITT 113 Use this selection when either the primary or secondary clock source is set to this data port InvertTxC Disab Next Enab Disab Prev Invert Transmit Clock Specifies whether the clock supplied by the E1 DSU CSU on the TXC interchange circuit DB CCITT 114 is phase inverted with respect to the Transmitted Data interchange circuit BA CCITT 103 This configuration option is useful when long cable lengths between the E1 DSU CSU and the DTE are causing data errors Enab Indicates TXC supplied by the E1 DSU CSU on this port is phase inverted Disab Indicates TXC supplied by the E1 DSU CSU on this port is not phase inverted InvrtData Disab Next Enab Disab Prev Invert Transmitted and Received Data Specifies whether the port s transmitted data and received data are logically inverted before being transmitted or received This configuration option is useful for applications where HDLC data is being transported Inverting the data ensures that the density requirements for the network Interface are met Enab Indicates the transmitted data and received data for this port are inverted Disab Indicates the transmitted data and received data for this port are not inverted C 4
131. e screen Select NET to assign this port to the Network E1 interface select DTE to assign this port to the DTE Drop Insert interface or press the key and the appropriate Function key to assign this port to another port Assign To NET n Next DTE Gm aj Usethe or key to scroll the desired port rate onto the screen Rates scroll in groups of three Available selections depend on the current base rate selected for the port Press the corresponding Function key to select the port rate Then select Next to display the Start At configuration option on the screen Port Rate 384 Next 64 128 L5 Press F1 Next to display the appropriate configuration options on the screen Use one of the following examples depending on whether you are assigning by block or individual channel m l5 The Start At screen displays the configuration option used to select the starting DSO channel If the destination selected is the Network 1 interface then the Network channels appear on the screen If the destination selected is the DTE Drop Insert interface then these channels appear Block Channel Assignment Method on the screen The following screen shows an example of the Network El interface Use the gt key to scroll the desired channel onto the screen Use the Function keys to select the starting channel Only those DSO channel numbers th
132. e set to Daisy Whenever the cable is connected or disconnected you should change the Daisy selection to ensure that the correct parameters have been negotiated for the link layer 3170 A2 GB20 20 Pin Assignments COM Port Interface The COM port connects to a PC for front panel emulation to an ASCII terminal or printer for alarms to a network device e g a router for SNMP applications to the SNMP LAN Adapter for SNMP applications or to another El DSU CSU s AUX port for daisy chain connectivity The SNMP LAN Adapter includes the cable that is needed to attach it to the E1 DSU CSU The COM port connector is an 8 position keyed modular connector Table D 4 The data signals on this port are referenced to a DTE interface The COM port to PC cable is shown in Figure D 3 and the COM port to terminal printer cable is shown in Figure D 4 Table D 4 COM Port Connector NOTE For daisy chaining an AUX port to a COM port a customer supplied 8 pin to 8 pin straight through cable is required and the appropriate configuration options Com Use and Aux Use must be set to Daisy Whenever the cable is connected or disconnected you should change the Daisy selection to ensure that the correct parameters have been negotiated for the link layer Signal Direction Pin Number DCE Transmit Clock From DSU CSU DCE Receive Data From DSU CSU Signal Ground DCE Transmit Data To DSU CSU DCE Data Terminal Ready To DS
133. e top level menu screen The Monitor screen appears with the error count If the maximum of 99999 is exceeded OvrFlw 2 From the Test screen press F3 to select Ptrns appears instead of the count If the receiver loses synchronization while the monitor 15 active No Sync appears Test ni A Lpbk Ptrns Aborting Test Patterns F1 F2 F3 mJ Use the Abort command to stop all test patterns or any selected test pattern active on the E1 DSU CSU To abort test patterns 3 From the Patterns screen press F3 to select Mon Press F2 to select Test from the top level menu screen Patterns LA Abort Send Mon m 4 From the Patterns screen press for QRSS or F2 for 511 2 From the Test screen press F3 to select Ptrns Test m A Lpbk Ptrns Patterns Mon QRSS 511 3 From the Patterns screen press F1 to select Abort le Patterns A Abort Send m a L8 L5 Cm 422000 Deembrl906 3070 2 20 20 Maintenance 4 From the Patterns Abort screen press the desired Function key to abort either All active test patterns active Send test patterns or the active Monitor Mon test pattern Patterns Abort All Send Mon If you select the E1 DSU CSU terminates all active test patterns and displays the message Command Complete Skip Step 5 NOTE Be careful whe
134. eatures ensure that your Status m EI DSU CSU is giving you optimum performance in your 25 DevHS STest network m L5 Cm Self Test Health Use the Self Test Health command to display the results of the power up self test Possible messages are listed in Table 4 1 See Chapter 2 Installation for more information about power up self test To display power up self test results SelfTst Health 2 Passed 1 Press F1 to select Stat from the top level menu screen rs Stat Test Cnfig 3 View the results of the last power up self test If no problems were found during power up the following message appears le Table 4 1 Self Test Health Messages Message Description Passed No problems were found during power up CPU fail The central processing unit failed internal testing DTE E1 fail The unit failed to internally loop data on the DTE circuit Failure An 8 digit hexadecimal failure code is provided for service personnel LCD fail The front panel liquid crystal display LCD failed Memory fail The unit failed program checksum verification NET E1 fail The unit failed to internally loop data on the network circuit Device fail One or more of the unit s integrated circuit chips failed to pass internal device level testing HDB3 LOS fail The unit failed to encode data properly or to detect Loss Of Signal Alarm fail The unit faile
135. ed on the COM port only one and half 3 One and a half stop bits Supported on the COM port only 3170 A2 GB20 20 Asynchronous Port Table Ts232AsyncPortParity rs232AsyncPortEntry 4 This object specifies the parity used by the port Only the following values are supported by the 1 DSU CSU none l No parity bit odd 2 Odd parity Supported on the COM port only even 3 Even parity Supported on the COM port only Asynchronous Port Table rs282AsyncPortAutoBaud rs232AsyncPortEntry 5 This object specifies the ability to automatically sense the input speed of the port Only the following value is supported by the E1 DSU CSU disabled 2 Autobaud 15 not supported Synchronous Port Table RS 232 like MIB The synchronous port table contains an entry for each of the synchronous data ports and the COM port when the port is configured for synchronous operation For the E1 DSU CSU the entries in the table that are counters rs232SyncPortEntry 3 7 are used to collect statistics and are not supported Synchronous Port Table rs232SyncPortClockSource rs232SyncPortEntry 2 This object specifies the clock source for the port Only the following values are supported by the E1 DSU CSU internal 1 The port uses an internal clock external 2 The port uses an external clock Input Signal Table RS 232 like MIB This table contains entries for the input sign
136. ee the DTE Drop Insert Interface section in Appendix D Pin Assignments Enab Allows the E1 DSU CSU to begin a DLB when the external contact is closed if the current E1 DSU CSU state allows a DLB to be performed If the E1 DSU CSU is already performing a DLB closing the contact will have no effect Opening the contact takes the E1 DSU CSU out of DLB The E1 DSU CSU remains in DLB as long as the contact remains closed Disab Prevents the state of the external contact from affecting the operation of DLB Send Ones Enab Next Enab Disab Prev Send All Ones on DTE Drop Insert Failure Specifies the action to take on the signal transmitted to the network when a valid signal cannot be recovered from the DTE Drop Insert interface due to an LOS OOF or AIS condition Enab Sends all ones on the DSO channels allocated to the network interface when an LOS AIS or OOF condition occurs on the DTE Drop Insert interface Disab Passes the data unchanged to the network interface channels C 2 December 1996 3 170 A2 GB20 20 Configuration Options Port Configuration Options Table C 2 1 of 4 Port Configuration Options Port Type E530 Next E530 V 35 5449 Prev Data Port Type Allows selection of the data port interface type E530 Configures the port as an EIA 530A compatible interface EIA 530A DTEs can be directly connected to the DB25 connector on the back of the E1 DSU CSU V 35 Configures the port as a V 35 co
137. eme presented works for both the LAN and the direct connections Although routing table entries are maintained automatically by 31xx Series devices without the need for user configuration only a maximum of 100 routes is supported for a given device The choice of a host address within a given subnet is completely arbitrary Choose any legal host address for a given subnet without regard to the local or remote devices Although the default route to the NMS is configurable for all devices only devices that have a direct external connection to an NMS via the COM or AUX ports need a default route set In the following example the default port COM or AUX is set in the device connected to the LAN Adapter F 1 ACCULINK 317x E1 DSU CSU ETHERNET 135 18 40 1 LAN ADAPTER SUBNET 135 18 40 0 gt 2 AUX COM IP ADDRESS 135 18 40 2 135 18 1 4 135 18 1 5 S 496 14645 03 Figure F 1 Daisy Chained Standalone Devices at the Central Site F 2 December 1996 3170 A2 GB20 20 Front Panel Emulation CIO Hho eee eeu 1 Installing Front Panel Emulation Software G 1 Starting Front Panel Emulation sooo aded Ra EE bd 2 Overview The E1 DSU CSU offers functionality through Front Panel Emulation software that is similar to that provided by the E1 DSU C
138. ement information or receives unsolicited messages traps indicating the occurrence of specific events Megabytes A unit of memory measurement equal to approximately one million bytes typically 1 048 576 bytes Megabits per second million bits per second A display of EI DSU CSU functions that are accessed by selecting various branches Status Test etc Management Information Base A database of managed objects used by SNMP to provide network management information MIB Release 2 The current Internet standard MIB Maximum Request Unit A facility that provides overall control for a wireless communication system Cell sites are linked to the public telephone network through a mobile switching center A configuration of data processing devices for information exchange The network interface connectors on the rear panel of the EI DSU CSU Network Management System A computer system used for monitoring and controlling network devices A connection or switching point on the network A specific item within a Management Information Base MIB Out Of Frame An error condition in which frame synchronization bits are in error A hardware or software function that can be selected or enabled as part of a configuration process Password Authentication Protocol A way of checking data accuracy by counting the number of bits that have a value of one The information bits in a frame Private Branch Exchange Telephone switch
139. equires the use of a customer supplied 8 pin to 8 pin straight through cable Whenever the cable is connected or disconnected you should change the selection to None and then back to Daisy or SNMP to ensure that the correct parameters have been negotiated for the link layer Aux Rate 19 2 Next 9 6 14 4 19 2 38 4 Prev Auxiliary Port Rate Configures the bit rate for the auxiliary port 9 6 Configures the auxiliary port rate as 9600 bps 14 4 Configures the auxiliary port rate as 14 400 bps 19 2 Configures the auxiliary port rate as 19 200 bps 38 4 Configures the auxiliary port rate as 38 400 bps 3170 A2 GB20 20 December 1996 C 15 ACCULINK 317 1 DSU CSU Alarm Configuration Options Table C 8 Alarm Configuration Options Alrm Msg Disab Next Enab Disab Prev Alarm Messages Controls the generation of alarm messages which are routed to an ASCII terminal or printer attached to the communication port For more information refer to the Alarms section in Chapter 4 Maintenance Enab Enables alarm messages routed to the communication port Disab Prevents alarm messages for any alarm conditions NOTE Alarm messages are only sent to the communication port if the Com Use configuration option is set to ASCII otherwise the alarm messages are discarded SNMP Trap Disab Next Enab Disab Prev SNMP Trap Enable Specifies whether SNMP trap messages are sent over the SNMP management link For more informa
140. ern skip Step 5 From the Send screen press the Function key that corresponds to the port for which you want to send Maintenance The Test Started screen appears Send Name and Dest Test Started Gm L5 If the E1 DSU CSU is already sending the test pattern you selected the message Already active appears If you selected an incompatible test pattern combination the message Invld Test Combo appears See Table 4 9 for valid combinations a test pattern Use the scroll keys if necessary Send Name L8 le gt Table 4 9 Valid Send Test Pattern Combinations 511 Port 1 in 8 Network QRSS Port 511 Port YES on NO YES on separate ports separate ports 1 in 8 Network NO QRSS Port YES on YES on separate ports separate ports 3170 A2 GB20 20 December 1996 4 21 ACCULINK 317x E1 DSU CSU Monitoring Test Patterns 5 From the Monitor screen press the Function key on Individual Data Ports that corresponds to the port for which you want to monitor a test pattern Use the scroll keys if Use the Monitor command to monitor QRSS or 511 necessary test patterns on the channels allocated to an individual data port This command provides the number of errors detected Monitor Name B A Pri in the test pattern 5 digits maximum 99999 To monitor a QRSS or 511 test pattern gt 1 Press F2 to select Test from th
141. es the V 35 interface shown in Table D 7 530 DB25 534 V 35 SIGNAL PLUG SOCKET SIGNAL SHIELD SHIELD TD A TD A TD B TD B RD A RD A RD B RD B TXC A TXC A TXC B TXC B RXC A RXC A RXC B RXC B RTS RTS CTS CTS U gt LL N NOO RLSD DSR SIG COMMON TT A TT B DTR RL LL TM Figure D 6 EIA 530A to V 35 Cable December 1996 Ss ow Uum aa RLSD DSR SIG COMMON TT A TT B DTR RL LL TM 495 14324 01 3170 A2 GB20 20 Pin Assignments Table D 7 V 35 Cable Interface Signal Shield Signal Common 102 Transmitted Data 103 Received Data 104 Request to Send 105 Clear to Send 106 Data Channel Received Line Signal Detector 109 Data Set Ready Data Terminal Ready 108 1 2 To DSU CSU H Transmit Signal Element Timing DTE Source 113 To DSU CSU Transmit Signal Element Timing DCE Source 114 From DSU CSU Receiver Signal Element Timing DCE Source 115 From DSU CSU Local Loopback 141 To DSU CSU Loopback Maintenance 140 To DSU CSU Test Indicator 142 From DSU CSU 3170 A2 GB20 20 December 1996 D 11 ACCULINK 317 1 DSU CSU EIA 530A to X 21 Cable Interface The EIA 530A to X 21 adapter cable Figure D 7 provides the X 21 interface shown in Table D 8 530 DB25 DB15 X21 SIGNAL PLUG SOCKET SIGNAL TD A TD A TD B TD B RD A RD A RD B RD B RXC A RXC A RXC B RXC B
142. ess on the interface e testFullDuplexLoopBack Initiates a DCLB on the interface Only supported for the data ports testLoopDTLB Initiates a DTLB on the interface Only supported for the data ports testMonQRSS Initiates a Monitor QRSS test on the interface Only supported for the data ports testMon511 Initiates a Monitor 511 test on the interface Only supported for the data ports testSendQRSS Initiates a Send QRSS test on the interface Only supported for the data ports testSend511 Initiates a Send 511 test on the interface Only supported for the data ports testSendV54Up Sends a V54 Up code to the remote unit Only supported for the data ports e testSendV54Down Sends a V54 Down code to the remote unit Only supported for the data ports testSend1lin amp 8 Initiates a Send 1 in 8 test on the network interface Where these object identifiers are defined as follows e polest OBJECT IDENTIFIER wellKnownrTests 0 testFullDuplexLoopBack OBJECT IDENTIFIER wellKnowntTests 1 testLoopDTLB OBJECT IDENTIFIER wellKnowntTests 2 testMonQRSS OBJECT IDENTIFIER wellKnownrTests 3 testMon511 OBJECT IDENTIFIER wellKnownrTests 4 testSendQRSS OBJECT IDENTIFIER wellKnownrTests 5 testSend511 OBJECT IDENTIFIER wellKnownrTests 6 3170 A2 GB20 20 testSendV54Up OBJECT IDENTIFIER wellKnownr
143. f NET or DTE is selected using the Assign To configuration option this configuration option designates the method for assigning DSO channels to the destination E1 interface Block Allocates DSO channels to this port by the block method Chan Allocates DSO channels to this port by the individual channel method NOTE If time slot 16 is reserved for signaling the DSO channels associated with time slot 16 are not available for assignment using either method Block or Chan NOTE Changing this configuration option from one method to the other Block or Chan deallocates all DSO channels assigned to either the Network E1 interface or the DTE Drop Insert interface 3170 A2 GB20 20 December 1996 C 9 ACCULINK 317 1 DSU CSU Table C 5 2 of 3 Data Port Channel Configuration Options Port Rate 384 Next 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Prev OR Next 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 Prev Data Port Rate appears when using the block channel allocation method or when a synchronous data port is assigned to another synchronous data port Designates the data rate for the port Available selections depend on the current base rate configured for the port The factory default for Nx64 is 384 kbps and for Nx56 is 336 kbps NOTE T
144. face You can switch an inactive user interface to active if e The current active user interface has had no activity no key was pressed for at least five minutes and or e The active user interface has been released with the Release command Acquiring the Active User Interface To acquire the active user interface press any key If you are using the PC interface use the mouse to click on the desired Function key The top level menu screen appears on the active user interface regardless of what screen was displayed at the previous active user interface DSU E1 CEPT A otat Test Cnfig ej le 3170 A2 GB20 20 December 1996 Operation The inactive interface displays the following message when a Function key is pressed or a connection is made on the inactive user interface and control cannot be switched because the currently active interface 15 in use On the screen either Ft Panel front panel or COM Port is displayed in the user interface User I F field A User I F active L8 le The inactive interface displays the following message after control has been released from the previously active interface and another interface has not become active A User I F idle le Releasing the Active User Interface To release the current active user interface either allow five minutes to elapse without pressing any key or use the Releas
145. from the DTE connected to this port DTR Monitors the DTE Ready interchange circuit CD CCITT 108 1 2 When DTR is interrupted all ones are sent to the network RTS Monitors the Request to Send interchange circuit CA CCITT 105 When RTS is interrupted all ones are sent to the network Both Monitors both DTR and RTS If either is interrupted all ones are sent to the network NOTE For X 21 applications set this configuration option to RTS or Disab RAI Halt Next None Halt Prev Action on Network RAI Alarm Specifies the action taken on this port when a Remote Alarm Indication RAI is received on the network interface None Makes the data port unaffected by RAIs received on the network interface Halt Stops the transmission of data on the port and disables the data port when RAls are received on the network interface When 5 are received all ones are sent on the Received Data interchange circuit BB CCITT 104 The Clear to Send interchange circuit CB CCITT 106 is interrupted Tx Clock Int Next Int Ext Prev Data Port Transmit Clock Specifies whether the transmitted data for the port is clocked using an internal clock provided by the E1 DSU CSU synchronized to the clock source specified by the clock source configuration options in the General configuration option group or an external clock provided by the DTE connected to the port When an external clock is used it must be synchronized to th
146. from the network and allows it Network Out to be terminated by the external test equipment EQPT MON In A monitor jack that nonintrusively monitors the signal going into the terminal Equipment Monitor In equipment DTE EQPT MON Out A monitor jack that nonintrusively monitors the signal coming out of the terminal Equipment Monitor Out equipment DTE NET MON In A monitor jack that nonintrusively monitors the transmitted signal going into the Network Monitor In network This is a composite of the channels allocated to the DTE and data ports NET MON Out A monitor jack that nonintrusively monitors the received signal coming out of the Network Monitor Out network This is a composite of the channels allocated to the DTE and data ports 3170 A2 GB20 20 December 1996 4 13 ACCULINK 317x E1 DSU CSU Te St Com mands 3 From the Rem Loopback screen press the Function key that corresponds to the specific The test commands enable you to run loopbacks and loopback test you want to perform test patterns on the E1 DSU CSU and to test the front panel LEDs These tests can help you isolate areas of trouble if you are having problems with your E1 Rem Loopback A DCLBUP DCLBDN DSU CSU To access all Test commands from the Test branch F1 F2 F3 press F2 to select Test from the top level menu screen DSUE1CEPT The Rem Loop screen appears where is A Stat Test Cntig either DCLBUP or DCLBDN
147. g period No PDVs were detected on the received DTE Drop Insert signal during the sampling period Yellow Monitors Bipolar Violations BPV on the received DTE Drop Insert signal ON At least one BPV was detected and corrected on the received DTE Drop Insert signal during the sampling period No BPVs were detected on the received DTE Drop Insert signal during the sampling period 3 6 December 1996 3170 A2 GB20 20 Operation Table 3 4 Data Port LEDs Name DTR Monitors the state of interchange circuit CD CCITT 108 1 2 Data Terminal Ready received from the synchronous data DTE ON DTR is being asserted by the synchronous data DTE OFF DTR is not being asserted TXD Yellow Monitors activity on interchange circuit BA CCITT 103 Transmitted Data This is the data sent from the synchronous data DTE to the data port on the E1 DSU CSU ON Ones are being received from the synchronous data DTE OFF Zeros are being received from the synchronous data DTE CYCLING Both ones and zeros are being received from the synchronous data DTE RXD Yellow Monitors activity on interchange circuit BB CCITT 104 Received Data This is data sent to the synchronous data DTE from the data port on the E1 DSU CSU ON Ones are being sent to the synchronous data DTE OFF Zeros are being sent to the synchronous data DTE CYCLING Both ones and zeros are being sent to the synchronous data DTE CTS Yellow Monitors the state of interchange
148. ges onto the LCD Device H S A OOF at DTE l5 The Auto Device Health and Status screen appears when there is no activity no keys pressed on the active physical interface for five minutes Only the highest priority message appears on Line 2 of the LCD Auto Dev H S OOF at DTE m l5 3170 A2 GB20 20 December 1996 4 3 ACCULINK 317 1 DSU CSU Table 4 2 Health and Status Messages Message Description LOS at Net A Loss Of Signal condition declared after 175 consecutive zeros has been detected on the network interface The condition is cleared when the density of ones to zeros received Is 12 5 LOS at DTE A Loss Of Signal condition has been detected on the DTE Drop Insert interface The condition is cleared when the density of ones to zeros received is 12 5 OOF at Net An Out Of Frame condition 3 consecutive errored frame alignment events or in CRC4 mode a lack of multiframe alignment has been detected on the network interface The condition is cleared when a reframe occurs OOF at DTE An Out Of Frame condition has been detected on the DTE Drop Insert interface The condition is cleared when a reframe occurs 5 at Net An Alarm Indication Signal unframed all ones signal is being received by the network interface AlS at DTE An Alarm Indication Signal is being received by the DTE Drop Insert interface EER at Net An Excessive Error Rate condition has been
149. gn By Chan Assign To Assign By Port Rate Port 2 If Assign By Block Start At If Assign By Chan Operation Value NET DTE Prt2 Prt3 Prt4 Block Chan Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple NET DTE Prt1 Prt3 Prt4 Block Chan Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Time Slot
150. gt Lpbk gt LLB Set dsx1LoopbackConfig for Net E1 to dsx1LineLoop Test gt Lpbk gt Abort gt LLB Set dsx1LoopbackConfig for E1 to dsx1NoLoop Test gt Lpbk gt PLB Set dsx1LoopbackConfig for E1 to dsx1PayloadLoop Test gt Lpbk gt Abort gt PLB Set dsx1LoopbackConfig for Net E1 to dsx1NoLoop Test gt Lpbk gt DLB Set dsx1LoopbackConfig for DTE E1 to dsx1LineLoop Test Lpbk Abort DLB Set dsx1LoopbackConfig for DTE E1 to dsx1NoLoop Test Lpbk RLB Set dsx1LoopbackConfig for DTE E1 to dsx1PayloadLoop Test gt Lpbk gt Abort gt RLB Set dsx1LoopbackConfig for DTE E1 to dsx1NoLoop Test gt Lpbk gt DCLB gt Prtn Set IfExtnsTestType for port n to testFullDuplexLoopBack Test gt Lpbk gt Abort gt DCLB gt Prtn Set dsx1LoopbackConfig for port n to noTest Test gt Lpbk gt DTLB gt Prtn Set IfExtnsTestType for port n to testLoopDTLB Test gt Lpbk gt Abort gt DTLB gt Prtn Set dsx1LoopbackConfig for port n to noTest Test gt Ptrns gt Send gt QRSS gt Prin Set IfExtnsTestType for port n to testSendQRS Test gt Ptrns gt Abort gt Send gt Prtn Set IfExtnsTestType for port n to noTest Test gt Ptrns gt Send gt 1in8 Set ifExtnsTestType for E1 to testSend1in8 Test gt Ptrns gt Abort gt Send gt NET Set dsx1SendCode for Net E1 to dsx1SendNoCode 3170 A2 GB20 20 December 1996 E 17 ACCULINK 317 1 DSU CSU Table E 1 3 of 3 SNMP MIB to Fr
151. hannel indicates that time slot 16 is reserved for signaling desired Each time that you press the Function key information Pressing 1 Data makes the DTE channel number will scroll up one time slot 16 available for data number If the network channel is currently unassigned lt is displayed on Line 2 the DTE channel number initially displays the same number TS16 Rsvd as the corresponding network channel number Data However if the network channel is currently assigned the DTE channel number is shown as Pressing Function key for D31 wraps display back to D1 Only those channels that are not already assigned will appear on the LCD when scrolling The network channels assigned to ports Prt1 Prt4 are unavailable for assignment NOTE If TS16 is reserved for signaling NE N2 N3 D16 will automatically be assigned to N16 and DTE DSO Di De channels allocated to the network interface must be connected to lt the corresponding channel e g D1 to N1 D2 to 2 etc 9 Press A from the TS16 screen to return to the DTE Channels screen TS16 Rsvd Data Rsvd 3170 A2 GB20 20 December 1996 3 31 ACCULINK 317 1 DSU CSU Clearing DSO Channel Allocation You can clear deallocate all the DSO channels currently allocated to either the Network 1 interface the DTE Drop Insert interface or the synchronous data ports
152. he default network destination is the auxiliary port This selection only appears if the Aux Use configuration option is set to SNMP FDL The default network destination is FDL This selection only appears if the FDL management link is enabled for SNMP EDLn The default network destination is the EDLn port where n is 1 4 This selection only appears if the synchronous data ports EDL management link is enabled for SNMP NOTE lf the chosen default network link is disabled or down data is discarded and you should return to this menu and choose another default network C 20 December 1996 3170 A2 GB20 20 Configuration Options Table C 10 1 of 2 SNMP Trap Configuration Options Num Trap Mgrs 1 Next 1 2 3 4 5 6 Prev Number of Trap Managers Specifies the number of SNMP trap managers that are to receive traps for this unit NOTE You must configure an IP address for each trap manager that is to receive trap messages Trapn IP Adr Clear Next Edit Clear Prev Trap n IP Address Specifies the IP address for each trap manager This configuration option is repeated for all trap managers supported by the unit Edit Allows you to edit or display the IP address for Trap Manager n Clear Allows you to clear the IP address for Trap Manager Trapn Dst None Next None Com Aux FDL EDL1 EDL2 EDL3 EDL4 Prev Trap Manager n Destination Specifies the network destination for Trap Manager n This configuration option is d
153. her ports has no effect N1 N2 A Next Prti 2 le N16 will not appear if time slot 16 TS16 is reserved for signaling This is the default for TS16 3 30 December 1996 Allocating DSO Channels from the Drop Insert Interface to the Network Interface You can allocate DSO channels from the DTE Drop Insert interface to the Network interface and specify whether time slot 16 TS16 is reserved for signaling information To allocate DSO channels from the DTE Drop Insert interface to the Network interface 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press F1 to select Edit 4 Press the gt key from the Edit screen to display the Chan selection 5 Select Chan Edit Port NET Chan e 6 From the Channel Config screen press to select DTE Channel Config Dsply Clear DTE Zs Gm Cm 3 170 2 20 20 Operation 7 From the DTE Channels screen press 1 to select 10 From the DTE Channels screen press F2 to select TS 16 Assign DTE Channels DTE Channels A TS16 Assign A TS16 Assign Gm 89 Cm Le le gt 8 Rsvd Reserved is the default for TS16 This 11 Press the Function key below the network c
154. herwise the original value will be retained 3 17 ACCULINK 317x E1 DSU CSU 11 Press F1 Next until the Access 1 configuration Enabling SNMP Trap Messages option appears To enable SNMP trap messages from this device CommunityName1 1 Press F3 to select Cnfig from the top level menu A Next Edit Clear screen gt 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 12 Press F2 Read or F3 R W 3 Press F1 to select Access 1 A Next Read R W the Alarm selection E 5 Select Alarm Edit 4 Press the gt key from the Edit screen to display The Read selection allows read only access CA User Alarm SNMP SNMP Get to the accessible objects in the MIB when community name 1 is used The R W selection allows Read Write access SNMP Get and Set to objects the MIB Write access is allowed for all objects specified as read write in the MIB Read access is allowed for all objects 6 Press F1 Next until the SNMP Trap specified as read only or read write configuration option appears 7 Press F2 Enab to enable trap messages over the Configuring SNMP Traps SNMP management link A trap is an unsolicited message that is sent from the DSU CSU to an SNMP manager when the device SNMP Trap detects
155. his configuration option does not appear if the individual channel allocation method Chan is selected using the Assign By configuration option NOTE lf time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear NOTE Changing this configuration option from one rate to another deallocates all DSO channels assigned to either the Network E1 interface or the DTE Drop Insert interface NOTE When you enable EDL 8 kbps of the total bandwidth allocated for this port is not available to the synchronous data port For example if you select 256 kbps and EDL is enabled only 248 kbps are available NOTE When you enable EDL for a synchronous data port and the clock source either primary or secondary is set to that synchronous data port the external device must provide a clock of 8 kbps less than the expected data port rate For example if you select 64 kbps the external clock source must supply a 56 kbps clock signal NOTE For the 3174 DSU CSU there is a hardware limitation that limits the combined bandwidth used by Port1 and Port3 to a total of 2048 kbps and the combined bandwidth used by Port2 and Port4 to 2048 kbps Thus when entering this menu the rate choices are limited due to this constraint This limitation only occurs in configurations mapping a port to a port or when mapping ports to the DTE Drop Insert interface and to the network Start At Next Clear 1 N2 5 6 N7 8 9 N10 N11 N31
156. iate Function key Use the scroll keys if necessary 3 Press 1 to select Edit the SNMP selection 5 Press F3 to select SNMP Edit A User Alarm SNMP Press the key from the Edit screen to display Operation 8 Press F2 Edit to edit the community name The factory default community name is public CommunityName1 Next Edit Clear c L8 E89 NOTE Steps 9 and 10 describe the process for entering text strings for SNMP configuration options This process applies to entering any text strings into SNMP configuration options Use lt and gt keys to position the cursor under the character you want to change Press F1 Up or F2 Down to scroll through the valid numbers characters for the text string rae c EET m 85 6 Press F1 to select Gen from the SNMP Config screen SNMP Config A Trap GJ Lal L8 le 7 Press F1 Next until the CommunityNamel configuration option appears December 1996 The F1 Up key scrolls through the ASCII character set in the following order numbers 0 9 lowercase letters a z uppercase letters A Z space character ASCII symbols ascending order based on ASCII code and the End of Line symbol lt The lt erases all characters to the right of the cursor When you are through changing the community name you must press F3 Save to save the value Ot
157. ies that the communication port is used as a proprietary ASCII port supporting Front Panel Emulation software and ASCII alarm messages Daisy Specifies that the communication port is used as an SNMP management port that is daisy chained to the auxiliary port of an another 31xx Series device NOTE SNMP and ASCII selections can be made using the ifAdminStatus MIB object up SNMP testing ASCII NOTE The Daisy selection requires the use of a customer supplied 8 pin to 8 pin straight through cable Whenever the cable is connected or disconnected you should change the Daisy selection as appropriate to ensure that the correct parameters have been negotiated for the link layer Com Type Async Next Async Sync Prev Communication Port Type Specifies whether the communication port uses synchronous or asynchronous operation when itis configured as the SNMP management link Async Configures the communication port for asynchronous operation Sync Configures the communication port for synchronous operation NOTE This configuration option is not available if the Com Use configuration option is set to ASCII or Daisy In these cases the communication port is always asynchronous Com Clk Int Next Int Ext Prev Communication Port Synchronous Clock Specifies whether the communication port uses internal or external clocking when it is configured for synchronous operation Int Configures the communication port for internal clocking
158. iming are given in the following sections Configuring for Network Timing and Configuring for External Timing For more information on configuration options refer to Appendix C 3160 3164 CLOCK NETWORK 3160 3164 CLOCK EXTERNAL 3160 3164 ooooo CLOCK DTE DSX 1 CONNECTOR 3160 3164 TERMINAL EQUIPMENT CLOCK NETWORK 3160 3164 CLOCK NETWORK 3160 3164 CLOCK NETWORK 3160 3164 CLOCK PORT 1 CLOCK NETWORK 496 14341a 01 Figure 3 12 Common Clocking Configurations 3170 A2 GB20 20 December 1996 3 33 ACCULINK 317 1 DSU CSU Configuring for Network Timing To configure for network timing 3 34 Configuring for External Timing 1 Press F3 to select Cnfig from the top level menu screen into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press 1 to select Edit the Gen selection Edit Chan Gen Select the configuration option set to be copied Press the key from the Edit screen to display Select Gen for the general configuration options 6 Select the primary clock source For network press F2 note that network is also the default Pri Clk Src NET n Next DTE L5 NOTE The procedure for configuring the secondary clock source is similar to the example shown above For more information on configuration options
159. ing equipment dedicated to one customer A PBX connects private telephones to each other and to the public network Personal computer In this document references to a PC imply an IBM PC or an IBM compatible PC Protocol Data Unit Used when adding routes in the Internet Pulse Density Violation The number of ones marks pulses is not adequate for the line requirement Performance Report branch of the 1 DSU CSU menu tree Payload Loopback Loops the received signal on the network interface back to the network after it has passed through the framing circuity of the 1 DSU CSU An access point for data entry or exit The synchronous data port interface on the E1 DSU CSU The power input connector on the E1 DSU CSU December 1996 3170 A2 GB20 20 power up self test PPP PRBS primary clock PRM protocol Ptrns branch pulse density QRSS Test RAI RAM register Rel branch reset RFC RIP RJ48C RLB Rlpbk branch router RS 232 RS 232 like MIB RS 449 RTS RX RXC RXD secondary clock 3170 A2 GB20 20 Glossary A test that checks most hardware components when power is applied to the device or a reset is initiated Point to Point Protocol A link layer protocol used by SNMP Psuedo Random Bit Sequence A test pattern containing any possible combination of digital ones and zeros for a given string length The primary timing source used to synchronize all of the and data port i
160. ion DCE DTE interface A standard for a high speed 34 position DCE DTE interface A CCITT standard for local and remote diagnostic loopback tests A CCTIT standard for a data channel loopback DCLB A CCTIT standard for a data terminal loopback DTLB Wide Area Network A network that spans a large geographic area e g a country December 1996 3170 A2 GB20 20 warmStart trap wireless communications XTXC 1118 Test 511 Test 3170 A2 GB20 20 Glossary An SNMP trap that indicates that the device has reinitialized itself The transmission of voice and or data over the airwaves External Transmit Clock V 24 circuit 113 A test pattern consisting of a one 1 followed by seven zeros on the network only A pseudo random bit sequence PRBS that is 511 bits long on the data ports only This is a PRBS 29 1 test December 1996 Glossary 9 3170 A2 GB20 20 Index abort lamp test 4 24 loopback 4 19 test patterns 4 22 ac power module Activ Active configuration area functional description in the menu tree addressing See IP Internet Protocol addressing agent SNMP AIS Alarm Indication Signal condition ASCII terminal printer message Device Health and Status message front panel LED indication Performance Report message 4 7 troubleshooting 4 11 Alarm Configuration branch example of use in the menu tree option table option worksheet alarm messages See messages alarm allocation
161. is 15 a set of configuration options preset at the company This set is determined by what is considered to be the most common configuration used in the EI DSU CSU market Factory options are read only December 1996 3 11 ACCULINK 317x E1 DSU CSU The configuration options are divided into functional groups Appendix C contains a list of the configuration options and defaults These groups are Use the Configuration Cnfig branch of the front panel DTE Drop Insert Interface Table C 1 Port Table C 2 Network Interface Table C 3 Channel Tables C 4 and C 5 General Table C 6 User Interface Table C 7 Alarm Table C 8 General SNMP Table C 9 SNMP Trap Table C 10 menu tree to display or change E1 DSU CSU configuration options see Appendix A Front Panel Menu Displaying Editing Configuration Options To display edit configuration options 3 12 1 Press F3 to select Cnfig from the top level menu screen DSU E1 LA Stat Test Cnfig Gm gt 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary Load from Activ Custi December 1996 3 Press F1 to select Choose Funct Edit Save m L5 From the Edit screen select the functional group you want to edit by pressing the appropriate Function key Use the s
162. isplayed for the number of trap managers n specified by the Number of Trap Managers configuration option None No Trap Manage n network destination Traps are discarded Com The Trap Manager n network destination is the communication port This selection only appears if the Com Use configuration option is set to SNMP or Daisy Aux The Trap Manager n network destination is the auxiliary port This selection only appears if the Aux Use configuration option is set to SNMP or Daisy FDL The Trap Manager n network destination is the FDL management link This selection only appears if the FDL management link is enabled for SNMP EDLn The Trap Manager n network destination is the EDLn port where n is 1 4 This selection only appears if the synchronous data port s EDL management link is enabled for SNMP NOTE f the chosen destination link is disabled or down the traps are discarded Change the trap destination if the link ceases to be operational Gen Trap Both Next Disab Warm Auth Both Prev General Trap Types Specifies the general trap types to enable For more information refer to the SNMP Traps section in Chapter 4 Maintenance Disab Disables the sending of trap messages for warmStart and authenticationFailure events Warm Sends trap messages for warmStart events to the currently configured trap manager s Auth Sends trap messages for authenticationFailure events to the currently configured trap
163. it gt Chan gt DTE gt Assign Set Display dsx1FracNumber and dsx1Fraclfindex for DTE E1 Cnfig gt Activ gt Edit gt Chan gt DTE gt TS16 Display dsx1SignalMode for DTE E1 to none or messageOriented Cnfig gt Activ gt Edit gt Chan gt Prtn gt Assign Set Display dsx1FracNumber and dsx1Fracifindex for DTE or Cnfig gt Activ gt Edit gt Chan gt Dsply NET E1 Cnfig gt Activ gt Edit gt Chan gt Prtn gt Port Rate Display rs232PortlnSpeed rs232PortOutSpeed for port n Cnfig gt Activ gt Edit gt Gen gt Pri Clk Src Display dsx1TransmitClockSource for DTE E1 or NET E1 Displays Cnfig gt Activ gt Edit gt Gen gt Sec Clk Src the active clock only Cnfig gt Activ gt Edit gt User gt Com Rate Set Display rs232PortlnSpeed or rs232PortOutSpeed for COM or Cnfig gt Activ gt Edit gt User gt Aux Rate AUX port Cnfig gt Activ gt Edit gt User gt Char Length Set Display rs232AyncPortBits for COM port Cnfig gt Activ gt Edit gt User gt CParty Set Display rs232AyncPortParity for COM port Cnfig gt Activ gt Edit gt User gt CStop Bits Set Display rs232AyncPortStopBits for COM port E 18 December 1996 3170 A2 GB20 20 IP Network Addressing Scenario d a E rea IP Network Addressing Overview This appendix describes a means of configuring 31xx Series devices in an Internet Protocol IP networ
164. ithin a device to provide SNMP functionality Each agent stores management information and responds to the manager s request for this information A single bit stream that combines two or more bit streams Alarm Indication Signal A signal transmitted instead of the normal signal to maintain transmission continuity and to indicate to the receiving device that a transmission fault exists Alternate Mark Inversion A line coding technique used to accommodate the ones density requirements of E1 lines The use to which a device 15 put American Standard Code for Information Interchange A 7 bit code which establishes compatibility between data services Devices that can be attached either locally or remotely to the EI DSU CSU to display or print alarm messages Data transmission that is synchronized by a transmission start bit at the beginning of a character five to eight bits and one or more stop bits at the end An SNMP trap that indicates that the device has received an SNMP protocol message that has not been properly authenticated The auxiliary communications port on the EI DSU CSU American Wire Gauge indication of wire size The ability to reconfigure the 1 DSU CSU and restore data circuits through an external backup device The range of frequencies that a circuit can pass The greater the bandwidth the more information that can be sent in a given amount of time Bursty Errored Seconds Seconds with more than o
165. jects for managing RS 232 type interfaces e g RS 422 RS 423 etc and supports synchronous data ports and management communication ports on the DSU CSU An EIA standard for a general purpose 37 position DCE DTE interface Request to Send V 24 circuit 105 Receive To obtain signals that have been transmitted Receive Clock V 24 circuit 115 Receive Data V 24 circuit 104 The secondary clock source used to provide timing to the EI DSU CSU when the primary clock fails December 1996 Glossary 7 ACCULINK 317 1 DSU CSU self test server SES Set command SNMP SLIP SNMP Stat branch STest branch StEvnt subnet subnet mask synchronous data TCP IP time slot trap SNMP TStat branch TS16 TX TXC TXD UAS UDP UL Vac Vdc V 24 V 35 V 54 V 54 Loop 2 V 54 Loop 3 WAN Glossary 8 A test that checks most hardware components when power is applied to the device or a reset is initiated A device that offers a specific service such as database management to a client Severely Errored Seconds Seconds with 805 or more CRC errors or errored frame alignment signals or one or more LOS AIS or OOF events Write access to SNMP MIB objects Serial Line Internet Protocol A link layer protocol used by SNMP Simple Network Management Protocol A generic network management system that allows the device to be managed by any industry standard SNMP manager Status branch of the E1
166. k to provide SNMP connectivity to a network management system NMS Since there are many possible network addressing schemes this appendix describes an addressing scheme for a typical customer network scenario This appendix is not intended to be an IP addressing or routing tutorial and a basic understanding of IP and 31xx Series features is assumed IP Network Addressing The IP network addressing scenario Figure F 1 consists of a series of standalone 31xx Series devices daisy chained together with remotes connected via the FDL In this scenario all 31xx Series devices are on the same subnet 135 18 1 0 The subnet mask for each device is 00 A static route is set in the NMS host to subnet 135 18 1 0 The following notes apply to this scenario 3170 A2 GB20 20 Connections to remote devices may be via EDL or FDL however the FDL 16 only available on full 1 links not fractional Els Check with the service provider to be sure that the FDL is end to end 1 not terminated at an intermediate point within the network December 1996 Interconnected 31xx Series devices automatically pass routing information between them however a static route to the subnet s must be set in the routing table of the NMS host This route uses the 31xx Series device connected to the LAN via the LAN Adapter or the NMS via a direct PPP or SLIP connection as a gateway to the subnet s In all instances the addressing sch
167. l SNMP manager or network device e g a router The SNMP manager or network device can be directly connected to the communications COM port An external LAN Adapter can be connected to either the COM port or the auxiliary AUX port to provide Ethernet connectivity Also the El DSU CSU can be daisy chained together by connecting the COM port of one device to the AUX port of the other providing SNMP connectivity The SNMP management system can communicate to the EI DSU CSU remotely through the Facility Data Link FDL or the synchronous data port s Embedded Data Link EDL FDL provides an in band channel for performance and control signals on the network interface It uses the spare bit in time slot zero as defined in CCITT standard G 704 EDL provides the ability to detect and synchronize on a framing pattern provides cyclic redundancy checking CRC and maintains near end and far end performance statistics 1 2 December 1996 3170 A2 GB20 20 Physical Description Rear Panel The E1 DSU CSU rear panel contains the connectors and switches required for the operation of the 1 DSU CSU Figures 1 2 and 1 3 The connectors and switches are described in Table 1 1 The El DSU CSU series of products consists of a Model 3172 DSU CSU 2 port and a Model 3174 DSU CSU 4 Front Panel The E1 DSU CSU front panel Figure 1 1 contains One 2 line 16 alphanumeric character per line liquid crystal display LCD
168. l be set to 000 000 000 000 Aux NetMask Next Edit Clear Prev Subnet Mask for the Auxiliary Port Specifies the subnet mask needed to access the unit when the auxiliary port is configured as the SNMP management link The subnet mask is only in effect when the Aux Use configuration option is set to SNMP or Daisy Edit Allows you to edit and or display the subnet mask for the auxiliary port Clear Allows you to clear the subnet mask for the auxiliary port The subnet mask is set to 000 000 000 000 If the subnet mask is 000 000 000 000 the IP protocol creates a default subnet mask based on the class of the IP address Class A 255 000 000 000 Class B 255 255 000 000 or Class C 255 255 255 000 Def Netwk None Next None Com Aux FDL EDL1 EDL2 EDL3 EDL4 Prev Default Network Destination Specifies the default network destination This configuration option specifies where the default network is connected For example if the default network is connected to the communication port you select Com the default network is connected to the far end 31xx Series device over the FDL you select FDL The routing protocol uses the default network destination to route data that does not have a specific route None No default network destination Data that cannot be routed is discarded Com The default network destination is the communication port This selection only appears if the Com Use configuration option is set to SNMP Aux T
169. llowing European Directives 3170 A2 GB20 20 Directive 73 23 EEC Council Directive of 19 February 1973 on the harmonization of the laws of the member states relating to electrical equipment designed for use within certain voltage limits as amended by Directive 93 68 EEC Directive 89 336 EEC Council Directive of 3 1989 on the approximation of the laws of the member states relating to Electro Magnetic Compatibility EMC as amended by Directive 93 68 EEC Directive 91 263 EEC Council Directive of 29 April 1991 on the approximation of the laws of the member states concerning telecommunication terminal equipment including the mutual recognition of their conformity as amended by Directive 93 68 EEC The application of this directive is in relation only to network connection via the 120 ohm G 703 interface as specified in CTR12 December 1996 D 3170 A2 GB20 20 3 Operation Table of Contents Objectives and Reader Assumptions iii Related Documents lii Reference Documents lii 1 Introduction d qo ck ns ew ere 6 Oe Ee ed 5 Ged 1 1 PS Mia eee he be ee ee sd amd NUES Sg STI 1 1 Physical Descriptio shee osa been dg Lan pa era dare 1 3 2 Installation noo Ba ee eee 2 1 Application Examples 2
170. mpany For cable feature numbers refer to Appendix H Equipment List This appendix describes the connector pin assignments for the E1 DSU CSU Paradyne cables and customer supplied cables 3170 A2 GB20 20 December 1996 D 1 ACCULINK 317 1 DSU CSU E1 Network Interface Table D 1 E1 120 Ohm Balanced The E1 network interface is either two BNC connectors Interface Connector Transmit and Receive for a 75 ohm unbalanced interface or an RJ48C 8 position unkeyed modular connector Table D 1 for a 120 ohm balanced interface Signal Receive Ring The 1 120 ohm network interface adapter cable 15 shown in Figure D 1 Receive Tip Receive Shield Transmit Ring Transmit Tip 8 POSITION DB15 MODULAR SOCKET PLUG UNKEYED RECEIVE RING C TWISTED PAIR C RECEIVE RING RECEIVE TIP SHIELD GROUND SHIELD GROUND TRANSMIT RING ES E TRANSMIT RING TRANSMIT TIP E Ss TRANSMIT TIP SHIELD GROUND SHIELD GROUND NO CONNECTION NO CONNECTION 495 1 4698 Figure D 1 E1 120 Ohm Network Interface Adapter Cable D 2 December 1996 3170 A2 GB20 20 Pin Assignments Drop Insert Interface Table D 2 DTE Drop Insert Connector Receiver Tip from DTE 1 Receiver Ring from DTE Transmitter Tip to DTE 3 Transmitter Ring to DTE Relay Contact Sense Return 12 Relay Contact Sense The DTE Drop Insert interface connector is a DB15 type socket connector Table D 2 For information
171. mpatible interface V 35 DTEs can be connected to the DB25 connector using an EIA 530 to V 35 adapter cable RS449 Configures the port as an RS449 compatible interface RS449 DTEs can be connected to the DB25 connector using an EIA 530A to RS449 adapter cable NOTE For X 21 applications set this configuration option to RS449 and set the All Ones configuration option to RTS or Disab Base Rate Nx64 Next Nx64 Nx56 Prev Data Port Base Rate Allows selection of the base rate for the data port The data rate for the port is a multiple from 1 to 31 of the base rate specified with this configuration option Nx64 Sets the base rate for this port to 64 kbps The data rate will be Nx64 kbps where N is a number from 1 to 31 Nx56 Sets the base rate for this port to 56 kbps The data rate will be Nx56 kbps where N is a number from 1 to 31 Net DCLB Disab Next Enab Disab Prev Network Initiated DCLB Allows the initiation and termination of a Data Channel Loopback V 54 loop 2 by the receipt of a V 54 DCLB actuate sequence DCLB release sequence from the network or far end E1 DSU CSU Enab Allows the E1 DSU CSU to begin a DCLB for this port when it receives a DCLB actuate sequence if the current E1 DSU CSU state allows a DCLB to be performed Receiving a DCLB release sequence terminates the DCLB Disab Ignores the DCLB actuate and DCLB release sequences for this port Port LB Disab Next Disab Both Prev
172. n To NET DTE Prt1 Prt2 Prt3 Port Rate Port 3 If Assign By Block If Assign By Chan Assign By Block Chan Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 Port 4 If Assign By Block 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple If Assign By Chan 3170 A2 GB20 20 December 1996 C 27 28 ACCULINK 317 1 DSU CSU General SNMP Edit Clear Edit Clear System Contact Edit Clear CommunityName1 Edit Clear Access 1 Read R W CommunityName2 Access 2 Read R W IP Adr Edit Clear NetMask Edit Clear Edit Clear Edit Clear None Com Aux FDL EDL1 EDL2 EDL3 EDL4 System Name System Location Aux IP Adr Aux NetMask Def Netwk December 1996 SNMP Trap Options Value 1 2 3 4 5 6 Edit Clear
173. n selecting a specific test pattern to abort If you mistakenly choose to abort a test pattern that is not currently running a Command Complete message still displays and the test pattern currently active still runs You can use the TStat branch of the menu to view the test status to determine if the abort was successful 5 From the Abort screen press the Function key that corresponds to the network or port for which you want to abort a test pattern Use the scroll keys if necessary Abort Send or Mon NET Prti Prt2 The E1 DSU CSU terminates the selected test pattern and displays the message Command Complete 3170 A2 GB20 20 Lamp Test Use the Lamp Test commands to start and stop a test of the E1 DSU CSU front panel LCD and LEDs Starting a Lamp Test To start a Lamp test 1 Press F2 to select Test from the top level menu screen 2 From the Test screen press once to display the Lamp selection on the screen Test Hlpbk Lpbk Ptrns 3 From the Test screen press to select Lamp Test A Lpbk Ptrns Lamp 4 From the Lamp Test screen press F2 to select Start Lamp Test Abort Start A m L5 December 1996 4 23 4 24 ACCULINK 317x E1 DSU CSU 5 The following screens alternately appear on the LCD until you press a Function key to return to the Lamp Test screen In addition all
174. nd Disab Next Disab Maint Send Both Prev Near End Performance Statistics Specifies whether the E1 DSU CSU will maintain near end performance statistics and send performance report messages PRMs for a particular port Disab Disables near end performance statistics and does not send PRMs Maint Maintains near end performance statistics for this port Send Sends PRMs over the port s EDL every second Each PRM contains the performance statistics for the previous 4 seconds Both Maintains near end performance statistics and sends PRMs over the port s EDL NOTE This configuration option is not available and does not appear if EDL is disabled NOTE Ifthe local E1 DSU CSU is configured to send near end performance statistics then the remote E1 DSU CSU must be configured to maintain far end performance statistics 3170 A2 GB20 20 December 1996 C 5 ACCULINK 317 1 DSU CSU Table C 2 4 of 4 Port Configuration Options Far end Disab Next Disab Maint Prev Far End Performance Statistics Specifies whether to monitor for far end performance report messages PRMs and maintain far end performance registers for a particular port Disab Disables far end performance statistics Maint Monitors the port s EDL for PRMs and maintains far end performance statistics NOTE This configuration option is not available and does not appear if EDL is disabled NOTE Ifthe local E1 DSU CSU is configured to maintain fa
175. ndicate which remote E1 DSU CSU is reporting alarm For information about customer identification refer to the Displaying Unit Identity section in Chapter 3 Operation Possible alarm messages are as follows Continuous Loss Of Signal detected at the x Interface where x 15 either Network or DTE Alarm Cleared Loss of Signal condition at the x Interface where x 1s either Network or DTE e Continuous Out Of Frame condition detected at the x Interface where x 15 either Network or DTE Alarm Cleared Out of Frame condition at the x Interface where x 1s either Network or DTE Alarm Indication Signal received at the x Interface where x 1s either Network or DTE Alarm Cleared Alarm Indication Signal at the x Interface where x 1s either Network or DTE An Excessive Error Rate has been detected at the Network Interface Alarm Cleared An Excessive Error Rate at the Network Interface Remote Alarm Indication signal received at the x Interface where x 1s either Network or DTE 3170 A2 GB20 20 Maintenance e Alarm Cleared Remote Alarm Indication signal at the x Interface where x is either Network or DTE e Continuous Out Of Frame condition detected at synchronous data port n where n is the port number 1 2 for Model 3172 DSU CSUS or 1 4 for Model 3174 DSU CSUs Alarm Cleared Out Of Frame condition at synchronous data port n where n is the port number 1 2 for Model 317
176. nds to an object in the SNMP database maintained by the E1 DSU CSU The E1 DSU CSU can be managed by any industry standard SNMP manager The company provides an SNMP application that runs on a Hewlett Packard HP OpenView network management platform For more information refer to the ACCULINK 3100 Series Open Management Application for HP OpenView User s Guide The DSU CSU supports the following MIBs MIB II Defines the general objects for use in Transmission Control Protocol Internet Protocol TCP IP internets and provides general information about the E1 DSU CSU MIB II is backward compatible with MIB I DSI ElI MIB Defines objects for managing interfaces and supports the network and DTE Drop Insert interfaces on the EI DSU CSU RS 232 like MIB Defines objects for managing RS 232 type interfaces e g RS 422 RS 423 etc and supports synchronous data ports PORTS 1 4 and management communication ports AUX and COM ports on EI DSU CSU Generic Interface Extension MIB An extension to MIB II that defines additional objects for control of generic interfaces in MIB II It supports control of tests on the 1 and synchronous data interfaces that are not supported by other MIBs Enterprise MIB Defines objects that are unique to Paradyne devices Two link layer protocols Point to Point Protocol PPP and Serial Line Internet Protocol SLIP are supported for connection to an externa
177. ne but less that 805 CRC errors A signal in which successive ones marks pulses are of alternating positive and negative polarity and in which a zero space no pulse is of zero amplitude December 1996 Glossary 1 ACCULINK 317 1 DSU CSU bit block allocation method BNC bps BPV byte CCITT CD cell site CEPT channel channel allocation CHAP character CID branch client CLOCK IN interface branch Cnfig branch coaxial cable coding COMCODE COM port community name configuration configuration option CPU fail CRC CRC4 5 Glossary 2 Binary digit The smallest unit of information representing a choice between a one or a zero Sometimes called mark or space A method of allocating DSO channels as a group rather than individually Bayonet Neill Concelman A bayonet type connector for coaxial cables Bits per second Indicates the speed at which bits are transmitted across a data connection Bipolar Violation In a bipolar signal a mark pulse which has the same polarity as its predecessor A small group of bits usually 8 that 15 handled as a unit of data The International Consultative Committee for Telegraphy and Telephony A committee established to recommend communication standards and policies Carrier Detect The received line signal detector V 24 circuit 109 A facility that provides the equipment needed to establish wirele
178. nel is allocated to the DTE Drop Insert interface DSO channel n where n is a number from 1 to 31 You can modify this value on this screen Assign DTE channels to Network channels by pressing the Function key below the Network channel desired The DTE channel number scrolls up one number each time you press the Function key Only unassigned DTE channels appear during scrolling NOTE f time slot 16 is reserved for signaling see the TS16 configuration option D16 is automatically allocated to N16 and will not be available for allocation on this screen C 8 December 1996 3170 A2 GB20 20 Configuration Options Table C 5 1 of 3 Data Port Channel Configuration Options Channel Config Dsply Clear DTE Prti Prt2 Prt3 NOTE The configuration options described in this table are made available by selecting Prt1 Prt2 Prt3 or Prt4 from this Channel Config screen Table C 4 describes the DTE configuration options For information about the operation of Display and Clear refer to the Configuring DSO Channels section in Chapter 3 Operation Data Port Channel Allows the assignment of a particular port to DSO channels on either the Network 1 interface the DTE Drop Insert interface or another port see the Assign To configuration option below NOTE For Model 3172 DSU CSUs only Ports 1 and 2 are available Assign To NET Next Prtn Prtn Prev Data Port Channel Allocation Destination Allows you to
179. network Data Channel Loopback Loops the data received from the network interface for all DSO channels allocated to the selected port back to the network A preset value that is assumed to be correct unless changed by the user Device Failure A message that indicates that an internal failure has been detected by the operating firmware An 8 digit code appears for use by service personnel Device Health and Status branch of the E1 DSU CSU menu tree A mechanical electrical or electronic unit with a special purpose A signal composed of discrete elements zeros and ones instead of a great multitude of analog elements A thin flexible magnetic disk enclose in a protective jacket DTE Loopback Loops the received signal on the DTE Drop Insert port back to the DTE without change Download branch of the E1 DSU CSU menu tree A process that transfers device firmware from a locally attached PC to a device or allows the duplication of firmware from a local device to a remote device A device that is connected farther from the host computer An interconnection point for terminals multiplexers and transmission facilities Individual channels may be inserted into the aggregate stream or dropped out to accommodate specific applications Data Set Ready V 24 circuit 107 December 1996 Glossary 3 ACCULINK 317 1 DSU CSU DSU DSO DSO channel allocation DS1 E1 MIB DTE DTE Drop Insert interface DTLB DTR EDL
180. nnection 7 3 2 2 2 3 F 14 2 database IP 1 2 manager MIBs functional description list of objects E 1 procedure for configuring access 3 17 B 18 objects es of operation SNMP Down message 4 12 traps functional description 1 2 1 2 4 10 procedure for 18 3 19 specifications environmental B 1 B 2 Stat Status branch examples of use 3 8 3 10 4 2 4 3 1 5 4 24 in the menu tree A ik status messages See messages status STest Self Test Health branch example of use in the menu tree StEvnt Status Event report 4 straps EU options subnet 3 14 C 18 C 19 C 20 switch rear panel 1 4 synchronous data port See PORT 1 4 interface technical specifications temperature operating B 2 storage B 2 Test branch example of use 4 14 4 26 in the menu 1 test commands 4 14 4 26 front panel LED indications 3170 A2 GB20 20 December 1996 lamp test 4 23 124 local loopback 4 SET abort 4 19 1 data channel er back DCLB data terminal loopback DTLB DTE loopback DLB line loopback LLB 4 16 payload loopback PLB i repeater _ 4 17 18 remote 4 test messages test patterns 4 20 4 23 test Jacks functional description physical description 315 3 4 time slot 16 516 channel allocation 3 21 configuration option timing See clo
181. not affect the state of any of the interfaces on the El DSU CSU other than the COM port Only the following values are supported by the E1 DSU CSU e up l The SNMP management link is active on the COM port e testing 3 The SNMP management link is inactive on the COM port the COM port can be used for proprietary ASCII functions E 4 December 1996 Interface Group ifOperStatus Object ifEntry 8 This object specifies the current operational state of the interface The value of this object for each interface 15 defined as follows Network E1 The interface 15 up 1 when no alarm conditions exist The interface 15 down 2 when an alarm condition 15 active The interface is testing 3 when a test 1s active on the interface DTE The interface is up 1 when no Drop Insert alarm conditions exist and the interface is enabled The interface 1s down 2 when an alarm condition 15 active or the interface 1s disabled The interface is testing 3 when a test 1s active on the interface When configured as an SNMP management link up and down are based on the current state of the link layer protocol Otherwise the interface is always up 1 COM Port The interface 1s never in the testing 3 state When configured as an SNMP management link up and down are based on the current state of the link layer protocol Otherwise the interface 15 always down 2 AUX Port The interface 1s never in the testing
182. nterfaces on the EI DSU CSU Performance Report Message A message indicating performance data such as errored seconds unavailable seconds etc A set of rules that determines the behavior of functional units in achieving communication Test Patterns branch of the E1 DSU CSU menu tree A measure of the number of ones marks pulses in relation to the total number of bits transmitted Quasi Random Signal Test A test pattern simulating a random pattern of digital ones and zeros used to simulate normal transmission Remote Alarm Indication A remote alarm on an 1 line Random access memory Read write memory that is volatile and loses its contents when power is removed A part of the device s memory that holds stored values Release branch of the E1 DSU CSU menu tree A reinitialization of the E1 DSU CSU that occurs at power up or in response to a reset command Request for Comments The set of documents that describes the standard specifications for the TCP IP protocol suite Routing Information Protocol A protocol used to add routes in the Internet An 8 position modular connector Repeater Loopback Loops the signal being sent to the network back to the DTE Drop Insert and data ports after it has passed through the framing circuitry of the El DSU CSU Remote Loopback branch of the E1 DSU CSU menu tree A device that connects LAN segments An EIA standard for a low speed 25 position DCE DTE interface Defines ob
183. ntity CCA1 XXXX XXX Status A LED ID Identity t 2 each time you press key 4 The following screens appear in the order listed Identity lo 3 8 December 1996 3170 2 20 20 To change the customer identification CID 1 Press the key on the top level menu to bring the Ctrl branch onto the front panel LCD DSU E1 gt Stat Test Cnfig Aa l5 2 Press F3 to select Ctrl from the top level menu screen DSU E1 CEPT Cnfig Ctrl Test fay 3 Press the gt key on the Control screen until the CID selection appears on the front panel LCD Control 2 Rel LED CIrRe l5 em 3170 A2 GB20 20 December 1996 Operation 4 Select CID Control Reset DL Use and gt keys to position the cursor under the desired character You must enter a character before the moves the cursor to the next space to the right Custl D XXxxxxxx es Enter the desired ID Press Up and F2 Down to scroll up and down through the valid characters numbers for the customer ID Valid characters are 0 through 9 A to Z and blank space Press F3 Save to save the ID CustID xxxxxxxx Up Down Save m e Cm 3 9 ACCULI
184. ntly possible for this port For the AUX port this condition is detected only when a device reset or power up occurs Selftest failed A failure was detected during the power on self test Select STest in the Stat branch to display more information about the failure DevFail An internal error has been detected by the operating software An 8 digit code appears for use by service personnel The condition is cleared by resetting the device Download failed A download attempt was interrupted and failed to complete The condition is cleared by resetting the device Test in progress A test is currently active Select Tstat in the Stat branch to display more test information DSU Operational This message only appears if there are no valid alarm or status messages AA December 1996 8170 A2 GB20 20 Network Performance Reports Network performance is continuously monitored and maintained in network aggregate registers NET and if configured for EDL in far end and near end port registers Network aggregate registers NET are status registers that collect performance data for the previous 24 hour period Registers shown on the front panel LCD are listed in Table 4 3 Aggregate data is updated in 15 minute intervals After 15 minutes the current interval is rolled over into a set of accumulator registers that represent the previous 96 15 minute intervals for the register An interval total of ho
185. o levels below the top level menu screen press F2 to select Save Choose Funct all ports To select a specific port to configure Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press F1 to select Edit 4 Press F2 to select Port Edit A DTE Por Gm L5 A Edit Save gt 5 From the Port Select screen press the Function key that corresponds to the port you want to configure Use the key to scroll addition ports onto the screen 1f necessary Configure the port 2 Choose whether you want to save to the Active see Appendix C Configuration Options Customer 1 or Customer 2 area Use the scroll keys 1f necessary Save Edit to Activ Custi Port Select LA Copy Prti Pr e Cm 3170 A2 GB20 20 To copy the configuration options to one or all ports 6 From the Port Select screen press 1 Copy Port Select CA Copy Prti Prt2 Gm aj Cm December 1996 3 13 ACCULINK 317x E1 DSU CSU 7 Select the port from which you want to copy the configuration options using the corresponding Function key Copy From A Pri m le le Cm 8 Select the port to which you want to copy the configuration options using
186. of the primary clock source results in automatic fallback to the internal clock NOTE For Model 3172 DSU CSUS Ports 3 and 4 are not available Clock Rate 2048 Next 2048 8 Prev External Clock Rate Specifies the clock rate when the primary or secondary clock source 15 configured for external clock Ext This configuration option does not appear when the clock source is not an external clock 2048 Sets the input rate of the external clock to 2 048 kHz 8 Sets the input rate of the external clock to 8 kHz C 12 December 1996 3 170 A2 GB20 20 Configuration Options User Interface Configuration Options Table C 7 1 of 3 User Interface Configuration Options Self Test Enab Next Enab Disab Prev Initial Self Test Specifies whether the E1 DSU CSU performs a device self test at power up and after a device reset Enab Enables a self test Disab Disables the self test Com Use ASCII Next SNMP ASCII Daisy Prev Communication Port Use Specifies how the communication port is used The communication port can be configured for only one use each use is mutually exclusive it can be configured as the management link to an external SNMP manager it can be configured as a proprietary ASCII port or it can be configured as an SNMP management link daisy chained to another 31xx Series device SNMP Specifies that the communication port is used as the management link to an external SNMP manager ASCII Specif
187. on port is configured for synchronous operation CStop Bits 1 Next 1 1 5 2 Prev Communication Port Stop Bits Configures the number of stop bits 1 1 5 or 2 for the communication port NOTE This configuration option is not available if the communication port is configured for synchronous operation C 14 December 1996 3 170 A2 GB20 20 Configuration Options Table C 7 3 of 3 User Interface Configuration Options Ignore DTR No Next Yes Prev Communication Port Ignore DTR State Specifies whether the E1 DSU CSU ignores the state of the Data Terminal Ready DTR input to the communication port Yes DTR is ignored No DTR is not ignored NOTE This configuration option is not available if the communication port is configured for synchronous operation Aux Use None Next None SNMP Daisy Prev Auxiliary Port Use Specifies how the auxiliary port is used The auxiliary port only supports Point to Point Protocol PPP with the following parameters type is asynchronous character length is 8 parity is none and stop bit is 1 None Specifies that the auxiliary port is not to be used SNMP Specifies that the auxiliary port is to be used as the management link to an external SNMP manager via an external LAN Adapter Daisy Specifies that the auxiliary port is to be used as an SNMP management link that is daisy chained to the communication port of another 31xx Series device NOTE The Daisy or SNMP selection r
188. onnector as the primary clock source NOTE For Model 3172 DSU CSUs Ports 3 and 4 are not available Sec Clk Src NET Next NET DTE Prti Prt2 Prt4 Ext Disab Prev Secondary Clock Source Specifies the secondary clock source for the E1 DSU CSU Failure of the clock specified by the Primary Clock Source selection results in automatic fallback to the secondary clock source When this occurs this selection synchronizes all internal timing and external interface clocks Failure of the clock specified by the Secondary Clock Source selection results in automatic fallback to internal clock Configures the Network 1 interface as the secondary clock source DTE Configures the DTE Drop Insert interface as the secondary clock source This selection is not available if the DTE Drop Insert interface is disabled If the DTE Drop Insert interface is disabled after making this selection the secondary clock source is changed to NET Prt1 2 3 4 Configures data port 1 2 3 4 as the secondary clock source Set the same port s Transmit Clock to External If you enable EDL for the same port the external device must provide clocking of 8 kbps less than the expected data port rate For example if you select 64 kbps the external clock must supply a 56 kbps clock signal Ext Configures an external clock provided through the Clock In connector as the secondary clock source Disab Disables the secondary clock source Failure
189. ont Panel Command Cross Reference Front Panel Command SNMP MIB Object Test gt Ptrns gt Send gt 511 gt Prtn Set IfExtnsTestType for port n to testSend511 Test gt Ptrns gt Abort gt Send gt Prtn Set IfExtnsTestType for port n to noTest Test gt Ptrns gt Mon gt QRSS gt Prtn Set ifExtnsTestType for port n to testMonQHSS Test gt Ptrns gt Abort gt Mon gt Prtn Set ifExtnsTestType for port n to noTest Test gt Ptrns gt Mon gt 511 gt Prtn Set ifExtnsTestType for port n to testMon511 Test gt Ptrns gt Abort gt Mon gt Prtn Set ifExtnsTestType for port n to noTest Cnfig gt Load Cnfig gt Save Set devConfigAreaCopy to desired choice Active to Customer 1 etc Cnfig gt Activ gt Edit gt DTE gt DTE gt Frame Set Display dsx1LineType for DTE E1 to dsx1E1 or dsxE1 CRC Cnfig Activ 5Edit 2DTE DTE Coding Set Display dsx1LineCoding for DTE E1 to dsx1HDBG3 or dsx1AMI Cnfig gt Activ gt Edit gt Port gt Prtn gt Port Type Display rs232PortType for port n to rs422 or v35 Cnfig gt Activ gt Edit gt Port gt Prtn gt TxClock Set Display rs232SyncPortClockSource for port n to internal or external Cnfig gt Activ gt Edit gt NET gt NET Frame Set Display dsx1LineType for E1 to dsx1E1 or dsxE1 CRC Cnfig gt Activ gt Edit gt NET gt Mgmt Link Set Display dsx1Fdl for E1 to dsxtother dsx1FDL none Cnfig gt Activ gt Ed
190. orts 3170 A2 GB20 20 E1 Channels Prt1 Prt4 indicates allocation to synchronous data ports December 1996 C 25 ACCULINK 317 1 DSU CSU Port Chan Assign Prt2 Prt3 Prt4 Assign By Block Chan Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 1232 1288 1344 1400 1456 1512 1568 1624 1680 1736 NOTE time slot 16 is reserved for signaling the highest port rate 1984 or 1736 does not appear Start At Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select One Time Slot Nn or Dn 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Select Multiple Assign To NET DTE Prt1 Prt3 Prt4 Port Rate Port 1 If Assign By Block If Assign By Chan Assign By Block Chan Port Rate Nx64 64 128 192 256 320 384 448 512 576 640 704 768 832 896 960 1024 1088 1152 1216 1280 1344 1408 1472 1536 1600 1664 1728 1792 1856 1920 1984 Nx56 56 112 168 224 280 336 392 448 504 560 616 672 728 784 840 896 952 1008 1064 1120 1176 12
191. oup MIB Objects in the transmission group are supported on the network and DTE Drop Insert interfaces the COM port the AUX port and the synchronous data ports The objects in the transmission group are not defined within MIB II but rather through other Internet standard MIB definitions The following two transmission group objects are supported by the E1 DSU CSU dsl transmission 18 The transmission object supported on the E1 interfaces 15232 transmission 33 The transmission object supported on the synchronous data ports COM port and AUX port The ds1 transmission object is defined by the DS1 E1 MIB The rs232 transmission object is defined by the RS 232 like MIB SNMP Group MIB II The SNMP Group objects that apply to a management agent are fully supported by the 1 DSU CSU The following objects apply only to an NMS and return a zero value if accessed e snmpInTooBigs snmp 8 e snmplnNoSuchNames snmp 9 e snmplnBadValues snmp 10 e snmplnReadOnlys snmp 11 e snmplnGenErs snmp 12 e snmplnGetResponses snmp 18 e snmpInTraps snmpl9 e snmpOutGetRequests snmp 25 e snmpOutGetNexts snmp 26 e snmpOutSetRequests snmp 27 e snmpOutGetResponses snmp 28 December 1996 E 7 ACCULINK 317 1 DSU CSU DS1 E1 MIB RFC 1406 The 461 object defined by RFC 1406 is supported for both the network and DTE Drop Insert interfaces The DS1 Near End Group and DS1 Fractional Group
192. p 5 press F2 to view 24 Hour Totals go to Step 6 or press F3 to view 15 Minute Interval Registers go to Step 7 NET Registers LA Cur 24 Intvl 5 When you press F1 from the NET Registers screen the NET registers for the current 15 minute interval appear NET Current Event 2 XX XXX 6 When you press F2 from the NET Registers screen the NET registers for the 24 hour total interval appear NET 24 Hour xx Zs m le 4 5 ACCULINK 317x E1 DSU CSU 7 When you press F3 from the NET Registers screen the interval screen appears Use this screen to choose the specific 15 minute interval AJ Down Dsply Gm l8 8 Use the lt 1 and gt keys to position the cursor under the first or second digit in the interval number displayed then use the F1 Up and F2 Down keys to increment decrement the number 9 When you have selected the number of the interval you want to display press F3 Dsply to display the registers for the interval selected NET Intvl nn 5 10 Use the scroll keys to view additional register information You can reset the network registers from the 1 DSU CSU via the ClrReg command in the Control branch of the front panel menu To clear the user performance registers 1 Press the gt key on the top level menu screen to
193. port is selected you have access to configuration options to complete the port allocation procedure These configuration options enable you to Assign the selected port to the desired interface Select the desired method for channel allocation e Select the port rate and starting channel if the allocation method is block e Select the specific channels if the allocation method is by individual channel These configuration options are explained in detail in Appendix C To select the data port Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press F1 to select Edit 4 Press the key from the Edit screen to display the Chan selection 5 Select Chan Edit DTE Port NET Chan m Cm 6 From the Channel Config screen press the gt key to scroll the ports onto the screen Channel Config Dsply Clear DTE lo 3 170 2 20 20 7 Select the desired port by pressing its corresponding Function key Channel Config A Pri 2 Operation 2 Press F1 Next to display the next configuration option Port Rate Assign By Block LA Next Block Chan Gm le C 8 The configuration option for the data port channel allocation destination appears on th
194. previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance This register is not valid for the current interval The total number of errored seconds for the previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance The total number of unavailable seconds for the previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance Detection occurs with 10 consecutive unavailable seconds The total number of severely errored seconds for the previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance The total number of bursty errored seconds for the previous x hours where x is 24 hours for aggregate performance and 8 hours for port performance 4 7 ACCULINK 317 1 DSU CSU Table 4 3 2 of 2 Performance Registers Register Interval Description Totals Description LOFC The loss of frame count for the current interval The total loss of frame count for the previous x This is a count of the number of times that an hours where x is 24 hours for aggregate LOF is declared An LOF is declared when a performance and 8 hours for port performance continuous out of frame condition persists for more than 2 5 seconds The maximum loss of frame count is 255 StEvnt The status events register records whether one Only valid for or more of the following events have occurred aggregate
195. print alarm messages The communications COM port can be used as the destination for Alarm Set and Alarm Clear messages This enables an ASCII terminal or printer to monitor the E1 DSU CSU for alarm conditions Alarms can also be displayed on a PC that 1s using a terminal emulation package Front Panel Emulation The E1 DSU CSU offers functionality through Front Panel Emulation software that is similar to that provided by the E1 DSU CSU front panel The EI DSU CSU can either be locally or remotely attached to a 386 or higher personal computer PC that has at least four megabytes MB of random access memory RAM An external modem is required for remote attachment A copy of the E1 DSU CSU front panel appears on the PC The functionality of the front panel is available by clicking on the function keys with the mouse rather than by pressing keys from the actual front panel For more information refer to Appendix G Front Panel Emulation SNMP Management Support SNMP is a network management protocol that is used to monitor network performance and status and to report alarms 1 traps To function SNMP requires a manager consisting of a software program housed within a workstation or PC an agent consisting of a software program housed within a device e g the E1 DSU CSU and a Management Information Base MIB consisting of a database of managed objects Users of the external SNMP manager can issue Get and Set comma
196. progress the Already Active message appears If an invalid combination of loopbacks is in progress the error message Invid Test Combo appears see Table4 8 for valid loopback test combinations Starting a Data Channel Loopback The Data Channel Loopback command DCLB loops the data received from the network interface for all DSO channels allocated to the selected port back to the network The loopback occurs after the data passes through the port circuitry but before it is sent out the data port DSU CSU DTE NETWORK ALL 15 ALL 1s DCE DCE PORT2 PORT 1 495 1 4315 01 To perform a Data Channel loopback 1 Press F2 to select Test from the top level menu screen 4 18 December 1996 2 From the Test screen press F2 to select Lpbk Test m A Lpbk Ptrns m L5 3 From the Loopback screen press three times to display the DCLB selection on the screen Loopback A Abort LLB PLB 4 Press F3 to select DCLB Loopback A DLB DCLB L8 gt From the DCLB screen press the Function key for the port for which you want to perform the data channel loopback Use the scroll keys if necessary Loopback A Pri Gm l5 Test Started appears on Line 2 If a Data Channel loopback is already in progress the Already Active message appears If an
197. r QRSS 51 805 Abort LLB PLB DLB RLB DCLB DTLB DTE Prl Prt2 24 Load Edit Area From Activ Custi Cust2 Fact Choose Function Edit Save DTE Port NET Chan Gen User Alarm SNMP Activ Custl Cust2 Dsply Clear DTE Prtl Pr2 Prt3 Gen Trap Copy Prl P rt2 Prt3 Port Select PrQ 3170 A2 GB20 20 December 1996 A 1 Technical Specifications eee re ee ee eee ee os ee a B 1 Overview The technical specifications for the Models 3172 and 3174 DSU CSUs are listed in Table B 1 Table B 1 1 of 2 Models 3172 3174 DSU CSUs Technical Specifications POWER REQUIREMENTS Typical AC Power Module Refer to the labeling on the ac power module for input requirements Optional 24 Vdc 20 to 32 0 50A 48 Vdc 38 to 60 Vdc 0 25A 48 Redundant 38 to 60 0 25A POWER CONSUMPTION 16 0 watts 55 0 Btu per hour at 115 volts ac power 12 0 watts 41 Btu per hour AND DISSIPATION at 24 and 48 Vdc dc power DTE Drop Insert INTERFACE Physical Interface DB15 socket for 120 ohm twisted pair balanced Framing Format CRC 4 non CRC 4 Coding Format AMI HDB3 NETWORK E1 INTERFACE Physical Interface BNC pair for 75 ohm coaxial cables unbalanced RJ48C for 120 ohm twisted pair balanced Framing Format CRC 4 non CRC 4 Coding Format HDB3 Signal Recovery Capability 43 dB of cable attenuation at 1024 kH
198. r end performance statistics then the remote E1 DSU CSU must be configured to send near end performance statistics Mgmt Link Disab Next Disab SNMP Prev EDL Management Link Specifies whether the EDL management link is enabled for a particular port Selecting SNMP allows SNMP management traffic to flow over the 4 kbps in band data link provided by EDL Disab Disables the port s EDL management link SNMP Enables the ports EDL management link NOTE This configuration option is not available and does not appear if EDL is disabled or FDL is enabled for SNMP NOTE If the local E1 DSU CSU s EDL is enabled then the remote E1 DSU CSU s EDL must also be enabled C 6 December 1996 3 170 A2 GB20 20 Configuration Options Network Interface Configuration Options Table C 3 Network Interface Configuration Options NET Frame noCRC Next CRC4 noCRC Prev Network Line Framing Format Designates the framing format for the Network E1 interface CRC4 Configures for the CRC4 framing format noCRC Configures for the non CRC4 framing format Mgmt Link Disab Next Disab SNMP Prev FDL Management Link Specifies whether Facility Data Link FDL is enabled Selecting SNMP allows SNMP management traffic to flow over the 4 kbps data link provided by FDL Running SNMP over FDL requires an end to end FDL connection and cannot be terminated within the network Disab Disables the FDL Management Link SNMP Enables the FDL Management
199. ractional 2 1 framing configuration option Ic 2 Ic 7 front panel acquiring releasing the user interface 3 35 36 operation 3 2 physical VM ord 1 3 B2 Front Panel Emulation cabling example 2 8 feature number H 1 functional eT 1 2 2 1 installation and operation 1 ES 3170 A2 GB20 20 Gen General Configuration branch example of use 3 34 in the menu tree option table option worksheet HDB3 High Density Bipolar 3 coding configuration option Self Test Health message 4 2 ID Identity branch example of use in the menu tree indicators See LEDs front panel IP Internet Protocol addressing configuration option 9 20 example of use F 1 F3 procedure for configuring 3 15 B 16 19 keypad operation 3 3 B 4 physical description 1 3 3 2 lamp test 4 23 44 24 LAN Adapter 2 1 5 2 3 b 3 p 4 B 14 F 1 LED Control lem example of use in the menu tree LED Status branch example of use in the menu tree LEDs front panel during power up self test functional description 3 4 B 7 lamp test 4 23 physical description line coding C 2 line loopback LLB link layer protocol link trap 10 liquid crystal display LCD failure 2 functional description physical description 5 NO LOF Loss Of Frame condition front panel LED indication Performance Report message LOFC Loss Of Frame Count report
200. ration Options Configuration Worksheets This section contains one set of blank worksheets to be used when configuring your E1 DSU CSU in the network It is recommended that you copy these blank worksheets before using them DTE Options User Options DTE Port Enab Disab Self Test Enab Disab DTE Coding AMI HDB3 Com Type Async Sync Send Ones Com Rate 1 2 2 4 4 8 9 6 14 4 19 2 38 4 CParity None Even Odd CStop Bits Ignore DIR Yes No None SNMP Daisy Net Options NET Frame CRC4 noCRC Mgmt Link Disab SNMP 36 144 192 38 4 Circuit Ident Edit Clear Alarm Value General Val Options Options a Alrm Msg Enab Disab Pri Src E DTE Prt1 Prt2 Prt3 Prt4 Int SNMP Trap Enab Disab Sec CIk Src NET DTE Prt1 Prt2 Prt3 Prt4 Ext Disab Clock Rate 2048 8 3170 A2 GB20 20 December 1996 C 23 ACCULINK 317 1 DSU CSU Prt1 Options Value E530 V 35 RS449 Port Type Base Rate Nx64 Nx56 NetDCLB Enab Disab Port LB Disab DTLB DCLB Both All Ones Disab DTR RTS Both Rev None Halt Tx Clock Int Ext InvertTxC Enab Disab InvrtData Enab Disab EDL Enab Disab Err Rate 10E 4 10 5 10 6 10E 7 10E 8 10E 9 Disab Maint Send Both Far end Disab Maint Mgmt Link Disab SNMP Prt2 Options Value Port Type Base Rate NetDCLB Yellow None Halt Tx Clock Int Ext Inver
201. refer to Appendix C December 1996 To configure the E1 DSU CSU for external timing Press F3 to select Cnfig from the top level menu screen Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary Press F1 to select Edit Press key from the Edit screen to display the Gen selection Select Gen for the general configuration options Edit Chan Gen NET lej 6 Select the primary clock source For external press the key until the Ext selection scrolls onto the screen Pri Clk Src NET E Next m 7 Press appropriate Function key to select external timing Pri Clk Src NET Prtn Int Ext Gm 8 Select the appropriate external clock rate by pressing the corresponding Function key This step is mandatory if you have chosen external clocking 3170 A2 GB20 20 Clock Rate 2048 Next 2048 8 L5 Acquiring Releasing the User Interface You can access the user interface from either the front panel or the port The E1 DSU CSU allows only one user interface to be active at a time The front panel is the default user interface at power up or after a reset It is also the default during a software download or when a failure occurs at either the local or remote PC inter
202. rface is disabled as shown in the examples in Figures 3 7 and 3 9 2 Using the worksheets shown in Figures 3 10 and 3 11 circle the configuration options needed to implement the logical channel configuration Once you have completed the worksheets enter this information using the procedures in the Allocating Data Ports section on page 3 28 Configuration options are listed in Appendix C December 1996 3170 A2 GB20 20 Operation DROP INSERT INTERFACE D1 NETWORK INTERFACE N1 D1 N2 D2 ETC pe 1 N2 D5 N3 D6 N4 D7 N5 D8 6 09 N7 D10 N8 D11 9 12 N10 D13 N11 D14 N12 D15 N13 D16 N14 D17 N15 D18 a AUTOMATIC ALLOCATION N17 D20 N18 D21 N19 D22 N20 D23 N21 D24 N22 D25 N23 D26 N24 D27 N25 D28 N26 D29 N27 D30 N28 D31 N29 PORTS N30 PRT 1 N31 PRT 2 PRT 3 PRT 4 496 14899 Figure 3 6 Example of Channel Allocation with TS16 Reserved for Signaling 3170 A2 GB20 20 December 1996 3 21 ACCULINK 317 E1 DSU CSU Network E1 _ DTE Interface Network Channel Allocation Doo Drop Insert Channel Allocation DN N11 D11 2 a3 000000 M ms M i Allocations Allocations D1 D31 indicates allocation to DTE N1 N31 indicates allocation to Network Drop Insert channels E1 Channels Prt1 Prt4 indicates allocation to synchronous data ports Figure 3 7
203. rogram is installed on the PC The Front Panel Emulation screen appears G 2 December 1996 Front Panel Emulation Options Help Communication Settings Com Port Speed 19200 Connection Type lt Remote AEE Transparent A Enter the Com Port and Speed from the drop down selection list boxes The Com Port field needs to contain the actual communications port name as recorded in the Windows information file INI The Speed field needs to contain one of the following communications speeds 1200 2400 4800 9600 14400 19200 or 38400 and should match the DSU CSU COM port configuration Choose either a Local for near end 1 DSU CSU or Remote for far end EI DSU CSU destination If you chose a Local destination click on the Execute button If you chose a Remote destination enter the telephone number of the external modem connected to the far end EI DSU CSU in the Phone Number field then click on the Dial button The front panel of the selected EI DSU CSU appears on the PC NOTE When using Front Panel Emulation no LEDs are shown on the PC s screen you must use the Stat command procedure to get LED information see the Displaying LED Conditions section in Chapter 3 Operation 3170 A2 GB20 20 Equipment List Equipment Feature Number COMCODE Model 3172 DSU CSU 120 Vac 3172 A1 310 107608903 Model 3174 DSU CSU 120 Vac 3174 A1 310 107608911 Model 3172 D
204. ronous data ports The Input Signal and Output Signal tables are not supported for the AUX and COM ports The following sections provide clarification for objects contained in the RS 232 like MIB when it is not clear how the object definition in MIB is related to the EI DSU CSU Number of Ports rs232Number Object rs232 1 This object contains the number of ports in the RS 232 like general port table This number is 4 for the 3172 DSU CSU and 6 for the 3174 DSU CSU General Port Table RS 232 like MIB The general port table contains general configuration objects for the RS 232 like interfaces General Port Table rs232Portindex Object rs232PortEntry 1 This object contains a unique value for each port and is used as an index into the general port table rs232PortTable The values of the rs232PortIndex object vary between models and are listed below The values of rs232PortIndex for the 3172 DSU CSU are e COM port 2 Auxiliary RS 232 port e 3 DCE port 1 e 4 DCE port 2 The values of rs232PortIndex for the 3174 DSU CSU are e COM port 2 Auxiliary RS 232 port e 3 DCE port 1 4 DCE port 2 5 port 3 6 DCE port 4 December 1996 E 11 ACCULINK 317 1 DSU CSU General Port Table rs232PortType Object rs232PortEntry 2 This object is used to identify the port s hardware type Only the following values are supported by El DSU
205. rrored Seconds for the interval Near End Group The DS1 Total Table Objects dsx1 TotalEntry The following DS1 total table objects are provided for the network interface only Objects in the table that are not listed are not supported and will return an error status if access is attempted e dsxlTotalIndex The index that identifies the El interface dsx1ITotalESs The 24 hour total Errored Seconds dsx1Total SESs The 24 hour total Severely Errored Seconds dsx1TotalUASs The 24 hour total Unavailable Seconds dsxITotalBESs The 24 hour total Bursty Errored Seconds Far End Group DS1 E1 MIB The DSI Far End Group consists of the following three tables DSI Far End Current e DSI Far End Interval e DSI Far End Total These tables are not supported for either the network or DTE Drop Insert interface 3170 A2 GB20 20 DS1 Fractional Group DS1 E1 MIB The DS1 Fractional group consists of the DSI fractional table This table dsx1FracTable is fully supported by the El DSU CSU and allows channel time slots to be mapped between the 1 interfaces and data ports If an invalid channel map e g two interfaces mapped to a single time slot one interface mapped to two Els etc is received an error is returned to the SNMP manager The E1 DSU CSU validates all channel configurations before applying them Operational Note The fractional E1 group only allows specification of an en
206. securely RAI at Net Far end E1 DSU CSU DTE has detected an attached at both ends appeals LOS LOF AIS or EER condition Check the status of the far end device E1 facility problem Contact your E1 facility provider Message DTE has detected an LOS LOF AIS or EER 1 Check the status of the DTE RAI at DTE condition 2 Check that the DTE Drop Insert cable is appears securely attached at both ends Message 1 Upstream E1 DSU CSU is transmitting an AIS 1 Check the status of the upstream E1 AIS at Net DSU CSU s 2 The network is transmitting an AIS appears Contact your E1 facility provider 3170 A2 GB20 20 December 1996 4 11 ACCULINK 317 1 DSU CSU Table 4 6 2 of 2 Troubleshooting Symptom Possible Cause Solutions Message DTE is sending an AIS Check the DTE AIS at DTE appears Message EER at E1 facility problem Contact your E1 facility provider Net appears BPV LED is ON 1 Incompatible line coding format between the 1 Check that the line coding format for the DTE DTE and the E1 DSU CSU Drop Insert interface is correct 2 DTE Drop Insert cable problem 2 Check that the DTE cable is securely attached at both ends A failure message Internal E1 DSU CSU problem Record the 8 digit code then contact your appears followed field service representative by an 8 digit code 4E 3E EE E E HE E SNMP link is The SNMP manager configuration is Check that the configurations are matched
207. ss communication links The European Conference of Postal and Telegraph Authorities A European standards organization An independent data path Assigning specific DSO channels in the E1 DSU CSU to specific interfaces Network DTE Drop Insert etc Challenge Authentication Protocol A letter figure number punctuation or other symbol Customer Identification branch or the E1 DSU CSU menu tree A device that receives a specific service such as database management from a server The external clock interface on the 1 DSU CSU Clear Performance Registers branch of the E1 DSU CSU menu tree Configuration branch of the E1 DSU CSU menu tree A transmission cable consisting of a conducting outer tube which encloses and is insulated from an inner conducting core A technique used to accommodate the ones density requirements of E1 lines A code used when ordering parts The communications port on the E1 DSU CSU An identification used by SNMP to grant an SNMP server access rights to a MIB The arrangement of a system or network as defined by the characteristics of its functional units Device firmware that establishes specific operating parameters for the device Sometimes referred to as straps Central Processing Unit failure A Self Test Health message indicating a failure in the device s central processing unit Cyclic Redundancy Check A mathematical method of confirming the integrity of received digital data CRC
208. t n where nis 1 2 3 or 4 Nn The DSO channel is allocated to the Network E1 interface DSO channel n where ncan be any number from 1 through 31 Dn The DSO channel is allocated to the DTE Drop Insert interface DSO channel n where ncan be any number from 1 through 31 To display the DSO channel allocation 1 Press F3 to select Cnfig from the top level menu screen 2 Select the configuration option set to be copied into the Edit area by using the appropriate Function key Use the scroll keys if necessary 3 Press 1 to select Edit 4 Press the key from the Edit screen to display the Chan selection 3170 A2 GB20 20 Operation 5 Select Chan Edit m Port NET Chan m ls 6 From the Channel Config screen select Dsply display Channel Config A Dsply Clear DTE 7 From the Display Chan screen select NET to display the channels allocated to the Network 1 interface Display Chan NET DTE Ports Gm J le Or select DTE to display the channels allocated to the DTE Drop Insert interface NOTE DTE does not appear when the DTE Drop Insert interface is disabled Display Chan NET DTE Ports Gm 3 27 ACCULINK 317x E1 DSU CSU 8 If you selected NET the channels allocated to the Network 1 interface are displayed Line 1 displays the 31 channels for the Network E1 interface while Lin
209. tTxC Enab Disab InvrtData Enab Disab EDL Enab Disab Err Rate 10 4 10 5 10 6 10 7 10 8 10 9 Disab Maint Send Both Far end Disab Maint Mgmt Link Disab SNMP C 24 December 1996 Prt3 Options Value E530 V 35 RS449 Nx64 Nx56 Enab Disab Port Type Base Rate NetDCLB Port LB Disab DTLB DCLB Both All Ones Rev Yellow None Halt Tx Clock Int Ext InvertTxC Enab Disab InvrtData Enab Disab EDL Enab Disab Err Rate 10 4 10 5 10 6 10E 7 10 8 10 9 Near end Disab Maint Send Both Far end Disab Maint Mgmt Link Disab SNMP Prt4 Options Value Rev Yellow None Halt Tx Clock Int Ext InvertTxC Enab Disab InvrtData Enab Disab EDL Enab Disab Err Rate 10E 4 10 5 10 6 10 7 10 8 10 9 Near end Disab Maint Send Both Far end Disab Maint Mgmt Link Disab SNMP 3170 A2 GB20 20 Configuration Options Network E1 Interface DTE Drop Insert Interface Network Channel Allocation Drop Insert Channel Allocation Z m 13 D13 Di5 N16 D16 N17 D17 N18 D18 N19 D19 N20 D20 o 4B 0 g D1 D31 indicates allocation to DTE N1 N31 indicates allocation to Network Allocations Allocations Drop Insert channels Prt1 Prt4 indicates allocation to synchronous data p
210. th Simple Network Management Protocol SNMP if you want your E1 DSU CSU to be managed by an SNMP manager Related Document 7800 2 20 ACCULINK 3100 Series Open Management Application for HP OpenView User s Guide 3170 A2 GB20 20 Reference Documents CSA 22 2 No 950 M89 e CSA 108 M1983 e FCC Part 15 e UL 1950 Management Information Base for Network Management TCP IP Based Internets MIBII RFC 1213 March 199 e Definitions of Managed Objects for the DSI and Interface Types RFC 1406 January 1993 e Definitions of Managed Objects for RS 232 like Hardware Devices RFC 1317 April 1992 e Extensions to the Generic Interface MIB RFC 1229 May 1991 December 1996 iii d a m DTE Drop Insert Interface Alarm Message Capability Front Panel Emulation SNMP Management Support Physical Description oie vena dae Rae Ce ee dd s ane eee nes Rea Panel scan die eee cone dee od Overview The E1 DSU CSU acts as an interface between the El digital network as specified in CCITT standards G 703 and G 704 and the customer premises equipment converting signals received from the DTE Data Terminal Equipment to signals that can be transmitted over 1 lines Typical applications include Local Area Network LAN Wid
211. the corresponding Function key Or press F1 to choose to copy to all ports Copy To A Al Prti Prt2 m le Configuring the E1 DSU CSU for SNMP Management To configure the E1 DSU CSU for management by SNMP management system you must e Select and configure the port that provides the link to the SNMP management system e Set the Internet Protocol IP address and subnet mask needed to access the device see Appendix F IP Network Addressing Scenario e Select the link layer protocol PPP or SLIP for the port e Specify the two community names that are allowed to access the device s Management Information Base MIB e Configure the device to send traps to the SNMP manager if desired 3 14 December 1996 Selecting the Port The SNMP manager or network device e g a router can be directly connected to the communications COM port An external LAN Adapter can be connected to either the COM port or the auxiliary AUX port to provide Ethernet or Token Ring connectivity Also the 1 DSU CSU can be daisy chained together by connecting the COM port of one device to the AUX port of the other providing SNMP connectivity The COM port can support either synchronous or asynchronous PPP or asynchronous SLIP at data rates of up to 38 400 bps The AUX port can support data rates up to 38 400 bps The example shown below assumes that the COM port is being used as the link to the SN
212. the left of the LED name indicates the condition is ON while an underscore indicates the condition is Off Port n LEDs DTR _TXD Gm le 5 Use gt and lt keys to scroll LED names onto the screen 3170 A2 GB20 20 Selecting the DTE Drop Insert or Data Port for LED Display Use the LED command on the Control branch to select which port s DTE Drop Insert or data port status appears on the five shared LEDs on the front panel To select a port for LED display 1 From the top level menu screen press once to scroll the Ctrl name onto the screen DSU E1 CEPT Aa Stat Test Cnfig 09 2 Press to select Ctrl DSUE1CEPT A Test Ctrl 3 From the Control screen select LED Control Rel LED ClrReg 7 Bt The currently selected port name appears the top line of the LCD DTE indicates the DTE Drop Insert port LED Dsply DTE A DTE Pri fay le 3170 A2 GB20 20 Operation 4 From the LED Dsply screen press the Function key that corresponds to the DTE Drop Insert or data port for which you want the LEDs to display Use the scroll keys if necessary Select DTE to monitor the DTE Drop Insert port s SIG OOF ALRM PDV and BPV status signals on the shared LEDs Select a particular data port to monitor the data port s DTR TXD RXD CTS and RTS control signals on the shared
213. tion refer to the SNMP Traps section in Chapter 4 Maintenance Enab Enables sending SNMP trap messages from this unit over any SNMP management link Disab Disables sending SNMP trap messages from this unit over any SNMP management link C 16 December 1996 3170 A2 GB20 20 Configuration Options SNMP Configuration Options The SNMP configuration options are divided into two tables as follows General SNMP Configuration Options Table 9 e SNMP Trap Configuration Options Table C 10 Table C 9 1 of 4 General SNMP Configuration Options System Name Next Clear Prev System Name Specifies the SNMP system name for this unit This is the name of this SNMP managed node Edit Allows you to edit or display the system name Clear Allows you to clear the system name System Location Next Edit Clear Prev System Location Specifies the SNMP system location for this unit This is the physical location of this SNMP managed node Edit Allows you to edit or display the system location Clear Allows you to clear the system location System Contact Next Edit Clear Prev System Contact Specifies the SNMP system contact person for this unit and how to contact this person Edit Allows you to edit or display the system contact Clear Allows you to clear the system contact CommunityNamet public Next Edit Clear Prev Community Name 1 Specifies the first of two community names that are allo
214. tion G 703 and the frame structure of CCITT Recommendation G 704 NETWORK 120Q Provides an unkeyed modular jack for a 120 ohm balanced network interface NETWORK 75Q TX RX network interface Provides two BNC connectors Transmit and Receive for a 75 ohm unbalanced NETWORK 1 209 752 switch network interface Selects either a 120 ohm balanced network interface or a 75 ohm unbalanced NETWORK RX SHIELD switch Selects either an open or earth shield connection for the 75 ohm RX interface This switch must be set to open when using the 120 ohm interface CLOCK IN Used to attach an external clock to the E1 DSU CSU PORTs 1 4 Used to connect the customer s synchronous data DTE to the E1 DSU CSU 3170 A2 GB20 20 December 1996 1 5 Installation lag re ee ee eee eee ee ee ee ee 2 1 Applicaton PC 2 1 SNMP t onnecHon PXAINDIES oe EROR D kate 2 3 Important Instructions eh eee ne bbe dad BUR DU dod b bd eda es 2 5 rea Pow c o beta oe hon he eee ne TERRE pE n eh eee ee ce 2 5 Installine the 24 Vde Power Supply cee 2 5 Installing the Single 48 Vdc Power 1 2 6 Installing the Redundant 48 Vdc Power Supply
215. tire interface to a particular time slot on another interface 1 e a time slot on one interface cannot be mapped to a time slot on another interface This prevents complete mapping of time slots on the DTE Drop Insert interface to time slots on the network 1 interface For mapping time slots between the network and DTE interfaces the following convention is used Time slots on the 1 interface that are mapped to another EI interface 1 not a data port are connected in ascending order For example if the fractional table for the network E1 interface maps time slots 1 3 and 5 to the DTE interface and the DTE interface maps time slots 10 11 and 15 to the network the following time slots are connected N1 to D10 N3 to and N5 to D15 When time slot 16 is reserved for signaling allocated DTE channels must be mapped to the corresponding network channels e g D1 to NI etc otherwise an error is returned to the SNMP manager RS 232 like MIB RFC 1317 The rs232 object defined by RFC 1317 is supported for all of the synchronous data ports the COM port and the AUX port The RS 232 like MIB consists of one object and five tables as follows Number of RS 232 like ports e The General Port Table e The Asynchronous Port Table e The Synchronous Port Table e The Input Signal Table e The Output Signal Table 3170 A2 GB20 20 The Asynchronous Port table is not supported by the E1 DSU CSU for the synch
216. to OBJECT IDENTIFIER 10 0 since 1t is unused IP Group ipHouteDest Object ipRouteEntry 1 The ipRouteDest object serves as the index to the routing table Since indexes for tables must be unique only one route per destination may appear in the table To ensure that no duplicate destinations appear in the routing table the ipRouteDest object of the ipRouteTable is treated as described in RFC 1354 IP Forwarding Table MIB destination IP address of this route An entry with a value of 0 0 0 0 is considered a default route This object may not take a Multicast Class D address value Any assignment implicit or otherwise of an instance of this object to a value x must be rejected if the bitwise logical AND of x with the value of the corresponding instance of the ipForwardMask object is not equal to x IP Group ipRoutelfindex Object 1 When the routing table is displayed the ipRoutelfIndex object for some entries may have a value greater than ifNumber In these cases the ipRoutelfIndex refers to proprietary interface which is not currently implemented by the interface group of MIB II Route entries with an unrecognized ipRoutelfIndex value should not be deleted When setting this object via SNMP the ipRoutelfIndex value can only assume an appropriate value of ifIndex defined for the particular device type IP Group ipRouteMetric2 Object ipRouteEntry 4 For standalone
217. ts and if necessary implement corrective action prior to interconnecting the products Input power to the ac voltage configuration of this product must be provided by one of the following 1 a UL Listed CSA certified power source with a Class 2 or Limited Power Source LPS output for use in North America or 2 a certified power source with a Safety Extra Low Voltage SELV output for use in the country of installation Input power to the dc voltage configurations of this product must be provided by one of the following 1 a National Electric Code NEC Canadian Electric Code CEC Class 2 circuit for use in North America or 2 a certified Safety Extra Low Voltage SELV circuit input for use in the country of installation December 1996 B ACCULINK 317 1 DSU CSU In addition if the equipment is to be used with telecommunications circuits take the following precautions Never install telephone wiring during a lightning storm Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines A Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from lightning not use the telephone to report a gas leak
218. w many of the 96 registers contain valid data is also kept as well as a 24 hour total for each accumulator register Network port performance is continuously monitored and maintained internal memory registers when the port interface is configured to use EDL The E1 DSU CSU maintains two sets of port registers for each synchronous data port far end port registers and near end port registers These registers are status registers that collect performance data for the previous 8 hour period Registers shown on the front panel LCD are listed in Table 4 3 Port data is updated in 15 minute intervals After 15 minutes the current interval 1s rolled over into a set of accumulator registers that represent the previous 32 15 minute intervals for the register An interval total of how many of the 32 registers contain valid data is also kept as well as a 8 hour total for each accumulator register To display a network aggregate NET Performance Report on the front panel LCD 1 Press F1 to select Stat from the top level menu screen DSUE1CEPT Stat Test Cnfig M L8 L5 3170 A2 GB20 20 December 1996 Maintenance 2 From the Status screen select Perf Status DevHS STest Perf 3 Select NET registers Performance NET Prti Prt2 085 CR From the NET Registers screen press F1 to view current registers go to Ste
219. wed to access this unit s Management Information Base MIB External SNMP managers must supply this name to access an object in the MIB Edit Allows you to edit or display the first community name The factory default sets this string to public Clear Allows you to clear the first community name Access 1 Read Next Read Prev Access 1 Specifies the type of access allowed for community name 1 This is the type of access allowed for external SNMP managers accessing objects in the MIB using community name 1 Read Allows read only access SNMP Get to the accessible objects in the MIB for this device when community name 1 is used This includes all objects specified as either read only or read write in the MIB RFCs R W Allows read and write access SNMP Get and Set to the objects in the MIB for this device when community name 1 is used Write access 15 allowed for all objects specified as read write in the MIB RFCs Read access is allowed for all objects specified as either read only or read write 3170 A2 GB20 20 December 1996 C 17 ACCULINK 317 1 DSU CSU Table C 9 2 of 4 General SNMP Configuration Options CommunityName2 Next Edit Clear Prev Community Name 2 Specifies the second of two community names that are allowed to access this unit s Management Information Base MIB External SNMP managers must supply this name to access an object in the MIB Edit Allows you to edit or display the second
220. z Typical Drive Distances 75 ohm coaxial cable 3 4 km 120 ohm 22 AWG 0 6 mm 2 3 km 120 ohm 24 AWG 0 5 mm 1 8 km 120 ohm 26 AWG 0 4 mm 1 5 km 3170 A2 GB20 20 December 1996 B 1 ACCULINK 317 1 DSU CSU Table B 1 2 of 2 Models 3172 3174 DSU CSUs Technical Specifications Specifications Criteria PORT INTERFACE Standards EIA 530A V 35 RS 449 Rates Nx64 kbps Nx56 kbps APPROVALS Refer to the product labeling CLOCKING SOURCES E1 network interface synchronous data port internal clock DTE Drop Insert interface or external clock PHYSICAL DIMENSIONS Height 3 90 inches 10 0 cm Width 7 63 inches 19 4 cm Depth 12 13 inches 30 8 cm WEIGHT 3 6 pounds 1 7 kg ENVIRONMENT Operating Temperature 32 F to 122 F 0 C to 50 C Storage Temperature 4 F to 158 F 20 C to 70 C Relative Humidity Shock and 595 95 noncondensing Vibration Withstands normal shipping and handling B 2 December 1996 3170 A2 GB20 20 Configuration Options gl ag ose oes baa eee bee nee HOR EGS DTE Interface Configuration Options Port Configuration Network Interface Configuration Options Channel Configuration Options General Configuration User Interface Configuration Options Alarm Configuration Options SNMP Configuration

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