ADC P-61-743 Network Card User Manual
Contents
1. 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 11897 A Figure 1 Remote Test Access Unit RTAU Module Page 5 O 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 e September 2004 1 1 053 MUX Compatibility Refer to Table 1 for compatibility information for 053 MUXs test access units and MPU SCU software versions Table 1 053 MUX TAU RTAU and MPU SCU Software Compatibility TEST ACCESS MPU SOFTWARE SCU SOFTWARE DS3 MUX TYPE UNIT TYPE VERSION VERSION FUNCTIONALITY DI TAU 5 1 1 or later 2 5 or later TAU DI RTAU 53 3 0 or later RTAU Refer to the Soneplex System Operation and Maintenance Manual listed under Related Publications at the beginning of this manual for more information 2 INSTALLATION There are two installation procedures Initial Installation This installation procedure applies to the first time an IBBC shelf will be populated with a RTAU module Maintenance Installation Existing System This installation procedure applies to an IBBC shelf that has already been populated with a RTAU module Please follow the appropriate procedure per your system configuration Page 6 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 2 1 Initial Installation This installation procedure applies to the first time an IBBC shelf will be populated with a RTAU module If the IBBC shelf has already been populated with a RT2. Issue 3 September 2004 4 FRONT PANEL OPERATION controls and indicators of the RTAU including the jack accesses for a selected DS1 signal are located on the front panel Figure 3 The controls and indicators are described in Table 2 Table 2 RTAU Front Panel Description STATUS Red Module failure LED test Module operating normally B8ZS AMI Green Indicates that the user has selected B8ZS line code for the bipolar interface Indicates that the user has selected AMI line code for the bipolar interface Off Indicates that the user has selected the internal signal monitor generator at the RTAU Intrusive Test Yellow LED test TT ER Indicates that the selected test mode of the RTAU is intrusive No intrusive testing in progress LINE CODE This is a pushbutton switch that toggles the DS1 interface between B8ZS AMI the internal signal monitor generator at the RTAU When B8ZS has been selected the B8ZS AMI LED will turn green when AMI has been selected the B8ZS AMI LED will turn yellow when the internal signal monitor generator at the RTAU is selected the B8ZS AMI LED will turn off Using this switch overrides the Craft Interface RTAU Line Code field setting BIPOLAR ACCESS JACKS DESCRIPTION DS1 RX Bantam jack connection from 1251 receive to test equipment Bipolar DS1 signals from external test equipment can be applied to the RX jack for testing DS1 TX Bantam jack connection from DS1 transmit to t
3. work harden and break at the bend Bent pins must be removed and replaced using special tools and is not recommended as a field repair Remove shelf with damaged pins and contact ADC for replacement Refer to 8 Customer Information and Assistance 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 2 2 Maintenance Installation Existing System Replacement of the RTAU module in existing IBBC shelves should follow normal maintenance procedures Since a module has already been in service in the affected slot the backplane pins will have been trained into alignment with subsequent replacement modules If excessive resistance is encountered upon insertion remove the module and inspect for misalignment or obstructions This procedure assumes that the IBBC shelf has already been populated with a RTAU module If this is the first time that the IBBC shelf has been populated with a RTAU module go to 2 1 Initial Installation Installation consists of unpacking and installing the RTAU module and verifying that it is functioning properly Use this procedure to install a RTAU module AN Warning To prevent electrical shock never install equipment in a wet location or during a lightning storm When installing or modifying telephone lines disconnect lines at the network interface before working with uninsulated lines or terminals A Caution Electronic modules can be damaged by electrostatic discharge ESD Before
4. Note Edits can be saved into the configuration database after each change is made in one of two ways 1 Press an arrow key and then Enter or Return once or 2 Press Enter or Return twice after all selections and entries are made in the screen but before leaving the screen If the entries have been accepted a message Configuration Successful Press Any Key To Continue will appear on the screen Note Press CONTROL A for help information on moving around and editing fields Note The RTAU s status can also be displayed using the Shelf Status screen where the letter in the slot column means an RTAU is present Refer to the Soneplex System Operation and Maintenance Manual listed under Related Publications at the beginning of this manual for more information on the Shelf Status screen Note Be sure to configure the line card to be tested before setting up test access Refer to Figure 3 shown previously Check that the STATUS LED on the front panel of the RTAU module is green indicating that the module is operating normally Log on to the Craft Interface If you are unfamiliar with the log on procedure refer to the Soneplex System Operation and Maintenance Manual listed under Related Publications at the beginning of this manual for more information Use the arrow or number keys to select System Maintenance from the Main Menu Press Enter or Return The System Maintenance menu will appear as shown in Figure 4 Use the a
5. A For Assistance Figure 4 System Maintenance Menu CONFIGURATION 1 RTAU Setup and Control 2 User Pattern Definition Press CONTROL A For Assistance Figure 5 RTAU Configuration Menu 6 Starting at the top of Table 3 and working your way to the bottom configure RTAU fields Use the arrow keys to move from field to field Page 14 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 7 Assign the selections by pressing Enter or Return RTAU SETUP AND CONTROL EQUIPMENT SETUP Current User NONE Ciroueies 1 1 Line Code JUNI Mode DISABLE SIGNAL GENERATOR SE Pattern Type QRS Frame Format UNFRAME Loop Code NONE BIT ERROR SETUP Error Counts Status Elapsed Time mne Cue 6 IN ane ES Error Rate 12 Same E ERSS Lon 9 RAI 8 Test Timeout 60 Measurement STOP In Minutes Press CONTROL A For Assistance Figure 6 RTAU Setup and Control Screen Showing Defaults for Screen With Line Code Field Set to INTERNAL EST ACCESS UNIT STATUS COMMANDS 685 1 DS14 1 Drop Direction Insert Direction Status Command TAU Present Status NO Press Control A For Assistance Figure 7 Test Access Unit Status Commands Screen If there is a TAU in the chassis the TAU Present Status displays YES Page 15 2004 AD
6. ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 8 CUSTOMER INFORMATION AND ASSISTANCE Page 30 ADC Technical support is available 24 hours a day 7 days a week by contacting the ADC Technical Assistance Center Sales Assistance 800 366 3891 Systems Integration 800 366 3891 ADC Technical Assistance Center 800 366 3891 Email wsd support adc com Online Technical Support Online Technical Publications Product Return Department 800 366 3891 E Mail repair return adc com Quotation Proposals Ordering and Delivery General Product Information Complete Solutions from Concept to Installation Network Design and Integration Testing System Turn Up and Testing Network Monitoring Upstream or Downstream Power Monitoring and Remote Surveillance Service Maintenance Agreements Systems Operation Technical Information System Network Configuration Product Specification and Application Training Product Specific Installation and Operation Assistance Troubleshooting and Repair Field Assistance www adc com Knowledge_Base index jsp www adc com documentationlibrary technicalpublications ADC Return Authorization number and instructions must be obtained before returning products Product information may also be obtained using the ADC web site at www adc com or by writing ADC Telecommunications Inc P O Box 1101 Minneapolis MN 55440 1101 U S A Contents herein are current as of the date
7. Telecommunications Inc ADCP 61 743 Issue 3 September 2004 BIPOLAR ACCESS DS3 MUX Ger FRONT DS1TEST PANEL PATTERN GEN DETECTOR i DS3 EQUIPMENT CONTROLLER FACILITY MONITOR SPLIT 11864 C Figure 8 RTAU Test Configuration Block Diagram EQUIPMENT E FACILITY F EQUIPMENT E FACILITY F NETWORK CUSTOMER NETWORK 093 MUX CUSTOMER 7 l 7 CIRCUIT CIRCUIT UNDER TEST UNDER TEST MONF MONE SIGNAL SIGNAL PRESENCE PRESENCE DETECTOR DETECTOR 11865 C Figure 9 MONF and MONE Page 24 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 EQUIPMENT E FACILITY F EQUIPMENT E FACILITY F NETWORK CUSTOMER NETWORK DS3 MUX CUSTOMER A 4 CIRCUIT CIRCUIT UNDER TEST UNDER TEST SPLTB SPLTA SIGNAL SIGNAL PRESENCE PRESENCE DETECTOR DETECTOR TEST SIGNAL TEST SIGNAL GENERATOR GENERATOR 11866 B Figure 10 SPLTB and SLPTA OFFICE INTEROFFICE OFFICE Z A END Z END 177751 RTAU FACILITY RTAU 1 1 d 1 1 er ies LOOPBACK 1 INSERT DROP 1 1 LOOPBACK 1 NETWORK B CUSTOMER B 1 1 1 T 1 CPE CPE SPLTB A A TRANSMISSION PATH B TRANSMISSION PATH E EQUIPMENT NETWORK FACILITY CUSTOMER 11867 B 6 S
8. generated by a 20 stage shift register with feedback taken from the 17th and 20th stages The non inverted output is taken from the 20th stage and an output bit is forced to be a 1 whenever the next 14 bits are all 0 s QRS is typically used to verify continuity and to check circuit performance in the presence of traffic like signals Quasi random Signal QRS is a signal repeated every 1 to 24 bits as specified by the Operation System OS application QRS must conform to the description in Bellcore TR NPL 000054 continued Page 18 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Table 3 RTAU Configuration Fields continued FIELD OPTIONS DESCRIPTION DEFAULT SIGNAL GENERATOR SETUP FIELDS CONTINUED 2 15 1 2 23 1 AII Ones Pattern Type continued Toggle Framed Zeros 215 1 is a 32 767 bit pseudo random pattern that generates a maximum of 14 sequential 0 s and 15 sequential 175 The pattern provides a maximum number of 0 s allowed for framed non B8ZS testing The pattern does not meet the minimum 175 density requirement 223 1 is a 8 388 607 bit pseudo random pattern that generates a maximum of 22 sequential 0 s and 23 sequential 1 s The pattern exceeds excess 0 s and does not meet the minimum 1 s density requirements for T1 applications Test of T1 span line The all 1 s pattern causes the span line repeater to consume the maximum amount
9. handling modules wear an anti static discharge wrist strap to prevent damage to electronic components Place modules in anti static packing material when transporting or storing When working on modules always place them on an approved anti static mat that is electrically grounded 1 Open the front cover of the Soneplex Broadband V5 chassis 2 Open the shipping carton and carefully unpack the RTAU module from its protective packing material Inspect the module for damage 3 Refer to chassis markings above the module slot Figure 2 to install the RTAU module in the full height slot marked TAU 4 Align the module edges of the RTAU with the mounting slot module guides Use the injectors to seat the module in the chassis If there is excessive resistance remove the module and check for obstructions or improper alignment Page 9 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 3 LED CHECK 1 When the RTAU module Figure 3 is seated the STATUS LED will be lit red for approximately 5 seconds All LEDs will then flash yellow and then the STATUS LED will be lit green If the STATUS LED is not lit green after 10 seconds replace the module Refer to 2 2 Maintenance Installation Existing System STATUS 825 LINE CODE INTRUSIVE TEST A BIPOLAR ACCESS L 12693 B Figure 3 RTAU Front Panel Page 10 2004 ADC Telecommunications Inc ADCP 61 743
10. manuals and their publication numbers Copies of these publications can be ordered by contacting the ADC Technical Assistance Center at 1 800 366 389 Title ADCP Number Soneplex Broadband System Description Design and Application Manual V5 ADCP 61 472 Soneplex Broadband System Operation and Maintenance Manual V5 ADCP 61 471 Soneplex 053 MUX Module Installation Instructions ADCP 61 742 Soneplex System Installation Manual LTPS UM 8010 Soneplex Shelf Controller Unit V4 1 User Manual LTPS UM 8031 Admonishments AN A Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided The admonishments in the form of Dangers Warnings and Cautions must be followed at all times These warnings are flagged by use of the triangular alert icon seen below and are listed in descending order of severity of injury or damage and likelihood of occurrence Danger Danger is used to indicate the presence of a hazard that will cause severe personal injury death or substantial property damage if the hazard is not avoided Warning Warning is used to indicate the presence of a hazard that can cause severe personal injury death or substantial property damage if the hazard is not avoided Caution Caution is used to indicate the presence of a hazard that will or can cause minor pe
11. of publication ADC reserves the right to change the contents without prior notice In no event shall ADC be liable for any damages resulting from loss of data loss of use or loss of profits and ADC further disclaims any and all liability for indirect incidental special consequential or other similar damages This disclaimer of liability applies to all products publications and services during and after the warranty period This publication may be verified at any time by contacting ADC s Technical Assistance Center at 1 800 366 3891 or by writing to ADC Telecommunications Inc Attn Technical Assistance Center P O Box 1101 Minneapolis MN 55440 1101 U S A Product Catalog SPX RTAUOA11 Part Number 1169023 CLEI SNPQCN2D Document ADCP 61 743 Issue 3 1304058 T DT September 17 2004 O 2004 ADC Telecommunications Inc AII Rights Reserved Printed in U S A
12. radio emission for digital apparatus set out in the radio interference regulation of the authorization methods of Industry Canada Operation in a residential area may cause unacceptable interference to TV and radio reception requiring the owner or operator to take whatever steps are necessary to correct the interference Certification Standards The Soneplex Broadband system is compliant with UL 1459 ANSI T1 403 1997 Carrier to Customer Installation 125 1 Metallic Interface 1997 TR NPL 000054 High Capacity Digital Service 1 544 Mbps Interface General Requirements for End Users Issue 1 April 1989 Page 3 2004 ADC Telecommunications Inc ADCP 61 743 e Issue 3 e September 2004 1 DESCRIPTION The Remote Test Access Unit RTAU Figure 1 provides maintenance functionality for monitoring and intrusive test access to the DS1 channels in the chassis between the DS3 MUX and the low speed distribution modules DLX HLXC ODS2 and RLX The RTAU requires no periodic maintenance It requires the Version D1 or later D53 MUX module and MPU Version 5 3 or SCU Version 3 0 or later system software to be functional in the Soneplex Broadband System for DS3 applications If an earlier version of MPU software is used the RTAU will appear as a blank slot on the Craft Interface s Inventory Status screen Earlier versions of the SCU software will not display the TAU slot The RTAU has the following features Page 4 Access supervision for
13. s toggle and input or The bits can be entered by typing a string of 0 s or 1 s in the bit field located to the right of the designated entry User Loop Down Enter 16 value expression using only 175 0 s or The bits can be entered by typing a string of 0 s or 1 s in the bit field located to the right of the designated entry Note NI means Network Interface device continued Page 21 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 e September 2004 Table 3 RTAU Configuration Fields continued FIELD TYPE OPTIONS DESCRIPTION DEFAULT BIT ERROR SETUP FIELDS OVERVIEW Bit errors can be injected by the RTAU using the Bit Error Set Up fields These sections are display only fields that are only displayed when the line code setting is INTERNAL The Status field always shows the current status if the line code is INTERNAL but the Error Counts and Elapsed Time fields only show a value when a measurement is being made Error Rate Error Counts Data Display only Error Counts BPV Display only Error Counts Frame Display only Error Counts CRC Display only Error Counts COFA Display only Status F Sync Display only Status P Sync Display only Status RAI Display only Page 22 2004 ADC Telecommunications Inc Range of 0 to 1544 Select either Error Count or Error Rate for bit error setup Both cannot be set at the same time If single errors or a burst o
14. 3 1 3 2 3 3 3 4 changed if the value set in the Mode field is 4 1 4 2 4 3 4 4 DISABLE 5 1 5 2 5 3 5 4 6 1 6 2 6 3 6 4 7 1 7 2 7 3 7 4 continued 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Table 3 RTAU Configuration Fields continued FIELD TYPE OPTIONS DESCRIPTION DEFAULT EQUIPMENT SETUP FIELDS continued Mode Toggle OVERVIEW Valid access modes and the resulting DISABLE configurations are shown in Figure 8 RTAU Test Configuration Block Diagram Figure 9 MONF and MONE Figure 10 SPLTB and SLPTA Figure 11 Typical Round Robin Test Configuration Figure 12 Typical End Test Configuration Figure 13 SPLTF and SLPTE Figure 14 Typical Point to Point Test Configuration Figure 15 SPLTFL and SPLTEL and Figure 16 LOOPF and LOOPE In addition when the Mode field change is saved by pressing the Enter or Return key the MPU or SCU will instruct the DS3 MUX to drop and insert the selected circuit DISABLE When DISABLE is selected no monitor or split access can take place Setting the Mode field to DISABLE also stops any measurement in progress as if the Measurement field described below had been set to STOP The tested circuit will also be restored to normal operation MONE Non intrusive monitor access to the A pair MONF Non intrusive monitor access to the B pair SPLTA SPLTA mode indicates a split in the A transmission path with a Test Signa
15. ADCP 61 743 Issue 3 September 2004 Soneplex Remote Test Access Unit RTAU o User Manual Content Page DESCRIPTION 4 121 053 bec cl 6 2 Lut cic cineca tein dacs 6 24 I NE i 7 PEN Damagen 8 2 2 Maintenance Installation Existing System Au 9 MERECE 10 4 FRONT PANEL OPERATION ee 11 5 CE 12 UE Re UNDG E 28 pisse Hii D E 29 30 INTRODUCTION This manual describes and provides installation procedures for the Remote Test Access Unit RTAU module used in the Soneplex Broadband System MPU V5 3 and SCU V3 0 or later Revision History ISSUE DATE REASON FOR CHANGE Issue 1 06 1999 Original Issue 2 04 2000 Add DS3 MUX compatibility and SCU 3 0 or later support Issue 3 09 2004 Technically updated 2 Installation 3 LED Check and 8 Customer Information and Assistance sections Trademark Information ADC and ADC Telecommunications are registered trademarks of ADC Telecommunications Inc Soneplex is a registered trademark of ADC Telecommunications Inc 1304058 Page 1 2004 ADC Telecommunications Inc ADCP 61 743 e Issue 3 e September 2004 Related Publications Listed below are related
16. AU module go to 2 2 Maintenance Installation Existing System Installation consists of unpacking and installing the RTAU module and verifying that it is functioning properly Use the following procedure to install a RTAU module AN Caution Electronic modules can be damaged by static electrical discharge Before handling modules wear an anti static discharge wrist strap to prevent damage to electronic components Place modules in anti static packing material when transporting or storing When working on modules always place them on an approved anti static mat that is electrically grounded AN Warning If the RTAU module is improperly installed damage can be caused to the system Be careful when inserting the RTAU module into a new chassis Caution must be used to prevent bending pins when inserting modules into a new IBBC shelf Once a module has been successfully seated in the connector it trains the pins and aligns them to the modules connector greatly reducing the chances of bending pins on subsequent insertions The following procedure outlines a method to mitigate the risk on a new shelf installation 1 Open the front cover of the Soneplex Broadband system 2 Open the shipping carton and carefully unpack the RTAU module from its protective packing material 3 Once the Soneplex shelf has been installed and powered up a Remove both 48V A and B side fuses and pilot fuses if used b Inspect the RTAU slots for bent or m
17. C Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Page 16 Table 3 RTAU Configuration Fields FIELD TYPE OPTIONS DESCRIPTION DEFAULT EQUIPMENT SETUP FIELDS Current User OVERVIEW The Current User field can only be set to NONE or CRAFT from the Craft menu If the Current User field is set to NONE the Mode The is being controlled via the TL1 interface This option cannot be enabled from the Craft menu When a Connect Test Access T1 command is issued the Current User field is automatically set to 1 Line Code OVERVIEW If external test equipment is being used set the Line Code field to either AMI or B8ZS External test equipment required T Berd 211 DSI test set or equivalent that can generate a T1 signal If the internal signal monitor and signal generator of the RTAU is being used set the line code to INTERNAL In addition when an intrusive test mode is selected and the line code is set to INTERNAL the signal generator Pattern Type field defaults to QRS to transmit an unframed QRSS signal INTERNAL Disables RTAU front panel bantam jacks for test access Selects internal TSG and SPD B8ZS Enables Bipolar Eight Zero Substitution line code through the Craft Interface AMI Enables Alternate Mark Inversion line code through the Craft Interface Test Circuit 1 1 1 2 1 3 1 4 Group and slot number to be dropped by the 2 1 2 2 2 3 2 4 DS3 MUX The Test Circuit option can only be
18. Extended Super Frame continued Page 20 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Table 3 RTAU Configuration Fields continued FIELD TYPE OPTIONS DESCRIPTION DEFAULT SIGNAL GENERATOR SETUP FIELDS continued Loop Code OVERVIEW The Mode field must be set to a SPLT option before the Loop Code field can be configured Loop codes will be transmitted until the RTAU detects a change in the signal being received At that time the pattern selected before the loop code was set will be transmitted For example when sending a Loop Up code the will restore the original pattern after it receives the loop code it is transmitting indicating that the circuit is looped up Note that the Loop Code bits are displayed in the Loop Code bit field as each code is selected This is provided as a convenience to the operator who may not know the name chosen for the loop code but does know the pattern Disables any active loop code selected for this field When NONE is selected the Loop Code field displays 16 dashes Line Loop Down ESF CSU Loop 38FF 0011 1000 1111 1111 Down ESF NI Loop Up 12FF 0001 0010 1111 1111 ESF NI Loop Down 24FF 0010 0100 1111 1111 ESF CSU Payload 14FF 0001 0100 1111 1111 Loop Up ESF CSU Payload 32FF 0011 0010 1111 1111 Loop Down User Loop Up Enter 16 value expression using only 175 0
19. GNAL PRESENCE DETECTOR TEST SIGNAL GENERATOR OR UNFRAMED QRS YU TERMINATED SIGNAL 11870 B Figure 14 Typical Point to Point Test Configuration EQUIPMENT E FACILITY F EQUIPMENT E FACILITY F NETWORK DS3 MUX CUSTOMER NETWORK DS3 MUX CUSTOMER gt A A B B CIRCUIT CIRCUIT UNDER TEST UNDER TEST SPLTFL SPLTEL TEST SIGNAL PRESENCE GENERATOR DETECTOR TEST SIGNAL SIGNAL GENERATOR PRESENCE DETECTOR 11871 B Figure 15 SPLTFL and SPLTEL Page 27 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 EQUIPMENT E NETWORK DS3 MUX FACILITY F CUSTOMER gt QRS A EQUIPMENT SE TUP Current User Line Code RTAU SI CRAP T gt A CIRCUIT UNDER TEST LOOPF SIGNAL PRESENCE DETECTOR EQUIPMENT E NETWORK FACILITY F DS3 MUX CUSTOMER A B CIRCUIT UNDER TEST LOOPE SIGNAL PRESENCE DETECTOR Figure 16 LOOPF and LOOPE INTERNAL SIGNAL GENERATOR SE UP Pattern Type Frame Format Loop Code ERROR SE Count Error Rate Birsqs oy c Test Timeout In Minutes ORS ESF ONE 60 ETUP AND CONTROL Test Circuit Mode 18 SPLTE Error Counts Status Elapsed Time Measurement IP RAI START Press CONTROL A For A
20. IGNAL PRESENCE DETECTOR O TEST SIGNAL GENERATOR OR UNFRAMED QRS Figure 11 Typical Round Robin Test Configuration Page 25 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September A B E F 2004 OFFICE A INTEROFFICE OFFICE Z END FACILITY ZEND INSERT NETWORK DROP NETWORK 7 CPE SPLTE A TRANSMISSION PATH z B TRANSMISSION PATH EQUIPMENT NETWORK FACILITY CUSTOMER SIGNAL PRESENCE DETECTOR O TEST SIGNAL GENERATOR 11868 B OR UNFRAMED QRS TERMINATED SIGNAL Figure 12 Typical End Test Configuration EQUIPMENT E FACILITY F EQUIPMENT E FACILITY F NETWORK CUSTOMER NETWORK CUSTOMER A 8 8 CIRCUIT CIRCUIT UNDER TEST UNDER TEST SPLTF SPLTE SIGNAL PRESENCE TEST SIGNAL DETECTOR GENERATOR QRS O 2 QRS Page 26 2004 ADC Telecommunications gt es TEST SIGNAL SIGNAL GENERATOR PRESENCE DETECTOR 11869 B Figure 13 SPLTF and SLPTE Inc OFFICE A INTEROFFICE ADCP 61 743 Issue 3 September 2004 OFFICE Z A END FACILITY END F DROP INSERT CUSTOMER NETWORK CUSTOMER INSERT INSERT CUSTOMER NETWORK 1 Cae SPLTF SPLTE A A TRANSMISSION PATH B TRANSMISSION PATH E EQUIPMENT NETWORK F FACILITY CUSTOMER 2 SI
21. d Toggle 1 8 Containing strings of 7 sequential 0 s It is used to determine the ability of a circuit to handle payload signals having minimum 1 s density Use of this pattern often reveals the existence of timing recovery problem under conditions of low signal density Unframed 10000000 1000 0000 Framed 0100 0000 0100 0000 Daly Daly Pattern Modified 55 Octet This is useful for stressing the timing recovery circuits of line cards and the preamplifier equalizer circuits of repeaters The pattern stresses a circuit by introducing rapid transitions from long sequences of low density octets to high density octets high density octets to low density octets and rapid transitions The pattern may be transmitted framed or unframed When framed the frame bit shall be inserted at the octet boundaries and will not overwrite the bits User Code For user defined patterns of 32 bits or less set the Pattern Type field to User Code The bits can be entered by typing a string of 0 s or 1 s in the bit field located to the right of the designated entry Pattern Bits Display None If the Pattern Type field is configured for User only Code pattern bits will be displayed to the right of the Pattern type field parameter This field s name is not shown on the screen If no User Code is entered in the Pattern Type field this field displays 32 dashes Frame Format Toggle UNFRAMED Unframed data pattern SEH ONLY Used for SLC framing
22. est equipment Bipolar DS1 signals from external test equipment can be applied to the TX jack for testing Note The DS1 RX and DS1 TX jacks may be used with 22 AWG Plastic Insulated Cable PIC up to 655 feet in length Access for drop or insert of DS1 signals towards the network DS3 interface or toward the customer DS1 distribution modules for monitoring and intrusive testing is configured through the Craft Interface or the TL1 interface Page 11 2004 ADC Telecommunications Inc ADCP 61 743 e Issue 3 e September 2004 5 CONFIGURATION Use this menu to view or edit the configuration for the RTAU module after it is installed in the chassis This menu can also be used to equip provision assign thresholds and assign service state Page 12 Note A toggle field type means the user can press the space bar to view and select the next option that is described or the user can press the key to view and select the previous option An input field type means the user must type an entry in the field according to the parameters described A fixed field is locked and cannot be changed by the user Note Edits can be made in the configuration database in one of two ways 1 If the complete field is highlighted use the space bar to toggle forward or the key to reverse toggle through the options for that field 2 If only the first space or the field is highlighted type in the data that applies to that field
23. f errors is desired set the Error Count field to the number of errors to insert If the Error Count field is set the number of errors will be transmitted each time the Enter key is pressed OFF 1 3 IE 4 1 5 1E 6 7 Select either Error Count or Error Rate for bit error setup Both cannot be set at the same time If a steady error rate is desired set the Error Rate field which indicates the rate bit or frame errors are injected OVERVIEW The Error Location field must be set to either PAYLOAD or FBE if the count or rate field is set Pressing the Enter or Return key will cause the RTAU to send the errors NONE Indicates count is 0 and rate is off PAYLOAD Bit errors are injected FBE NONE Frame Bit Error Frame errors are injected None Eight digit counter or blank None Eight digit counter or blank None Eight digit counter or blank None Eight digit counter or blank None Eight digit counter or blank None or blank None or blank None or blank continued ADCP 61 743 Issue 3 September 2004 Table 3 RTAU Configuration Fields continued Elapsed Time ES Display None Six digit counter or blank Blank only Elapsed Time EFS Display Six digit counter or blank only Test Timeout in Minutes Input 0 to 1440 Timeout counter for test access If the counter 60 is set to a number higher than 0 and then reaches 0 during test the Mode field will be set to DISABLE aut
24. intrusive testing i e monitor access split access for both A and B transmission paths and loop access for both A and B transmission paths Stress testing of any circuit within the system via the Internal Test Signal Generation feature Many DS1 networks are tested by passing repeating sequences patterns of logical ones and zeros through the network also known as stress test patterns As the test patterns are applied to the circuit they are compared with the original pattern to determine if any errors are introduced QRS Quasi Random Signal is one of the test patterns supported QRS conforms to TR NPL 000054 Capable of inserting bit errors at a specified rate or as single errors or burst errors to the DS1 circuit being tested Ability to monitor intrusively or non intrusively the DS1 circuit being tested User control through the Craft Interface or via the TL1 interface Access to the DS1 through front panel bantam jacks or through the internal test signal generator This control is configurable through the Craft Interface Supports the Building Integrated Timing Supply BITS primary interface through the wire wrap pins on the back of the Soneplex Broadband chassis If a valid BITS signal is applied to the Broadband chassis the RTAU will automatically switch over to the BITS primary interface and use the recovered clock for timing Note The BITS secondary interface on the Soneplex Broadband chassis is not supported by the RTAU
25. irection similar to SPLTE mode The signal in the F direction is looped back Toggle SPLTFL SPLTFL indicates a split in both the A and B paths and connects an SPD to the line incoming from the F direction and a TSG to the line outgoing in the F direction similar to SPLTF mode The signal in the E direction is looped back LOOPE The LOOPE mode is a full split of both A and B transmissions paths The incoming line in the E direction is connected to the SPD and this line is connected to the outgoing line in the E direction The circuit will be looped in one direction The outgoing line in the F direction non test direction will be connected to a QRSS source and the line incoming from the F direction is terminated by the nominal characteristic impedance of the line LOOPF The LOOPF mode is a full split of both A and B transmissions paths The incoming line in the F direction is connected to the SPD and this line is connected to the outgoing line in the F direction The circuit will be looped in one direction The outgoing line in the E direction non test direction will be connected to a QRSS source and the line incoming from the E direction is terminated by the nominal characteristic impedance of the line SIGNAL GENERATOR SETUP FIELDS Pattern Type OVERVIEW If the desired pattern type is not available select the User Code option to enter a pattern 32 bits or less Quasi Random Signal QRS 220 1 is a 1 048 575 bit sequence
26. isaligned pins c If pins are not bent continue to the next step If pins are bent refer to 2 1 1 Damaged Pins section 4 With shelf unpowered refer to the chassis marking above the module slot Figure 2 to install the RTAU module in the full height slot labeled TAU Page 7 O 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Page 8 10 HSW HSP MXW 1 1 1 3 2 1 2 3 3 1 3 3 4 1 4 3 5 1 5 3 6 1 6 3 7 1 7 3 66 oo 14185 RTAU MODULE Figure 2 RTAU Mounting Position in the Soneplex Broadband Align the module edges of the RTAU with the mounting slot module guides Use the injectors to seat the module in the chassis Remove the RTAU module Inspect the backplane connector for bent pins If pins are not bent continue to the next step If pins are bent refer to 2 1 1 Damaged Pins section Re install the RTAU module With the RTAU module installed power up the shelf one fuse at a time a Install the 48V A fuse b Install the 48V B fuse Refer to 8 Customer Information and Assistance if needed 2 1 1 Damaged Pins The pins used in the back plane connector should not be straightened after they have been deflected more than 10 degrees from vertical as they will
27. l Generator TSG connected in the F direction and a Signal Presence Detector SPD connected to the signal from the E direction SPLTB SPLTB mode indicates a split in the B transmission path with a TSG connected in the E direction and an SPD connected to the signal from the F direction SPLTE SPLTE mode indicates a split in both the A and B transmission paths An SPD is connected to the line incoming from the E direction and a TSG is connected to the line outgoing to the E direction The line outgoing in the F direction is connected to a QRSS source and the line incoming from the E direction is terminated by the nominal characteristic impedance of the line SPLTF SPLTF indicates a split in both the A and B transmission paths with a TSG connected to the line outgoing to the F direction and an SPD connected to the line incoming from the F direction The line outgoing in the E direction is connected to a QRSS source and the line incoming from the E direction is terminated by the nominal characteristic impedance of the line continued Page 17 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 e September 2004 Table 3 RTAU Configuration Fields continued FIELD OPTIONS DESCRIPTION DEFAULT EQUIPMENT SETUP FIELDS continued Mode continued SPLTEL SPLTEL indicates a split in both the A and B paths and connects an SPD to the line incoming from the E direction and a TSG to the line outgoing in the E d
28. of power If the current powering the span line is low transmission errors may occur due to the inter symbol interference resulting from the inability of a weak repeater power supply to develop the energy necessary to support the transmission of a long sequence of Used as a final confirmation that all network elements in a circuit are properly optioned with B8ZS for clear channel operation The framed all 0 s pattern consisting of a frame bit followed by an all 0 s payload will only be applied to circuit optioned with B8ZS for clear channel operation Used to determine the ability of network equipment to function properly when transporting signal sequences containing both a maximum of 15 consecutive 0 s during periods of minimum overall pulse density 1000 1000 1000 0000 0000 0000 1000 1000 0100 0100 0000 0000 0000 0100 0100 1000 Unframed Framed Used in conjunction with the 1 in 8 pattern Useful when performing test to reveal the presence of incorrectly optioned AMI or B8ZS equipment Use of the 2 in 8 pattern will confirm the circuits ability to support error free transmission e Unframed 0100 0010 0100 0010 Framed 0100 0010 0100 0010 continued Page 19 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Table 3 RTAU Configuration Fields continued FIELD TYPE OPTIONS DESCRIPTION DEFAULT SIGNAL GENERATOR SETUP FIELDS continued Pattern Type continue
29. omatically If the counter is set to 0 the test timeout will be turned off and the test will have unlimited time Measurement Toggle OVERVIEW Start a measurement by selecting and START at the Measurement field The RTAU will Display wait for pattern sync and frame sync for framed patterns before starting the measurement After synchronizing the measurement display will change to RUNNING Stop any measurement by selecting STOP Refer to Figure 17 fora RTAU configuration screen showing a test that is starting Note If the Mode is set to MONE MONF LOOPE or only frame sync is required before starting the measurement If the pattern is not in sync then the Data Error Counts will read N A until pattern sync is established Initiate measurement STOP Terminate measurement Note Setting the Mode field to DISABLE also stops any measurement in progress as if the Measurement field had been set to STOP RUNNING display Measurement active Waiting on Sync Display None This parameter is displayed to the right of the only Measurement field when the Measurement field is set to START The WAITING ON SYNC message is display only it only shows up when the RTAU is waiting for either frame or pattern sync Examine the status section to determine what sync is needed Mode Toggle DISABLE To end the test session restore the tested circuitto DISABLE normal operation by selecting DISABLE Page 23 2004 ADC
30. rrow or keyboard keys to select Test Access Unit Commands from the System Maintenance menu Press Enter or Return The RTAU Configuration menu will appear as shown in Figure 5 Note The User Pattern Definition screen is not available for the MPU 5 3 or SCU V3 0 releases 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 5 Use the arrow or number keys to select RTAU Setup and Control from the RTAU Configuration menu Press Enter or Return The RTAU Setup and Control screen will appear as shown in Figure 6 Note If the is not plugged into the chassis and the Test Access Unit Commands selection is made from the System Maintenance menu the Test Access Unit Status Commands screen will appear as shown in Figure 7 This screen cannot be configured However if the TAU is plugged into the chassis and the Test Access Unit Commands selection is made from the System Maintenance menu the Test Access Unit Status Commands screen will appear and can be configured Page 13 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 SYSTEM MAINTENANCE Force APS Commands Reset LED Test Commands Execute ACO Alarm Cutoff Loopback Status Commands Display Inventory Display Circuit IDs SCU 860 Data Transfer Commands Trouble Isolation etallic Testing Screen for only Test Access Unit Commands D Lo 41 0 MN P Press CONTROL
31. rsonal injury or property damage if the hazard is not avoided General Safety Precautions Page 2 Caution Electronic modules can be damaged by electrostatic discharge ESD Before handling modules wear an anti static discharge wrist strap to prevent damage to electronic components Place modules in anti static packing material when transporting or storing When working on modules always place them on an approved anti static mat that is electrically grounded 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 FCC Compliance Statement AN The Remote Test Access Unit has been certified to comply with the requirements for Class A computing devices per part 15 of the FCC regulations Warning This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause interference to radio communications It has been tested and found to comply with limits for a Class A digital device pursuant to Subpart A of Part 15 of FCC Rules which are designed to provide reasonable protection against such interference when operated in a commercial environment Operation of this equipment in a residential area is likely to cause interference to TV and radio reception in which case the user at their own expense will be required to take whatever measures may be required to correct the interference This equipment does not exceed Class A limits for
32. ssistance WAITING ON SYNC Figure 17 RTAU Setup and Control Screen Starting a Measurement 6 TL1 COMMANDS The TL1 commands shown in Table 4 that are used for the RTAU are defined in Bellcore requirement GR 000834 CORE For more information about TL1 commands refer to the Soneplex System Operation and Maintenance Manual listed under Related Publications at the beginning of this manual Page 28 2004 ADC Telecommunications Inc ADCP 61 743 Issue 3 September 2004 Table 4 TL1 Commands Used for the RTAU am summ 7 SPECIFICATIONS The technical specifications for the RTAU modules are given in Table 5 Table 5 RTAU Specifications Input Power Input Current Max 175 mA at 48 Volts Input Current Nominal 100 mA at 48 Volts Input Voltage Nominal 48 Input Voltage Range 42 to 60 Vdc Ewe Se Dissipation Max DS1 Jack Access Senge _ Termination F100 ohms nominat 456 ack Type Line Code AMI or B8ZS Controlled by front panel switch Dimensions Height x Width x Depth 9 5 x 9 9 x 1 0 inches 24 1 x 25 1 x 2 5 em Wig Environment Operating Temperature 40 to 149 40 to 65 C Storage Temperature 40 to 158 F 40 to 70 C Relative Humidity Operating 596 to 9590 Altitude Operating 1 312 to 14 764 ft or Non operating 400 to 4 500 m Page 29 2004
Download Pdf Manuals
Related Search