GTE Omni Si Database Technical Practices Manual
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TL-130200-1001B PREMOVE AND REPLACE FB-207181 CARD. IIF PROBLEM STILL EXISTS, REINSERT THE ORIGINAL CARD AND REPLACE MPB85 FB-17215-A CARD IN x/4 (NOTE). PROBLEM STILL YESNOTE: See paragraph 1.4.5. Figure 5.10Tl-Type Trunk Loss of Supervision Troubleshooting Flowchart (Sheet 5 of 7)5210 8l87
TL-130200-1001B PREINSTALL ORIGINAL MPB85 CARD. REMOVE ALL OTHER CARDS RESIDING IN FILE WITH _.TROUBLED Tl -TYPE TRUNK INTERFACE EXCEPT THE CARDS REMOVED PREVIOUSLY. FB-17192-A TlB2 FE1 7277-A OR 15277-1SILFB-15278-A FDC FB-15280-A LCM FB-20718-l TlSUPERVISORY FB-17215-A MPB85 IIS THE PROBLEM D YESNO v nH Figure 5.10Tl-Type Trunk Loss of Supervision Troubleshooting Flowchart (Sheet 6 of 7)ISOLATE DEFECTIVE CARD BY REINSTALLING REMOVED CARDS, ONE AT A TIME, UNTIL FAILURE OCCURS. REMOVE AND REPLACE DEFFECTIVE CARD. I M-18681875210
TL-130200-1001Figure 6.10Tl-Type Trunk Loss of Supervision Troubleshooting Flowchart (Sheet 7 of 7)AT THIS POINT CHECK FOR THE PROBLEM IN THE INTERFACE CABLE BETWEEN THE FILES. REPLACE CABLE ONE AT A TIME. IF THE PROBLEM STILL EXISTS AFTER EACH REPLACEMENT, REINSTALL THE ORIGINAL CABLE. IF THE PROBLEM STILL EXISTS, CALL EXPERIENCED MAINTENANCE PERSONNEL. THE PROBLEM MAY BE DUE TO A MULTIPLE CARD FAILURE. BACKPLANE WIRE, OR FAR-END INTERFACING EQUIPMENT. NOTE: See paragraph 1.4.5. 52108187M-187
TL-130200-1001 STARTciARE ANY FAULT ARE ANY FAULT CODES PRINTED ON CODES PRINTED ON THE MAINTENANCE THE MAINTENANCE YES YES 1NO IS THE SYSTEM SYNCHRONIZED?IS PROBLEM COMMON TO THE aB YESNONO vvREFER TO SYSTEM FAULT TABLES nC Figure 5.11Tl-Type Trunk Loss of Transmission Troubleshooting Flowchart (Sheet 1 of 6) 8l875210
TL-130200-1001 CP . .PROBLEM STILL l YESREMOVE ALL OTHER CARDS RESIDING IN FILE WITH TROUBLED Tl -TYPE TRUNK INTERFACE EXCEPT THE CARDS REMOVED PREVIOUSLY. FB-17192-A TlB2FB-17277-A OR 15277-1 SILFB-15278-A FDC FB-15280-A LCM FB-20718-I Tl SUPERVISORY I 4+Dcl PROBLEM STILL YES 1NO (END) Figure 5.11Tl-Type Trunk Loss of Transmission Troubleshooting Flowchart (Sheet 2 of 6) 5210Em7M-189
TL-130200-1001E YREFER TO SYSTEM FAULT CODES PROBLEM STILL M-190 Figure 6.11Tl-Type Trunk Loss ot Transmlsslon I rouDlesnoortng rlowcnarr(Sheet 3 of 6) 81875210
TL-130200-1001D 7REMOVE ALL OTHER CARDS IN FILE EXCEPT FOR THE FIVE DIGITAL TRUNK CARDS REMOVED PREVIOUSLY AND THE MPB85 FB--T-1721 5-A CARD (SEE NOTE).I 1 b YES 1NO REINSTALL ALL CARDS REMOVED FROM THE FILE. REMOVE AND REPLACE THE CHM85 FB-17218-A CARD IN X/l (NOTES 1 AND 2). IIFISOLATE DEFFECTIVE CARD BY INSTALLING THE REMOVED CARDS ONE AT A TIME UNTIL FAILURE OCCURS. REMOVE AND REPLACE THE DEFFECTIVE CARD. NOTE: See paragraph 1.4.5. Figure 5.11Tl-Type Trunk Loss of Transmission Troubleshooting Flowchart (Sheet 4 of 6)5210 8187M-191
TL-130200-1001PROBLEM STILLPROBLEM STILLbb YES YESNO NO v [ END )REINSTALL ORIGINAL CHM85 FB-17218-A CARD INTO THE FILE. CHECK FOR PROBLEM IN THE INTERFACE CABLES BETWEEN THE CHM85 CARD AND THE EPCMN FB-17217-A CARD. REMOVE AND REPLACE ONE TAB CABLE AT A TIME. IF THE PROBLEM IS NOT SOLVED, REINSERT THE ORIGINAL CABLE ONE AT A TIME. YES ‘= Figure 5.11 Tl-Type Trunk Loss of Transmission Troubleshooting Flowchart (Sheet 5 of 6)M-192 8l675210
TL-130200-1001G PIREINSTALL ORIGINAL INCKS.REMOVE AND REPLACE INCKSFB-20992-A OF INC FB-20771 l-1 (NOTES 1 AND 2)IFB-20992-A CARD. REMOVE AND REPLACE EPCMN FB-17217-A CARD IN Y/9. (NOTES 1 AND 2). .1 NO FAR-END INTERFACE EQUIPMENT. ‘I0 ANOTES: 1. See paragraph 1.4.5. 2.Before removing or replacing these cards,disconnect the cables from the front of the card. Figure 5.11Tl-Type Trunk Loss of Transmission Troubleshooting Flowchart (Sheet 6 of 6) 5210ala7M-193
START7CODES PRINTED ONREFER TO SYSTEM FAULT THE MAINTENANCE CODES.TABLES.NO IS THE PROBLEM COMMON TO THE YES 1NO clA -.-.- -.-FIgWe 5.12Tl -Type Trunk Loss of Frame Synchronization Troubleshopting Flowchart (Sheet 1 of 10) %I875210