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Isolating and Repairing Packet-Bus Faults
Issue 1 May 2002
4-111
555-233-143
3. Determine whether the packet-bus fault is still present. If so, and if there
are shorts on the packet bus, perform
Reinserting Port Circuit Packs
and/or
Reinserting EPN’s Control Circuit Packs
for only the circuit packs in
carriers connected to the “shortened” packet bus.
4. If the packet-bus fault is not present, extend the packet bus to another
carrier, and repeat the procedure in the previous step. When a carrier that
causes the fault to recur is added, and if there are shorts, perform
Procedure 2: Removing and Reinserting Port Circuit Packs
and/or
Procedure 3: Removing and Reinserting EPN’s Control Circuit Packs
only the circuit packs in that carrier.
5. If the packet-bus fault recurs as the packet bus is extended, and if there are
no shorts, and Procedures 2 and 3 do not resolve the problem, the added
carrier(s) that caused the problem to recur are defective and must be
replaced.
Содержание S8700 Series
Страница 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Страница 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Страница 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Страница 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Страница 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Страница 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...
Страница 1121: ...CARR POW Carrier Power Supply Issue 1 May 2002 8 399 555 233 143 Figure 8 19 Power Distribution Unit J58890CH 1 ...
Страница 1447: ...E DIG RES TN800 reserve slot Issue 1 May 2002 8 725 555 233 143 E DIG RES TN800 reserve slot See ASAI RES ...
Страница 1735: ...LGATE AJ Issue 1 May 2002 8 1013 555 233 143 LGATE AJ See BRI SET LGATE BD See BRI BD LGATE PT See BRI PT ...
Страница 1846: ...Maintenance Object Repair Procedures 555 233 143 8 1124 Issue 1 May 2002 Figure 8 62 TN787 MMI MULTIMEDIA INTERFACE CIRCUIT PACK ...