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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Packet Bus Fault Isolation and Correction
Page 9-32Packet Bus Fault Correction
9
!
CAUTION:
Circuit packs in carriers that are not part of the shortened bus are not
inserted. As a result, these circuit packs are not alarmed. Ignore these
alarms for now. All alarms should be resolved when the cabinet is restored
to its original configuration.
Figure 9-7. Carrier Rewiring Example
Procedure 4 is organized into two parts, as follows:
Part 1:
1. Power down the PN. See ‘‘Removing Power’’ section in Chapter 5,
‘‘Routine Maintenance Procedures’’.
2. Replace all of the TDM/LAN cables and both TDM/LAN terminators.
3. Restore power to the PN. See ‘‘
Restoring Power’’ section in Chapter 5,
‘‘Routine Maintenance Procedures’’.
4. Determine if the packet bus fault is still present.
5. If the fault is present, go to Part 2.
Terminator
TDM/LAN
Cable
Normal Cabinet
(Rear View)
Control Carrier
Modified Cabinet
(Rear View)