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DEFINITY Enterprise Communications Server Release 6
Maintenance for R6vs/si
555-230-127
Issue 1
August 1997
Maintenance Object Repair Procedures
Page 10-1332TDM-BUS (TDM Bus)
10
0FAILIf the Tone-Clock circuit pack is in the PPN, the external synchronization
timing source for side A of the Stratum 3 clock, or for the Primary DS1
reference is either absent or invalid. If the Tone-Clock circuit pack is in
an EPN, the synchronization reference from the active EI circuit pack is
either absent or invalid.
1FAILIf the Tone-Clock circuit pack is in the PPN, both external
synchronization timing sources are either absent or invalid. If the
Tone-Clock circuit pack is in an EPN, the synchronization references
from both EI circuit packs are either absent or invalid.
1. Correct the synchronization source problem. Refer to the
Synchronization (SYNC) maintenance section of this manual.
2. If the error still exists, replace the Tone-Clock circuit pack reported in
the error log.
PASS The external synchronization timing source is valid.
Table 10-463. TEST #651 Standby Reference Health Check Test — Continued
Error
Code
Test
Result Description/ Recommendation
Continued on next page