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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-1423TDM-CLK (TDM Bus Clock)
10
0 FAIL The external synchronization timing source for side A of the Stratum 3
clock, or for the primary DS1 reference is either absent or invalid. The
external synchronization timing source for side B of the Stratum 3 clock, or
for the secondary DS1 reference is not yet tested.
1 FAIL The external synchronization timing source for side B of the Stratum 3
clock, or for the secondary DS1 reference is 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. See
How to Replace the Tone-Clock Circuit Pack
in the
TONE-BD section.
PASS The external synchronization timing source is valid.
Table 10-436. TEST #651 Standby Reference Health Check Test — Continued
Error
Code
Test
Result Description/ Recommendation
Continued on next page