Maintenance-Object Repair Procedures
555-233-143
8-1606 Issue 1 May 2002
Error Log Entries and Test to Clear Values
Notes:
a. The IPSI or Tone-Clock circuit pack may have a clock at the edge of its
specified frequency. This can cause Expansion Interface circuit packs and
SNI circuit packs to go out-of-frame or report no-neighbor conditions. This
can is turn cause EPNs, Expansion Archangel Links (EALs), Remote
Neighbor Links (RNLs), and/or Local Neighbor Links (LNLs) to go down.
When this error is alarmed, Clock Health Inquiry test (#46) will fail with an
error code of 1.
1. Replace the IPSI or Tone-Clock circuit pack identified in the error
log. See ‘‘Replacing the IPSI or Tone-Clock Circuit Pack’’ on page
8-1666.
Table 8-623. TDM Bus Clock Error Log Entries
Error
Type
Aux
Data Associated Test
Alarm
Level
On/Off
Board
1
1. As a general rule, any on-board errors against the TDM Bus Clock should be resolved before pursuing any
other errors against PNC components. Off-board clock errors may be caused by other board errors, and
should usually be addressed once any on-board errors have been resolved.
Test to Clear Value
0
2
2. Run the short test sequence first. If every test passes, run the long test sequence. Refer to each appropriate
test’s description, and follow its recommended procedures.
0 Any Any Any test tone-clock UUC sh r 1
1 (a) 0 None MINOR OFF
18 (b) 0 busyout tone-clock UUC WARNING OFF release tone-clock UUC
130 (c) None
257 (d) None WARNING OFF
513 (e) Any Clock Circuit Status
inquiry (#148)
MINOR
3
3. Major or Minor alarms on this MO may have been downgraded to Warning alarms based on the values used
in the set options command.
OFF test tone-clock UUC
769 (f) Any Clock Circuit Status
inquiry (#148)
MAJOR
‡
ON test tone-clock UUC sh r 10
1025 (g) Any Clock Slip inquiry(#149) test tone-clock UUC sh
1281,
1282 (h)
Any None MINOR OFF
1537 Any Clock PPM inquiry (#150) test tone-clock UUC sh
2049 (i) Any Standby Reference Health
Check test (#651)
MAJOR
3
ON test tone-clock UUC
2305 (j) 0 None WARNING OFF
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