Maintenance-Object Repair Procedures
555-233-143
8-1616
Issue 1 May 2002
TDM Bus Clock Parameter Update Test (#151)
This test updates the following internal parameters on the IPSI or Tone-Clock
circuit pack:
■
Disable in-line duplication status messages.
■
Disable in-line subrate frame maintenance messages (TN768, TN780
only).
■
Set the PPM threshold at 60 PPM for TN768 and TN780. Set the PPM
threshold at 85 PPM for TN2182 and TN2312.
■
Enable PPM threshold switching
■
Set the number of slips to trigger loss of signal - currently 30 per
5-millisecond period
■
Enable the on-board synchronization switching algorithm (see above)
■
Enable holdover operation (TN2182 and TN2312 only)
This is not a test and will always pass without identifying or reporting any IPSI or
Tone-Clock circuit pack errors
Table 8-628.
Test #151 TDM Bus Clock Parameter Update Test
Error
Code
Test
Result
Description / Recommendation
ABORT
Internal system error
FAIL
Internal system error
1. Retry the command at 1-minute intervals up to 5 times.
PASS
The IPSI or Tone-Clock circuit pack parameters have been successfully
updated.
Continued on next page
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...