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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 10-1408TDM-BUS (TDM Bus)
10
■ 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 only).
This is not a test and will always pass without identifying or reporting any
Tone-Clock circuit pack errors.
TDM-Clock Circuit Pack Type Test (#574)
The purpose of this query is to check if the required type of Tone-Clock circuit
pack (TN780) is present when the Stratum 3 clock is administered.
Table 10-427. 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 a maximum of 5 times.
PASS The Tone-Clock circuit pack parameters have been successfully updated.
Continued on next page
Table 10-428. TEST #574 TDM Clock Circuit Pack Type Test
Error
Code
Test
Result Description/ Recommendation
ABORT The system could not allocate the necessary resources for the test.
1. Wait 1 minute and retry the test.
FAIL The Tone-Clock circuit pack in the system is not a TN780. The Stratum 3
clock requires a TN780 Tone-Clock circuit pack.
1. Replace the Tone-Clock circuit pack with a TN780. The old circuit pack
may still be good, and need not be discarded.
PASS The required TN780 circuit pack is present.
Continued on next page