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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-1083TDM-CLK (TDM Bus Clock)
3
2. Otherwise, enter the
display errors
command, and follow
corrective procedures for any other TDM-CLK, TONE-BD, SYNC,
DS1C-BD, EXP-INTF, SNC-BD, and SNI-BD errors logged, except
for those in the following table.
3. If 1025 errors persist, refer to SYNC Maintenance.
h. Error Type 1281
This error is an indication that the Tone-Clock circuit
pack has detected a loss of timing signal from the system synchronization
reference. The Tone-Clock circuit pack has switched synchronization
references.
1. Resolve any errors logged against the SYNC or STRAT-13
maintenance objects.
2. Refer to SYNC maintenance if the error is not resolved by step 1
Error Type 1282
Indicates that the TN2182 tone-clock was synchronized
to a DS1 facility and that the reference frequency provided by the DS1
drifted beyond a range that could be tracked by the TN2182. Therefore
the TN2182 is no longer synchronized to that DS1 reference. If a second
DS1 is available, the tone-clock may be synchronized to that reference. If
no secondary DS1 reference is available, the tone-clock will run off of its
internal clock. This may result in slips being reported by the tone-clock
and all DS1 facilities.
i. The tone-clock circuit pack in the master port network was unable to
detect the incoming synchronization signal, but the other tone-clock was
able to detect the references. If the aux data is 0, the problem is with the
signal on the primary. If the aux data is 1, the problem is with the signal on
the secondary. The system should switch clocks in this situation.
1. Replace the Tone-Clock circuit pack.
j. The indicated Tone-Clock circuit pack has detected a loss of timing signal.
1. Enter
display errors
and
display alarms
, and follow the
associated repair procedures for TDM-CLK error log entries that
have on-board alarms.
2. If the 2305 errors persist:
a. Execute the
test synchronization r 10
command and check
to see if new 2305 errors were reported.
Error Log Entries for Slip Errors
Circuit Pack Name
Error Log
Name
Error Log Entry
for Slips
DS1 Interface DS1-BD 3073 to 3160
Tone-Clock TDM-CLK 1025
UDS1 Interface UDS1-BD 3073 to 3160
DS1C Circuit Pack DS1C-BD 3329