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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-1132TONE-BD (Tone-Clock Circuit Pack)
3
See the preceding section, ‘‘How to Replace a Tone-Clock Circuit Pack’’. If
replacement does not solve the problem, follow normal escalation
procedures.
f. Error Type 257
Τhis error indicates transient communication problems
with this circuit pack . This error is not service-affecting and no action is
required.
g. Error Type 513
This circuit pack has an on-board hardware failure.
Replace the circuit pack using the procedure described in preceding
section, ‘‘How to Replace a Tone-Clock Circuit Pack’’
.
h. Error Type 769
This error can be ignored, but look for other errors on this
circuit pack.
i. Error Type 1025
This error is not service-affecting and no action is
required.
j. Error Type 1538
The circuit pack was taken out of service because of an
excessive rate of uplink messages. Use
test tone-clock PC long
to reset
the circuit pack and put it back into service. If the command is not
successful, replace the circuit pack using the procedure described in the
preceding section, ‘‘How to Replace a Tone-Clock Circuit Pack’’
. If the
alarmed circuit pack is the active Tone-Clock of a duplicated pair, first
interchange Tone-Clocks via the
set tone-clock PC
command to avoid a
service outage. If the error occurs again within 15 minutes, follow normal
escalation procedures.
k. Error Type 2049 or 2305
These errors indicate the loss of one or more
clock signals from the reported Tone-Clock circuit pack, which was active
at the time of the error. The effect of any of these errors is described in the
table for error type 1. Diagnosis of the problem is the same for all four error
types, with the exception noted below.
1. Examine the Hardware Error Log for errors reported against circuit
packs in the same Port Network, especially TDM-CLK, TONE-BD,
DUPINT, SW-CTL, and EXP-INTF. Follow the repair or replacement
procedures indicated for any such errors found.
2. If the error is not corrected by resolving errors found in step 1, the
Tone-Clock circuit pack should be replaced. See the preceding
section, ‘‘How to Replace a Tone-Clock Circuit Pack’’
.
NOTE:
Replacing the circuit pack and retesting it with the
test
tone-clock
command is not adequate to retire this alarm and
return the Tone-Clock Circuit Pack to full service; the Clock
Health Inquiry test (#46) will continue to fail. Because the
ability to generate clocks was considered lost, once any
repairs have been made it is necessary to execute the
set
tone-clock PC override
command, forcing the circuit pack to
become active. If the problem has not actually been
corrected, this action may cause a disruption in service for
active digital facilities users.