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Maintenance Object Repair Procedures
555-233-123 10-1740 Issue 4 May 2002
f. Error Type 257—The DS1 Interface circuit pack detects a hardware error
on the DS1 tie trunk. The trunk cannot communicate with the far end
because it is unable to interpret digits sent from the far-end switch. The
Aux Data field indicates the following:
Check with the far-end switch or operating company for proper trunk
connection.
g. Error Type 513—DS1 Interface circuit pack detects a hardware error on the
DS1 tie trunk. The trunk is in-service/active and waiting for an “on-hook”
from the far-end switch. No calls can be routed over the trunk while it is in
this state. Aux Data 57392 indicates no external release on PBX
disconnect. Check with the far-end switch or operating company for proper
trunk connection.
h. Error Type 769—The DS1 Interface circuit pack detects a hardware error
on the DS1 tie trunk. This error usually occurs after one or more
occurrences of error type 513. The trunk has received the belated
“on-hook” that it has been waiting for from the far-end switch. The trunk is
restored to in-service/idle and can be used for calls. Aux Data 57393
indicates delayed external release on PBX disconnect. This error can be
ignored.
i. Error Type 1793—The DS1 Interface circuit pack is out-of-service. See the
appropriate DS1-BD/UDS1-BD (DS1/UDS1 Interface Circuit Pack)
Maintenance documentation for details.
j. Error Type 2305—Reorder message. The trunk could not be seized. This
error will cause the Trunk Seizure Test (#136) to run and is only considered
a problem if the Seizure Test fails (in which case Error Type 1025 will also
show up). In this case, the trunk may be put in “Ready-for-Service” state
(shown as “disconnected” by the status command), which allows only
incoming calls. Run the Trunk Seizure Test (#136) and follow its outlined
procedures.
k. Error Type 2562—Retry Failure error. This error is logged only. It is not a
hardware failure and hence does not start any testing or generate any
alarms. This error comes from call processing and is generated when a
second attempt (retry) to seize an outgoing trunk fails.
l. Error Type 2817—Glare error. This error is logged only. It is not a hardware
failure and hence does not start any testing or generate any alarms. This
error is the result of a simultaneous seizure of a two-way trunk from both
the near-end and the far-end. Attempt to place the call again. If the error
persists, execute the DS1 Tie Trunk Seizure Test (#136) and follow its
outlined procedures.
57473 The rotary dial rate is below 8 pulses per second.
57474 The rotary dial rate is above 12 pulses per second.