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DIOD-TRK (DIOD Trunk)
Issue 5 October 2002
1059
555-233-119
These errors cause the Dial Tone Test (#0) to run and are only considered
a problem if the Dial Tone Test fails (in which case Error Type 1537 also
shows up). In this case, the trunk may be put in "Ready-for-Service" state
(shown as "disconnected" by status command), which allows only
incoming calls. Run the Dial Tone Test (#0) and follow its outlined
procedures.
d. Single polarity ringing current - This error results from abnormal ringing
current, but does not prevent the incoming call from being accepted. This
error code is only logged as an informational event and causes no other
testing to occur.
e. Late CO Trunk release - This error indicates that the CO releases the trunk
at least four minutes after the PBX dropped the call. This error code is only
logged as an informational event and causes no other testing to occur.
NOTE:
At the administration terminal, busyout the affected port, and run a Long
test. If Dial Tone Test #0 passes, ignore this error. Release the port.
Table 215. DIOD Trunk Errors with NO Tests
Error
Type
Aux
Data Description and System Action
System Technician
Action
769 57392 CO not releasing after call is dropped from PBX end
(TN747B), or the loop is not open after a disconnect
(TN765). After several occurrences, an off-board
(TN747B) or on-board (TN465) warning alarm is
generated.
Refer problem to CO.
2561 57345 Single polarity ringing current. This error results from
abnormal ringing current, but does not prevent the
incoming call from being accepted. One cause could be
that the reverse current detector associated with the
port is failing. (Will not be detected by any tests.) The
other cause could be that normal current is not
detected. In this case, neither incoming nor outgoing
calls can be completed, and the dial tone test also fails.
Check for other errors.
2817 57393 CO released the trunk at least four minutes after the
PBX dropped the call. This error code is log only and
causes no other testing to occur. No alarm is generated.
Check for other errors.
3073 57376 No loop current on incoming call. The incoming
destination has already answered and no loop current
has been detected. If this is a hard fault, the dial tone
test and all outgoing calls should also fail.
Check for other errors.
3585 57424 No loop current on outgoing call. This error occurs on
attempt to seize a loop or ground-start trunk for an
outgoing call. An error occurs if loop current is not
detected or the caller hangs up before it is detected.
See Note at end of table.
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