363-206-305 Trouble Clearing:
TAP-107
Issue 3, June 2000 Page 7 of 22
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
DS1 loopback (to DSX) ABN A loopback (toward the DSX) is active on the
specified T1 port. (See the opr-lpbk-t1: and
rls-lpbk-t1: commands.)
DS1 trmsn test IP ABN A transmission test using the internal test signal
generator and monitor is in progress on the
specified T1 port. (See the test-trmsn-t1:
command.)
DS3 CP failed CR or MN Internal equipment failure of the specified DS3
circuit pack.
DS3 loopback ABN A loopback (toward the optical fiber) is active on
the specified T3 port. (See the opr-lpbk-t3:
and rls-lpbk-t3: commands.)
DS3 loopback (to fiber) ABN A loopback (toward the optical fiber) is active on
the specified T3 port. (See the opr-lpbk-t3:
and rls-lpbk-t3: commands.)
DS3 loopback (to DSX) ABN A loopback (toward the DSX) is active on the
specified T3 port. (See the opr-lpbk-t3: and
rls-lpbk-t3: commands.)
DS3 trmsn test IP ABN A transmission test using the internal test signal
generator and monitor is in progress on the
specified T3 port. (See the test-trmsn-t3:
command.)
environmentn CR, MJ,
MN or
None
The specified environmental alarm point
(miscellaneous discrete input) is active.
Note:
The
actual message that appears in the Active
Alarms and Status Report for this condition
can be provisioned; this is the default message.
(See the rtrv-attr-env: and set-attr-env:
commands.)
excessive holdover MJ The system has been in holdover mode for more
than 4 hours. This may cause degraded
performance (high error rates) on the transmitted
and/or received signals. Whenever this condition
exists, the condition holdover mode active
also exists.
Likely cause:
See holdover mode active.
Table B – RTRV-ALM Message Descriptions (Continued)
Description
Alarm
Level Meaning
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