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MAINTENANCE
ERROR MESSAGE
AND DESCRIPTION
POSSIBLE SOLUTION
Received Incorrect Number of
DID Digits:
This error indicates
that the CO is set up to send a
number of DID digits different
from what the switch has been
administered to receive.
Ensure that trunks are properly
translated.
Notify local CO to
verify the correct number of digits
to be sent. Test trunk per Figure
4-3.
RIMS Insane:
Service Circuit or
Tone Detector CP problem.
If an “RIMS Sane” occurred, the
system will remove this error from
the permanent alarm table. If the
problem
persists, check or
replace the faulty CP.
RIMS Sane: RIMS recovered from
Recoverable; no action required.
an insane condition.
ROM
Checksum
Failure:
CPU/Memory CP ROM checksum
test has failed.
If the problem persists, check or
replace the CPU/Memory CP.
Ringing Without Ground: Ground
was not detected from CO within
5 seconds from the time ringing
starts.
Check Tip/Ring for possible
reversal.
Service Circuit In Mismatched
slot: Service Circuit in slot
translated for other type CP; two
Service Circuits
mounted
in
cabinet. Only one Service Circuit
(ZTN85 or ZTN131 [R3]) allowed
per
system. Additional
tone
detection available using Tone
Detector CP (TN748).
Ensure that only one ZTN85 or
ZTN131 (R3) is in the system. If
there are others, remove them.
Also make sure that the ZTN85 or
ZTN131 (R3) is in it’s translated
slot.
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