Lucent Technologies MERLIN LEGEND Release 5.0 Pocket Reference page 121

Maintenance Error Codes ( continued )
Error Code
780D
780E
8401
8402
8403
8404
Description
UPPER ROM FAILURE:
Memory failed ROM test;
turns on processor LED.
LOWER ROM FAILURE:
Memory failed ROM test;
turns on processor LED.
MISCELLANEOUS ERROR:
Not reported.
WINK TOO SHORT:
Outbound dialing problems
on tie trunks. Wink from the
far end of network interface
is less than 100 ms, the
minimum for delay-dial or
wink-start tie trunks. Tie
trunk waits for valid signal.
NO EXTERNAL RELEASE:
Communication problems
between module and CO.
Far end has not
disconnected within 4
minutes. If error occurs
twice consecutively, trunk is
busied-out automatically
whether or not automatic
maintenance-busy is
enabled.
ON HOOK BEFORE WINK:
Outbound dialing problems
on tie trunks. Far end of
network interface went on-
hook before handshake was
completed (for delay-dial or
wink-start tie trunk).
Technician's Addendum
Action
If problem persists,
replace processor.
If problem persists,
replace processor.
None.
Check far end of network.
Check for faulty cable.
Replace module.
Check far end of network
interface. Check for faulty
cable.
If problem persists, check
tie trunk configuration.
Check far end. Check for
faulty cable. Replace
module.
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