Lucent Technologies MERLIN LEGEND Release 6.1 Pocket Reference page 134

MERLIN LEGEND Communications System Release 6.1
Pocket Reference 555-661-116
Technical Addendum
Technical Addendum
Maintenance Error Codes (continued)
Error
Code
8405 ON HOOK BEFORE
READY:
Outbound dialing problems
on tie trunks. Far end of
network interface went on-
hook before guard time
elapsed (for delay-dial or
wink-start tie trunk).
8406 INTERDIGIT TOO
SHORT:
Inbound dialing problems
on tie and DID trunks.
8407 BAD UPDATE:
Communication problems
between processor and
modules; module may need
to be replaced.
8408 ROTARY RATE >
12PPS:
Inbound dialing problems
on tie and DID trunks.
8409 ROTARY RATE <
8PPS:
Inbound dialing problems
on tie and DID trunks.
840A BAD DOWNLINK
MESSAGE:
Communication problems
between processor and
modules; module received
an unrecognized message
from processor.
840B NO LOOP CURRENT:
Communication problems
between module and CO;
no loop current. If error
occurs four times
consecutively and if
automatic maintenance-
busy is enabled and
maintenance-busy limit is
less than 50%, trunk is
busied-out automatically.
Description Action
Check far end of network
interface. Check wink
start and for faulty cable.
Check far end of network.
Replace module.
Check far end of network
interface. Check for faulty
cable. Replace module.
Turn processor off and
then on. Repeat system
programming procedure.
If problem persists,
contact NSAC Tier III.
Check far end of network
interface. Check for faulty
cable. Replace module.
Check far end of network
interface. Check for faulty
cable. Replace module.
Turn processor off and
then on. Repeat system
programming procedure.
If problem persists,
replace module.
Replace module with
similar module and test. If
problem is resolved,
replace bad module. If
problem persists, reinstall
old module and test trunk.
Issue 1
August 1998
Page 128