Upper ROM Failure : Memory failed ROM test; turns on processor LED.
If problem persists, replace processor.
780E
Lower ROM Failure: Memory failed ROM test; turns on processor LED.
If problem persists, replace processor.
8401
Miscellaneous Error :
Not reported.
None.
8402
Wink Too Short : Outbound dialing problems on tie trunks. Wink from the far end of the interface is less than 100ms, the minimum for delay dial or wink start tie trunks. Tie trunk waits for valid signal.
Check far end of network interface. Check for faulty cable. Replace module.
8403
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 trunk maintenance busy is enabled. .
Check far end of network interface. Check for faulty cable.
8404
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).
If problem persists, check tie trunk configuration. Check far end. Check for faulty cable. Replace module.