Nortel Networks OPTera Metro 3500 User Manual
Page 289
Hardware feature descriptions 3-61
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Alarm LED definitions
The following table lists the OC-192 interface circuit pack LEDs.
The following table lists the modified alarms associated to the OC-192 interface circuit
pack.
Note: When the OC-192 circuit pack receives an unequipped signal on
concatenated traffic rates (STSnC) connections, the OC-192 circuit pack
will raise an UNEQ alarm: "STS3C Rx Unequipped, STS12C Rx
Unequipped, STS24C Rx Unequipped, or STS48C Rx Unequipped".
LED
Color
Description
Status (top)
Red
Circuit pack failure
Yellow Loss
of
signal
Status (bottom)
Green
In service and carrying traffic
Alarm Text or conditions
Default k-bytes
Invalid K-bytes
Node ID mismatch
Traffic Squelched
Wait to Restore
Wait to Restore - Remote
Lockout of Protection Complete - Remote
Lockout of Protection Complete
Lockout of Working Complete
Manual Switch Complete
Manual Switch Complete - Remote
Force Switch Complete
Force Switch Complete - Remote
Protection switch Fail
Auto Switch Complete
Protection Exerciser Failed
Protection Exerciser Complete