342-86400-498PS
Issue 1.2
April 2012
Page 147
Copyright
GE Multilin Inc. 2010-2012
Maintenance Specifications
Mirror Port Feature
Monitor port(s):
Any one port not used for traffic can be used
Ports to be mirrored:
Any other local port‟s traffic can be “mirrored”
Number of mirrored ports:
1 to 7
Traffic mirrored:
Ingress only, Egress only, or Ingress plus
Egress
Caveat:
Monitor port may be overloaded (lost frames)
Line Port Interfaces
Per-Path Signal Integrity:
Received Errored-
frame counter (“CV”)
Received Error-
rate (“BER”)
Far-end Errored-
frame counter (“CV”)
Far-end Error-
rate (“BER”)
Alarms:
Excessive BER (Bit Error Rate)
(User-set threshold 1 to 30 ppm)
Received AIS (from a SONET alarm condition)
Incorrect cabling (Left-port to Right-port)
Mismatched assignment of paths
Traffic rates:
In and Out, in Mbit/sec or % of port‟s capacity
History displayed:
Peaks for last user-configured duration
Configurable peak duration:
1 second to 30 months (1,2,5,10 sequences)
Ethernet Cu Port Interface
Layer-1 Alarm:
Link pulses absent
Ethernet Fiber Port Interface
Layer-1 Alarms:
LOS (absence of received optic signal)
Level Alarm (signal below minimum acceptable)
Level Alert (signal close to minimum acceptable)
High temperature at optic transceiver.
Monitored parameters:
Received signal power
Temperature of optic transceiver
