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ACCULINK 316x DSU/CSU
3-8 December 1996 3160-A2-GB22-10
Table 3-2
NETWORK Interface LEDs
Name
Color Meaning
SIG Green Monitors the signal being received from the network.
ON:
A recoverable signal is being received from the network.
OFF:
The signal cannot be recovered from the network (a Loss of Signal
condition exists).
OOF Yellow Monitors Out Of Frame (OOF) conditions on the received network signal.
ON
: At least one OOF was detected on the signal during the sampling
period.
OFF:
No OOFs were detected on the signal during the sampling period.
ALRM Yellow Indicates whether an alarm condition exists on the received network signal.
ON:
An alarm condition (LOS, LOF, EER, Yellow, AIS) exists on the received
network signal. Use the Device Health and Status command to
determine the alarm type.
OFF:
No alarm condition exists on the network interface signal.
EER Yellow Indicates when the excessive error rate has been exceeded on the network
interface.
NOTE: This LED is only valid when ESF framing is being used.
ON:
The excessive error rate has been exceeded on the network interface.
OFF:
The excessive error rate has not been exceeded on the network
interface.