SFP Ports
or
One model offers two SFP (A and B) ports for 1+1 protection; a second model offers one SFP without protection.
ACT:
•Glows green when the SFP port is the active receive line.
•OFF when the SFP is not the receive line
•Glows red+green when the SFP port is manually forced to
be the active receive line
LNK:
•Glows green when there is a valid link
•Glows red when a loss of optical signal occur, LOF, or with continuous optical bit errors
RAI:
•Off when no remote defects are detected
•Glows red+green when remote LOS or BER detected
MSA:
•Off when no SFP is installed in the port
•Glows green when no SFP alarms are detected
•Glows red+green when SFP alarms or defects are detected at remote end
•Glows red when SFP alarms or misconfigurations are detected locally, i.e., when the SFP is missing, or when SFP speed is not at 155Mbps
8
