Troubleshooting
•All
•The fiber transport is independent of all other ports and should be established first. If this is not possible, a physical fiber loopback can be used for fiber port verification. A fiber loopback will cause all connected ports to loop back their respected data.
•If the fiber is not connected, all T1 ports will send the
•When a replacement module is added into the same slot of the chassis, the SNMP managed configuration may become lost or incomplete. To avoid this situation, wait at least two minutes between removing the old module and inserting the new module.
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