Ruijie M5750-24GT/12SFP, Installation Manual

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Chapter 3 Troubleshooting Hardware Manual
3-2
Symptom Possible Cause Solution
The fiber type is not right;
The length of the optical fiber
exceeds that rated of the optical
module.
one of the appropriate type;
Replace the optical fiber with
one of the appropriate length;
The RPS power LED
does not turn on
The RPS power supply used is
not the specified model;
The RPS power supply fails;
The RPS power cable is in
loose contact.
Use the RPS power supply
specified by Ruijie;
Replace the RPS power supply;
Check if the RPS power cable is
in loose contact.
If the fault remains after the above procedures are performed or the symptom is beyond the
scope in the above table, please contact the local agent or our technical support engineers.
Non-professionals should not dismantle this unit for maintenance or servicing.