Troubleshooting
Rev 1.1
Mellanox Technologies
63
LEDs
The LOS LED of a device con-
nected to MEX6200 is lit.
Cable connection problems:
•
Check all cables at the MEX6200 LINK Tx and Rx port
connectors.
•
Repeat the check at the remote equipment.
•
Make sure that the SFP/SFP+ used matches the fiber type
(single mode/multi-mode).
Fiber problem:
•
Use a short fiber to connect the remote equipment Rx con-
nector to its Tx.
•
If the problem is solved, connect the Rx connector of the
fiber to the Tx connector at the MEX6200 location.
•
If the problem persists, replace the fiber.
Defective remote equipment:
•
Use a short fiber to connect the remote equipment Rx con-
nector to its Tx. If the LOS LED is still lit, the remote
equipment is defective.
A problem with the MEX6200 port state:
•
Set the Admin Status of the MEX6200 uplink port to Up
Loss of Propagation:
•
Disable the LOS Propagation for this port. If the problem
is solved, the reason for the LOS alarm is a loss on the
port mate.
Defective SFP/SFP+ module
•
Check for SFP/SFP+ alarms.
•
If there are alarms, replace the SFP/SFP+ module.
Defective MEX6200:
•
Use a short fiber to connect the MEX6200 Rx connector
to its Tx connector. (A signal generator may be required
as the MEX6200 does not generate signals by itself.)
•
If the LOS LED is still lit, replace the MEX6200.
The LINK LED of the local
MEX6200 port is red.
Cable connection problems:
•
Check for proper connections of the cables to the
MEX6200 LINK Tx and Rx connector.
•
Repeat the check at the remote equipment.
Loss Propagation:
•
Disable the LOS Propagation for this port.
•
If the problem is solved, the reason for the LOS alarm is a
loss on the port mate.
High Signal Level:
•
Check the Receiver Input Power.
•
If the power is too high, add an attenuator.
Defective SFP/SFP+ module:
•
Check for SFP/SFP+ alarms.
•
If there alarms, replace the SFP/SFP+ module.
Fiber problem:
•
Check the Receiver Input Power
•
If the power is too low, replace the fiber.
Defective remote equipment:
•
Use a different remote unit.
•
If the problem is solved, replace the remote unit.
The system LED is red.
Defective MEX6200:
•
Check the MEX6200 alarms.
•
If there are alarms, replace the MEX6200.
Table 32 - MEX6200 Troubleshooting
Problem
Indicator
Symptoms
Corrective Measures
Содержание MetroX TX6240
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