Q-Logic 5800V Manuel D’Utilisation

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4–Diagnostics/Troubleshooting
Transceiver Diagnostics
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2.
Reset the port, and then perform an external port loopback test to validate 
the port and the SFP. For information about testing ports, refer to the QLogic 
5800V Series Fibre Channel Switch Command Line Interface Guide
 or the 
QLogic 5800V Series QuickTools Switch Management User’s Guide. Does 
the port pass the test?
Yes—Continue.
No—Replace the SFP and repeat the test. If the port does not pass the 
test, contact your authorized maintenance provider. Otherwise 
continue.
3.
Replace the Fibre Channel port cable. Is the problem corrected?
Yes—Complete.
No—Continue.
4.
Inspect the device to which the affected port is connected, and confirm that 
the device and its adapter are working properly. Make repairs and 
corrections as needed. If the condition remains, contact your authorized 
maintenance provider.
Transceiver Diagnostics
You can display the following transceiver information using the Show Media CLI 
command:
Port number
Manufacturer
Temperature (°C)
Operating voltage (Volts)
Transmitter bias (Milliamps)
Transmitter power (Milliwatts)
Receiver power (Milliwatts)
The display indicates warning and alarm conditions for both high and low values.