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HP P4459A 8-Port Fibre Loop Switch Installation & Operation Guide
•
Never insert foreign objects into optical transmit and receive ports.
•
Do not bend fiber cable to less than a three-inch bend radius.
Troubleshooting the Switch
If there is a problem accessing a device connected to the fibre loop switch, the
source of the problem can be with the device, the switch, the host, or any of the
connections between the host and device. Follow the steps outlined below to
investigate the problem. A description of possible symptoms and probable causes
follows:
1.
Check the power LED.
If it is off, the unit may not be plugged into main power.
2.
Inspect the switch fault LED indicators for apparent problems.
If the fault LED goes on, the switch may be faulty or the temperature may
be out of limits.
3.
Inspect the cabling between the switch and attached Fibre Channel
devices.
Check for loose, dirty, broken, or bent cabling and connectors.
4.
If GBICs are in use, check that they are properly inserted and that
their cables are properly seated.
5.
Check the port status LEDs.
Reading the LED Indicators
The LED indicators provide information about the status of the switch. These
should be used as the first stage in troubleshooting. The various LEDs are
interpreted by the following tables:
•
Table 5 interprets the behavior that the Power, Fault and Initialization LEDs
exhibit.
•
Table 6 gives a generic description of the Port LEDs.
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