3com 5102B-EE Manual De Usuario
Power-Up Self-Test D - 1
D
Power-Up Self-Test
This appendix describes the diagnostic tests run by the Bridge Module upon
power up. This section also explains how to start the Bridge Module
self-test and how to interpret LED and screen displays that result from the
various tests. The last section explains what to do if an error does occur.
power up. This section also explains how to start the Bridge Module
self-test and how to interpret LED and screen displays that result from the
various tests. The last section explains what to do if an error does occur.
Initiating Self-Test
The self-test diagnostic sequence begins any time you perform one of the
following actions:
following actions:
❑
Plug the module into a powered (live) concentrator
❑
Cycle power on the concentrator
❑
Press the Reset button on the module front panel
❑
Enter the RESET command at the Management prompt
Front Panel LED Display
Under normal conditions, the entire self-test sequence is completed in
twenty seconds or less. At the end of the sequence, all LEDs are OFF. If the
twenty seconds or less. At the end of the sequence, all LEDs are OFF. If the