HP ProCurve J4862A Manuel d'installation - Page 22

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Troubleshooting

16
Troubleshooting
The primary tools for troubleshooting the switch modules are the LEDs on the
front of the switch and on the modules. Refer to "LED Behavior" on page 8.
Also, refer to the Installation and Getting Started Guide for more detailed
troubleshooting information.
The following tables describe switch and module LED displays that indicate
that the module or connections to the ports on the module are not operating
correctly.

Switch and Module LED Error Indicators:

Fault
Self Test
†
Flashing
Flashing
†
Flashing
Flashing
Off
Off
†
Flashing
Flashing
Off
Off
Off
Off
†
The flashing behavior is an on/off cycle once every 1.6 seconds, approximately.
††
The fast flashing behavior is an on/off cycle once every 0.8 seconds, approximately.

Diagnostic Tips:

See the tables on the next three pages to diagnose the LED error indicators in
the previous table.
Module Status
†
†
Flashing
†
†
Flashing
On briefly, then
†
Flashing
†
†
Flashing
Off
Fast Flashing
On
Off with cable
connected
Port Link
Diagnostic Tips
➊
Never On
➋
Off
➌
Off
†
➍
Flashing
††
➎
➏