HP 2920 Installation And Getting Started Manual page 78

Troubleshooting
Diagnosing with the LEDs
Fault Cmd
off off
off off
off see tip 2
†
blink orange see tip 3
off on
off on
off *
off off
* This LED is not important for the diagnosis.
†
The blinking behavior is an on/off cycle once every 1.6 seconds, approximately.
** The Mdl LED is on the switch front. It is replicated by the Mdl Status LED on the stacking module itself.
Note that this LED is also used to report the status of any 10G Expansion Modules installed in the switch.
See Table 5-1.
5-8
Table 5-2. Stacked Switch and Stacking Module LED Error Indicators
LED Pattern Indicating Problems
Stk
off
off blink orange
on
blink orange
off
off blink orange
†
blink orange
†
blink orange
†
blink orange blink orange
†
blink orange
Module
Mdl **
Port Link LEDs
on
off
†
off
†
blink orange
†
off
* *
* *
†
blink orange
on on
Switch Port LEDs
*
*
†
*
*
*
all off
†
*
*
See
Diag Tips
1
2
3
4
5
6
7
8