Allied Telesis AT-9800 Series Switch - Manual (Page 9)

Quick Install Guide 9
C613-04038-01 REV H
System LEDs
The following LEDs report operations and faults on AT-9800 Series switches
(
Table 1 ).
The AT-9800 Series Switch Hardware Reference has further troubleshooting
information, including information on switch port LEDs.
Table 1: System LEDs on AT-9800 Series switches
LED State Function
PWR
(Power)
Green The switch is receiving power
Fault Red The switch or management software is malfunctioning
1 Flash A switch fan has failed or is operating below the
recommended speed
2 Flashes If RPS monitoring is enabled, an RPS fan has failed or is
operating below the recommended speed
3 Flashes If an RPS is connected, the switch’s PSU (Power Supply
Unit) has failed
4 Flashes If RPS monitoring is enabled, the RPS PSU has failed
5 Flashes If RPS monitoring is enabled, an RPS is not connected or
is not operational
6 Flashes The switch’s temperature has exceeded the
recommended threshold
RPS (Redundant
Power Supply) Green An RPS is connected to the switch and is receiving
power
CompactFlash
Activity
(Rear panel) Green The compact flash memory is active. Do not eject the
flash memory module