Hardware Reference
7
C613-03059-00 REV F
Switch LEDs
The following LEDs report operations and faults on AT-9800 switches:
■
System LEDs
■
AT-9812T port and GBIC LEDs
■
AT-9816GB GBIC LEDs
System LEDs
AT-9812T
port and GBIC LEDs
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 temperature sensor located immediately
adjacent to the switch chip has exceeded the
recommended threshold of 60 degrees Celsius
RPS (Redundant Power
Supply)
Green
An RPS is connected to the switch and is receiving
power
CompactFlash Activity
(Rear panel)
Green
The CompactFlash memory is active. Do not eject
the flash memory module.
LED
State
Function
GBIC L/A
(Link activity)
Green
A 1000Mbps link is open. The link is operating in
full duplex mode.
Flashing green
1000Mbps full duplex activity is occurring
Amber
A 1000Mbps link is open. The link is operating in
half duplex mode.
Flashing amber
1000 Mbps half duplex activity is occurring
GBIC
Green
A GBIC is installed and enabled
Amber
A GBIC is installed but has not been recognised
Flashing amber
A GBIC is installed and enabled, but a Tx fault is
occurring
BASE-T L/A
(Link activity)
Green
A 1000 Mbps link is open
Flashing green
1000 Mbps activity is occurring
Amber
A 10/100 Mbps link is open
Flashing amber
10/100 Mbps activity is occurring
