14
LEDs on AT-8600 Series Switches
The following tables outline how the switch and expansion modules report faults
and operational activities. Expansion modules are optional and can be purchased
separately. Contact an Authorised Allied Telesyn distributer or reseller, or visit
www.alliedtelesyn.com for more information on purchasing expansion modules.
System LEDs
LED
FAULT
MASTER
RPS
PWR
Link and Mode LEDs for the AT -8624T/2M switch
LED
LINK
Mode - COL
Mode - 100
State
Description
Off
Switch operation is normal.
Red
The switch or management software is
malfunctioning
1 flash
A switch fan has failed.
7 flashes
An expansion module has been inserted or
removed while the switch is powered on.
This LED is not supported and will never be lit.
This LED is not supported and will never be lit.
Green
The switch is receiving power and the
voltage is within the acceptable range
State
OFF
Green
OFF
Flashing Green
OFF
Green
AT -8600 Series Switch
Description
There is no link between the port and the
end-node.
A valid link has been established between
the port and the end-node.
No data collisions are occurring on the
port.
Data collisions are occurring on the port.
The port is operating at 10 Mbps.
The port is operating at 100 Mbps.