Specifications

Hardware Reference 11

Software Release 3.0.2

C613-03092-00 REV C

Ethernet port LEDs

System LEDs

LED State Description

L/A

(Link Activity)

Green An XFP transceiver is installed and a 10 Gb link

has been established.

Green flashing An XFP transceiver is installed and link activity

is occurring.

Amber A 10/100 Mbps link has been established.

Amber flashing 10/100 Mbps activity is occurring.

D/C

(Duplex/Collision

Green The port is operating in full duplex mode.

Amber The port is operating in half duplex mode.

Amber flashing Collisions are occurring.

LED State Description

PSU 1 Green PSU 1 is installed and supplying power to the switch. The

voltage output is within specification. PSU 1 is in the right bay

when facing the rear of the switch.

Red One of the following:

• PSU 1 is installed in the switch, and either a fan has failed

or the PSU has exceeded its recommended temperature

threshold of 75º C (167º F).

• A FOM is installed in the switch and a fan has failed.

• The bay is empty.

Off A FOM is installed and operating at an acceptable speed.

For AT-9924T and AT-9924SP models, this LED is always off

because a FOM is not required.

PSU 2 Green PSU 2 is installed and supplying power to the switch. The

voltage output is within specification. PSU 2 is in the left bay