Allied Telesis manual Switch Controller LEDs, Led

Models: Switch Controller

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Quick Install Guide

11

Switch Controller LEDs

The following LEDs will operate if the switch controller is receiving power.

Table 1: LEDs on the AT-SB4211 Switch Controller.

LED

State

Function

 

 

 

Power

Green

The switch controller is receiving power

 

 

 

Master

Amber

The switch controller is the master controller

 

 

 

 

Off

The switch controller is the slave controller

 

 

 

Fault

Red

The switch controller or management software is

 

 

malfunctioning

 

 

 

 

2 Flashes

A fan-tray fan has failed

 

 

 

 

3 Flashes

A PSU or PSU fan is malfunctioning

 

 

 

 

5 flashes

The fan tray has been removed for more than 20

 

 

seconds

 

 

 

 

6 Flashes

The switch’s internal temperature has exceeded

 

 

the alarm threshold

 

 

 

 

Slow flashing at

The SDRAM (DIMM) has not been detected

 

startup

 

 

 

 

 

Rapid flashing at

The SDRAM (DIMM) is not compatible with the

 

startup

switch

 

 

 

L/A

Green

A 100 Mbps management port link is open

(Link/Activity)

 

 

Amber

A 10 Mbps management port link is open

 

 

 

 

 

Flashing green

100 Mbps activity is occurring through the

 

 

management port

 

 

 

 

Flashing amber

10 Mbps activity is occurring through the

 

 

management port

 

 

 

D/C

Green

The management port is operating at full-duplex

(Duplex/

 

 

Amber

The management port is operating at half-duplex

Collision)

 

 

 

Flashing

Collisions are occurring on the management port

 

 

link

 

 

 

The SwitchBlade Hardware Reference has further troubleshooting information, including information on line card and power supply unit LEDs.

C613-04031-01 REV B

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Allied Telesis manual Switch Controller LEDs, Led