Allied-telesis SwitchBlade 4000 Series Switch Hardware Reference Instrukcja Użytkownika Pobierz pdf (Strona 47)

Hardware Reference 47

C613-03060-00 REV H

Troubleshooting

This section provides information on how to detect and resolve problems with

the SwitchBlade and its expansion options.

Other sources of useful troubleshooting information are:

■ www.alliedtelesis.com/support/software.

■ The SwitchBlade Software Reference.

LEDs and What They Mean

The following tables outline how SwitchBlade LEDs report faults and

operational activities.

Switch Controller LEDs

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

Table 12: 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

startup

The SDRAM (DIMM) has not been detected

Rapid flashing at

startup

The SDRAM (DIMM) is not compatible with the

switch

L/A

(Link/Activity)

Green A 100 Mbps management port link is open

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

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 63 64

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