Allied Telesis AT-8648T/2SP Spécifications télécharger pdf (Page 25)

Hardware Reference 25

C613-03080-00 REV E

LEDs and What They Mean

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 Telesis distributor or

reseller, or visit www.alliedtelesis.com for more information on purchasing

expansion modules.

LEDs on AT-8600 Series Switches

Use the Mode Select button to toggle the Mode LEDs to the desired state. Toggling the

Mode Selection button does not affect the normal operations of the switch.

System LEDs

LED State Description

FAULT Off Switch operation is normal.

Red The switch or management software is malfunctioning.

1 flash A switch fan has failed.

3 flashes The main PSU has failed and the RPS is now providing

power.

4 flashes The RPS Monitor is set to ON, and the RPS is not

functioning, either because it has failed or has been

switched off.

5 flashes The RPS Monitor is set to ON, but the RPS is not

connected.

7 flashes For the AT-8624T/2M and AT-8624PoE switches: An

expansion module has been inserted or removed while

the switch is powered on.

MASTER This LED is not supported and will never be lit.

RPS Green An optional redundant power supply is connected to the

switch.

OFF There is no optional redundant power supply connected

to the switch.

PWR Green The switch is receiving power and the voltage is within

the acceptable range.

Off The switch is not receiving power.

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Allied Telesis AT-8648T/2SP Spécifications Page 25