Allied Telesis AT-9900s manual Below the recommended speed

Page 13

 

 

Installation and Safety Guide

Table 1: System LEDs (Continued)

 

 

 

LED

State

Description

 

 

 

PSU 2

Green

PSU 2 is installed and supplying power to the switch.

 

 

The voltage output is within specification.

 

 

 

 

Red

PSU 2 is installed in the switch and has exceeded its

 

 

recommended temperature threshold of 75º C

 

 

(167º F), or the fan has failed.

 

 

A FOM is installed in the switch and has failed.

 

 

The bay is empty.

 

 

 

 

Off

A FOM is installed and operating at an acceptable

 

 

speed.

 

 

 

Fault

Red

The switch or management software is

 

 

malfunctioning.

 

 

 

 

1 Flash

One or more heatsink fans has failed or is operating

 

 

below the recommended speed.

 

 

 

 

6 Flashes

The switch’s temperature has exceeded the

 

 

recommended threshold. After flashing six times,

 

 

the LED stops briefly, then repeats the sequence.

 

 

 

 

Slow

The SDRAM (DIMM) has not been detected.

 

flashing at

 

 

startup

 

 

 

 

 

Rapid

The SDRAM (DIMM) is not compatible with the

 

flashing at

switch.

 

startup

 

 

 

 

CF

Green

The CompactFlash memory card is active and

 

flashing

should not be ejected. The card can be safely ejected

 

 

when the LED remains off.

 

 

 

SD

Off

Secure Digital memory card. Not supported by 3.0.1

 

 

software.

 

 

 

13

Image 13
Contents Installation and Safety Guide Page Contents Models Covered by this Guide Package ContentsSelecting a Site Before you begin Installing the SwitchInstalling the switch using the 19-inch rack-mount kit Adjustable bracket AC power supply Applying Power to the SwitchProcedure for DC power supply Using the CLI to configure a switch Connecting the SwitchLED Checking LEDsPSU Below the recommended speed PWR Documentation CDThis product meets the following standards StandardsElektrische Sicherheit Electrical Safety StatementsElectrical Notices SafetyLightning Danger Lightning Activity Electrical Type Class 1 EquipmentAchtung Gefährliche Spannung SicherheitVorsicht Gefahr Durch BlitzschlagNetzsicherung Vorsicht RahmeneinbauSikkerhed Fare Under Uvejr Elektriske ForholdsreglerLynaktivitet Elektrisk Klasse 1-UDSTYR ELEKTRISK-OVERBELASTNING AF SpændingskredsløbetGevaar Voor Blikseminslag VeiligheidElektrische Toestellen VAN Klasse Information SUR LES Risques Électriques SécuritéAvertissement Danger D’ÉLECTROCUTION Équipement DE Classe 1 Électrique Sähköön Liittyviä Huomautuksia TurvallisuusVaroitus Sähköiskuvaara Sähkö Tyyppiluokan 1 Laitteet SalamaniskuvaaraSÄHKÖ-VAIHTORVIRTASÄHKÖPIIRIN Ylikuormitus Avvertenze Elettriche Norme di SicurezzaAttenzione Pericolo DI Scosse Elettriche Pericolo DI FulminiElettricità Dispositivi DI Classe Elektrisitet SikkerhetFare for Lynnedslag Elektrisk Type 1- Klasse UtstyrElektrisk Overbelastning PÅ AC Hovedkretsløp Avisos Sobre Características Elétricas SegurançaAtenção Perigo DE Choque Elétrico Perigo DE Choque Causado POR RaioInstallation and Safety Guide Avisos Electricos SeguridadAdvertencia Peligro DE Electrochoque Peligro DE RayosInstallation and Safety Guide Tillkännagivanden Beträffande Elektricitetsrisk SäkerhetFara FÖR Blixtnedslag Elektriskt TYP Klass 1 UtrustningPage NEW Zealand EC Declaration of Conformity