Allied Telesis AT-GS900/8PS manual Power over Ethernet

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Power over Ethernet

Installation Options

Power Conservation

MAC Address Table

Dimensions

Operating Conditions

AT-GS900/8PS Switch Installation Guide

PoE and PoE+ supported on the 10/100/1000Base-T ports 1 - 4 on the AT-GS900/8PS switch

Supports powered device classes 0 through 4

Max power limit of 75 watts for the switch

Max power limit of 30 watts per port

Port prioritization

Alternative A Mode

19-inch equipment rack

Desk or tabletop

Wall

High-efficiency internal power supply

Power scaling based on traffic loads on ports operating at 1000 Mbps and cable length (port power scaling not available at 10 or 100 Mbps)

Power shutdown/sleep mode on unconnected ports

Up to 8 KB

Automatic learning and aging

Width - 280 mm (11.0 in), Depth - 180 mm (7.1 in), Height - 44 mm (1.7 in)

Operating temperature range of 0° C to 40° C (32° F to 104° F)

Operating humidity range of 5% to 90% non-condensing

Storage humidity range of 5% to 95% non-condensing

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Contents AT-GS900/8PS Installation Guide Copyright 2012 Allied Telesis, Inc Electrical Safety and Emissions Standards Translated Safety Statements Contents Page Figures Figures Tables Tables Preface Symbol Conventions Contacting Allied Telesis Preface Chapter OverviewLEDs PoE Ports SFP Slots FeaturesPower over Ethernet Back Panel Front and Back PanelsTwisted Pair Ports MDI/MDI-X ModeAuto-Negotiation Mode Flow Control and Back Pressure SFP Port Description LEDsTotal PoE delivered power is between 70 W Describes the LEDs for the SFP slots SFP Slot LEDs Power Over Ethernet PoE Power Budget PoE Guard Band Overview Wiring Implementation Power Supply Installation Reviewing Safety Precautions AT-GS900/8PS Switch Installation Guide Selecting a Site for the Switch Unpacking the Switch AT-GS900/8PS Switch Items Installing the Switch on a Desktop Installing the Switch in an Equipment Rack AT-GS900/8PS Switch Installation Guide Installing the Switch on a Wall AT-GS900/8PS Switch Installation Guide Installation Installing Optional SFP Transceiver Installation Cabling the Switch Powering On the Switch Twisted Pair Port LINK/ACT LED Off TroubleshootingPower LED OFF SFP Port LINK/ACT LED Off LINK/ACT LED Intermittently Blinking Slow Network PerformancePowered Device Not Receiving Power Resetting Blinking PoE Port LED Troubleshooting Physical Specifications Technical SpecificationsEnvironmental Specifications Power SpecificationsSafety and Electromagnetic Emissions Certifications PoE SpecificationsPin Signal Connectors and Port PinoutsPin Pair Signal