Allied Telesis AT-GS900/8PS manual Symbol Conventions

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Preface

Symbol Conventions

This document uses the following conventions:

Note

Notes provide additional information.

Caution

Cautions inform you that performing or omitting a specific action may result in equipment damage or loss of data.

Warning

Warnings inform you that performing or omitting a specific action may result in bodily injury.

Warning

Warnings inform you that an eye and skin hazard exists due to the presence of a Class 1 laser device.

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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 Overview ChapterFeatures LEDs PoE Ports SFP SlotsPower over Ethernet Front and Back Panels Back PanelMDI/MDI-X Mode Twisted Pair PortsAuto-Negotiation Mode Flow Control and Back Pressure SFP Port LEDs DescriptionTotal 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 Troubleshooting Power LED OFFTwisted Pair Port LINK/ACT LED Off SFP Port LINK/ACT LED Off Slow Network Performance LINK/ACT LED Intermittently BlinkingPowered Device Not Receiving Power Resetting Blinking PoE Port LED Troubleshooting Technical Specifications Physical SpecificationsEnvironmental Specifications Power SpecificationsPoE Specifications Safety and Electromagnetic Emissions CertificationsConnectors and Port Pinouts Pin SignalPin Pair Signal