Allied Telesis AT-GS900/8PS manual Overview, Chapter

Page 15

Chapter 1

Overview

This chapter describes the AT-GS900/8PS Layer 2 Gigabit Ethernet

Switch. The sections in the chapter are.

“Features” on page 16

“Front and Back Panels” on page 18

“Twisted Pair Ports” on page 19

“SFP Port” on page 21

“LEDs” on page 22

“Power Over Ethernet” on page 25

“Power Supply” on page 30

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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 Troubleshooting Power LED OFFTwisted Pair Port LINK/ACT 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 Power Specifications Technical SpecificationsPhysical Specifications Environmental SpecificationsSafety and Electromagnetic Emissions Certifications PoE SpecificationsPin Signal Connectors and Port PinoutsPin Pair Signal