Allied Telesis AT-GS900/8PS manual Features, LEDs PoE Ports SFP Slots

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Chapter 1: Overview

Features

General

Twisted Pair Ports

LEDs

PoE Ports

SFP Slots

Here are the hardware features of the AT-GS900/8PS Gigabit Ethernet Switch.

Supports 18 Gbps non-blocking switch fabric

Transparent to VLAN packets

Support for jumbo frames up to 9216 bytes at 100% forwarding rate

8 ports

10Base-TX, 100Base-T and 1000Base-T compliant

IEEE 802.3u Auto-Negotiation compliant

Auto-MDI/MDIX

RJ-45 connectors

100 meters (328 feet) maximum operating distance

IEEE 802.3x flow control in 10/100Base-TX full-duplex operation

IEEE 802.3x back pressure in 10/100Base-TX half-duplex operation

IEEE803.3z 1000Base-T flow control

Speed and link/activity LEDs for the twisted pair ports

Link/activity LEDs for the SFP slots

PoE and PoE Limit LEDs

Power LED

PoE support for ports 1 - 4

Class 3 (IEEE 802 af) supported on four ports

Class 4 (IEEE 802 at) supported on two ports

One SFP slot

Support 1000Base-SX/LX transceivers

Note

SFP transceivers must be purchased separately. For a list of supported transceivers, contact your Allied Telesis distributor or reseller.

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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 Power LED OFF TroubleshootingTwisted 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