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Layer 2 Gigabit
Ethernet Switch
AT-GS900/8POE
Installation Guide
613-000414 Rev. D
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Copyright © 2008 Allied Telesis, Inc. All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc. Allied Telesis is a trademark of Allied Telesis, Inc. Microsoft and Internet Explorer are registered trademarks of Microsoft Corporation. Netscape Navigator is a registered trademark of Netscape Communications Corporation. All other product names, company names, logos or other designations mentioned herein are trademarks or registe
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Electrical Safety and Emissions Standards This product meets the following standards. U.S. Federal Communications Commission Radiated Energy Note: This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy a
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Translated Safety Statements Important: The indicates that a translation of the safety statement is available in a PDF document titled “Translated Safety Statements” posted on the Allied Telesis website at www.alliedtelesis.com and on the documentation CD shipped with this product. 4
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Contents Preface ................................................................................................................................................................................11 Safety Symbols Used in this Document................................................................................................................................12 Where to Find Web-based Guides ..........................................................................................................
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Contents Power Specifications.............................................................................................................................................................49 Safety and Electromagnetic Emissions Certifications...........................................................................................................50 RJ-45 Twisted Pair Port Connectors....................................................................................................................
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Figures Figure 1. AT-GS900/8POE Gigabit Ethernet Switch Front and Back Panels......................................................................16 Figure 2. SFP Transceiver...................................................................................................................................................18 Figure 3. Power Workgroup Topology.................................................................................................................................27 Figure
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Figures 8
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Tables Table 1. Safety Symbols .....................................................................................................................................................12 Table 2. System LED ..........................................................................................................................................................19 Table 3. Twisted Pair Port LEDs .........................................................................................................
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Tables 10
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Preface This guide provides the hardware installation instructions for your AT-GS900/8POE Fast Ethernet switch. This preface contains the following sections: “Safety Symbols Used in this Document” on page 12 “Where to Find Web-based Guides” on page 13 “Contacting Allied Telesis” on page 14 11
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Preface Safety Symbols Used in this Document This document uses the safety symbols defined in Table 1. Table 1. Safety Symbols Symbol Meaning Description Caution Performing or omitting a specific action may result in equipment damage or loss of data. Warning Performing or omitting a specific action may result in electrical shock. 12
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AT-GS900/8POE Fast Ethernet Switch Installation Guide Where to Find Web-based Guides The installation and user guides for all Allied Telesis products are available in portable document format (PDF) on our web site at www.alliedtelesis.com. You can view the documents online or download them onto a local workstation or server. 13
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Preface Contacting Allied Telesis This section provides Allied Telesis contact information for technical support as well as sales or corporate information. Online Support You can request technical support online by accessing the Allied Telesis Knowledge Base from the following web site: www.alliedtelesis.com/support. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions. Email and For Technical Support via email
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Chapter 1 Overview This chapter contains the follows sections: “Features” on page 16 “Port Descriptions” on page 17 “LEDs” on page 19 “Power Supply” on page 21 “Power over Ethernet” on page 22 “Ethernet Switching Basics” on page 24 “Network Topologies” on page 27 15
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Chapter 1: Overview Features The AT-GS900/8POE Gigabit Ethernet switch is an unmanaged switch with the following features: Eight Auto-Negotiating 10/100/1000Base-T twisted pair ports with Power over Ethernet (PoE) capability One small form-factor pluggable (SFP) port to use as an uplink port System and port LEDs Power over Ethernet, IEEE 802.3af The AT-GS900/8POE Gigabit Ethernet switch can be used on a desktop, mounted to a wall, or mounted in a rack. The switch is easy to install and d
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AT-GS900/8POE Gigabit Ethernet Switch Installation Guide Port Descriptions The following sections describe the types of ports on the AT-GS900/8POE Gigabit Ethernet switch: “Twisted Pair Ports,” next “SFP Combo Port” on page 18 Twisted Pair The AT-GS900/8POE Gigabit Ethernet switch features eight 10/100/ 1000Base-T twisted pair ports. Ports The twisted pair ports feature 8-pin RJ-45 connectors. For the port pinouts, refer to “RJ-45 Twisted Pair Port Connectors” on page 51. The ports are 10Ba
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Chapter 1: Overview PoE ports. SFP Combo Port The AT-GS900/8POE Gigabit Ethernet switch has one SFP port that can accommodate an optional Small Form-factor Pluggable (SFP) transceiver. The AT-GS900/8POE Gigabit Ethernet switch has one SFP combo port (Port 8) that can accommodate one optional Small Form-factor Pluggable (SFP) transceiver module. The copper redundant port (Port 8R) becomes the redundant/standby port when the link on Port 8 is lost. An SFP module is a fast and easy way for you
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AT-GS900/8POE Gigabit Ethernet Switch Installation Guide LEDs The system and port LEDs on the front panel of the AT-GS900/8POE Gigabit Ethernet switch switch display the switch and its port status information. Table 2 describes the system LED. Table 2. System LED LED State Description PWR Green The switch is powered ON and operating normally. OFF The switch has no power. Each twisted pair port has two LEDs, as described in Table 3. Table 3. Twisted Pair Port LEDs LED State Description L/A
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Chapter 1: Overview Table 4 describes the SFP port LED. Table 4. SFP Port LED LED State Description L/A Green A valid link is established on the SFP module in the SFP expansion slot. Blinking Frames are being transmitted/received on the Green SFP module in the SFP expansion slot. OFF No link is established on the SFP module in the SFP expansion slot. 20
