Allied Telesis AT-GS900/8 User Manual

Gigabit eco-friendly
Ethernet Switch

AT-GS900/8

Installation Guide

613-001352 Rev. A

Copyright © 2010 Allied Telesis, Inc.

All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company

names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners

Electrical Safety and Emissions Standards

This product meets the following standards.

U.S. Federal Communications Commission

Declaration of Conformity

Manufacturer Name: Allied Telesis, Inc.

Declares that the product: Gigabit Ethernet Switch

Model Numbers: AT-GS900/8

This product complies with FCC Part 15B, Class B Limits:

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device
must not cause harmful interference, and (2) this device must accept any interference received, including interference
that may cause undesired operation.

Radiated Energy

Note: This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15
of FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in
accordance with instructions, may cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on. The user is encouraged to try to correct the interference by one or more of the
following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and the receiver.

- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

- Consult the dealer or an experienced radio/TV technician for help.

Changes and modifications not expressly approved by the manufacturer or registrant of this equipment can void your
authority to operate this equipment under Federal Communications Commission rules.

Industry Canada

This Class B digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.

European Union Restriction of the Use of Certain Hazardous Substances

(RoHS) in Electrical and Electronic Equipment

This Allied Telesis RoHS-compliant product conforms to the European Union Restriction of the Use of Certain Hazardous
Substances (RoHS) in Electrical and Electronic Equipment. Allied Telesis ensures RoHS conformance by requiring
supplier Declarations of Conformity, monitoring incoming materials, and maintaining manufacturing process controls.

RFI Emissions FCC Part 15 Class B

CISPR 22 Class B
EN55022 Class B: 2006+A1:2007

Immunity EN55024

Electrical Safety UL – USA (UL60950-1)

LVD (EN60950-1, 2nd edition)
CSA or cUL – Canada
C-Tick – Australia
CE Mark

3

Translated Safety Statements

Important: The  symbol indicates that a translation of the safety statement is available in a PDF
document titled “Translated Safety Statements”. This is posted on the Allied Telesis website at
http://www.alliedtelesis.com/support/software/. Refer to “Where to Find Web-based Product
Documentation” on page 13 to navigate to this document.

4

Contents

Preface ............................................................................................................................................................ 11

Safety Symbols Used in this Document ..................................................................................................... 12

Where to Find Web-based Product Documentation...................................................................................13

Contacting Allied Telesis............................................................................................................................ 14

Online Support..................................................................................................................................... 14

Email and Telephone Support ............................................................................................................. 14

Returning Products.............................................................................................................................. 14

Sales or Corporate Information ........................................................................................................... 14

Warranty .............................................................................................................................................. 14

Management Software Updates .......................................................................................................... 14

Chapter 1: Product Description ................................................................................................................... 16

Features..................................................................................................................................................... 17

Components............................................................................................................................................... 18

Hardware Feature Description ................................................................................................................... 19

Twisted Pair Ports ............................................................................................................................... 19

eco-friendly Switch .............................................................................................................................. 21

LEDs.................................................................................................................................................... 21

AC Power Connector........................................................................................................................... 22

Ethernet Switching Basics.......................................................................................................................... 23

MAC Address Table ............................................................................................................................ 23

Duplex Mode ....................................................................................................................................... 23

Store and Forward............................................................................................................................... 24

Backpressure and Flow Control .......................................................................................................... 24

Chapter 2: Installation................................................................................................................................... 26

Reviewing Safety Precautions ................................................................................................................... 27

Selecting a Site for the Switch ................................................................................................................... 29

Planning the Installation ............................................................................................................................. 30

Unpacking the Switch................................................................................................................................. 31

Installing the Switch on a Table or Desktop ............................................................................................... 32

Installing the Switch on a Wall ................................................................................................................... 34

Installing the Switch in a Rack ................................................................................................................... 37

Chapter 3: Troubleshooting ......................................................................................................................... 41

Appendix A: Technical Specifications ........................................................................................................ 42

Physical Specifications............................................................................................................................... 42

Environmental Specifications ..................................................................................................................... 42

Power Specifications.................................................................................................................................. 42

Safety and Electromagnetic Emissions Certifications ................................................................................ 43

Compliance Standards............................................................................................................................... 43

RJ-45 Twisted Pair Port Connectors.......................................................................................................... 44

5

Contents

6

Figures

Figure 1. Front Panel...........................................................................................................................................................18

Figure 2. Back Panel ...........................................................................................................................................................18

Figure 3. eco-friendly Switch ...............................................................................................................................................21

Figure 4. Port LEDs .............................................................................................................................................................21

Figure 5. Attaching the Rubber Feet ...................................................................................................................................32

Figure 6. Connecting the AC Power Connector to Switch ...................................................................................................33

Figure 7. Attaching the brackets to the sides of the switch..................................................................................................34

Figure 8. Attaching the switch to the wall ............................................................................................................................35

Figure 9. Removing the Feet ...............................................................................................................................................37

Figure 10. Attaching Rack Mounting Brackets.....................................................................................................................37

Figure 11. Rack Mounting the Switch..................................................................................................................................38

Figure 12. RJ-45 Connector and Port Pin Layout................................................................................................................44

7

Figures

8

Tables

Table 1. Safety Symbols .....................................................................................................................................................12

Table 2. eco-friendly Switch Functions ...............................................................................................................................21

Table 3. System and Port LEDs .........................................................................................................................................22

Table 4. Twisted Pair Cabling and Distances .....................................................................................................................30

Table 5. MDI Pin Signals (10Base-T or 100Base-TX) ........................................................................................................44

Table 6. MDI-X Pin Signals (10Base-T or 100Base-TX) ....................................................................................................44

Table 7. RJ-45 1000Base-T Connector Pinouts .................................................................................................................45

9

List of Tables

10

Preface

This guide contains instructions on how to install the AT-GS900/8 Gigabit
eco-friendly Ethernet Switch. This preface contains the following sections:

 “Safety Symbols Used in this Document” on page 12

 “Where to Find Web-based Product Documentation” on page 13

 “Contacting Allied Telesis” on page 14

11

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

AT-GS900/8 Gigabit eco-friendly Ethernet Switch Installation Guide

Where to Find Web-based Product Documentation

The product documentation for all Allied Telesis products are available in
portable document format (PDF) on our web site. Go to
http://www.alliedtelesis.com/support/software/.

Enter your hardware product model in the Search by Product Name
field; for example, enter AT-GS900/8. You can view the documents online
or download them onto your local workstation or server.

13

Preface

Contacting Allied Telesis

This section provides Allied Telesis contact information for technical
support as well as sales and corporate information.

Online Support You can request technical support online by accessing the Allied Telesis

Knowledge Base: www.alliedtelesis.com/support/kb.aspx. You can use
the Knowledge Base to submit questions to our technical support staff and
review answers to previously asked questions.

Email and
Telephone

Support

Returning

Products

Sales or

Corporate

For Technical Support via email or telephone, refer to the Support &
Services section of the Allied Telesis web site: www.alliedtelesis.com.
Select your country from the list displayed on the website. then select the
appropriate menu tab.

Products for return or repair must first be assigned a return materials
authorization (RMA) number. A product sent to Allied Telesis without an
RMA number will be returned to the sender at the sender’s expense.

To obtain an RMA number, contact the Allied Telesis Technical Support
group at our web site: www.alliedtelesis.com/support/rma. Select your
country from the list displayed on the website. Then select the appropriate
menu tab.

You can contact Allied Telesis for sales or corporate information through
our web site: www.alliedtelesis.com. To find the contact information for
your country, select Contact Us -> Worldwide Contacts.

Information

Warranty Go to www.alliedtelesis.com/support/warranty for specific terms and

conditions of the warranty and for warranty registration for the
AT-GS900/8 switch.

Management

Software Updates

14

New releases of management software for our managed products are
available on our Allied Telesis web site at
www.alliedtelesis.com/support/software.

Go to “Where to Find Web-based Product Documentation” on page 13 for
instructions on navigating to this information.