Allied Telesis AT 8000-8POE User Manual

Layer 2 Fast
Ethernet Switch

AT-8000/8POE

Installation Guide

613-000238 Rev. C

Copyright © 2008 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from 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 registered trademarks of their respective owners.

Allied Telesis, Inc. reserves the right to make changes in specifications and other information contained in this document without
prior written notice. The information provided herein is subject to change without notice. In no event shall Allied Telesis, Inc. be
liable for any incidental, special, indirect, or consequential damages whatsoever, including but not limited to lost profits, arising
out of or related to this manual or the information contained herein, even if Allied Telesis, Inc. has been advised of, known, or
should have known, the possibility of such damages.

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 and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case
the user will be required to correct the interference at his own expense.

Note: Modifications or changes not expressly approved of by the manufacturer or the FCC, can void your right to operate
this equipment.

Industry Canada

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

Cet appareil numérique de la classe A 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 Class A, EN55022 Class A, EN61000-3-2, EN61000-3-3, C-TICK,

CE

Warning: In a domestic environment this product may cause radio interference in
which case the user may be required to take adequate measures.

Immunity EN55024

Electrical Safety EN60950 (TUV), UL 60950 (

CULUS

)

Laser Safety EN60825

3

Translated Safety Statements

Important: The  indicates that a translation of the safety statement is available in a PDF
document titled “Translated Safety Statements” (613-000405) posted on the Allied Telesis website at
www.alliedtelesis.com.

4

Contents

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

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

Where to Find Web-based Guides .......................................................................................................................................13

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

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

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

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

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

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

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

Chapter 1: Overview ..........................................................................................................................................................15

Features ...............................................................................................................................................................................16

Front and Back Panels .........................................................................................................................................................17

Ports .....................................................................................................................................................................................18

Twisted Pair Ports .........................................................................................................................................................18

10/100/1000 RJ-45 Uplink Port .....................................................................................................................................19

SFP Port........................................................................................................................................................................19

RS-232 Console Port ....................................................................................................................................................19

LEDs.....................................................................................................................................................................................20

Power Supply .......................................................................................................................................................................22

Power over Ethernet.............................................................................................................................................................23

Power Budgeting ...........................................................................................................................................................24

Implementation..............................................................................................................................................................24

Ethernet Switching Basics ....................................................................................................................................................26

MAC Address Table ......................................................................................................................................................26

Duplex Mode .................................................................................................................................................................27

Store and Forward.........................................................................................................................................................27

Back Pressure and Flow Control...................................................................................................................................28

Network Topologies..............................................................................................................................................................29

Power Workgroup Topology .......................................................................................................

Collapsed Backbone .....................................................................................................................................................30

...................................29

Chapter 2: Installation .......................................................................................................................................................31

Reviewing Safety Precautions..............................................................................................................................................32

Selecting a Site for the Switch..............................................................................................................................................34

Cabling .................................................................................................................................................................................35

Unpacking the Switch ...........................................................................................................................................................36

Installing the Switch on a Desktop ........................................................................................................................................37

Installing the Switch in a Rack ..............................................................................................................................................38

Installing an Optional SFP Transceiver ................................................................................................................................41

Cabling and Powering On the Switch ...................................................................................................................................43

Connecting the Twisted Pair Cables .............................................................................................................................43

Connecting the Fiber Optic Cables ...............................................................................................................................44

Powering On the Switch ................................................................................................................................................44

Starting a Management Session ..........................................................................................................................................46

Establishing a Local Connection to use the Menus Interface........................................................................................46

Establishing a Remote Connection to Use the Web Browser Interface ........................................................................48

Warranty Registration...........................................................................................................................................................50

Chapter 3: Troubleshooting ..............................................................................................................................................51

5

Contents

Appendix A: Technical Specifications .............................................................................................................................53

Physical Specifications .........................................................................................................................................................53

Environmental Specifications................................................................................................................................................53

Power Specifications.............................................................................................................................................................53

Safety and Electromagnetic Emissions Certifications...........................................................................................................54

Connectors and Port Pinouts ................................................................................................................................................55

6

Figures

Figure 1. AT-8000/8POE Front Panel..................................................................................................................................17

Figure 2. AT-8000/8POE Back Panel ..................................................................................................................................17

Figure 3. Port LEDs .............................................................................................................................................................20

Figure 4. Power Workgroup Topology.................................................................................................................................29

Figure 5. Collapsed Backbone Topology.............................................................................................................................30

Figure 6. Attaching the Rubber Feet ...................................................................................................................................37

Figure 7. Attaching the Rack-Mount Bracket .......................................................................................................................38

Figure 8. Mounting the Switch on the Rack.........................................................................................................................39

Figure 9. Removing the Dust Plug from the SFP Slot .........................................................................................................41

Figure 10. Inserting the SFP................................................................................................................................................42

Figure 11. Connecting the Twisted Pair Data Cables..........................................................................................................43

Figure 12. Removing the Dust Cover from the SFP. ...........................................................................................................44

Figure 13. Connecting the Fiber Optic Cable ......................................................................................................................44

Figure 14. Plugging in the AC Power Cord..........................................................................................................................45

Figure 15. Connecting the Console Cable...........................................................................................................................46

Figure 16. Login Menu.........................................................................................................................................................47

Figure 17. Main Menu..........................................................................................................................................................47

Figure 18. Entering a Switch’s IP Address in the URL Field................................................................................................48

Figure 19. AT-S81 Login Dialog Box ...................................................................................................................................48

Figure 20. Home Page for the AT-8000/8POE Fast Ethernet Switch..................................................................................49

Figure 21. RJ-45 Connector and Port Pin Layout................................................................................................................55

7

Figures

8

Tables

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

Table 2. 10/100Base-T PoE Port LEDs ..............................................................................................................................20

Table 3. Power LED ...........................................................................................................................................................21

Table 4. Uplink Port LEDs ..................................................................................................................................................21

Table 5. IEEE 802.3af Class vs. Power Levels ..................................................................................................................24

Table 6. Twisted Pair Cabling and Distances .....................................................................................................................35

Table 7. MDI Pin Signals (10Base-T or 100Base-TX) ........................................................................................................55

Table 8. MDI-X Pin Signals (10Base-T or 100Base-TX) ....................................................................................................55

Table 9. RJ-45 1000Base-T Connector Pinouts .................................................................................................................56

9

Tables

10

Preface

This guide contains instructions on how to install the AT-8000/8POE 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

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

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.

AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Guide

13

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
Telephone

Support

Returning

Products

For Sales or

Corporate

For Technical Support via email or telephone, refer to 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 a
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 at our
web site: www.alliedtelesis.com. Select your country from the list
displayed on the website. Then select the appropriate menu tab.

Information

Warranty The AT-8000/8POE has a Lifetime Warranty (two years fan and PSU). Go

to www.alliedtelesis.com/warranty for the specific terms and conditions
of the warranty and for warranty registration.

Management

Software Updates

14

New releases of management software for our managed products are
available from either of the following Internet sites:

 Allied Telesis web site: www.alliedtelesis.com

 Allied Telesis FTP server: ftp://ftp.alliedtelesis.com

If you prefer to download new software from the Allied Telesis FTP server
from your workstation’s command prompt, you will need FTP client
software and you must log in to the server. Enter “anonymous” for the user
name and your email address for the password.

Chapter 1

Overview

The AT-8000/8POE Fast Ethernet Switch is designed to simplify the task
of creating or expanding an Ethernet, Fast Ethernet, or Gigabit Ethernet
network with the power of Power over Ethernet (PoE).

This chapter contains the follows sections:

 “Features” on page 16

 “Front and Back Panels” on page 17

 “Ports” on page 18

 “LEDs” on page 20

 “Power Supply” on page 22

 “Power over Ethernet” on page 23

 “Ethernet Switching Basics” on page 26

 “Network Topologies” on page 29

15

Chapter 1: Overview

Features

The features of the AT-8000/8POE Fast Ethernet Switch include:

 Port status LEDs

 Eight Auto-Negotiating 10/100Base-T twisted pair ports with Power

over Ethernet (PoE) capability and one 10/100/1000Base-T port with
RJ-45 connectors

 One combo small form-factor pluggable (SFP) port

 Auto MDI/MDI-X on the twisted pair ports

 IEEE 802.3 and IEEE 802.3u compliant

 IEEE 802.3x flow control in full-duplex operation; back pressure in

half-duplex operation

 Store and forward switching mode

 MAC address table capacity of up to 8K addresses with automatic

aging

 Menus-, web-based, and limited CLI configuration using the AT-S81

management software

 Power over Ethernet, IEEE 802.3af

16

Front and Back Panels

10/100Base Twisted Pair Ports

Port LEDs

Uplink Ports

Console Port

AC Power Connector

Figure 1 illustrates the front panel of the AT-8000/8POE Fast Ethernet
Switch.

AT-8000/8POE Layer 2 Fast Ethernet Switch Installation Guide

AT-8000/8POE

8 Port POE Fast Ethernet Switch

PoE

1357

4

2

68

UPLINK PORT

10/100/1000 Base-T

SFP

RS-232

99R

TERMINAL PORT

820

POWER

1357

2468

MAIN PORT ACTIVITY

DET ON ON

PD ON MAX CURRENTPD ERR

100 LINK ACT 10 LINK ACT

9

UPLINK PORT ACTIVITY

9R

1000 LINK

10/100 LINK

ACT

ACT

LASER PRODUCT

CLASS 1

Figure 1. AT-8000/8POE Front Panel

Figure 2 illustrates the back panel of the AT-8000/8POE Fast Ethernet
Switch.

2.25A 50-60Hz

100-240 VAC

821

Figure 2. AT-8000/8POE Back Panel

17