
Copyright © 2009 Allied Telesis, Inc.
All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.
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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.

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: Fast Ethernet Switch
Model Number: AT-FS705L
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 meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada.
EMI FCC Class B, CISPR 22 Class B, EN55022 Class B, C-TICK, CE
Immunity EN55024
Electrical Safety UL 60950 (
), EN60950 (TUV)
CULUS
3

Translated Safety Statements
Important: The indicates that a translation of the safety statement is available in a PDF
document titled “Translated Safety Statements” on our web site.
Go to http://www.alliedtelesis.com/support/software/. Select Switches under Product Category
and this product under Product Name. You can view this document online or download it onto a local
workstation or server.
4

Contents
Preface ..................................................................................................................................................................................8
Safety Symbols Used in this Document..................................................................................................................................9
Where to Find Web-based Guides .......................................................................................................................................10
Contacting Allied Telesis ......................................................................................................................................................11
Online Support ..............................................................................................................................................................11
Email and Telephone Support .......................................................................................................................................11
Warranty........................................................................................................................................................................11
Returning Products........................................................................................................................................................11
Sales or Corporate Information .....................................................................................................................................11
Management Software Updates ....................................................................................................................................11
Chapter 1: Product Description ........................................................................................................................................12
Overview...............................................................................................................................................................................13
Key Features .................................................................................................................................................................14
Hardware Feature Description..............................................................................................................................................15
10/100Base-TX Twisted Pair Ports ...............................................................................................................................15
System and Port LEDs ..................................................................................................................................................16
ECOFriendly Push Button .............................................................................................................................................16
AC Power Connector.....................................................................................................................................................17
A Few Ethernet Switching Basics.........................................................................................................................................18
MAC Address Table ......................................................................................................................................................18
Duplex Mode .................................................................................................................................................................19
Store and Forward.........................................................................................................................................................19
Backpressure and Flow Control ....................................................................................................................................19
Chapter 2: Installation .......................................................................................................................................................21
Reviewing Safety Precautions..............................................................................................................................................22
Selecting a Site for the Switch..............................................................................................................................................24
Planning the Installation .......................................................................................................................................................25
Unpacking the Switch ...........................................................................................................................................................26
Installing the Switch on a Table or Desktop....................................................................................
Wall-Mounting the Switch .....................................................................................................................................................28
Cabling the Switch................................................................................................................................................................30
Powering On the Switch .......................................................................................................................................................31
Chapter 3: Troubleshooting ..............................................................................................................................................32
Appendix A: Technical Specifications .............................................................................................................................33
Physical Specifications .........................................................................................................................................................33
Environmental Specifications................................................................................................................................................33
Power Specifications ............................................................................................................................................................33
Safety and Electromagnetic Emissions Certifications...........................................................................................................34
RJ-45 Twisted Pair Port Connectors ....................................................................................................................................35
......................................27
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List of Figures
Figure 1. AT-FS705L Front Panel........................................................................................................................................13
Figure 2. AT-FS705L Back Panel........................................................................................................................................13
Figure 3. Attaching the Rubber Feet ...................................................................................................................................27
Figure 4. Wall Mounting Hole Dimensions...........................................................................................................................28
Figure 5. Wall Mounting an AT-FS705L Switch...................................................................................................................29
Figure 6. Connecting the AT-FS705L Twisted Pair Data Cables ........................................................................................30
Figure 7. Connecting the AT-FS705L AC Power Cord to Switch ........................................................................................31
Figure 8. RJ-45 Connector and Port Pin Layout..................................................................................................................35
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Preface
This guide contains instructions on how to install the AT-FS705L Fast
Ethernet switch. This preface contains the following sections:
“Safety Symbols Used in this Document” on page 9
“Where to Find Web-based Guides” on page 10
“Contacting Allied Telesis” on page 11
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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.
AT-FS705L Fast Ethernet Switch Installation Guide
9

Preface
Where to Find Web-based Guides
The installation and user guides for all Allied Telesis products are
available in portable document form (PDF) on our web site. Go to
http://www.alliedtelesis.com/support/software/. Select Switches under
Product Category and the this product under Product Name. You can view
the documents online or download them onto a local workstation or server.
10

AT-FS705L Fast Ethernet Switch Installation Guide
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
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.
Warranty For hardware warranty information, refer to the Allied Telesis web site:
www.alliedtelesis.com/support/warranty.
Returning
Products
Sales or
Corporate
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
Management
Software Updates
New releases of management software for our managed products are
available from either of the following Internet sites:
r Allied Telesis web site: www.alliedtelesis.com
r 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.
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