Allied Telesis AT-FS708LE/PoE User manual

613-002087 Rev. A
AT-FS708LE/PoE
Fast Ethernet Unmanaged Switch
Installation Guide

Copyright 2016 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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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.

AT-DC2552XS⁄L3 Enterprise Core Switch Installation Guide
3
Electrical Safety and Emissions
Standards
This section contains the following:
“US Federal Communications Commission”
“Industry Canada”
“Emissions, Immunity and Electrical Safety Standards” on page 4
“Translated Safety Statements” on page 4
US 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
Radiated Energy
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.

44
Emissions, Immunity and Electrical Safety Standards
RFI Emissions FCC Part 15 Class A, CISPR 22 Class A, EN55022:2006/A1:2007 Class A
Warning
In a domestic environment this product may cause radio interference in which case the user
may be required to take adequate measures. E84
EMC (Immunity) EN55024
Electrical Safety EN60950-1 (TUV), UL 60950-1 (CULUS), RCM, CE Mark
Translated Safety Statements
Important: The indicates that translations of the safety statement are available in the PDF
document “Translated Safety Statements” posted on the Allied Telesis website at alliedtelesis.com/
support.

5
Preface ..................................................................................................................................................................................6
Safety Symbols Used in this Document ..........................................................................................................................7
Contacting Allied Telesis.................................................................................................................................................8
Chapter 1: Product Description ..........................................................................................................................................9
Overview .......................................................................................................................................................................10
10/100Base-TX Twisted Pair Ports........................................................................................................................10
PoE Capability........................................................................................................................................................11
LEDs ......................................................................................................................................................................11
DC Power Connector .............................................................................................................................................12
Key Features.................................................................................................................................................................13
Power over Ethernet......................................................................................................................................................14
Powered Device (PD).............................................................................................................................................14
Power Budgeting....................................................................................................................................................14
Ethernet Switching Basics.............................................................................................................................................15
Duplex Mode..........................................................................................................................................................15
Store and Forward .................................................................................................................................................15
Backpressure and Flow Control.............................................................................................................................15
Chapter 2: Installation .......................................................................................................................................................17
Reviewing Safety Precautions.......................................................................................................................................18
Selecting a Site for the Switch.......................................................................................................................................20
Planning the Installation ................................................................................................................................................21
Unpacking the Switch....................................................................................................................................................22
Installing the Switch on a Table or Desktop ..................................................................................................................23
Cabling the Switch.........................................................................................................................................................24
Powering On the Switch................................................................................................................................................25
Chapter 3: Troubleshooting ..............................................................................................................................................27
Appendix A: Technical Specifications .............................................................................................................................28
Physical Specifications..................................................................................................................................................28
Environmental Specifications ........................................................................................................................................28
Power Specifications.....................................................................................................................................................28
Safety and Electromagnetic Emissions Certifications ...................................................................................................29
RJ-45 Twisted Pair Port Connectors.............................................................................................................................30
Contents

6
Preface
This manual is the installation and user’s guide for the AT-FS708LE/PoE
switch. This Preface contains the following sections:
“Safety Symbols Used in this Document” on page 7
“Contacting Allied Telesis” on page 8

AT-FS708LE/POE Fast Ethernet Switch Installation and User’s Guide
7
Safety Symbols Used in this Document
This document uses the following conventions:
Note
Notes provide additional information.
Caution
Cautions inform you that performing or omitting a specific action may
result in equipment damage or loss of data.
Warning
Warnings inform you that performing or omitting a specific action
may result in bodily injury.

88
Contacting Allied Telesis
If you need assistance with this product, you may contact Allied Telesis
technical support by going to the Support & Services section of the Allied
Telesis web site at alliedtelesis.com/support. You can find links for the
following services on this page:
24/7 Online Support - Enter our interactive support
center to search for answers to your questions in our
knowledge database, check support tickets, learn
about Return Merchandise Authorization (RMA), and
contact Allied Telesis technical experts.
USA and EMEA phone support - Select the phone
number that best fits your location and customer type.
Hardware warranty information - Learn about Allied
Telesis warranties and register your product online.
Replacement Services - Submit an RMA request via
our interactive support center.
Documentation - View the most recent installation
guides, user guides, software release notes, white
papers and data sheets for your product.
Software Updates - Download the latest software
releases for your product.
For sales or corporate contact information, go to alliedtelesis.com/
purchase and select your region.

9
Chapter 1
Product Description
This chapter contains the follows sections:
“Overview” on page 10
“Key Features” on page 13
“Power over Ethernet” on page 14
“Ethernet Switching Basics” on page 15

1010
Overview
The AT-FS708LE/PoE switch is an unmanaged eight-port Fast Ethernet
switch including four ports with Power over Ethernet (PoE) capability.
This switch provides a simple solution for Ethernet switching between
devices operating at either 10 Mbps or 100 Mbps. With PoE available, you
can connect up to four Powered Devices (PDs), such as, IP telephones,
surveillance cameras, and wireless access points to the switch.
Figure 1 illustrates the front panel of the switch.
x
Figure 1. AT-FS708LE/PoE Front Panel
The AT-FS708LE/PoE switch is designed to be used on a desktop. The
switch does not require software configuration or management.
10/100Base-TX
Twisted Pair
Ports
The AT-FS708LE/PoE switch features eight twisted pair ports.
Figure 2 illustrates the back panel of the switch.
Figure 2. AT-FS708LE/PoE Back Panel
Connector
All twisted pair ports feature 8-pin RJ-45 connectors. For the port pinouts,
see “RJ-45 Twisted Pair Port Connectors” on page 30.
Speed
The ports are 10Base-T, and 100Base-T compliant and are capable of 10
Mbps and 100 Mbps speeds. The ports are IEEE 802.3u Auto-Negotiation