Extreme Networks RBT1002 Users Manual

RoamAbout

RBT-1002

2.4 GHz / 5 GHz

Wireless Access Point

Installation Guide

P/N 9034169-01

ELECTRICAL HAZARD: Only qualified personnel should
perform installation procedures.

Notice

ENTERASYS NETWORKS reserves the right to make changes in specifications and other
information contained in this document and its web site without prior notice. The reader should
in all cases consult ENTERASYS NETWORKS to determine whether any such changes have
been made.

The hardware, firmware, or software described in this document is subject to change without
notice.

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INDIRECT, SPECIAL, OR CONSEQUENTIAL DAMAGES WHATSOEVER (INCLUDING
BUT NOT LIMITED TO LOST PROFITS) ARISING OUT OF OR RELATED TO THIS
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ENTERASYS NETWORKS HAS BEEN ADVISED OF, KNEW OF, OR SHOULD HAVE
KNOWN OF, THE POSSIBILITY OF SUCH DAMAGES.

Enterasys Networks, Inc.
50 Minuteman Road
Andover, MA 01810

© 2005 Enterasys Networks, Inc. All rights reserved.
Printed in Taiwan

Release Date: September 2005

ENTERASYS NETWORKS, ENTERASYS ROAMABOUT, LANVIEW, ROAMABOUT,
NETSIGHT, WEBVIEW, and any logos associated therewith, are trademarks or registered
trademarks of Enterasys Networks, Inc. in the United States and other countries.

All other product names mentioned in this manual may be trademarks or registered trademarks
of their respective companies.

Documentation URL: http://www.enterasys.com/support/manuals

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Notice

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COMPLIANCES

Federal Communication Commission Interference
Statement

This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of the 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 the instructions, may
cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this
equipment does 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 of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment and 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

FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this
equipment. This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including
interference that may cause undesired operation.

IMPORTANT NOTE:
FCC Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with a
minimum distance of 20 centimeters (8 inches) between the radiator and your
body. This transmitter must not be co-located or operating in conjunction with any
other antenna or transmitter.

Wireless 5 GHz Band Statements:

As the Access Point can operate in the 5150-5250 MHz frequency band it is
limited by the FCC, Industry Canada and some other countries to indoor use only
so as to reduce the potential for harmful interference to co-channel Mobile
Satellite systems.

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COMPLIANCES

High power radars are allocated as primary users (meaning they have priority) of
the 5250-5350 MHz and 5725-5850 MHz bands. These radars could cause
interference and /or damage to the access point when used in Canada.

The term “IC:” before the radio certification number only signifies that Industry
Canada technical specifications were met.

Operating Frequencies

The user must use the configuration utility provided with this product to ensure the
channels of operation are in conformance with the spectrum usage rules for
country in which it is being operated.

Industry Canada - Class B

This digital apparatus does not exceed the Class B limits for radio noise emissions
from digital apparatus as set out in the interference-causing equipment standard
entitled “Digital Apparatus,” ICES-003 of Industry Canada.

Cet appareil numérique respecte les limites de bruits radioélectriques applicables
aux appareils numériques de Classe B prescrites dans la norme sur le matérial
brouilleur: “Appareils Numériques,” NMB-003 édictée par l’Industrie.

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ABLE OF

1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Package Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

System Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

2 Hardware Installation . . . . . . . . . . . . . . . . . . . . . 2-1

3 Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

A Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . A-1

B Cables and Pinouts . . . . . . . . . . . . . . . . . . . . . . . B-1

Twisted-Pair Cable Assignments . . . . . . . . . . . . . . . . . . . . . . B-1

10/100BASE-TX Pin Assignments . . . . . . . . . . . . . . . . . . B-2

Straight-Through Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . B-3

Crossover Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3

C Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

Sensitivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-4

Transmit Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5

C

ONTENTS

Index

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ABLE OF CONTENTS

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Chapter 1

Introduction

The RoamAbout RBT-1002 Wireless Access Point is an IEEE

802.11a/g access point that provides transparent, wireless

high-speed data communications between a wired LAN and fixed,
portable or mobile devices equipped with an 802.11a, 802.11b or

802.11g wireless adapter.

This solution offers fast, reliable wireless connectivity with
considerable cost savings over wired LANs (which include
long-term maintenance overhead for cabling). Using 802.11a and

802.11g technology, this access point can easily replace a

10 Mbps Ethernet connection or seamlessly integrate into a 10/
100 Mbps Ethernet LAN.

Radio Characteristics – The IEEE 802.11a/g standard uses a
radio modulation technique known as Orthogonal Frequency
Division Multiplexing (OFDM), and a shared collision domain
(CSMA/CA). It operates at the 5 GHz Unlicensed National
Information Infrastructure (UNII) band for connections to 802.11a
clients, and at 2.4 GHz for connections to 802.11g clients.

IEEE 802.11g includes backward compatibility with the IEEE

802.11b standard. IEEE 802.11b also operates at 2.4 GHz, but

uses Direct Sequence Spread Spectrum (DSSS) and
Complementary Code Keying (CCK) modulation technology to
achieve a communication rate of up to 11 Mbps.

The access point supports a 54 Mbps half-duplex connection to
Ethernet networks for each active channel.

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Introduction

Package Checklist

The RoamAbout RBT-1002 Wireless Access Point package
includes:

• One RoamAbout 1002 Wireless Access Point

• One AC power adapter and power cord

• Four rubber feet

• Four wall-mounting screws

• Bezel

• This Installation Guide

Optional Wireless Access Point Equipment:

• Wall-mounting bracket

Inform your dealer if there are any incorrect, missing or damaged
parts. If possible, retain the carton, including the original packing
materials. Use them again to repack the product in case there is a
need to return it.

1-2