Legra LR11B Installation Guide

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009-10602-A June 2003

Legra Radio LR11b

Installation Guide

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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 instructions, may cause harmful interference to radio communications. However, there is no guarantee that the 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 or more of the following measures:

• Reorient 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: To assure continued compliance, (example - use only shielded interface cables when connecting to computer or peripheral devices). 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.

This product includes cryptographic software written by Eric Young ([email protected]). THIS SOFTWARE IS PROVIDED BY ERIC YOUNG “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

All other trademarks mentioned in this document are the property of their respective owners.

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Contents

Contents................................................................................... iii

Figures ...................................................................................... v

Tables...................................................................................... vii

Introduction ............................................................................. ix

Intended Audience ................................................................. ix

Objective ................................................................................. ix

About this Guide ..................................................................... x

Documentation Conventions ................................................. x

Related Documents ................................................................ xi

Documentation Feedback .................................................... xii

Technical Assistance ............................................................ xii

Chapter 1 Overview

Key Features ............................................................................. 2

Power over Ethernet (PoE) Compatibility ................................................ 3

Radio Characteristics ............................................................................... 4

MAC Addresses .......................................................................................4

LED Indicators .........................................................................................4

Additional Tools/Items ............................................................... 7

Unpacking the Legra Radio ....................................................... 8

Package Contents ................................................................................... 8

Setup Overview ....................................................................... 10

LR11b Radio Configuration ...................................................................11

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Legra Manager LM6000 NMS User Guide 009-30422-A

Chapter 2 Installation

Safety Information ................................................................... 14

FCC Safety Compliance Statement ....................................................... 14

General Safety Guidelines ..................................................................... 14

Warnings ................................................................................................ 15

Installation Guidelines ............................................................. 16

Chapter 3 Mounting Instructions

Overview ................................................................................. 18

Installing the Mounting Bracket .............................................................. 18

Attaching the Legra Radio to the Mounting Bracket .............................. 19

Removing the Legra Radio from the Mounting Bracket ......................... 20

Imprinting a Legra Radio .......................................................................20

Connecting Power to the Legra Radio ................................................... 21

Power over Ethernet (PoE) ............................................................. 21

Inline Power Injector ........................................................................ 22

Power Brick ..................................................................................... 22

Appendix A Specifications

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Figures

Figure 1-1 Legra Radio LR11b ............................................. 2

Figure 1-2 Legra Radio Aft Connectors ................................ 3

Figure 1-3 Legra Radio LEDs ............................................... 5

Figure 3-1 Legra Radio LR11b Mounting Bracket .............. 18

Figure 3-2 Legra Radio Power Brick (Sold Separately) ...... 22

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Tables

Table 1-1 LED Status Descriptions ...................................... 5

Table 1-2 Legra Radio LR11b Package Contents ............... 8

Table A-1 Performance Specifications ..............................A-1

Table A-2 General Specifications ......................................A-1

Table A-3 Compliances .....................................................A-2

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Intended Audience

The Legra Radio LR11b Installation Guide is intended for network or computer technicians responsible for installing the LR11b. The following assumptions are made:

• The user will read this guide prior to installation.

• The user is familiar with concepts and terminology of wireless local

area networking (WLAN).

Introduction

Objective

The Legra Radio LR11b Installation Guide describes the Legra Radio hardware features, physical and performance characteristics, and explains how to install the Legra Radio.

For information about configuring the LR11b and associated components, see “Related Documents” on page xi.

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About this Guide

The Legra Radio LR11b Installation Guide is organized into the following chapters:

Chapter Description

Chapter 1, Overview Contains an overview of the Legra Radio physical and

Chapter 2, Installation Contains the warnings, installation instructions, and

Chapter 3, Mounting Instructions Contains instructions for installing the LR11b on the

Appendix A, Specifications Lists the physical and environmental specifications of the

functional characteristics, including the LEDs and supported standards.

unpacking information for installing the LR11b.

contained mounting brackets.

LR11b and regulatory approvals.

Documentation Conventions

This document uses the following conventions for Warnings, Cautions, and Notes:

WARNING A Warning means danger. The reader is in a situation that could result

in bodily injury. Follow standard practices for preventing accidents.

CAUTION

A Caution means that the reader should take care to avoid damage to the equipment.

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NOTE A note means that the reader should take note. Notes contain helpful

suggestions or references to related documents.

Overview

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Key Features

The Legra Radio LR11b (Figure 1-1) access point provides wireless high-speed data communications between a switch and end user stations equipped with 802.11b wireless adapters. You can connect a Legra Radio directly to a Legra Switch with a category 5 Ethernet cable, or third-party switch.

Forward

Figure 1-1 Legra Radio LR11b

The Legra Radio can be powered by Power over Ethernet (PoE) provided through the RJ-45 Ethernet connector (Figure 1-2). When

2 Key Features

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connected to a Legra Switch, the Legra Radio downloads software from the Legra Switch.

Figure 1-2 Legra Radio Aft Connectors

You can also connect the Legra Radio to a third-party vendor’s switch and manage the Legra Radio from a Legra Switch through your network. During the Radio’s initial configuration, you must imprint the Legra Switch’s DNS information on the Legra Radio. For more information, see “Imprinting a Legra Radio” on page 20.

If your third party switch does not support PoE, you can use an inline power injector to power the Legra Radio, or connect a Legra power brick to the 5V DC Power Socket.

Power over Ethernet (PoE) Compatibility

The Legra Radio is Power over Ethernet ready in accordance with IEEE 802.3af. The Legra Radio has a RJ-45 10/100 Ethernet connector

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(Figure 1-2). Using a category 5 cable, you can connect the Legra Radio directly to 10/100 Ethernet port on the Legra Switch LS2012, or a third party switch that supports PoE.

If your third party switch does not support PoE, you can use an inline power injector or a Legra power brick (sold separately) to provide power to the Legra Radio.

Radio Characteristics

The Legra Radio uses a radio modulation technique known as Orthogonal Frequency Division Multiplexing (OFDM), and a shared collision domain (CSMA/CA). Data is transmitted over a half-duplex radio channel operating at up to 11 Megabits per second (Mbps), and with a maximum operating range up to 500 meters (1640 feet).

MAC Addresses

LED Indicators

The Legra Radio is preconfigured with two Media Access Control (MAC) addresses: one for the ethernet network connection, and one for the wireless connection with an end user station. You can view the MAC addresses on the labels located on the bottom of the Legra Radio. The ethernet MAC Address also appears in the LM6000 Network Management System (NMS) and Legra Switch LS2012 User interface when you configure your network.

The Legra Radio includes four status LED indicators, as described in Figure 1-3 and Table 1-1.

4 Key Features

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Figure 1-3 Legra Radio LEDs

Table 1-1 LED Status Descriptions

LED Color Status Description

Solid On Indicates that power is being supplied.

Power

LAN

Switch

Green

Flashing

Slow Flashing Imprinting information incomplete

Amber

Fast Flashing Initialization failure

Green Flashing

On Indicates LS2012 connection.

Off No LS2012 connection.

Green

Slow Flashing Searching for LS2012 connection.

Fast Flashing Software upgrade in progress.

Indicates imprinting of LS2012 parameters in progress

Indicates that the Legra Radio is transmitting or receiving data on a 10/ 100 Mbps Ethernet LAN from the switch. Flashing rate is proportional to network activity.

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Table 1-1 LED Status Descriptions (Continued)

LED Color Status Description

On Indicates a valid 802.11b wireless link.

Off No WLAN Activity

WLAN

Green

Flashing

Indicates that the Legra Radio is transmitting or receiving data through wireless links. Flashing rate is proportional to network activity.

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Additional Tools/Items

You will need the following to install and connect your Legra Radio:

• Category 5 Ethernet cable (100 meters maximum) to connect the radio to a Legra or third party switch.

• 3/16-inch drill for installing wall anchors.

• Power Drill for installing wall anchors.

• Phillips head screwdriver

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Unpacking the Legra Radio

This section describes the contents of the Legra Radio LR11b packaging.

To unpack the Legra Radio

1 Open the box and carefully remove the contents. Save the packing

materials.

2 Ensure that all items listed in “Package Contents” on page 8 are

included in the shipment. Check each item for damage. If any item is damaged or missing, notify your Legra Systems representative.

Package Contents

The Legra Radio package includes items shown in Table 1-2.

Table 1-2 Legra Radio LR11b Package Contents

Picture Item Qty

Legra Radio LR11b 1

8 Unpacking the Legra Radio

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The Legra Radio LR11b access point provides wireless high-speed data communications between a switch, such as the Legra Switch LS2012, and end user stations equipped with

802.11b wireless adapters. You can connect a Legra Radio to a Legra Switch or third party switch with a category 5 Ethernet cable.

The Legra Radio is Power over Ethernet (PoE) ready in accordance with IEEE 802.3af. If your third party switch does not support PoE, you can use an inline power injector or a Legra power brick (sold separately) to power the Legra Radio.

Package Contents

Getting Documentation

Before installing and configuring your Legra Radio LR11b, download and read the latest versions of Legra documents at the Legra Support web site:

http://www.legra.com

Support Contact Information

For technical support, visit the Support section of the Legra website.

http://www.legra.com

Setup Overview

The LR11b radio is the last group of the Legra devices that the you should install.

1 Install and configure the Legra Manager LM6000. For more

information, see the Legra Manager LM6000 Installation Guide.

2 Install and configure Legra Switch LS2012. For more information,

see the Legra Switch LS2012 Installation Guide.

3 Unpack the Legra Radio LR11b. For more information, see

“Unpacking the Legra Radio” on page 8.

4 Plan the locations of your Legra Radios. For more information, see

“Installation Guidelines” on page 16.

5 Imprint any Legra Radios to be indirectly connected to a LS2012.

For more information, see “Imprinting a Legra Radio” on page 20.

6 Install your Legra Radios.“Mounting Instructions” on page 17.

7 Configure and enable the Legra Radios through the LS2012 user

interface or LM6000 Network Management System (NMS).

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LR11b Radio Configuration

When a LR11b radio is initially connected to a switch, the Legra Radio’s interface is inactive. The following steps describe how to provision and activate the interface.

1 If the Legra Radio is connected to a third party switch, configure

your network so that IP packets are routed to and from the Legra Radio to the Legra Switch across your network.

2 Determine the radio channel settings for the Legra Radios. You can

use the LM6000’s Automatic Optimizer to calculate the channel of the connected LR11b radios. After performing the calculation, the LR11b radios are operational.

3 Make any modifications to the calculated channels and

transmission power.

4 Enable the radio interface on the Legra Radios from the LS2012

user interface or LM6000 NMS.

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12 Setup Overview

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This chapter describes:

• Safety Information

• Installation Guidelines

Installation

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Safety Information

The following sections describe important safety information. Following the safety guidelines and warnings when installing and operating your Legra Radio.

FCC Safety Compliance Statement

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

General Safety Guidelines

• Do not touch or move the antennas during operation.

• Do not hold any component containing a radio such that the antenna

is very close to or touching any exposed parts of the body, especially the face or eyes, while transmitting.

• Use in specific environments:

› The use of wireless devices in hazardous locations is limited to the

constraints posed by the local codes, the national codes and the safety directors of such environments.

› The use of wireless devices in hospitals is restricted to the limits set

forth by each hospital.

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Warnings

Comply with the following warnings when installing and using your Legra Radio.

WARNING To comply with FCC radio frequency (RF) exposure limits, the Legra

Radio antennas should be located at a minimum of 8 inches (20 cm) or more from the body of all persons when in use.

WARNING Do not locate the Legra Radio antennas near overhead power lines or

other electric light or power circuits, or where the Legra Radio antennas can come into contact with such circuits.

WARNING Do not work on the Legra Radio or connect or disconnect cables during

periods of lightning activity.

WARNING

Read the installation instructions before you connect the Legra Radio to its power source.

WARNING

This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that a fuse or circuit breaker no larger than 120 VAC, 15A U.S. (240 VAC, 10A international) is used on the phase conductors (all current-carrying conductors).

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Installation Guidelines

Use the following guidelines when determining the location of the LR11b radios:

• In general, the best location is in the center of your wireless coverage area within line of sight of all wireless devices.

• The higher off of the floor you install the Legra Radio, the better the performance.

• Metal objects can obstruct the radio signal. Install your Legra Radio away from large steel structures such as shelving units and filing cabinets to ensure that the steel objects do not obstruct the radio signals to and from your Legra Radio.

• Operation of electromechanical devices, such as room fans or microwave ovens, can interfere with the radio signal. Locate your Legra Radio away from electromechanical devices to ensure that the radio signal is not interfered with during operation.

16 Installation Guidelines

• Each Legra Radio should to be mounted with the provided mounting hardware.

• Legra Radios are connected to the LS2012 using standard category 5 cabling (less than 100 meters).

• If your third party switch does not use PoE or an inline power injector, use a power brick to power the Legra Radio. The power brick must be located within a 2 foot radius of the Legra Radio.

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Instructions

This chapter describes:

• Overview

• Installing the Mounting Bracket

Mounting

• Attaching the Legra Radio to the Mounting Bracket

• Removing the Legra Radio from the Mounting Bracket

• Imprinting a Legra Radio

• Connecting Power to the Legra Radio

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Overview

You can install the Legra Radio on horizontal or vertical flat surfaces, such as walls or ceilings. The Legra Radio includes a separate mounting bracket. You can install the mounting bracket with screws, or wall anchors and screws. Use the mounting bracket as a template to mark the locations for the attaching hardware.

Installing the Mounting Bracket

You can install the mounting bracket on a horizontal or vertical surface, such as a ceiling or wall.

Mounting

Flanges

18 Overview

Figure 3-1 Legra Radio LR11b Mounting Bracket

Use the holes in the mounting bracket as a template to mark the locations of the attaching hardware. If necessary, you can use the provided wall anchors to secure bracket to the surface.

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CAUTION Do not install the Legra Radio upside down. Otherwise, damage to the

unit may occur.

If you are installing the Legra Radio on a vertical surface, ensure that the top mounting flanges are oriented up or to the side. The bracket’s mounting flanges support the weight of the Legra Radio.

To install the mounting bracket

1 Mark the locations of the four mounting holes using the mounting

bracket as a template.

2 If using the wall anchors, install the wall anchors in the four

mounting hole locations.

3 Install the mounting bracket using four screws.

The mounting bracket is installed.

Attaching the Legra Radio to the Mounting Bracket

You can connect the Legra Radio to the mounting bracket with the following procedure.

To attach the Legra Radio to the mounting bracket

1 Install the Legra Radio’s aft mounting slots on to the mounting

flanges. Be sure that the LR11b hooks engage the bracket slots.

2 Press the front of the Legra Radio to secure it to the mounting

bracket. You should hear the Legra Radio snap into place.

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Removing the Legra Radio from the Mounting Bracket

You can remove the Legra Radio from the mounting bracket with the following procedure.

To remove the Legra Radio from the mounting bracket

1 Push the Legra Radio from front toward the aft of the unit. This

decouples the hooks from the bracket’s mounting flanges.

2 Pull the aft portion or the Legra Radio away from the bracket and

remove the Legra Radio from the mounting bracket.

The Legra Radio is removed from the bracket.

Imprinting a Legra Radio

You can physically connect your Legra Radio to a network device other than a Legra Switch. However, before connecting, you must imprint the Legra Radio with information from a Legra Switch LS2012. Imprinting transfers the Legra Switch’s DNS information on to the Legra Radio, allowing you to route IP packets to and from the Legra Radio across your network to the remote Legra Switch.

The imprinting process begins when you plug the Legra Radio into a Legra Switch with a category 5 Ethernet cable. The Legra Switch sends Power over Ethernet and DNS information to the Legra Radio. The Legra Radio’s Power LED blinks slowly during the imprinting process and becomes solid green when imprinting is complete.

When imprinting is complete, you can disconnect the Legra Radio, install it, and connect it to your network device. You must then configure your network so that the Legra Switch and Legra Radio transmit IP packets to one another through your network. You can remove the imprinted information when you hold down the RESET button for several seconds. After RESET, you must then connect the the Legra Radio to imprint information from another Legra Switch.

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To imprint LS2012 information on a Legra Radio

1 Connect a category 5 Ethernet cable to the Legra Switch 10/100

Ethernet port.

2 Connect the cable to the Legra Radio’s RJ-45 Ethernet Port.

The green Legra Radio Power LED blinks slowly. The LED turns solid green when imprinting is complete.

The Legra Radio is imprinted.

Connecting Power to the Legra Radio

Use one of the following methods to provide power to the Legra Radio:

• Power over Ethernet (PoE)

• Inline Power Injector

• Power Brick

Power over Ethernet (PoE)

If you connect a Legra Radio directly to a Legra Switch, the Legra Radio operates on PoE from the Legra Switch. After you connect a category 5 Ethernet cable to your Legra Switch, additional power connections are not required.

You can also connect your Legra Radio to a third party switch. If the third party switch does not support PoE, use an inline power injector or power brick to power the Legra Radio. If the third party switch supplies Power over Ethernet, additional power connections are not required.

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Inline Power Injector

If your third party switch does not support PoE, you can place a power injector inline between the switch port and the Legra Radio. See your power injector documentation for installation and usage instructions.

Power Brick

If a power injector cannot be used, use a power brick (Figure 3-2) to power the Legra Radio.

Power Brick

22 Overview

Power Cord

Mounting Bracket

Figure 3-2 Legra Radio Power Brick (Sold Separately)

The power brick connects to a wall outlet at one end and the Legra Radio 5V DC Power Socket at the other. The power brick must be located within a 2 foot radius of the Legra Radio.

The Legra power brick and mounting bracket are sold separately. Contact your Legra System Inc representative for more information.

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Specifications

Table A-1 Performance Specifications

Name Description

FCC/IC: 1-11 ETSI: 1-13

802.11b

Maximum Clients 64

France: 10-13 Spain: 10-11 MKK: 1-14

Operating Range Up to 500 m (1640 ft)

Data Rate Normal Mode: 1, 2, 5.5, 11 Mbps per channel

Network Configuration Infrastructure

5.15 ~ 5.25 GHz (lower band) US/Canada, Japan

Operating Frequency

Power supply

Output Power 16 dBm minimum

Table A-2 General Specifications

Characteristic Specification

Physical Size 20.5 × 13.6 × 4 cm, (8.07 × 5.35 × 1.58 in)

Weight 280 grams (9.9 oz)

LED Indicators See “LED Indicators” on page 4.

5.25 ~ 5.35 GHz (middle band) US/Canada

5.725 ~ 5.825 GHz (upper band) US/Canada

Input: 100-240 AC, 50-60 Hz Output: 5 VDC, 3 A

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Table A-2 General Specifications

Characteristic Specification

Legra Manager LM6000 Network Management

Network Management

Operating Systems Windows 98/Me/NT/2000/XP

System Legra Switch LS2012 User Interface

Temperature

Humidity 5% to 95% (non-condensing)

Operating: 0 to 50 ºC (32 to 122 ºF) Storage: 0 to 70 ºC (32 to 158 ºF)

Table A-3 Compliances

Category Standard

Compliances IEC 61000-4-2/3/4/6/11

Emissions

Safety

Standards

FCC Class B RCR STD-33A

CSA/NTRL (CSA 22.2 No. 950 & UL 1950) EN60950 (TUV/GS), IEC60950 (CB)

IEEE 802.3 10BASE-T IEEE 802.3u 100BASE-TX IEEE 802.11a/b IEEE 802.3af PoE

A-2

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Contact Information

Legra Systems, Inc. 3 Burlington Woods Drive Burlington, MA 01803-4543

Tel: (781) 272-8400 Fax: (781) 272-8401 Website: http:\\www.legra.com

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Legra Systems, Inc. 3 Burlington Woods Drive Burlington, MA 01803-4543 Tel: (781) 272-8400 Fax: (781) 272-8401 Website: http:\\www.legra.com

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