Proxim 7550 Manuale utente

following U.S. patents: 5,412,687; 5,844,900; 5,875,179; 5,913,174; 6,006,090; and 5,231,634.

part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval

system, or translated into any language in any form by any means without the written permis-

sion of Proxim, Incorporated.

Trademarks

Harmony, RangeLAN, the RangeLAN logo, RangeLAN2, and Proxim are trademarks of

Proxim, Inc. All other trademarks are the property of their respective owners.

Limited Warranty, Disclaimer, Limitation Of Liability

For a period of one (1) year from the date of purchase by the retail customer, Proxim warrants

the Harmony OpenAir Access Point Model 7550 against defects in materials and workman-

ship. Proxim will not honor this warranty if there has been any attempt to tamper with or

remove the product’s external foil label.

This warranty does not cover and Proxim will not be liable for any damage or failure caused by

misuse, abuse, acts of God, accidents, or other causes beyond Proxim’s control, or claim by

any entity other than the original purchaser.

If, after inspection, Proxim determines there is a defect, Proxim will repair or replace the

Access Point at no cost to you. To return defective merchandise to Proxim, please call Proxim

Technical Support 1-408-731-2640 to obtain a Return Merchandise Authorization (RMA)

number.

In no event shall Proxim, Incorporated be responsible or liable for any damages arising:

From the use of the product

From the loss of use, revenue or profit of the product

As a result of any event, circumstance, action, or abuse beyond the control of

Proxim, Incorporated

Whether such damages be direct, indirect, consequential, special or otherwise and whether

such damages are incurred by the person to whom this warranty extends or a third party.

Harmony OpenAir Access Point Model 7550 User’s Guide

Part # 7360.0137

Rev. B

Warranty Return Policy

If you have a problem with the Harmony OpenAir Access Point Model 7550, please call Proxim

Technical Support at 1-408-731-2640. Proxim Technical Support will assist with resolving any

technical difficulties you may have with your Proxim product.

After calling Proxim Technical Support, if your product is found to be defective, you may return

the product to Proxim after obtaining an RMA (Return Merchandise Authorization) number.

The product must be returned in its original packaging. The RMA number should be clearly

marked on the outside of the box. Proxim cannot be held responsible for any product returned

without an RMA number, and no product will be accepted without an RMA number.

FCC WARNING

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 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 which the

receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

Contents

1. Introduction .................................................................................................5

The Harmony Family .......................................................................................................................... 6

System Requirements .......................................................................................................................... 7

The Product Package........................................................................................................................... 7

2. Installation ...................................................................................................8

Installation Procedure.......................................................................................................................... 8

Mounting Option ............................................................................................................................... 11

Using the Optional Harmony Power System .................................................................................... 12

LED Indicators .................................................................................................................................. 13

3. Wirefree Operation ....................................................................................16

Harmony Architecture....................................................................................................................... 16

The OpenAir Specification................................................................................................................ 17

Roaming Between Harmony OpenAir Access Points....................................................................... 17

Roaming Guidelines ....................................................................................................................... 18

4. Configuration Parameters ........................................................................19

AP Name ......................................................................................................................................... 19

Physical Address ............................................................................................................................. 19

Enable AP ....................................................................................................................................... 19

Partnered AP Controller.................................................................................................................. 20

Domain............................................................................................................................................ 20

Channel ........................................................................................................................................... 20

Subchannel...................................................................................................................................... 21

Master Name ................................................................................................................................... 22

Security ID ...................................................................................................................................... 22

MAC Optimize................................................................................................................................ 22

IP Addressing.................................................................................................................................. 23

5. Performance Hints ....................................................................................25

Microwave Ovens ............................................................................................................................. 25

Antenna Options................................................................................................................................ 25

Range................................................................................................................................................. 25

Using Harmony With Other OpenAir-Compatible Products ............................................................ 26

6. Troubleshooting ........................................................................................27

How to Obtain Help with Your LAN Installation............................................................................. 27

LED Error Codes............................................................................................................................... 27

Common Problems and Solutions ..................................................................................................... 28

A. Parameters ................................................................................................31

B. Harmony OpenAir Access Point Specifications ....................................32

C. How to Reach Technical Support............................................................33

Index...............................................................................................................34

1. Introduction

Thank you for choosing Proxim’s Harmony OpenAir Access Point Model 7550, a

member of Proxim’s Harmony wirefree infrastructure family. The Harmony product

line is the first wirefree networking solution to support all current and future wireless

LAN standards, including OpenAir, IEEE 802.11b, and future 10 Mbps frequency

hopping and 5 GHz technologies, within a single, homogeneous architecture. Harmony

provides centralized management, configuration, and security for a wireless LAN.

Harmony protects current and future wirefree infrastructure investments by supporting

all leading and forthcoming wireless LAN protocols. Existing RangeLAN2 and

OpenAir-compatible products and existing IEEE 802.11b devices are all compatible

with Harmony. Customers can seamlessly transition to new LAN standards by adding

low-cost access points without changing the management interface or disturbing

existing users.

Harmony’s SmartArchitectureTM is the first wirefree management system to provide

one-click, system-wide security updates and remote office infrastructure management

through a single Web-based interface.

Harmony Access Points can be connected to any portion of the Ethernet network,

eliminating the need for special wirefree subnets common in other installations. Also,

Harmony clients can roam seamlessly anywhere there is wirefree coverage, without the

need for extra client software. In addition, Harmony SmartAttachTM software simplifies

installation by automatically discovering and configuring new access points upon

connection to the Ethernet network.

Proxim is the leading supplier of wirefree networking solutions. Proxim’s unmatched

expertise in spread spectrum radio networking technology, combined with the

company’s extensive experience serving the communication needs of the mobile

computing user, have kept Proxim at the forefront of the wireless LAN market.

The Harmony Family

The Harmony OpenAir Access Point Model 7550 is a member of a product family that

provides a complete wirefree networking solution.

qThe Harmony Access Point Controller Model 7560 centralizes the manage-

ment, security, and filtering capabilities of a wireless LAN. The Access Point

Controller communicates with Harmony Access Points over the Ethernet

network to provide wirefree network access for mobile clients. The Access

Point Controller can support multiple Access Points, even if each Access Point

follows a different wireless standard.

qThe Harmony Access Point is a networking bridge that operates at Layer 2 of

the OSI networking model. Working in conjunction with a Harmony Access

Point Controller, the Access Point forwards packets between its radio and the

Ethernet network. Two models of the Harmony Access Point are available to

support either the OpenAir or IEEE 802.11b wireless standards: the OpenAir

Access Point Model 7550 and the 802.11b Access Point Model 8550. Note

that the 802.11b Access Point does not require an AP Controller to provide

mobile clients with wirefree network access.

qThe Harmony PC Card is a wireless LAN adapter that fits into a PCMCIA

Type II slot in a laptop computer. Two models of the Harmony PC Cards are

available to support either the OpenAir (7430 Series) or IEEE 802.11b (8430

Series) wireless standards.

qThe Harmony 802.11b PCI Card Model 8110 is a wireless LAN adapter that

fits into a standard PCI expansion slot and complies with the IEEE 802.11b

wireless standard.

qThe Harmony OpenAir USB Adapter Model 7230 is a wireless LAN

adapter that connects to a Windows 98/2000 computer’s Universal Serial Bus

(USB) port and complies with the OpenAir wireless standard.

qThe optional Harmony Power System Model 7562 provides remote DC

power to Harmony Access Points over the unused pins of a twisted pair

Ethernet cable.

System Requirements

To begin using the Harmony OpenAir Access Point, you must have the following

minimum requirements:

qAt least one Harmony Access Point Controller

qAn Ethernet (10Base-T) LAN switch or hub

qAt least one OpenAir client adapter (i.e., PC Card, USB Adapter, etc.)

The Product Package

Each Harmony OpenAir Access Point comes with:

qOne Harmony OpenAir Access Point Model 7550

qOne 10Base-T crossover adapter

qOne power adapter (12V, 1 Amp)

qOne Harmony OpenAir Access Point Model 7550 User’s Guide

qOne warranty registration card

2. Installation

This chapter describes the installation procedure for the Harmony OpenAir Access

Point Model 7550 and includes a description of the LED indicators found on the unit.

Installation Procedure

Follow these steps to install the Harmony OpenAir Access Point Model 7550.

Note:

YoumustinstallaHarmonyAccessPointControllerbeforeinstallingaHarmony

Access Point.

1. If not already attached, firmly screw the antenna, included with the product, onto

the antenna connector using a clockwise motion. The antenna connector is

located on the side of the Access Point, as shown in Figure 1.

Figure 1

Attaching the Antenna

2. If you are not using the Harmony Power System and an AP Power Over LAN

Module to supply power to the Access Point, connect the 10Base-T crossover

adapter, included with the product, to the 10Base-T port located on the back panel

of the Access Point.

Note:

Do not use the 10Base-T crossover adapter with the AP Power Over LAN

Module. The AP Power Over LAN Module ships with a 6-inch crossover

cable that connects directly to the Access Point’s Ethernet port.

3. Determine the best location for the Harmony OpenAir Access Point. Keep in

mind the following considerations:

qThe length of the Ethernet cable that connects the Access Point to the network

must not exceed 100 meters.

qTry to place the Access Point on a flat, sturdy surface as far from the ground

as possible, such as on top of a desk or bookcase, keeping clear of metal

obstructions and away from direct sunlight.

qTry to centrally locate the Access Point and its antenna so that it will provide

coverage to all of the mobile devices in the area.

qIf you are not using the Harmony Power System to supply power to the Access

Point, the distance between the Access Point and a power outlet cannot exceed

the length of the power adapter’s cable.

qYou can install the Access Point and the AP Controller on different IP subnets.

Refer to the Harmony Access Point Controller Model 7560 User’s Guide for

details.

4. Place the Access Point in the desired location. The Access Point is designed to

sit on a desktop but it also includes four pre-threaded holes for mounting. Refer

to the section entitled “Mounting Option” later in this chapter for details.

5. Attach one end of an Ethernet cable to the Access Point and attach the other end

to the 10Base-T port of a network hub, switch, router, or patch panel.

Note:

The Harmony OpenAir Access Point does not support 100Base-TX; it only

supports 10Base-T.

6. Attach one end of the AC power adapter, included in the product package, to the

back of the Access Point and the other end to a power outlet. If you are using an

AP Power Over LAN Module and a Harmony Power System to supply power to

the Access Point, refer to the documentation that came with those products for

installation instructions.

Note:

Use the Access Point only with the power adapter supplied by Proxim in the

productpackage. UsinganotherpowersupplymaydamagetheAccessPoint.

All three LEDs on the top of the Access Point will light up when the unit is powered

on. Next, the Status LED will turn amber and then green to indicate that the unit is

operational. Note that the Status LED will remain amber if the Access Point cannot

find an AP Controller to partner with.

Note:

If the Status LED remains amber, the Access Point cannot find an AP

Controller to partner with. Refer to Chapter 6 for troubleshooting sugges-

tions.

In addition, the green Link LED will turn on to indicate that the Access Point has a

network connection.

7. The AP Controller will automatically detect and configure the Access Point over

the network. Refer to Chapter 4 and the Harmony Access Point Controller Model

7560 User’s Guide for more information on how to configure an Access Point.

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