Zoom 4410A Manuale utente

Wireless-G

USB

U S E R’S G U I D E

Wireless-G USB Adapter

2

Contents

Overview .................................................................. 3

Installation Instructions .......................................... 4

Installing the Wireless-G USB Adapter................... 5

The Adapter LED.................................................. 10

Setting Security ..................................................... 11

WPA2-PSK (Pre-Shared Key) .............................. 14

WPA-PSK (Pre-Shared Key) ................................ 15

WEP (Wired Equivalent Privacy) .......................... 16

WPA2-Enterprise.................................................. 18

WPA ..................................................................... 20

Certificate (WPA2-Enterprise and WPA) .............. 23

Changing your Security Setting ............................ 24

Advanced Options................................................. 25

Creating Profiles................................................... 25

Monitoring Link Status.......................................... 28

Using Site Survey and Rescan............................. 29

Advanced Configuration ....................................... 31

Appendix A. TCP/IP Settings................................ 32

Appendix B. Troubleshooting .............................. 41

Appendix C. Zoom Technical Support Services. 43

Appendix D. Regulatory Information ................... 47

Overview

3

Overview

The chapters in this User Guide describe how to:

• Install the Zoom Wireless-G USB adapter on a Windows

®

PC

• Connect to a wireless network

• Enable security on the Wireless-G USB adapter

• Use the advanced features of the Wireless-G USB

configuration software

Chapters 1 and 2 cover the basics – what you need to get

connected and to enable security.

If you are interested in the more advanced features of the

Wireless-G USB adapter, please see Chapter 3. This chapter

explains how to create profiles so you can switch your

connection from one network to another, monitor the strength of

your network connection, and scan a list of available networks.

Wireless-G USB Adapter

4

1

Installation Instructions

This chapter provides simple instructions for installing the

Wireless-G USB adapter on a Windows PC. If you have already

installed the adapter on a computer (using the separate Quick

Start guide), you can skip this chapter and begin with Chapter 2:

Setting Security.

What’s in the Package

The adapter package includes the following:

• Wireless-G USB adapter

• CD containing the

Installation Wizard and

documentation

• USB extension cable

• Quick Start manual

Before You Begin

Before you install the Wireless-G USB adapter, check that your

computer has the following:

• Available USB port

• Windows Vista, XP, 2000,

Me, or 98SE

• CD drive

• 6 MB of free hard drive

space

If you are using Windows 98SE: Your computer must have at

least 64MB RAM and a 300 MHz or faster CPU. Also, you may

need the Windows 98SE Installation CD during the setup

process.

Installing the Wireless-G

USB Adapter

Important! Install the software BEFORE you plug the Wireless-

G USB adapter into your computer.

If you are running Windows XP, 2000, Me or 98SE, please go

to page

8 for instructions.

Installing and connecting on

Windows Vista

1 Insert the Wireless-G USB CD into the CD or DVD drive. The

CD should start automatically.

If the AutoPlay dialog box appears, click Run Setup.exe.

If the User Account Control dialog box appears, click

Continue.

2 On the Language Selection screen, select your language.

3 On the next screen, select Installation Wizard, and then on

the following screen select USB.

5

Chapter 1: Installation Instructions

4 On the Zoom Wireless-G USB Installation Wizard Welcome

screen, click OK to install the adapter.

If a message tells you that Windows can't verify the publisher

of the driver software, select Install this driver software

anyway.

5 At the prompt, plug in the USB Adapter and click OK.

A pop-up notification message tells you that your hardware

has been installed successfully.

6 On the Zoom installation menu, select Exit.

If a message appears saying that the program might not have

installed correctly, click This program installed correctly.

To connect to a network:

1 From the Start menu select Connect to.

2 In the Connect to a network dialog box, highlight the desired

network and click Connect.

• If your desired network is secured, in the next dialog box

enter the security key or password and click Connect.

6

Wireless-G USB Adapter

• If your desired network is unsecured, in the message box

select Connect Anyway.

Note: We strongly recommend that you choose a secured

network. For information on wireless security, see Setting

Security on page 11.

If you have difficulty connecting, make sure you have

entered the correct password. Then perform a power cycle

on your computer and router/gateway/access point as

described in the Troubleshooting Tips on page

41.

3 In the Successfully connected to [desired network] dialog

box, you have three options. You can:

• Select Save the network and Start this connection

automatically if you always want to connect to the same

network. Then click Close. The next time you start your

computer you will automatically connect to the selected

network.

• Select Save the network and clear the Start this

connection automatically check box if you don't want to

automatically connect to this network every time you start

your computer but you will want to connect in the future.

Click Close to display the Select a location . . . dialog box

where you choose a location. Windows Vista automatically

applies the correct network security settings.

If the User Account Control dialog box appears, click

Continue.

• Click Close to complete the connection procedure. Select

this option if you are connecting to this network only one

time.

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Chapter 1: Installation Instructions

To disconnect from the current network:

1

From the Start menu, select Connect to.

2 In the Disconnect or Connect to another network dialog

box, select the current network and click Disconnect.

In the Are You Sure? message box, click Disconnect again.

3 In the next dialog box, you can connect to another network or

click Close to complete the disconnect procedure.

Installing and connecting on

Windows XP, 2000, Me and

98SE

1 Insert the USB Adapter CD into your CD drive. The CD

should start automatically. (If it does not, on the Windows

desktop click the Start button, click Run, and then type

e:\setup.exe where e is the letter of your CD drive.)

2 On the Language Selection screen, select your language.

3 On the next screen select Installation Wizard, and then on

the following screen select USB.

4 Windows Me users: if prompted, restart your computer.

5 Follow the prompts to complete the installation.

Windows 2000 users: If the Digital Signature Not Found

message appears, click Yes to continue.

6 On the final screen, click Finish.

7 On the Zoom installation screen, click Exit, remove the

installation CD, then turn off your computer.

(If the Zoom screen is minimized to a button on the taskbar,

maximize the screen so you can exit the installation.)

8 While the computer is off, plug the USB adapter into a USB

port on your computer.

9 Turn the computer back on. Windows will find your new

hardware. If you see an Unsigned driver message, click

Continue anyway.

8

Wireless-G USB Adapter

Windows 2000: If the Digital Signature Not Found

message appears, click Yes to continue.

Windows Me and 98: If prompted, restart your computer.

Congratulations! Your installation is complete. Follow the

instructions below to get connected.

To connect to a network:

1 Double-click the Zoom Wireless-G USB icon on your

desktop to open the configuration software.

2 In the Zoom Wireless-G USB window, click the Site Survey

tab to see a list of available wireless networks.

3 Highlight the network you want and click Join.

If the network you select has security configured, you

must enable and configure security on your computer before

you can connect. See Chapter 2, Setting Security.

9

Chapter 1: Installation Instructions

4 If you join a wireless network that does not have security, you

should now be connected. To check your connection, open

your Web browser and go to your favorite site.

We highly recommend security. Chapter 2, Setting Security on

page

11 has descriptions of the five security options and setup

instructions.

If you have difficulty accessing the Internet, follow the

suggestions in your browser’s “Page cannot be displayed”

message. You may need to adjust your LAN settings.

As you work online, you can monitor your connection easily

using the Link Status icon that appears in the right corner of the

taskbar when you open the Wireless-G USB utility:

The icon’s color indicates the link status:

Blue indicates an excellent or good link.

Yellow indicates a usable but weak link.

Red indicates no link or a very poor link.

The Adapter LED

The states of the LED on the Wireless-G USB adapter are

explained below.

LED Status Meaning

Flashing The Wireless-G USB adapter is attempting to

connect to a wireless network.

Steady The Wireless-G USB adapter is connected to a

wireless network and is transmitting or

receiving data.

10

Wireless-G USB Adapter

2

Setting Security

This chapter is for users who have Windows XP, 2000, Me or

98SE. If you are using Windows Vista, the operating system

automatically handles security configuration.

We strongly recommend security, although you do not need to

use it to get your wireless connection working.

Important! You must first enable security on the the wireless

access point. You then enable security on the adapter using the

same configuration that you used for the access point. For

example, if the wireless access point is configured for WPA2-

PSK, you must select WPA2-PSK security in the Wireless-G

USB configuration software and enter the same encryption key.

Select one of five ways to configure and implement security for

your wireless network:

• WPA2-PSK (WiFi ® Protected Access 2 Pre-Shared Key) is

the recommended option if it is supported by the access

point and the devices in your network. WPA2-PSK protects

your communications with AES (Advanced Encryption

Standard). Some access points permit a “mixed mode”

network composed of both WPA and WPA2 wireless clients.

WPA2-PSK requires you to enter an encryption key shared

by the access point.

• WPA PSK (WiFi ® Protected Access Pre-Shared Key)

If the devices in your network do not all support WPA2-PSK,

11

Chapter 2: Setting Security

select WPA-PSK. WPA-PSK protects your communications

with TKIP (Temporal Key Integrity Protocol).

This option requires you to enter an encryption key shared

by the access point.

• WEP (Wired Equivalent Privacy)

If the devices in your network do not support WPA2-PSK or

WPA-PSK, select WEP data encryption.

This method requires you to enter an encryption key. The

keys can be 64 or 128 bits in length.

• WPA2-Enterprise

If you are linking to a network that accesses a RADIUS

(Remote Authentication Dial-In User Service) authentication

server, and if the devices in the network support WPA2,

select WPA2-Enterprise. This option provides security with

AES (Advanced Encryption Standard). AES has a key size

of 128, 192, or 256-bits. In order for eavesdroppers to

decipher a message, they would have to try every possible

key.

• WPA is an option for users who access a RADIUS (Remote

Authentication Dial-In User Service) authentication server

that does not support WPA2. WPA provides security with

TKIP (Temporal Key Integrity Protocol), which dynamically

changes keys as the system is used.

Accessing the Security Screen

1 On your desktop, double-click the Zoom Wireless-G USB

icon:

12

Wireless-G USB Adapter

2 The Zoom Wireless-G USB configuration software opens to

display the configuration parameters:

3 Make sure that the desired wireless network is displayed in

the Profile and SSID text boxes (the term <Infra>

designates an Infrastructure network) and that the Network

Type is correct.

There are two types of wireless networks: Infrastructure and

Ad Hoc.

• In an Infrastructure network, wireless devices

communicate with each other via a wireless access point,

router, or ADSL modem with built-in wireless technology.

• In an Ad Hoc network, a group of wireless devices

communicate directly with other “client” devices that are

using wireless adapters. The network does not include a

wireless access point or wireless router.

In the unlikely event that you use an Ad Hoc network, you

must set up Static IP addressing. See Appendix A:

TCP/IP Settings.

13

Chapter 2: Setting Security

4 Select the Enable Security check box to open the Security

Configuration window. For Step 5, consult the table below:

To configure Go to page

WPA2-PSK 14

WPA-PSK 15

WEP 16

WPA2-Enterprise 18

WPA 20

WPA2-PSK (Pre-Shared Key)

1 In the Security Configuration window, click the Encryption

Mode drop-down arrow and select WPA2-PSK.

14

Wireless-G USB Adapter

2 In the Pre-shared key [WPA] area, enter the same network

key that is used on the wireless access point. We advise you

to enter a key with a minimum of 20 random characters.

3 Click OK to save your settings and return to the

Configuration tab.

4 On the Configuration tab, click Apply.

5 Click the Close box to exit the configuration software.

That’s it! You have configured WPA2-PSK security for your

wireless connection, and you’re ready to use the Internet.

WPA-PSK (Pre-Shared Key)

If not all of the wireless devices in your network support the

recommended WPA2-PSK, select WPA-PSK.

1 In the Security Configuration window, click the Encryption

Mode drop-down arrow and select WPA-PSK.

15

Chapter 2: Setting Security

2 In the Pre-shared key [WPA] area, enter the same network

key that is used on the wireless access point. We advise a

key with a minimum of 20 random characters.

3 Click OK to save your settings and return to the

Configuration tab.

4 On the Configuration tab, click Apply.

5 Click the Close box to exit the configuration software.

That’s it! You have configured WPA-PSK security for your

wireless connection, and you’re ready to use the Internet.

WEP (Wired Equivalent

Privacy)

1 In the Security Configuration window, click the Encryption

Mode drop-down arrow and select WEP:

16

Wireless-G USB Adapter

Chapter 2: Setting Security

17

2 In the Preconfigured key [WEP] area, do the following:

a

b

c

d

In the Format for entering key drop-down list, select

• ASCII characters if your network uses all Zoom

wireless products

• Hexadecimal digits if an access point, router, or

some adapters are not Zoom products

In the Key Length drop-down list, select 128 bits or 64

bits.

Note: 128-bit WEP provides more security than 64-bit,

but 128-bit could diminish network performance.

In the Key Index drop-down list, if you are using a 64-bit

key, select which of four keys – 1, 2, 3, or 4 – will be

used to encrypt the data. The key you select must be the

same one that is selected on the access point. We

recommend that you use Key 1.

128-bit WEP uses just a single key.

In the Network Key text box, enter a key using the table

below as a guide.

The key must be the same for all the devices on your

network.

If you selected key

type…

Enter exactly…

Hexadecimal digits

– 128 bits

26 characters A–F, a–f and 0–9. For

example,

00112233445566778899AABBCC.

Hexadecimal digits

– 64 bits

10 characters. The characters can

be A-F, a-f, and 0-9. For example,

11AA22BB33.

ASCII – 128-bits 13 characters. The characters can

be any upper- or lower-case letters

and numbers. For example:

MyKey12345678.

ASCII – 64 bits 5 characters. The characters can be

any upper- or lower-case letters and

numbers. For example, MyKey.

3 Re-enter the key in the Confirm Network Key text box.

4 Click OK to save your settings and return to the

Configuration tab.

5 On the Configuration tab, click Apply.

6 Click the Close box to exit the configuration software.

That’s it! You have configured WEP security for your wireless

connection, and you’re ready to use the Internet.

WPA2-Enterprise

Select WPA2-Enterprise if

• you are linking to a corporate network that uses a RADIUS

(Remote Authentication Dial-In User Service) authentication

server

• all of the devices in the network support WPA2, or your

access point offers both WPA2 and WPA.

18

Wireless-G USB Adapter

1 In the Security Configuration window, click the Encryption

Mode drop-down arrow and select WPA2-Enterprise.

2 In the IEEE 802.1X Authentication area, note that the check

box marked Enable IEEE 802.1X authentication for this

network is selected. With IEEE 802.1X authentication, each

wireless device (client) sends a signal to the wireless access

point, which in turn sends the signal to the RADIUS server.

The server determines whether or not the client is allowed to

join the network.

3 Click the EAP (Extensible Authentication Protocol) Type

drop-down list and select an authentication protocol:

• PEAP (Protected Extensible Authentication Protocol –

the (default). With PEAP, you can select from three

authentication extensions:

MS-CHAPV2. Microsoft’s version of CHAP

(Challenge-Handshake Authentication Protocol

(default)

GTC

TLS/SmartCard

• TLS (Transport Layer Security). There are no

authentication extension options with TLS.

• TTLS (Tunneled Transport Layer Security). With TTLS,

you can select from four authentication extensions:

19

Chapter 2: Setting Security

Wireless-G USB Adapter

20

PAP (Password Authentication Protocol)

CHAP (Challenge Handshake Authentication

Protocol)

MS-CHAP (Microsoft’s version of CHAP).

MS-CHAPV2 (the default).

4 Click the Certification tab and enter the required information

(see page

23).

5 Click OK to save your settings and return to the

Configuration tab.

6 On the Configuration tab, click Apply.

7 Click the Close box to exit the configuration software.

That’s it! You have configured WPA2-Enterprise security for your

wireless connection, and you’re ready to use the Internet.

WPA

Select WPA if you are linking to a corporate network that uses a

RADIUS (Remote Authentication Dial-In User Service) server

that does not support WPA2.

1 In the Security Configuration window, click the Encryption

Mode drop-down arrow and select WPA.

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