Corinex Global Network Card ETS 300 328 User Manual

Corinex

Wireless G USB

Mini Adapter

Manual

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Corinex Wireless G USB Mini Adapter

FCC ID: PANWL2203

Corinex Communications Corp.

# 670-789 West Pender Street

Vancouver, BC

Canada V6C 1H2

Vancouver / Mar. 1. 2005

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This document, as well as the software described in it, is furnished under license and

may be used or copied only in accordance with the terms of the license. The content

of this document is furnished for informational use only, it is subject to change without

notice, and it does not represent a commitment on the part of Corinex Communications

Corp.

Corinex Communications Corp. assumes no responsibility or liability for any errors or

inaccuracies that may appear in this document.

It is our policy to enhance our products as new technologies, hardware components,

software and firmware become available; therefore, the information contained in this

document is subject to change without notice.

Some features, functions, and operations described in this document may not be included

and sold in certain countries due to government regulations or marketing policies.

The use of the product or its features described in this document may be restricted or

regulated by law in some countries. If you are unsure which restrictions or regulations

apply, you should consult your regional Corinex office or the authorized reseller.

Published by:

Corinex Communications Corp.

#670-789 West Pender Street

Vancouver, B.C.

Canada V6C 1H2

Tel.: +1 604 692 0520

Fax: +1 604 694 0061

Corinex is a registered trademark of Corinex Communications Corp.

Microsoft, MS-DOS, MS, Windows are either registered trademarks or trademarks of

Microsoft Corporation in the U.S.A. and/or other countries.

All products or company names mentioned herein may be the trademarks of their

respective owners.

NOTE: This equipment has been tested and found to comply with the limits for

Class B information technology equipment. 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 in-

terference will not occur in a particular installation. If this equipment does cause

harmful interference, the end user is advised to take adequate measures.

2005-02-14 ver. 1

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End User License Agreement

CORINEX COMMUNICATIONS CORPORATION

This End User License Agreement (“EULA”) is a legal agreement between you and CORINEX

COMMUNICATIONS CORPORATION (“CORINEX”) with regard to the copyrighted Software

provided with this EULA.

Use of any software and related documentation (“Software”) provided with a CORINEX hardware

product, or made available to you by CORINEX via download or otherwise, in whatever form or media,

will constitute your acceptance of these terms, unless separate terms are provided by the software

supplier, in which case certain additional or different terms may apply. If you do not agree with the terms

of this EULA, do not download, install, copy or use the Software.

1. Licence Grant. CORINEX grants to you a personal, non-transferable and non-exclusive right to use

the copy of the Software provided with this EULA. You agree you will not copy the Software except

as necessary to use it on a single hardware product system. You agree that you may not copy the

written materials accompanying the Software. Modifying, translating, renting, copying, transferring

or assigning all or part of the Software, or any rights granted hereunder, to any other persons, and

removing any proprietary notices, labels or marks from the Software is strictly prohibited. Furthermore,

you hereby agree not to create derivative works based on the Software. You may permanently transfer

all of your rights under this EULA, provided you retain no copies, you transfer all of the Software, and

the recipient agrees to the terms of this EULA. If the Software is an upgrade, any transfer must include

all prior versions of the Software.

2. Copyright. The Software is licensed, not sold. You acknowledge that no title to the intellectual property

in the Software is transferred to you. You further acknowledge that title and full ownership rights to

the Software will remain the exclusive property of Corinex Communications Corporation and/or its

suppliers, and you will not acquire any rights to the Software, except as expressly set forth above. All

copies of the Software will contain the same proprietary notices as contained in or on the Software.

3. Reverse Engineering. You agree that you will not attempt, and if you are a corporation, you will use

your best efforts to prevent your employees and contractors from attempting to reverse compile,

modify, translate or disassemble the Software in whole or in part. Any failure to comply with the above

or any other terms and conditions contained herein will result in the automatic termination of this

license and the reversion of the rights granted hereunder to CORINEX.

4. Disclaimer of Warranty. The Software is provided “AS IS“ without warranty of any kind. CORINEX

and its suppliers disclaim and make no express or implied warranties and specifically disclaim warranties

of merchantability, fitness for a particular purpose and non-infringement of third-party rights. The

entire risk as to the quality and performance of the Software is with you. Neither CORINEX nor its

suppliers warrant that the functions contained in the Software will meet your requirements or that the

operation of the Software will be uninterrupted or error-free.

5. Limitation of Liability. Corinex’s entire liability and your exclusive remedy under this EULA shall not

exceed the price paid for the Software, if any. In no event shall CORINEX or its suppliers be liable to

you for any consequential, special, incidental or indirect damages of any kind arising out of the use or

inability to use the software, even if CORINEX or its supplier has been advised of the possibility of such

damages, or any claim by a third party.

6. Applicable Laws. This EULA will be governed by the laws of Canada, excluding its conflict of law

provisions.

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End User License Agreement

7. Export Laws. This EULA involves products and/or technical data that may be controlled under any

applicable export control laws, and regulation, and may be subject to any approval required under such

laws and regulations.

8. Precedence. Except as set out above, where separate terms are provided by the software supplier,

then, subject to this EULA, those terms also apply and prevail, to the extent of any inconsistency with

this EULA.

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Quick Start

Thank you for purchasing the Corinex Wireless G USB Mini Adapter. Please follow the steps below to suc-

cessfully install the hardware and software.

NOTE: Please don’t connect the Corinex Wireless G USB Mini Adapter to your PC before step 4.

Step1

Insert the included CD into your CD-ROM drive. The installer should start automatically. If it does not,

please navigate to the root folder of the CD by clicking on My Computer and then on the Compact

Disc icon, and execute the file setup.exe. The following screen will appear.

Please wait until the InstallShield Wizard starts completely and the welcome screen appears.

Proceed by clicking the Next button.

Step 2

On the next screen, you may select where to install the utility for configuration of the Corinex Wireless

G USB Mini Adapter. If you are satisfied with the default setting, click Next. Otherwise, click Browse to

select the path manually and confirm your choice by clicking Next.

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Quick Start

Step 3

The installer will now install the drivers in your system and copy all the necessary files to the specified

folder.

Please wait until the files are copied. The following screen will appear.

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Quick Start

In Windows XP, shortly after this screen appears, you may encounter a system warning saying that the

software has not passed Windows Logo testing. Please accept this warning by clicking Continue any-

way.

Finally, click Finish to close the installation wizard.

Step 4

Now you can connect the Corinex Wireless G USB Mini Adapter to your computer. Windows will detect a

new device and start the installation. Please wait until the installation is finished. In Windows XP, during

the installation, you will encounter a system warning saying that the software has not passed Windows

Logo testing. Please accept this warning by clicking Continue anyway and proceed the installation.

The Corinex Wireless G USB Mini Adapter is now ready to use. Please refer to the user guide for configura-

tion and a detailed description of the functionality.

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Contents

End User License Agreement ...................................................................... 2

Quick Start ................................................................................................... 4

Contents ........................................................................................................ 7

1. Introduction ................................................................................................... 8

1.1 Overview ........................................................................................................ 8

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

1.3 Features .......................................................................................................... 8

1.4 System Requirements ................................................................................... 8

2. Using the Corinex Wireless G USB Mini Adapter ................................... 9

2.1 Overview ....................................................................................................... 9

2.2 Installation ..................................................................................................... 9

3. Configuration ................................................................................................ 12

3.1 Station Mode ............................................................................................... 13

3.2 Access Point Mode .................................................................................... 24

4. Troubleshooting ........................................................................................... 31

5. Glossary ........................................................................................................ 32

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Introduction

1 Introduction

1.1 Overview

With a Corinex Wireless G USB Mini Adapter, you can enter the world of wireless

communication and enjoy all the advantages of networking without cables. The

Corinex Wireless G USB Mini Adapter is two devices in one, an 802.11g compliant

network interface card and a fully featured wireless access point!

The adapter allows you to connect to other wireless devices and allows you to

create a wireless network. Wired and wireless networks can be interconnected

with the Wireless G USB Mini Adapter, giving you all the benefits of your wired

network to your wireless clients.

1.2 Package Contents

When you receive your Corinex Wireless G USB Mini Adapter, check to be sure that

the package contains:

• Corinex Wireless G USB Mini Adapter

• Installation CD with drivers and documentation

• Printed Quick Start Guide

1.3 Features

• Supports Microsoft Windows 98SE, ME, 2000 and XP

• Operating distance of up to 300 meters in free space

• 54/48/36/24/18/12/11/9/6/5.5/2/1 Mbps selectable Data Rate

• Supports USB 2.0 interface

• Access Point or Station mode

• 64/128/256-bit WEP (Wired Equivalent Privacy), TKIS and AES encryption

• Open System, Shared Key, WPA, WPA PSK, WPA2 and WPA2 PSK

Authentication

• 2.400GHz ~ 2.4835GHz unlicensed ISM Frequency Band

• Modulation Method:

- IEEE 802.11b: DSSS (Direct Sequence Spread Spectrum)

- IEEE 802.11g: OFDM (Orthogonal Frequency Division Multiplexing)

• Easy operation and setup

1.4 System Requirements

• Windows 98SE / ME / 2000 / XP

• One available USB 1.1 or 2.0 port

Corinex Wireless G USB Mini Adapter

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Using the Corinex Wireless G USB Mini Adapter

2 Using the Corinex Wireless G USB Mini Adapter

2.1 Overview

Thank you for purchasing the Corinex Wireless G USB Mini Adapter!

The Corinex Wireless G USB Mini Adapter is an easy-to-install wireless adapter,

compliant with both 802.11b and 802.11g wireless standards, allowing your

computer to communicate with other wireless networking devices or wireless

networks. Additionally, it can act as a wireless access point, allowing wireless clients

to connect to your computer, and furthermore, to any wired network to which your

PC is connected.

The Corinex Wireless G USB Mini Adapter supports both USB 1.1 and 2.0 standards.

The only difference is the maximum data rate. When connected to a USB 1.1 port,

the USB Mini Adapter behaves as an 802.11b client/access point, allowing data rates

of up to 11 Mbps. When connected to a USB 2.0 port, it provides the full capabilities

of an 802.11g wireless device, allowing speeds of up to 54 Mbps. The adapter comes

with a convenient configuration utility, allowing fast and easy setup of all parameters

and functions.

2.2 Installation

The Corinex Wireless G USB Mini Adapter requires installation of the drivers and

the configuration utility in order to be detected by the operating system. Please

follow the steps below in order to successfully install the Corinex Wireless G USB

Mini Adapter drivers.

NOTE: Please don’t connect the Corinex Wireless G USB Mini Adapter to your

PC before step 4.

Step1

Insert the included CD into your CD-ROM drive. The installer should start

automatically. If it does not, please navigate to the root folder of the CD by clicking

on My Computer and then on the Compact Disc icon, and execute the file

setup.exe. The following screen will appear.

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Using the Corinex Wireless G USB Mini Adapter

Please wait until the InstallShield Wizard starts completely and the welcome screen

appears.

Proceed by clicking the Next button.

Step 2

On the next screen, you may select where to install the utility for configuration of

the Corinex Wireless G USB Mini Adapter. If you are satisfied with the default setting,

click Next. Otherwise, click Browse to select the path manually and confirm your

choice by clicking Next.

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Using the Corinex Wireless G USB Mini Adapter

Step 3

The installer will now install the drivers in your system and copy all the necessary

files to the specified folder.

Please wait until the files are copied. The following screen will appear.

In Windows XP, shortly after this screen appears, you may encounter a system warn-

ing saying that the software has not passed Windows Logo testing. Please accept this

warning by clicking Continue anyway.

Finally, click Finish to close the installation wizard.

Step 4

Now you can connect the Corinex Wireless G USB Mini Adapter to your computer.

Windows will detect a new device and start the installation. Please wait until the in-

stallation is finished. In Windows XP, during the installation, you will encounter a sys-

tem warning saying that the software has not passed Windows Logo testing. Please

accept this warning by clicking Continue anyway and proceed the installation.

Your Corinex Wireless G USB Mini Adapter is now ready to use. Please see the next

chapter on how to set up your wireless network parameters.

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Configuration

3 Configuration

The Corinex Wireless G USB Mini Adapter comes with a configuration utility, which is

installed together with the drivers. As soon as you plug the Corinex Wireless G USB

Mini Adapter into the USB port on your PC, the utility will start and you will see its

icon in the system tray.

You can double-click on the icon at anytime to bring the configuration window to

the foreground and check or change the settings.

If the utility doesn’t start automatically after connecting the Corinex Wireless G USB

Mini Adapter to your computer, you can start it manually from the Start menu. It can

be found in the Programs folder of the Start menu, under the subfolder Corinex

-> Corinex Wireless USB Mini Adapter.

After starting the configuration utility, the following screen opens:

The Network Adapter field shows the name of the currently configured net-

work adapter. By default, it shows the Corinex Wireless G USB Mini Adapter. It is

not recommended to change the default name of the adapter.

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Configuration

In the top right corner of the window, you can see the current operation mode of

the Corinex Wireless G USB Mini Adapter. Both modes are described in the table

below.

Mode

Description

Station

The Corinex Wireless G USB Mini Adapter works as a wireless

client. It has to be connected to an access point in order to

connect the computer to a network.

Access Point

The Corinex Wireless G USB Mini Adapter works as an access

point and provides networking services for wireless clients.

In this mode, you can bridge the wireless network with an-

other network, for example with your Ethernet connection,

so that the wireless clients are able to access the network.

The configuration options and the look of the configuration utility depend on the

operating mode. Please see the next chapters for detailed information on both

modes.

3.1 Station Mode

By default, the Corinex Wireless G USB Mini Adapter comes in the station mode and

tries to find a wireless access point. It scans all channels for a response. As soon as

it finds an access point, it displays its SSID and signal strength in the table Available

Networks.

You can scan for all available access points by clicking on the Refresh button. The

Corinex Wireless G USB Mini Adapter scans all available channels and reports the re-

sults in the Available Networks window.

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Configuration

After an access point is selected from the list, its parameters are displayed in the

Selected Network Information section, next to the list of access points. The fol-

lowing information is displayed:

Field

Channel

Type

Description

Displays the operating channel of the selected access point.

Displays the type of network:

Infrastructure – the clients communicate with each other using

an access point. The access point can be connected to a wired

network in order to provide connectivity to the internet, to

shared items on a network, and printers.

Ad-Hoc – the clients communicate with each other directly.

Indicates type of encryption used by the access point.

MAC address of the access point.

Encrypt

BSSID

When you click on the Connect button, the Corinex Wireless G USB Mini Adapter

will try to connect to the selected access point. After successful connection to the

access point, the window changes to show information about the connection status.

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Configuration

Field

Channel

Type

Description

Channel being used for communication

Type of connection, having the values Infrastructure or Ad-

Hoc

SSID

Identification of the network

Tx Rate

Encrypt

Link Status

Maximum data rate

Type of encryption used

Shows the MAC address of the connected access point

Signal Strength Signal strength, given as a percentage

Link Quality

Quality of the link between the Corinex Wireless USB Mini

Adapter and the access point, given as a percentage of the cur-

rent data rate

Tx Frame

Rx Frame

Number of frames transmitted per second

Number of frames received per second

If you want to set up or adjust the network parameters manually, please click on the

Network Options button. The following window will appear.

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Configuration

This window is divided into four sections – General, Encryption, Profile and

Other.

3.1.1 General

This section shows the general wireless settings of the current connection. If you

want to change anything, click on the button Unlock. All fields, which can be

changed, will be enabled. Please see the following table for explanations of the fields

and their options.

Field

Description

Channel

Current channel. This field cannot be changed if the Corinex Wireless

G USB Mini Adapter operates in the infrastructure mode and is con-

nected to an access point. Depending on the country, you may not

be able to use all channels. Please see the section Other for details

on the usage of channels.

Tx Rate

SSID

Transmit data rate. This can be set to Auto, allowing the Corinex

Wireless G USB Mini Adapter to negotiate the data rate automatically

with the access point. If you prefer manual setting, you can select

any rate from 1 Mbps up to 54 Mbps.

Identification of the network. Only two devices which have the

same SSID can communicate with each other. You can enable the

checkbox “any”, and this will force the Corinex Wireless G USB Mini

Adapter to connect to any access point it finds, choosing the best

signal strength and link quality.

Network

Type

Infrastructure – the clients communicate with each other using

an access point. The access point can be connected to a wired net-

work, in order to provide connectivity to the Internet, to shared

items on a network, and printers.

Ad-Hoc – the clients communicate directly with each other.

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Configuration

Field

Encryption In infrastructure mode:

Disable – the communication is not encrypted.

Description

WEP – the communication is encrypted using 64/128/256 bit WEP.

TKIP – replaces WEP with a stronger encryption algorithm. The

passwords change dynamically, and the change is synchronized be-

tween the access point and the wireless client.

AES – another encryption method, more secure than WEP.

In ad-hoc mode:

Enable WEP – encryption is enabled.

Disable WEP – encryption is disabled.

Authen-

tication

Mode

The following authentication modes are available:

Open System - the simplest authentication method. The client

sends out a request and the access point authenticates it. There is

no encryption.

Shared Key – this method uses a WEP encrypted password for

authentication. The client will be authenticated by the access point

only if the passwords match.

Auto – in this mode, the access point provides the method for au-

thentication and the client uses the offered method, if available.

In the infrastructure mode, two more modes are available:

WPA – uses a combination of Open System and 802.1x authentica-

tion. First the wireless client authenticates with the access point,

then performs user-level authentication with 802.1x.

WPA PSK - a WPA pre-shared-key mode, which doesn’t require

802.1x authentication. The authentication in this mode is based on

shared secrets, stored both on the access point and on the wireless

client.

WPA2 and WPA2 PSK – second generation of the Wi-Fi Protect-

ed Access based on the final IEEE 802.11i amendment to the 802.11

standard.

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Configuration

3.1.2 Encryption Options

Wireless networks with only the default configuration are very vulnerable. Anyone

with a wireless card can connect to your network and use its services if the network

is not secure. The Corinex Wireless G USB Mini Adapter supports all common kinds

of encryption algorithms.

WEP Encryption Key

If you have enabled WEP encryption, after clicking on WEP Encryption Key, you

can change the WEP settings. The following window will appear.

Click Unlock to enable the fields to be changed. Please see the following table for

details on each setting.

Setting

Description

Key Length

You can select 64, 128 or 256 bit en-

cryption.

Default Key ID

Key Format

Indicates which of the four keys will be

used by default.

You can choose whether you want to

enter the WEP keys in hexadecimal (0-

9, A-F) or ASCII format (characters,

case sensitive).

Key Value 1-4

The four encryption keys. The keys are

coded on-screen as asterisks (*).

The key is provided via 802.1x authen- The WEP key will be acquired automat-

tication

ically from the server after successful

802.1x authentication.

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Configuration

The next table shows the required lengths of the keys, depending on the Key

Length setting.

Key Length

64 bit

Length in hexadecimal format

Length in ASCII format

128 bit

256 bit

After setting all the parameters, please click Apply to save the settings and close

the window by clicking the x button which is located in the top right corner of the

window.

WPA Encryption

If you selected WPA for authentication, you can set the WPA parameters by clicking

the WPA Encryption button. The following window will appear.

Click the Unlock button to enable editing of the WPA settings.

Connect Information

You can select the protocol used for authentication. Please see the following table

for details on each choice.

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Configuration

Protocol

Description

TLS

TLS authenticates the station with the access point by exchanging

digital certificates. In EAP-TLS, certificates are used to provide

authentication in both directions. The server presents a certifi-

cate to the client, and, after validating the server’s certificate, the

client presents a client certificate to the server. No username or

password is required.

PEAP

PEAP authenticates wireless LAN clients using only server-side

digital certificates by creating an encrypted SSL/TLS tunnel be-

tween the client and the authentication server. The tunnel then

protects the subsequent user authentication exchange. User-

name and password are required.

Pre-Shared Key

In this section you can enter the WPA pre-shared key which will be used for authen-

tication. This key must be between 8 and 64 characters long.

Certificate

From the list, you can select the digital certificate used for authentication with the

server.

NOTE: If there are no certificates available, please contact your network

administrator in order to get digital certificates needed to authenticate with

the server.

3.1.3 Profile

For users who often change their wireless settings, profiles can be created with

different connection and encryption settings so you don’t have to set everything

manually every time you want to connect to a different access point or change the

security settings.

You can enter the name of the profile into the Profile Name field and click on the

button Save Current. The new profile with the current wireless settings will be

created and will appear in the list of profiles. If you want to load the saved profile,

select it from the list and click on the button Load. If you want to delete a profile,

select it from the list and click on Delete.

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Configuration

3.1.4 Other

If you want to modify the application’s settings or change the network settings for

the Corinex Wireless G USB Mini Adapter, please click on Advanced. The following

window will appear.

The advanced configuration contains the following sections.

User Interface

Here you can select the language of the configuration utility. You can choose be-

tween English, German, Spanish, French, Swedish and Traditional Chinese.

The changes are applied immediately.

Country Roaming

In some countries, not all channels can be used for wireless communication, due to

frequency conflicts with military communications or other systems. This is defined

by regulatory domains in the respective countries. In this section, you can select the

region or country where you will be using the Corinex Wireless G USB Mini Adapter

from the list. World Mode enables the first 11 channels, a more general setting

which will be compatible with wireless regulatory requirements in most countries.

Choose this setting if your country does not appear in the drop-down list. If your

country does appear in the User select list, check the button and select your coun-

try, which will ensure that you’re operating within the frequency range allowed in

your country. The following table shows the available channels in certain countries.

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Configuration

Channel Center

Identifier Frequency

(MHz)

Regulatory Domains

North

ETSI

Japan (most of

Europe)

Israel France Mexico

America

2412

2417

2422

2427

2432

2437

2442

2447

2452

2457

2462

2467

2472

2484



Power Consumption Settings

The Corinex Wireless G USB Mini Adapter draws its power from your computer, di-

rectly through the USB port. If you’re using a laptop running on battery power, you

may want to save energy by switching the Corinex Wireless G USB Mini Adapter to

one of the power saving modes. The output power will decrease, but it will extend

the running time of your battery. You can select between the following modes:

Power consumption mode

Description

Continuous Access Mode (CAM)

Consumes maximum power, provides

maximum performance

Maximum Power-Saving Mode

Fast Power-Saving Mode

Switches to power saving mode, pro-

vides the least performance

The Corinex Wireless G USB Mini Adapt-

er will switch between the two above

modes, depending on the amount of

data sent or received.

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Configuration

Fragmentation Threshold

In case of interference in the wireless channel, or weak signal, the Corinex Wireless

G USB Mini Adapter can fragment frames to optimize performance. It will divide the

frames into smaller pieces and send them separately to the destination device. Only

data packets are fragmented - the broadcast and multicast packets are transmitted

unchanged.

The threshold value is the maximum size of an unfragmented packet. Any frame

larger than that threshold will be fragmented. If there are no packet losses in the

wireless media, the value should be unchanged. If you experience collisions, try to

lower the threshold to approx. 1000 bytes. If the network performs well at this set-

ting, you can try higher values until you find the optimal performance.

The default value of the threshold is 2346 bytes.

RTS / CTS Threshold

The 802.11 standard includes the RTS/CTS (Request to Send/Clear to Send) func-

tion to control access of the wireless stations to the wireless medium. If two wire-

less stations are transmitting packets to the access point at the same time, the access

point will not be able to handle both, and one of the stations will have to repeat the

transmission.

If the RTS/CTS function is enabled, the station will initiate a handshake with the

destination device (access point). After the access point finishes all pending opera-

tions, it confirms that the station can send the packet. This improves performance

by avoiding repeat transmissions of the same data.

The threshold value is the maximum size of a packet which can be sent without ac-

tivating the RTS/CTS handshake. Sending a packet with a size larger than the thresh-

old value will activate the RTS/CTS handshake before transmission can begin.

Since the RTS/CTS function is only initiated on the client side, these settings can

be ignored while the Corinex Wireless G USB Mini Adapter is set to Access Point

mode.

By default, the RTS/CTS function is disabled – the threshold is set to 2347 bytes.

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Configuration

Information

If you want to check the version number of the Corinex Wireless G USB Mini Adapt-

er’s driver, version of the configuration utility or the MAC address of the Corinex

Wireless G USB Mini Adapter, you can click the button Information, and a window

with all this information will open.

3.2 Access Point Mode

The Corinex Wireless G USB Mini Adapter can operate in access point mode as well.

An access point is a device which connects wireless devices together, and can op-

tionally provide connection to a wired network in order to provide further services

to wireless clients, such as Internet connection or file sharing.

If you want to switch your Corinex Wireless G USB Mini Adapter to access point

mode, go to the main screen of the configuration utility and select Access Point

from the Mode list in the upper right corner of the window. The Corinex Wireless G

USB Mini Adapter will be switched to access point mode immediately and the win-

dow will show the basic information as follows:

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Configuration

NOTE: In the picture shown above, the access point operates on channel

11, its SSID is Corinex, it uses no encryption, and it transmits with maximum

power. There is a station associated with the access point, at MAC address

00:0F:66:96:40:04.

In the section Connect Station List, you will see the MAC addresses of all wireless

stations connected to your access point.

For further configuration, please click on Options. The following window will ap-

pear.

3.2.1 General Connection Settings

In this section, after clicking on Unlock you can configure the basic connection set-

tings for the access point. Please see the following table for details on each option.

Setting

Description

Channel

Operating channel of the access point.

Network The following options are available:

Mode Mixed Mode – both 802.11b and 802.11g compatible devices can

connect to this access point.

802.11b only – only 802.11b devices can connect to this access

point.

802.11g only - only 802.11g devices can connect to this access

point.

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Configuration

Setting

Description

SSID

This is the identification of your wireless access point.

Hide SSID If you don’t want to announce the presence of your wireless access

point to the world, click this checkbox.

TX Power You can switch between four transmission power levels. Value 0

means maximum output power, value 3 means minimum power. This

setting will reduce the effective range of your access point.

Click Apply to save your changes.

3.2.2 WEP

The communication between the access point and the wireless clients can be en-

crypted with 64-bit, 128-bit or 256-bit strong WEP encryption. Selecting an option

from the list, you can either disable WEP, or set one of the three WEP encryptions.

To set-up parameters for WEP, click on WEP Key. The following window will ap-

pear.

Click Unlock to enable changes to be made. Please see the following table for de-

tails on each setting.

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Configuration

Setting

Description

Key Length You can select 64-, 128- or 256-bit encryption.

Default Key Indicates, which of the four keys will be used by default.

Key Format You can choose whether you want to enter the WEP keys in hexa-

decimal (0-9, A-F) or ASCII format (characters, case sensitive).

Key Value

1-4

The four encryption keys. Characters display as asterisks on-screen

(*).

The next table lists the required lengths of the different keys, depending on the Key

Length setting.

Key Length

Length in hexa- Length in

decimal format ASCII format

64-bit

128-bit

256-bit

After setting all the parameters, please click Apply to save the settings and close the

window by clicking the x button located in the top right corner of the window.

3.2.3 Authentication Mode

For the authentication of wireless clients on the access point, you can select be-

tween Open System and Shared Key authentication. Please see the following

table for details:

Authentication Description

Type

Open System

The simplest authentication method. The client sends out a

request and the access point authenticates it. There is no en-

cryption.

Shared Key

This method uses a WEP-encrypted password for authentica-

tion. The client is authenticated by the access point only if the

passwords match.

NOTE: For Shared Key authentication details, please see the description of

the WEP settings above.

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Configuration

3.2.4 Fragmentation Threshold

In case of interference in the wireless channel, or weak coverage, the Corinex Wire-

less G USB Mini Adapter can fragment frames to optimize performance. It will divide

the frames into smaller pieces and send them separately to the recipient. Only data

packets are fragmented, the broadcast and multicast packets are transmitted un-

changed.

The threshold value means the maximum size of an unfragmented packet. Any

frame larger than that threshold will be fragmented. If there are no packet losses in

the wireless media, the value should be unchanged. If you experience collisions, try

to lower the threshold to approx. 1000 bytes. If the network performs well at this

setting, you can try higher values until you find the optimal performance.

The default value of the threshold is 2346 bytes.

3.2.5 RTS/CTS

The 802.11 standard includes the RTS/CTS (Request to Send/Clear to Send) func-

tion to control access of the wireless stations to the wireless medium. If two wire-

less stations are transmitting packets to the access point at the same time, the access

point will not be able to handle both, and one of the stations will have to repeat the

transmission.

If the RTS/CTS function is enabled, the station will initiate a handshake with the

destination device (access point). After the access point finishes all pending opera-

tions, it confirms that the station can send the packet. This improves performance

by avoiding repeat transmissions of the same data.

The threshold value is the maximum size of a packet which can be sent without ac-

tivating the RTS/CTS handshake. Sending a packet with a size larger than the thresh-

old value will activate the RTS/CTS handshake before transmission can begin.

Since the RTS/CTS function is only initiated on the client side, these settings can

be ignored while the Corinex Wireless G USB Mini Adapter is set to Access Point

mode.

By default, the RTS/CTS function is disabled– the threshold is set to 2347 bytes.

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Configuration

3.2.6 Preamble

If all wireless clients and access points in your wireless network support Short

Preamble, then enabling it can enhance the performance. However, if any wireless

device does not support Short Preamble, then it will not be able to communicate

with your network. Long Preamble is the default setting and allows connection to

all wireless devices.

3.2.7 MAC Address Filter

In the access point mode, you can either allow or block specific wireless clients from

connecting to the access point. A typical example application of the MAC Address

Filter would be to allow only your home wireless devices to connect to your access

point and share the Internet connection. If you want to set up the MAC Address

Filter, please click the Options button next to the MAC Address Filter label. The

following window will appear.

Click Unlock to enable changes to be made.

From the Filter Type list, you can select three options which are described in the

table below.

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Configuration

Mode

Description

Disabled The MAC Address filter is disabled - all clients can access your net-

work.

Only wireless clients at the specified MAC Addresses can access your

network. No other wireless clients can connect to your access point

Reject

Wireless clients at the specified MAC addresses are blocked from ac-

cessing your network. Any and all other wireless clients can connect.

If you select the Accept or Reject mode, enter the MAC addresses you wish to

allow or block. Each MAC address has to be entered as a 12 hexadecimal number

without any delimiters (no commas, colons, spaces, etc.).

After setting up the MAC Address Filter, please click on Apply and close the

window.

3.2.8 Bridge Adapter

In access point mode, you may want to provide additional connection possibilities

for the wireless clients. Because the Corinex Wireless G USB Mini Adapter doesn’t

have an Ethernet port, and is connected directly to your PC, you may want to set up

bridging between the wireless connection and some other network card.

For example, if your computer has an Ethernet connection providing Internet to

your PC, you can bridge the wireless connection with your Ethernet card, so that

wireless clients will get access to your Internet connection. In order to do this, se-

lect your Ethernet card from the list of network adapters, as shown in the example

below.

The wireless clients will get full access to your Internet connection, they can use the

services provided by DHCP servers in the wired network, and will gain access to

shared resources and devices, such as network printers.

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Troubleshooting

4 Troubleshooting

Problem

Solution

The computer doesn’t recog- Make sure the drivers have been installed from

nize the Corinex Wireless G USB the CD. Please refer to this user guide in order

Mini Adapter.

to successfully install the Corinex Wireless G USB

Mini Adapter with your system.

The LED on the Corinex Wire- Make sure the Corinex Wireless G USB Mini

less G USB Mini Adapter is off. Adapter is inserted properly into the USB port

of your PC and that the drivers are correctly in-

stalled.

The LED is always on, not Make sure the drivers have been installed from

blinking.

the CD.

The LED is blinking but the Make sure the Configuration Utility has been

Corinex Wireless G USB Mini installed from the CD.

Adapter icon does not appear

in the system tray.

I’m seeing very poor network Try selecting another channel for communica-

performance.

tions or moving your device physically closer to

the Access Point.

I cannot connect to an access Make sure that you have set the network type

point.

to Infrastructure mode, you have the correct

SSID, exactly the same as the SSID at the access

point. If encryption is on at the access point, set

the same password and other options on your

Corinex Wireless G USB Mini Adapter.

I can connect to the access Please check to see if encryption is on at the ac-

point, but not to the Internet. cess point. Set your Corinex Wireless G USB Mini

Adapter encryption settings exactly the same as

those at the access point.

I cannot connect directly to an- Make sure you have set your Corinex Wireless G

other wireless device.

USB Mini Adapter to Ad-Hoc mode and that you

have correct SSID and other settings.

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Glossary

5 Glossary

IEEE 802.11 Standard

The IEEE 802.11 Wireless LAN standards subcommittee, which is formulating a

standard for the industry.

Access Point

An internetworking device that seamlessly connects wired and wireless networks

together.

Ad Hoc

An Ad Hoc wireless LAN is a group of computers, each with a WLAN (wireless local

area network) adapter, connected as an independent wireless LAN. Ad Hoc wire-

less LAN is applicable at a departmental scale for a branch or SOHO operation.

BSSID

A specific Ad Hoc LAN is called a Basic Service Set (BSS). Computers in a BSS must

be configured with the same BSSID.

DHCP

Dynamic Host Configuration Protocol - a method in which IP addresses are assigned

by the server dynamically to clients on the network. DHCP is used for Dynamic IP

Addressing and requires a dedicated DHCP server on the network.

Direct Sequence Spread Spectrum

This is the method wireless cards use to transmit data over the frequency spectrum.

The other method is frequency hopping. Direct sequence spreads the data over

one frequency range (channel), while frequency hopping jumps from one narrow

frequency band to another many times per second.

ESSID

An Infrastructure configuration could also support roaming capability for mobile

workers. More than one BSS can be configured as an Extended Service Set (ESS).

Users within an ESS could roam freely between BSSs while served as a continuous

connection to the network wireless stations and Access Points within an ESS must

be configured with the same ESSID and the same radio channel.

Ethernet

Ethernet is a 10/100Mbps network that runs over dedicated home/office wiring.

Users must be wired to the network at all times to gain access.

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Glossary

IGateway

A gateway is a hardware and software device that connects two dissimilar systems,

such as a LAN and a mainframe. In Internet terminology, a gateway is another name

for a router. Generally a gateway is used as a funnel for all traffic to the Internet.

IEEE

Institute of Electrical and Electronics Engineers

Infrastructure

An integrated wireless and wired LAN is called an Infrastructure configuration. Infra-

structure is applicable to enterprise scale for wireless access to a central database,

or wireless applications for mobile workers.

ISM Band

The FCC and their counterparts outside the U.S. have set aside bandwidth for un-

licensed use in the so-called ISM (Industrial, Scientific and Medical) band. Spectrum

in the vicinity of 2.4 GHz, in particular, is being made available worldwide. This

presents a truly revolutionary opportunity to place convenient high-speed wireless

capabilities in the hands of users around the globe.

Local Area Network (LAN)

A LAN is a group of computers, each equipped with the appropriate network

adapter card connected by cable/air, that share applications, data, and peripherals.

All connections are made via cable or wireless media, but a LAN does not use tel-

ephone services. It typically spans a single building or campus.

Network

A network is a system of computers that is connected. Data, files, and messages can

be transmitted over this network. Networks may be local or wide area networks.

Protocol

A protocol is a standardized set of rules that specify how communication is to take

place, including the format, timing, sequencing and/ or error checking.

Roaming

In an infrastructure network, this is when a wireless PC moves out of range of the

previously connected access point and connects to a newly connected access point.

Throughout the network environment where access points are deployed, PCs can

always be connected, regardless of where they are located.

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Glossary

SSID

A Network ID unique to a network. Only clients and Access Points that share the

same SSID are able to communicate with each other. This string is case-sensitive.

Simple Network Management Protocol (SNMP)

Simple Network Management Protocol is the network management protocol of

TCP/IP. In SNMP, agents-which can be hardware as well as software-monitor the

activity in the various devices on the network and report to the network console

workstation. Control information about each device is maintained in a structure

known as a management information block.

Static IP Addressing

A method of assigning IP addresses to clients on the network. In networks with

Static IP address, the network administrator manually assigns an IP address to each

computer. Once a Static IP address is assigned, a computer uses the same IP address

every time it reboots and logs on to the network, unless it is manually changed.

Temporal Key Integrity Protocol (TKIP)

The Temporal Key Integrity Protocol, pronounced tee-kip, is part of the IEEE

802.11i encryption standard for wireless LANs. TKIP is the next generation of WEP,

the Wired Equivalency Protocol, which is used to secure 802.11 wireless LANs.

TKIP provides per-packet key mixing, a message integrity check and a re-keying

mechanism, thus fixing the flaws of WEP.

Transmission Control Protocol / Internet Protocol (TCP/IP)

TCP/IP is the protocol suite developed by the Advanced Research Projects Agency

(ARPA). It is widely used in corporate Internet works, because of its superior design

for WANs. TCP governs how packets are sequenced for transmission across the

network. The term “TCP/IP” is often used generically to refer to the entire suite of

related protocols.

Transmit / Receive

The wireless throughput in Bytes per second averaged over two seconds.

Wi-Fi Alliance

The Wi-Fi Alliance is a nonprofit international association formed in 1999 to

certify interoperability of wireless Local Area Network products based on IEEE

802.11 specification. The goal of the Wi-Fi Alliance’s members is to enhance the

user experience through product interoperability. The organization was formerly

known as WECA.

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Glossary

Wi-Fi Protected Access (WPA)

The Wi-Fi Alliance put together WPA as a data encryption method for 802.11 wire-

less LANs. WPA is an industry-supported, pre-standard version of 802.11i, utilizing

the Temporal Key Integrity Protocol (TKIP), which fixes the problems of WEP, in-

cluding using dynamic keys.

Wide Area Network (WAN)

A WAN consists of multiple LANs that are tied together via telephone services and/

or fiberoptic cabling. WANs may span a city, a state, a country, or even the world.

Wired Equivalent Privacy (WEP)

Now widely recognized as flawed, WEP is a data encryption method used to protect

the transmission between 802.11 wireless clients and APs. However, it uses the

same key among all communicating devices. WEP’s problems are well-known, in-

cluding an insufficient key length and no automated method for distributing the keys.

WEP can be easily cracked in a couple of hours with off-the-shelf tools.

Wireless LAN (WLAN)

A wireless LAN does not use cable to transmit signals, but rather uses radio or

infrared to transmit packets through the air. Radio Frequency (RF) and infrared are

commonly used types of wireless transmission. Most wireless LANs use spread

spectrum technology. It offers limited bandwidth, usually under 11Mbps, and users

share the bandwidth with other devices in the spectrum; however, users can oper-

ate a spread spectrum device without licensing from.

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