Trendnet TEW-604UB User Manual

FCC Warning statement:

This equipment has been tested and found to comply with the limits for a Class B digital device,

pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection

against harmful interference in a residential installation. This equipment generates, uses and can

radiate radio frequency energy and, if not installed and used in accordance with the instructions,

may cause harmful interference to radio communications. However, there is no guarantee that

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

interference to radio or television reception, which can be determined by turning the equipment off

and on, the user is encouraged to try to correct the interference by one or more of the following

measures:

-Reorient or relocate the receiving antenna.

-Increase the separation between the equipment and receiver.

-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

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

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.
(2) This device must accept any interference received, including interference that may cause undesired
operation.

1. This Transmitter must not be co-located or operating in conjunction with any other antenna or

transmitter.

2. This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled

environment. This equipment should be installed and operated with a minimum distance of 20
centimeters between the radiator and your body.

3. Any changes or modifications (including the antennas) made to this device that are not expressly

approved by the manufacturer may void the user’s authority to operate the equipment.

TRENDnet declares that TEW-604UB, (FCC ID: S9ZTEW604UB) is limited in CH1~ CH11 for 2.4 GHz

by specified firmware controlled in U.S.A.

CE Mark Warning

This is a Class B product. In a domestic environment, this product may cause radio interference, in
which case the user may be required to take adequate measures.

This transmitter must not be co-located or operation in conjunction with any other antenna or
transmitter.

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Table of Contents

Federal Communications Commission (FCC) Interference statement 2
CE Mark Warning 2

Chapter 1 – Wireless LAN Networking

Transmission Rate 4

Type of Wireless Networks 4
Ad-Hoc (IBSS) Network 4
Infrastructure (BSS) Network 5
Wireless LAN Security 7
Data Encryption with WEP 8

Chapter 2 - Getting Started

About Your Super G Smart Wireless USB 2.0 Adapter 9

Package Content 9

System Requirement 9

LED Definition 9

Wireless Utility and Adapter Hardware Installation 10

Using the Utility to Configure Your Network 14

Link Information 15

Site Survey 16

Profile 17

Chapter 3 – Maintenance

Uninstalling the Driver 22

Uninstall the Client Utility 22

Upgrading the Wireless Utility 22

Glossary 23

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Chapter 1- Wireless LAN Networking

This section provides background information on wireless LAN networking technology.

T

HE INFORMATION IN THIS SECTION IS FOR YOUR REFERENCE. CHANGING

NETWORK SETTINGS AND PARTICULARLY SECURITY SETTTINGS SHOULD
ONLY BE DONE BY AN AUTHORIZED ADMINISTRATOR.

Transmission Rate (Transfer Rate)

The adapter provides various transmission (data) rate options for you to select. Options
include Fully Auto, 1 Mbps, 2 Mbps, 5.5 Mbps, 11 Mbps, 6 Mbps, 9 Mbps, 12 Mbps, 18 Mbps,
22 Mbps, 24 Mbps, 36 Mbps, 48 Mbps, 54 Mbps and 108Mbps. In most networking
scenarios, the factory default Fully Auto setting proves the most efficient. This setting allows
your adapter to operate at the maximum transmission (data) rate. When the communication
quality drops below a certain level, the adapter automatically switches to a lower
transmission (data) rate. Transmission at lower data speeds is usually more reliable.
However, when the communication quality improves again, the adapter gradually increases
the transmission (data) rate again until it reaches the highest available transmission rate.

Types of Wireless Networks

Wireless LAN networking works in either of the two modes: ad-hoc and infrastructure. In
infrastructure mode, wireless devices communicate to a wired LAN via access points. Each
access point and its wireless devices are known as a Basic Service Set (BSS). An Extended
Service Set (ESS) is two or more BSSs in the same subnet. In ad hoc mode (also known as
peer-to-peer mode), wireless devices communicate with each other directly and do not use
an access point. This is an Independent BSS (IBSS).

To connect to a wired network within a coverage area using access points, set the adapter
operation mode to Infrastructure (BSS). To set up an independent wireless workgroup without
an access point, use Ad-hoc (IBSS) mode.

A

D-HOC (IBSS) NETWORK

Ad-hoc mode does not require an access point or a wired network. Two or more wireless
stations communicate directly to each other. An ad-hoc network may sometimes be referred
to as an Independent Basic Service Set (IBSS).

To set up an ad-hoc network, configure all the stations in ad-hoc mode. Use the same SSID
and channel for each.

4

When a number of wireless stations are connected using a single access point, you have a
Basic Service Set (BSS).

5

In the ESS diagram below, communication is done through the access points, which relay
data packets to other wireless stations or devices connected to the wired network. Wireless
stations can then access resources, such as a printer, on the wired network.

In an ESS environment, users are able to move from one access point to another without
losing the connection. In the diagram below, when the user moves from BSS (1) to BSS (2)
the adapter automatically switches to the channel used in BSS (2).

Roaming in an ESS network diagram

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WIRELESS LAN SECURITY

Because wireless networks are not as secure as wired networks, it is vital that security
settings are clearly understood and applied.

The list below shows the possible wireless security levels on your adapter starting with the
most secure. EAP (Extensible Authentication Protocol) is used for authentication and utilizes
dynamic WEP key exchange. EAP requires interaction with a RADIUS (Remote
Authentication Dial-In User Service) server either on the WAN or the LAN to provide
authentication service for wireless stations.

1. Wi-Fi Protected Access (WPA)

2. IEEE802.1X EAP with RADIUS Server authentication

3. WEP Encryption

4. Unique ESSID

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D ATA E NCRYPTION WITH WEP

The WEP (Wired Equivalent Privacy) security protocol is an encryption method designed to try
to make wireless networks as secure as wired networks. WEP encryption scrambles all data
packets transmitted between the adapter and the access point or other wireless stations to
keep network communications private. Both the wireless stations and the access points must
use the same WEP key for data encryption and decryption.

DO NOT ATTEMPT TO CONFIGURE OR CHANGE SECURITY SETTTINGS FOR A

NETWORK WITHOUT AUTHORIZATION AND WITHOUT CLEARLY UNDERSTANDING
THE SETTINGS YOU ARE APPLING.
DATA YOU SEND CAN BE SEEN BY OTHERS.

There are two ways to create WEP keys in your adapter.

• Automatic WEP key generation based on a password phrase called a passphrase.
The passphrase is case sensitive. You must use the same passphrase for all WLAN
adapters with this feature in the same WLAN.

WITH POOR SECURITY SETTINGS, SENSITIVE

• For WLAN adapters without the passphrase feature, you can still take advantage of
this feature by writing down the four automatically generated WEP keys from the
Security Settings screen of the wireless utility and entering them manually as the WEP
keys in the other WLAN adapter(s).

The adapter allows you to configure up to four WEP keys and only one key is used as the
default transmit key at any one time.

T

HE adapter SUPPORTS UP TO FOUR 64-BIT, 128-BIT, AND 152-BIT WEP KEYS. THE 152-BIT

WEP

MUST COMPLY WITH THE WEP SETTING OF YOUR ACCESS POINT OR ROUTER.

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Chapter 2 - Getting Started

This chapter introduces the Adapter and prepares you to use the Wireless Utility.

2.1 About Your Super G Smart Wireless USB 2.0 Adapter

The Adapter is an 802.11b, and 802.11g compliant wireless LAN adapter. With the Adapter, you can
enjoy wireless mobility within almost any wireless networking environment.

The following lists the main features of your Adapter.

9 Your Adapter can communicate with other IEEE 802.11b/g compliant wireless devices.
9 Automatic rate selection.
9 Standard data transmission rates up to 54 Mbps
9 Proprietary Atheros transmission rates of 108 Mbps
9 Offers 64-bit, 128-bit and 152-bit WEP (Wired Equivalent Privacy) data encryption for

network security.

9 Supports IEEE802.1x, WPA/WPA2, WPA-PSK/WPA2-PSK (Wi-Fi Protected Access).
9 Low CPU utilization allowing more computer system resources for other programs.
9 Smart Antenna design.
9 Driver support for Windows 98SE/ME/2000/XP.

2.2 Package Content

¾ Super G Smart Wireless USB 2.0 Adapter
¾ Driver and Utility CD-ROM
¾ Multi-Language Quick Installation Guide

2.3 System Requirement

z Pentium class notebook computers with at least one available USB slot
z Microsoft Windows 98SE/ME/2000/XP
z CD-ROM drive

2.4 LED Definition

The following table describes the LED on the Super G USB 2.0 WLAN Adapter

LED COLOR STATUS DESCRIPTION

ANT_R Green

ANT_M Green

ANT_L Green

LINK Green

ON The right antenna is enabled
OFF The right antenna is disabled
ON The middle antenna is enabled
OFF The middle antenna is disabled
ON The left antenna is enabled
OFF The left antenna is disabled
OFF The Adapter has no connection
Blinking Slowly The Adapter is connected
Blinking The Adapter is sending or receiving data

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2.5 Wireless Utility & Adapter Hardware Installation

NOTE: Please do not connect the USB adapter until instructed to do so.

Follow the instructions below to install the USB Adapter and Utility.

STEP 1

Insert the Driver and Utility CD into CD drive

STEP 2

When installation window appears, click Install Utility to continue.

STEP 3

The InstallShield Wizard prepares for installation.

STEP 4

The InstallShield Wizard prompts you for confirmation. Click Next on the following menu.

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STEP 5

In the destination Folder screen you are asked to confirm the Destination Folder for the application
software. If you would like, you may change the destination folder to another location. Click Next

STEP 6

The wizard is ready to begin installation. Click Install on it.

STEP 7

At the Software Installation menu click Continue Anyway.

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STEP 8

Click Finish to complete the client utility installation.

STEP 9

At this moment please insert your USB Adapter to your Laptop, After the following window pop up,
click Next on the Fund New Hardware Wizard

STEP 10

Choose “Install the software automatically”, and click Next.

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STEP 11

Click “Continue Anyway”.

STEP 12

Click Finish to complete the installation.

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2.6 Using the Utility to Configure Your Network

The following are explanations on how to configure and use the Utility program. After completing the
installation procedure, a new icon as shown below will automatically appear in the lower right tray bar.

Hold your mouse pointer over the icon, and press the right mouse button to open the Wireless Client
Utility.

The Wireless Client Utility window as shown below will appear.

The user can now use any of the management functions available in the IEEE 802.11 Wireless Client
Utility.

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2.6.1 Link Information

Click the Link Information tab to see general information about the program and its operation.

The following table describes the items found on the Link Information screen.

Wireless Network Status

Profile Name

Link Status

Network Type

Wireless Mode

Channel

Transmit Rate

AP MAC Address

Security

The name of the current selected configuration profile. Set up the
configuration name on the Profile tab.

SSID

Displays the wireless network name.

Shows whether the station is associated to the wireless network.

The type of network the station is connected to. The options include:

Infrastructure (access point)

Ad Hoc

Displays the wireless mode. 802.11g or 11b

Shows the currently connected channel.

Displays the current transmit rate in Mbps.

Displays the MAC address of the access point the wireless adapter is
associated to.

Security Status

Shows the security type – Disable, WEP, WPA/WPA2,
WAP-PSK/WAP2-PSK or 802.1X

Authentication

IP Address

Subnet Mask

Gateway

DNS Server

Algorithm State

Beacons

Remaining

Last Beacon RSSI

Antenna Mode

Displays the authentication mode.

TCP/IP Status

Displays the computer's IP address.

Displays subnet mask

Displays gateway address

Display DNS server address

Smart Antenna Status

Three states will be shown.

 Startup – device enabled
 Initial_scan – initial scan or re-scan after device enabled
 Sustained_use – one of the three antennas is enabled

To show you how many beacons remaining to do re-scan (total 1200
becans)

Shows the strength of the signal.

Four modes selection

 Omni – select this mode to use the omni antenna
 Right – select this mode to use the right antenna
 Left – select this mode to use the left antenna
 Auto – select this mode to enable auto antenna selection

by utility, depending on the signal strength received by the
three antennas. Utility will re-scan signal strength for every
two minutes.

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2.6.2 Site Survey

Click the Site Survey tab to see available infrastructure and ad hoc networks.

On this screen, click Refresh to refresh the list at any time.

Connecting to a different network

Hold your mouse pointer over the network icon, and click the right mouse button to select the network.

Click the Connect button to connect the available network. If no configuration profile exists for that

network, the Profile Settings window opens to ask to create a profile for the network. Follow the

procedures to create profile for that network.

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2.6.3 Profile

To add a new configuration profile, click Add on the Profile tab.
To modify a configuration profile, select the configuration from the Profile list and click the Edit button.

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Scan Available Networks

Click the Browse button on the Profile Settings screen to scan for available infrastructure and ad hoc

networks. On this list, click Refresh to refresh the list at any time.

To configure a profile for Ad-Hoc or Infrastructure mode, select the Network Type field on the Profile
Settings.

Click Next to continue the profile setting.

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To define the security mode, select the security button of the desired security mode. And then click

Next to continue. Please see following table for details of security modes.

WPA/WPA2

Enables the use of Wi-Fi Protected Access (WPA).

Choosing WPA/WPA2 opens the WPA/WPA2 Security Settings
screen. The options include:

TLS (Transport Layer Security) is a Point-to-Point Protocol

(PPP) extension supporting additional authentication methods
within PPP. Transport Layer Security (TLS) provides for mutual
authentication, integrity-protected cipher suite negotiation, and key
exchange between two endpoints.

PEAP (EAP-GTC) (Protected Extensible Authentication

Protocol) authenticates wireless LAN
server

-side digital certificates by creating an encrypted SSL/TLS
tunnel between the client and the authentication
then protects the subsequent user authentication exchange.

clients using only

server. The tunnel

PEAP (EAP-MSCHAP V2) (Protected Extensible

Authentication Protocol)

To use PEAP (EAP-MSCHAP V2)

security, the server must have WPA-PEAP certificates, and
the server properties must already be set. Check with the IT
manager

TTLS (Tunneled Transport Layer Security) An EAP variant that

provides mutual authentication using a certificate for server
authentication, and via a secure TLS tunnel for the client

WPA-PSK/WPA2-PSK

LEAP (Lightweight and Efficient Application Protocol)

is the general framework for a set of high-performance,
efficient protocols which are ideal for mobile and wireless
applications. LEAP is designed to address all the technical
requirements of the wireless data communications industry,
and is oriented towards providing the greatest benefit to the
industry and the consumer

Enables WPA/WPA2 Passphrase security.

Fill in the WPA/WPA2 Passphrase on Security Settings screen.

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802.1x

Enables 802.1x security. This option requires IT administration.

Choosing 802.1x opens the 802.1x Security Settings screen. The
options include:

TLS , PEAP , TTLS , LEAP

Profile Settings
After Security Settings finished, the Advanced Settings screen will be shown as following.

The following table describes the items found on the Advanced Settings screen.

Power Save Mode

802.11b Preamble

RTS Threshold

FRAG Threshold

Wireless Mode

Shows the power save mode. Power management is disabled in ad
hoc mode. The options include:

z Continuous Access Mode

z

Maximum Power Saving

Fast Power Saving

z

Displays the 802.11b preamble format.

The options include:

z Long

z Short

z Auto

Value from 0 ~ 2347

Value from 256 ~ 2346

Include:

z 802.11b
z 802.11g

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After advance settings are finished, the following screen showed as below.
You can activate the profile now or later.

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Chapter 3 – Maintenance

This chapter describes how to uninstall or upgrade the Wireless Utility.

3.1 Uninstall the Driver

Follow the steps below to remove (or uninstall) the USB Adapter driver from your computer.

Step 1. To remove the driver from the OS, go to Start -> Control Panel

Step 2. Double-click System

Step 3. Under Hardware tab, click Device Manager.

Step 4. Double-click Network Adapter

Step 5. Right-click mouse button on “802.11g Wireless USB Adapter with Smart Antenna”, and

choose Uninstall

Step 6. Click OK to confirm that you are going to uninstall the driver

3.2 Uninstall the Client Utility

Follow the steps below to remove the Client Utility from your computer.

Step 1. To remove the utility from the OS, go to Start -> Control Panel

Step 2. Double-click Add-Remove Programs

Step 3. Select 802.11g Wireless Client Utility, and click the Remove button

3.3 Upgrading the Wireless Utility

To perform the upgrade, follow the steps below.
Step 1. Download the latest version of the utility from the web site and save the file on your

computer.

Step 2. Follow the steps in 3.2 to remove the current Wireless Utility from your computer.

Step 3. Restart your computer if prompted.

Step 4. After restarting, refer to the procedure in the Chapter 2 to install the new utility.

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Glossary

For unfamiliar terms used below, look for entries elsewhere in the glossary.

AD-HOC (IBSS)

Ad-hoc mode does not require an AP or a wired network. A network that transmits
wireless from computer to computer without the use of a base station (access point).

Two or more wireless stations communicate directly to each other. An ad-hoc network
may sometimes be referred to as an Independent Basic Service Set (IBSS).

CHANNEL

A radio frequency used by a wireless device is called a channel.

EAP AUTHENTICATION

EAP (Extensible Authentication Protocol) is an authentication protocol that runs on top of
the IEEE802.1X transport mechanism in order to support multiple types of user
authentication. By using EAP to interact with an EAP-compatible RADIUS server, an
access point helps a wireless station and a RADIUS server perform authentication.

ENCRYPTION

The reversible transformation of data from the original to a difficult-to-interpret format.
Encryption is a mechanism for protecting confidentiality, integrity, and authenticity of data.
It uses an encryption algorithm and one or more encryption keys.

FRAGMENTATION THRESHOLD

This is the maximum data fragment size that can be sent before the packet is fragmented
into smaller packets.

IEEE 802.1X

The IEEE 802.1X standard outlines enhanced security methods for both the authentication
of wireless stations and encryption key management. Authentication can be done using an
external RADIUS server.

INFRASTRUCTURE (BSS)

When a number of wireless stations are connected using a single AP, you have a Basic
Service Set (BSS).

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ROAMING

In an infrastructure network, wireless stations are able to switch from one BSS to another
as they move between the coverage areas. During this period, the wireless stations
maintain uninterrupted connection to the network. This is roaming. As the wireless station
moves from place to place, it is responsible for choosing the most appropriate AP
depending on the signal strength, network utilization among other factors.

SSID

The SSID (Service Set Identity) is a unique name shared among all wireless devices in a
wireless network. Wireless devices must have the same SSID to communicate with each
other.

TEMPORAL KEY INTEGRITY PROTOCOL (TKIP)

Temporal Key Integrity Protocol (TKIP) uses 128-bit keys that are dynamically generated and
distributed by the authentication server.

USER AUTHENTICATION

WPA applies IEEE 802.1X and Extensible Authentication Protocol (EAP) to authenticate
wireless clients using an external RADIUS database. If you do not have an external RADIUS
server, use WPA-PSK/WPA2-PSK (WPA -Pre-Shared Key) that only requires a single (identi­cal) password entered into each access point, wireless gateway and wireless client. As long
as the passwords match, clients will be granted access to a WLAN.

WEP

WEP (Wired Equivalent Privacy) encryption scrambles all data packets transmitted between
the TEW-604UB and the AP or other wireless stations to keep network communications pri­vate. Both the wireless stations and the access points must use the same WEP key for data
encryption and decryption.

WPA/WPA2

Wi-Fi Protected Access (WPA) and WPA2 (future upgrade) is a subset of the IEEE 802.11
i security specification draft. Key differences between WPA and WEP are user
authentication and improved data encryption. WPA2 is a wireless security standard that
defines stronger encryption, authentication and key management than WPA.

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Limited Warranty

TRENDware warrants its products against defects in material and workmanship, under normal use and
service, for the following lengths of time from the date of purchase.

Wireless Products – 3 Years Warranty

If a product does not operate as warranted above during the applicable warranty period, TRENDware
shall, at its option and expense, repair the defective product or part, deliver to customer an equivalent
product or part to replace the defective item, or refund to customer the purchase price paid for the
defective product. All products that are replaced will become the property of TRENDware.
Replacement products may be new or reconditioned.

TRENDware shall not be responsible for any software, firmware, information, or memory data of
customer contained in, stored on, or integrated with any products returned to TRENDware pursuant to
any warranty.

There are no user serviceable parts inside the product. Do not remove or attempt to service the
product by any unauthorized service center. This warranty is voided if (i) the product has been
modified or repaired by any unauthorized service center, (ii) the product was subject to accident,
abuse, or improper use (iii) the product was subject to conditions more severe than those specified in
the manual.

Warranty service may be obtained by contacting TRENDware office within the applicable warranty
period for a Return Material Authorization (RMA) number, accompanied by a copy of the dated proof of
the purchase. Products returned to TRENDware must be pre-authorized by TRENDware with RMA
number marked on the outside of the package, and sent prepaid, insured and packaged appropriately
for safe shipment.

WARRANTIES EXCLUSIVE: IF THE TRENDWARE PRODUCT DOES NOT OPERATE AS
WARRANTED ABOVE, THE CUSTOMER’S SOLE REMEDY SHALL BE, AT TRENDWARE’S OPTION,
REPAIR OR REPLACEMENT. THE FOREGOING WARRANTIES AND REMEDIES ARE EXCLUSIVE
AND ARE IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED OR IMPLIED, EITHER IN FACT OR
BY OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. TRENDWARE NEITHER
ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR IT ANY OTHER LIABILITY
IN CONNECTION WITH THE SALE, INSTALLATION MAINTENANCE OR USE OF TRENDWARE’S
PRODUCTS.

TRENDWARE SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND
EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT IN THE PRODUCT DOES NOT EXIST
OR WAS CAUSED BY CUSTOMER’S OR ANY THIRD PERSON’S MISUSE, NEGLECT, IMPROPER
INSTALLATION OR TESTING, UNAUTHORIZED ATTEMPTS TO REPAIR OR MODIFY, OR ANY
OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE, OR BY ACCIDENT, FIRE,
LIGHTNING, OR OTHER HAZARD.

LIMITATION OF LIABILITY: TO THE FULL EXTENT ALLOWED BY LAW TRENDWARE ALSO
EXCLUDES FOR ITSELF AND ITS SUPPLIERS ANY LIABILITY, WHETHER BASED IN CONTRACT
OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL, CONSEQUENTIAL, INDIRECT,
SPECIAL, OR PUNITIVE DAMAGES OF ANY KIND, OR FOR LOSS OF REVENUE OR PROFITS,
LOSS OF BUSINESS, LOSS OF INFORMATION OR DATE, OR OTHER FINANCIAL LOSS ARISING
OUT OF OR IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE,
PERFORMANCE, FAILURE, OR INTERRUPTION OF THE POSSIBILITY OF SUCH DAMAGES, AND
LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE
PAID, AT TRENDWARE’S OPTION. THIS DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT
BE AFFECTED IF ANY REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE.

Governing Law: This Limited Warranty shall be governed by the laws of the state of California.
AC/DC Power Adapter, Cooling Fan, and Power Supply carry 1 Year Warranty

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