TRENDnet TEW-509UB Bedienungsanleitung

Federal Communication Commission Interference

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 of the following measures:

zReorient or relocate the receiving antenna.

zIncrease the separation between the equipment and receiver.

zConnect the equipment into an outlet on a circuit different from that to which the receiver

is connected.

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

FCC Caution: Any changes or modifications not expressly approved by the party responsible for

compliance could void the user's authority to operate this equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two

conditions: (1) This device may not cause harmful interference, and (2) this device must accept any

interference received, including interference that may cause undesired operation.

IMPORTANT NOTE:

FCC Radiation Exposure Statement:

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

environment.

This device complies with FCC RF Exposure limits set forth for an uncontrolled environment,

under 47 CFR 2.1093 paragraph (d)(2).

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

transmitter.

This device was tested for typical by stander conditions that may occur during use. To comply

with FCC RF exposure requirements a minimum separation distance of 1.5cm must be

maintained between the user’s body and the device, including the antenna.

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.

Table of Contents

Federal Communications Commission (FCC) Interference statement 2

CEMarkWarning 2

Chapter1–WirelessLANNetworking

Transmission Rate 4

TypeofWirelessNetworks 4

Ad-Hoc (IBSS) Network 5

Infrastructure (BSS) Network 5

WirelessLANSecurity 7

DataEncryptionwithWEP 7

Chapter 2 - Getting Started

About Your 802.11b/g Wireless USB2.0 Adapter 8

PackageContent 8

SystemRequirement 8

Wireless Utility and Adapter Hardware Installation 9

Using the Utility to Configure Your Network 12

Link Information 13

SiteSurvey 14

Profile 15

Chapter 3 – HotSpot Features

ChargingtheTEW-509UB 20

Identifying Components 20

LCDDisplay 21

FindingaHotSpot 21

AccessingaHotSpot 21

Chapter 4 – Maintenance

Uninstalling the Driver 22

Uninstall the Client Utility 22

UpgradingtheWirelessUtility 22

Glossary 23

Rev. 1.1

Chapter 1- Wireless LAN Networking

This section provides background information on wireless LAN networking technology.

THE INFORMATION IN THIS SECTION IS FOR YOUR REFERENCE. CHANGING

NETWORK SETTINGSAND PARTICULARLY SECURITY SETTTINGS SHOULD

ONLY BE DONE BYANAUTHORIZEDADMINISTRATOR.

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, and 54Mbps. 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.

AD-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 client.

When a number of wireless stations are connected using a single access point, you have a

Basic Service Set (BSS).

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

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 (ExtensibleAuthentication 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 ServerAuthentication

3. WEP Encryption

4. Unique ESSID

DATA ENCRYPTION 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.

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.

•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.

THE adapter supports 64-BIT, 128-BIT, or 152-BIT WEP Encryptions. THE 152-BIT WEP MUST

COMPLY WITH THE WEP SETTING OF YOURACCESS POINT OR ROUTER.

DONOTATTEMPT TO CONFIGURE OR CHANGE SECURITY SETTTINGS FOR A

NETWORK WITHOUT AUTHORIZATION AND WITHOUT CLEARLY UNDERSTANDING

THE SETTINGS YOUARE APPLING. WITH POOR SECURITY SETTINGS, SENSITIVE

DATAYOU SEND CAN BE SEEN BY OTHERS.

Chapter 2 - Getting Started

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

2.1 About Your 802.11a/b/g Wireless USB2.0 Adapter with HotSpot

Detector

The Adapter is an 802.11a, 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.

9Your Adapter can communicate with other IEEE 802.11a/b/g compliant wireless devices.

9Automatic rate selection.

9Standard data transmission rates up to 54 Mbps

9Offers 64-bit, 128-bit and 152-bit WEP (Wired Equivalent Privacy) data encryption for

network security.

9Supports IEEE802.1x and WPA (Wi-Fi Protected Access).

9Low CPU utilization allowing more computer system resources for other programs.

9A built-in antenna.

9Driver support for Windows Win98SE/ME/2000/XP/2003 Server

2.2 Package Content

¾54Mbps 802.11a/g Wireless USB 2.0 Adapter with HotSpot Detector

¾Driver/Utility CD-ROM

¾Multi-Language Quick Installation Guide

2.3 System Requirement

zPentium class notebook computers with at least one available USB port

zMicrosoft Windows 98SE/ME/2000/XP/2003

zCD-ROM drive

2.4 Wireless Utility & Adapter Hardware Installation

NOTE: Please do not connect the USB adapter unless 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

Autorun window appears automatically, click on Install Utility button to start.

STEP 3

The InstallShield Wizard prepares for installation.

STEP 4

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

STEP 5

In the destination Folder screen you are asked to confirm the Destination Folder for the application

software. Click Next to continue.

STEP 6

The wizard is ready to begin installation. Click Install to start the installation.

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