54/108Mbps Super G Wireless LAN USB Adapter WL-U357v2 User’s Manual (Version 1.
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This equipment complies with all the requirements of DIRECTIVE 1999/5/CE OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 9 March 1999 on radio equipment and telecommunication terminal Equipment and the mutual recognition of their conformity (R&TTE) The R&TTE Directive repeals and replaces in the directive 98/13/EEC (Telecommunications Terminal Equipment and Satellite Earth Station Equipment) As of April 8,2000.
Contents 1. Introduction ...............................................................................................1 1.1 Features ................................................................................................1 1.2 Application .............................................................................................1 1.3 Specification ..........................................................................................3 1.4 Package Contents ....................................
1. Introduction Complying with the IEEE 802.11g standard, WL-U357v2 provides simple, reliable, high-speed wireless connectivity for both desktop and laptop users. By combining two, state-of-the-art technologies - USB 2.0 and Super G WL-U357v2 provides up to 108Mbps data rate in 2.4GHz unlicensed ISM band.
wireless signals. For enterprise users, the installation of multiple Access Points to enlarge the coverage of wireless signals can provide wireless users with seamless network access. The Infrastructure mode is appropriate for enterprise-scale wireless access to a central database or provides various wireless applications for mobile users. Infrastructure mode also supports roaming capabilities for mobile users. More than one BSS can be configured as an Extended Service Set (ESS).
General Application WL-U357v2 offers a fast, reliable, cost-effective solution for wireless access to the various network scenarios: 1. Remote access to corporate network for information E-mail, file transfer and terminal service. 2. Difficult-to-wire environments Historical or old buildings, public occasions, venues and open area where it is difficult to wire. 3. Frequently changing environments Factories, Retailers, and Offices that frequently change locations and rearrange the workplace 4.
Emission type Direct Sequence Spread Spectrum (DSSS) Technology RF Modulation OFDM with BPSK, QPSK, 16QAM, 64QAM 15dBm RF Output Power Data Rate 802.11b: 1, 2, 5.5, 11Mbps 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps Super G: up to 108Mbps 64/128bit WEP Security WPA-PSK / WPA2-PSK WPA / WPA2 Antenna Internal Patch Antenna IEEE802.11b: 2Mbps (QPSK): -87dBm 11 Mbps (QPSK): -82dBm (Typically @PER < 8% packet size 1024 and @25ºC + 5ºC) IEE802.
1.5 Minimum System Requirements Before installation, please check the following requirements with your equipment. • Pentium Based (above) IBM-compatible PC system with one vacancy USB 1.1/2.0 port • • • CD-ROM drive Windows 98SE/2000/ME/XP and Server 2003 At least 5MBytes of free disk space for utility and driver installation 1.6 Installation Considerations z z z Beware of the walls and ceilings. Each wall or ceiling can reduce your wireless cover range form 3-90 feet.
2. Installation Procedure Before you proceed with the installation, it is necessary that you have enough information about the Wireless USB Adapter. Follow the procedure described below in this chapter to install the USB adapter under Windows 98SE/ME/2000/XP. 2.1 Utility & Driver Installation The following installation operates under Window XP. The procedure also applies to Windows 98SE/ME/2000.
4. You can click “Browse” to specify the Destination Folder that you want to install the utility. Or keep the default setting and click ”Next” to continue. 5. You can change the Program Folder name as you wish or use the default name to continue. Please click “Next” for next step.
6. 7. Installation will start copy driver and utility to your OS. When this dialog box appear, please click “Continue Anyway”.
8. 9. Please click “Finish” to complete the installation.
2.2 Hardware Installation 1. After PC restart. Please select the correct Country Domain in the pull down list and press “OK” to continue. 2. Please connect WL-U357 to your PC’s USB port. If your PC’s USB interface is not USB 2.0, Windows will prompt you there is a High-Speed device connect to non-High-Speed USB hub. Please don’t worry about this and keep installing. 3. After properly connect the WL-U357 to your PC, Windows will detect WL-U357 and show you this dialog box.
select “Continue Anyway” to continue. 5. After the driver installation complete appears. 11 Please click “Finish”.
3. Configuration 3.1 Link Information The default page is as below after you launch the Utility program. Status: Shows the SSID associated, which can be used to identify the wireless network. SSID: Shows current SSID, which must be the same for the wireless client and AP in order for communication to be established. Frequency: Shows the current frequency used for wireless network. Wireless Mode: Shows the current wireless mode used for wireless communication.
3.2 Configuration This is the page where you can change the basic settings of the Access Point with the minimum amount of effort to implement a secure wireless network environment. SSID: Service Set Identifier, which is a unique name shared among all clients and nodes in a wireless network. The SSID must be identical for each clients and nodes in the wireless network.
European (ETSI) domain and 1 to 14 for Japanese domain. Power Mode: There are 3 modes to choose. ●Continuous Access Mode (default) – the USB Dongle is constantly operating with full power and it consumes the most power. ●Maximum Power Save – the USB Dongle consumes the least power and only operates when there is wireless network activity. ●Power Save – the USB Dongle consumes the moderate level of power. Preamble: Select Long or Short Preamble type.
Auth. Mode: 5 options are available: Open System, Share key, Auto, WPA/WPA2, WPA-PSK/WPA2-PSK and Disable. Select Open System, Share key or Auto for WEP data encryption feature. If one of the three options is selected, it is required to configure the following settings from the next dropping list. If WPA/WPA2 is selected, configuration is enabled. Please click the “configuration”. The below window is pop up.
If WPA-PSK/WPA2-PSK is selected, click the configuration button. popping window is as the below. Please enter the key. The The following will only be activated to allow for configuration when Open System, Share Key or Auto is enabled in “Auth. Mode”. Default Key: select one of the 4 keys to use. Network Key: choose the encryption way, either in HEX or ASCII formats, and enter the password in the blank space. Key Length: select 64 or 128 bits as the length of the keys Key Format: ASCII or HEX 3.
Available Network – displays the wireless networks (wireless clients and Access Points) that are in your signal range. Select any one of them to establish communications by simply mouse double-click or click on the “Connect” button. Click “Refresh” button to start scanning for available network again. Profile – You can create and manage the created profiles for Home, offices or public areas.
3.5 About US This page displays some information about the 108Mbps Wireless Network USB Dongle utility, which includes the version numbers for Driver, Firmware and Utility. When there is new version of software available for upgrade, you will be able to identify by version numbers.
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4. Glossary Access Point: An internetworking device that seamlessly connects wired and wireless networks. Ad-Hoc: An independent wireless LAN network formed by a group of computers, each with a network adapter. AP Client: One of the additional AP operating modes offered by 54Mbps Access Point, which allows the Access Point to act as an Ethernet-to-Wireless Bridge, thus a LAN or a single computer station can join a wireless ESS network through it.
Bit: A binary digit, which is either -0 or -1 for value, is the smallest unit for data. Bridge: An internetworking function that incorporates the lowest 2 layers of the OSI network protocol model. Browser: An application program that enables one to read the content and interact in the World Wide Web or Intranet. BSS: BSS stands for “Basic Service Set”. It is an Access Point and all the LAN PCs that associated with it.
DSSS: Direct Sequence Spread Spectrum. DSSS generates a redundant bit pattern for each bit to be transmitted. This bit pattern is called a chip (or chipping code). The longer the chip, the greater the probability that the original data can be recovered. Even if one or more bits in the chip are damaged during transmission, statistical techniques embedded in the radio can recover the original data without the need for retransmission.
Gateway: a device that interconnects networks with different, incompatible communication protocols. HEX: Hexadecimal, HEX, consists of numbers from 0 – 9 and letters from A – F. IEEE: The Institute of Electrical and Electronics Engineers, which is the largest technical professional society that promotes the development and application of electrotechnology and allied sciences for the benefit of humanity, the advancement of the profession.
Preamble Type: During transmission, the PSDU shall be appended to a PLCP preamble and header to create the PPDU. Two different preambles and headers are defined as the mandatory supported long preamble and header which interoperates with the current 1 and 2 Mbit/s DSSS specification as described in IEEE Std 802.11-1999, and an optional short preamble and header. At the receiver, the PLCP preamble and header are processed to aid in demodulation and delivery of the PSDU.
Throughput: The amount of data transferred successfully from one point to another in a given period of time. WEP: Wired Equivalent Privacy (WEP) is an encryption scheme used to protect wireless data communication. To enable the icon will prevent other stations without the same WEP key from linking with the AP.
5. Troubleshooting This section provides solutions to problems usually encountered during the installation and operation of the USB adapter. Read the description below to diffuse your doubts. What is the IEEE 802.11g standard? 802.11g is the latest IEEE standard for high-speed WLAN communications that provides up to 54Mbps data rate in the 2.4GHZ band. It has become the mainstream technology of current WLAN networks.
new generation and has been incorporated into the newly-approved security standard 802.11i. It supports 128, 192 and 256-bit encryption key length and adopts Rijndael algorithm. It is widely believed it is impossible to crack AES. What is DSSS? What is FHSS? And what are their differences? Frequency-hopping spread-spectrum (FHSS) uses a narrowband carrier that changes frequency in a pattern that is known to both transmitters and receivers.
