Instruction/ maintenance manual of the product 4001G Topcom
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S S k k y y r r @ @ c c e e r r U U S S B B 4 4 0 0 0 0 1 1 g g Full User Guide.
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CONTENTS 1.1 Features ......................................................................................................................... 2 1.2 Specifications ......................................................................................
1 Introduction Thank you for purchasing the 802.11g Wirel ess LAN USB Adapter. This USB adapter is de si gned to comply with IEEE 802.11g Wireless LA N standard and easy to carry with the Mini size. It is suitable for any Laptop or Desktop computers. This adaptor supports higher data throughput than the IEEE 802.
1.1 Features • Complies with the IEEE 802.11b and IEEE 802.11g 2.4GHz (DSSS) standards. • High data transfer rate – up to 54Mbps. • Supports Turbo Mode to enhance the data transfe r speed within the specific wirel ess network. • Supports 64/128-bit WEP, WPA (TKIP with IEEE 802.
1.3 Package Contents Before you begin the inst a llation, please check the ite ms of your p ackage. The packag e should include the following items: • One USB Adaptor • One CD (Driver/Utility/User.
2 Installation Procedure Before you proceed with the inst all ation, please notice following descriptio ns. Note1: Please do not install the adaptor into your computer be fore ins talling the software program from the CD. Note2: The following installation was operated under Windows XP.
C. If you need the adaptor to operate with better pe rformance, please choose the “Optimi ze for performance” to enable the Tx Burst mode. Or you ca n choose “Optimize for Wi-Fi mode” to le t the adaptor run in st an dard wireless netwo rk.
D. The system start s to install the sof tware of the adaptor . Please follow the instructions of the program to plug in the adaptor into the USB port of your computer . And the system will automatically detect the adaptor E. Please click “Finish” to complete the installation.
3 Configuration Utility The Topcom Configuration Utility is a powerful a ppl ication that helps you configure the USB adaptor and monitor the link status and the statis tics during the communi cation process. When the adaptor is installed, t he configuration utility will be displayed automatically.
3.1 Site Survey When you open the Topcom Configuration Utility, t he system will scan all the ch a nnels to find all the access points/stations within the acce ssible range of your ad aptor and automatically connect to the wireless device with the highest sign al strength.
3.2 Profile The “Profiles List” is for you to manage the netwo rks you con nect to frequently. You are able to Add/Delete/Edit/Activate a profile. Parameter Description Profiles List The profiles list display all the profiles and the relative setting s of the profiles including Profile Name, SSID, Cha nnel, etc.
3.2.1 Configure the Profile 3.2.1.1 Configuration Parameter Description Profile Name Define a recognizable profile name for you to identify the dif ferent networks. SSID The SSID (up to 32 printabl e ASCII characters) is the unique name identified in a WLAN.
Parameter Description PSM (Power Saving Mode) The power saving func tion is only availab le whe n the network type is in Infrastructure. CAM (Const antly A w ake Mode) – T he adaptor will always set in active mode. PSM (Power Saving Mode) – Enable the adaptor in the power saving mode when it is idle.
Parameter Description RTS Threshold Minimum packet size requi red for an RT S (Request T o Send). For packet s smaller than this threshold, an RTS is not sent and the packet is transmitted direct ly to the wireless network. Select a setting within a range of 0 to 2347 bytes.
Parameter Description Authentication T ype LEAP – LEAP is a pre-EA P , Cisco-proprieta ry protocol, with many of the features of EAP protocol s. Cisco controls the ability of other vendors to implement this protocol, so it shoul d be selected for use only when limited vendor choice for client, access-point, and server products is not a co nce rn.
Parameter Description Encryption Mode None – Disable the encryption mode. WEP – Enable the WEP Data Encryption. When the i t em is selected, you have to continue setting the WEP Encryption key s.
The IEEE 802.1X specification describe s a protocol that can be used fo r authenticating both clients and servers on a network. The authentication algorithm s and methods are those pro vided by the Ex.
3.2.1.3 802.1x Setting-Certification Parameter Description Authentication T ype The EAP authentication pr otocol s this a daptor has supporte d are included as follows. This setting has to be consistent with the wireless APs or Routers that the adaptor intends to connect.
Parameter Description T unneled Authentication Protocol When the authentication type is PEAP or TTLS, select a protocol to be used to build the encrypted tunnel.
Parameter Description Allow Intermediate Certificates A server desi gnates an issuer as a trusted root authority by placing the issuer's self-signed ce rtificate, which co ntains the issuer's public key, into the tr usted root certification authority certificate store of the host comp uter.
Parameter Description S tatus Display the SSID and MAC ID of the network the adaptor is connecting to. Extra Info Display the link st atus. Channel Display the number of the radio channel and the freq uency used for the networking. Link S peed (Mbps) Display the transmission and reception rate of the network.
3.4 Statistics This option enables you to view the statistic informat ion of the con nectio n including transmit statistics and receive statistics. You may reset the counters by clickin g ”Reset Counter”. 3.5 Advance This option enables you to configure mo re advan ced settings, for example: wireless mode, protection mode and etc.
Parameter Description Wireless Mode 802.1 1 B/G mix – If you have a mix of 802.1 1b and 802.1 1g wireless st ations in you r networ k, it is recommended to set the adaptor to this mode. Thi s mode is also the default setting. 802.1 1 B only – This adaptor can be comp atible with both 802.
Parameter Description Enable TCP Window Size The TCP Window i s the amount of data a sender can send on a particular connectio n before it get s an acknowledgme nt back from the receiver that it has gotten some of it.
3.6 About By choosing this option, you can click the hyperlin k to connect the website for the informatio n of the wireless chipset vendor and review b asic informat ion about the Utili ty such as the Driver, Utility and EEPROM Version. The MAC Address of the adaptor is displayed in the screen as well.
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4 Troubleshooting This chapter provides solutions to pro blems us ually encountered during the inst allation and operatio n of the adapter . 1. What is the IEEE 802.1 1g st andar d? 802.1 1g is the new IEEE standard fo r high-speed wireless LAN comm unications that provides for up to 54 Mbps dat a rate in the 2.
6. What is BSS ID ？ A specific Ad hoc LAN is called a Basic Service Set (BSS). Computers in a BSS must be configured with the same BSS ID. 7. What is WEP ？ WEP is Wi re d Equivalent Privacy , a data pr ivacy mechanism based on a 40 bit shared key algorithm, as described in the IEEE 802 .
13. What is Spread S pectrum ？ S pread S pectrum technol o gy is a wideband radio frequen cy technique developed by the milit ary for use in reliable, secure, missi on-critical communication system s. It is designed to trade of f bandwidt h ef ficiency for reliability , integrity , and security .
An important point after buying a device Topcom 4001G (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Topcom 4001G yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Topcom 4001G - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Topcom 4001G you will learn all the available features of the product, as well as information on its operation. The information that you get Topcom 4001G will certainly help you make a decision on the purchase.
If you already are a holder of Topcom 4001G, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Topcom 4001G.
However, one of the most important roles played by the user manual is to help in solving problems with Topcom 4001G. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Topcom 4001G along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
