Manuale d’uso / di manutenzione del prodotto 4001G del fabbricante 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 .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Topcom 4001G è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Topcom 4001G - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Topcom 4001G imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Topcom 4001G ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Topcom 4001G, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Topcom 4001G.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Topcom 4001G. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Topcom 4001G insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
