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NDC Comm NWH4020 User Manual
Summary of NWH4020
Page 1
User’s guide version a1 january 2003 national datacomm corporation 4 th fl., no. 24-2, industry e. Rd. Iv science-based industrial park hsinchu, taiwan, r.O.C. Technical support e-mail: techsupt@ndc.Com.Tw ndc world wide web http://www.Ndclan.Com/ 11-mbps usb wireless lan adapter nwh4020
Page 2: Trademarks
Ii instantwave 11-mbps usb wireless lan adapter trademarks ndc and instantwave are trademarks of national datacomm corporation. All other names mentioned in this document are trademarks/registered trademarks of their respective owners. Ndc provides this document “as is,” without warranty of any kind...
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Instantwave 11-mbps usb wireless lan adapter iii packing list the adapter package should contain the following items: #" one instantwave 11-mbps usb wireless lan adapter #" one usb cable #" one usb adapter driver disk #" two instantwave utility disks #" one quick setup guide if the optional usb coup...
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Iv instantwave 11-mbps usb wireless lan adapter table of contents introduction .................................................................................................. 1 s ystem r equirements ....................................................................................... 1 hardware...
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Instantwave 11-mbps usb wireless lan adapter v index ................................................................................................................... 34.
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Vi instantwave 11-mbps usb wireless lan adapter list of figures f igure 1. A d - hoc network .................................................................................. 2 f igure 2. I nfrastructure network ................................................................... 2 f igure 3. R oama...
Page 7: System Requirements
Instantwave 11-mbps usb wireless lan adapter 1 introduction thank you for choosing an instantwave 11-mbps wireless networking product. This guide gives complete instructions on installing and using the instantwave nwh4020 11-mbps usb wireless lan adapter, and also explains how to install and use the...
Page 8: Ad-Hoc Network
2 instantwave 11-mbps usb wireless lan adapter terminology used in this guide ad-hoc network an ad-hoc network is a wireless local-area network (wlan) made up of stations communicating directly with each other through their wireless interfaces. There is no central relay point, and normally no connec...
Page 9: Bssid, Mac Address
Instantwave 11-mbps usb wireless lan adapter 3 bssid, mac address a basic service set (bss) is two or more wireless devices that are in communication with each other. Like every wired ethernet device, every wireless device has a fixed, unique “media access control” (mac) address. When wireless devic...
Page 10: Roaming
4 instantwave 11-mbps usb wireless lan adapter roaming when aps covering adjacent areas have the same ssid and encryption settings, a mobile device that also shares those settings can communicate through the aps continuously while moving from one coverage area to another. This is known as roaming. W...
Page 11: Installing The Driver
Instantwave 11-mbps usb wireless lan adapter 5 adapter installation installing the adapter consists of connecting it to the computer and installing the driver and the utility program. Software installation will begin automatically the first time you connect the adapter to the computer. Follow these ...
Page 12: Windows 98
6 instantwave 11-mbps usb wireless lan adapter • when typing the location of the driver, be sure to type a:\ with a backslash [\] and not a slash [/]. In microsoft ® windows xp, be sure to type a:\xp_driver with a backslash and not a slash. • it is common for the installation program to fail to find...
Page 13: Windows 2000
Instantwave 11-mbps usb wireless lan adapter 7 the installation program will let you specify whether it should search for a driver or display a list of drivers. Controls for specifying a search location will also appear. Step 2. Click search for the best driver for your device (recommended) , put a ...
Page 14: Windows Xp
8 instantwave 11-mbps usb wireless lan adapter the installation program will install the driver and indicate that installation is complete. Step 6. Click finish . After completing the above steps, you may be prompted to restart your computer. Remove the driver disk and click yes to allow the system ...
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Instantwave 11-mbps usb wireless lan adapter 9 figure 5. Setup program welcome screen step 6. Click next (or press the enter or return key). The choose destination location window will appear. Figure 6. Choose destination location window the instantwave utility is normally installed in the directory...
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10 instantwave 11-mbps usb wireless lan adapter the select program folder window will appear. Figure 7. Select program folder window this window lets you specify where in the desktop’s start menu the instantwave utility will appear. Assuming you accepted the default location in the previous window, ...
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Instantwave 11-mbps usb wireless lan adapter 11 figure 9. Prompt for disk 2 step 9. Remove instantwave utility disk #1, insert instantwave utility disk #2, and click ok (or press the enter or return key). Installation will proceed to completion, and the setup complete window will appear. Figure 10. ...
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12 instantwave 11-mbps usb wireless lan adapter step 3. In the list of installed network components, select wlan miniusb adapter . Step 4. Click remove . You will be asked if you wish to remove the adapter or “disable” it. Step 5. Click ok . You will be asked if you wish to restart the computer. Ste...
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Instantwave 11-mbps usb wireless lan adapter 13 the instantwave utility the instantwave highrate utility is a microsoft ® windows-based application that lets you configure and monitor your instantwave wireless lan adapter. The program includes tools for determining the best location for the adapter,...
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14 instantwave 11-mbps usb wireless lan adapter figure 12. Instantwave utility toolbar step4. Click the icon for the task you wish to perform. The functions provided by the utility program are, reading from left to right: • adapter properties • radio link quality indicator • station traffic monitor ...
Page 21: Adapter Properties
Instantwave 11-mbps usb wireless lan adapter 15 #" launch instantwave utility on startup automatically starts the utility at each system boot. #" show icon on the taskbar displays an icon on the taskbar (figure 14). Figure 14. Taskbar icon the color of the icon indicates the wireless adapter’s curre...
Page 22: Configuration
16 instantwave 11-mbps usb wireless lan adapter figure 15. Adapter properties window — configuration panel configuration the configuration panel (figure 15) displays, and allows you to modify, some important parameters of the instantwave adapter. All parameter changes are saved and are referred to b...
Page 23: Advanced Information
Instantwave 11-mbps usb wireless lan adapter 17 • transmission rate — the transmission rate at which data packets are transmitted by the station or the ap. You can set this to fully automatic, 1mb (that is, 1 mbps), 2mb, 5.5mb, or 11mb. Usually this should be set to fully automatic. In an electromag...
Page 24: Link Info
18 instantwave 11-mbps usb wireless lan adapter this panel is divided into three sections: • type and version — this section shows the version numbers of the driver and the adapter’s firmware, as well as the type of chipset in the adapter. • hardware information — shows the “regulatory domain” the a...
Page 25: Encryption
Instantwave 11-mbps usb wireless lan adapter 19 • current channel — the channel number shown here is the channel used for communication between wireless stations and an ap (or, in an ad-hoc network, between stations). In infrastructure mode, stations will scan for the channel the ap is using and cha...
Page 26: Troubleshooting
20 instantwave 11-mbps usb wireless lan adapter disabled (default): stations communicate with the access point without any data encryption. 40-bit wep: stations communicate with the access point using 40-bit wep data encryption. 128-bit wep: stations communicate with the access point using 128-bit w...
Page 27: Site Survey
Instantwave 11-mbps usb wireless lan adapter 21 figure 19. Adapter properties window — troubleshooting panel a diagnosis program will run and display a diagnostic message. Follow the on- screen instructions to send the message, together with a description of the symptoms, to ndc’s technical support ...
Page 28: Station Traffic Monitor
22 instantwave 11-mbps usb wireless lan adapter figure 20. Site survey scan click scan to obtain and display updated survey information. You may need to wait a short time until the scan is completed. Join selecting an ap in the list will enable the join button. The join command allows you to manuall...
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Instantwave 11-mbps usb wireless lan adapter 23 figure 22. Station traffic monitor this tool shows the amount of data transmitted and received by the station. This information is useful when diagnosing networking throughput problems..
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24 instantwave 11-mbps usb wireless lan adapter driver/utility upgrade procedure new drivers and utilities are released from time to time. Check http://www.Ndc.Com.Tw/support/driver.Htm for the latest releases. To upgrade the instantwave adapter driver or highrate utility, you need to uninstall the ...
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Instantwave 11-mbps usb wireless lan adapter 25 troubleshooting this section provides you with some troubleshooting information in case you encounter installation or operation problems with an instantwave product. If your problem still cannot be remedied after going through this section, check the f...
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26 instantwave 11-mbps usb wireless lan adapter the wireless network is often interrupted (the taskbar icon shows red, or the link quality indicator shows black). 1. Move the computer closer to the access point (ap) to find a better signal. If the signal is still weak, try changing the adapter’s hei...
Page 33: Support From
Instantwave 11-mbps usb wireless lan adapter 27 technical support support from your network supplier if assistance is required, call your supplier for help. Have the following information ready before you make the call. 1. Led status 2. A list of the product hardware (including revision levels), and...
Page 34: Hardware
28 instantwave 11-mbps usb wireless lan adapter ndc limited warranty hardware ndc warrants its products to be free of defects in workmanship and materials, under normal use and service, for a period of 12 months from the date of purchase from ndc or its authorized reseller, and for theperiod of time...
Page 35: Warning
Instantwave 11-mbps usb wireless lan adapter 29 2. Inform the distributor or retailer. 3. Ship the product back to the distributor/retailer with prepaid freight. The purchaser must pay the shipping fee from the distributor/retailer to ndc. Any package sent c.O.D. (cash on delivery) will be refused. ...
Page 36: General
30 instantwave 11-mbps usb wireless lan adapter specifications general regulatory approval usa: fcc part 15 b and 15 c europe: ce ets 300 328, ets 300 826, and en60950 japan: telec arib std-t33 and std-t66 jate interface to host usb version 1.1 standards compliance ieee 802.11b, usb 1.1, and wi-fi c...
Page 37: Wireless
Instantwave 11-mbps usb wireless lan adapter 31 wireless rf spreading scheme direct sequence spread spectrum (dsss) rf frequency range 2400 to 2483.5 mhz (north america, europe, and japan) 2445 to 2475 mhz (spain) 2446.5 to 2483.5 mhz (france) transmitter characteristics rf output power: 15 dbm (typ...
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32 instantwave 11-mbps usb wireless lan adapter ec declaration of conformity for the following equipment : product name : instantwave 11-mbps usb wireless lan adapter model number : nwh4020 is hereby confirmed to comply with the requirements set out in the council directive on the approximation of t...
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Instantwave 11-mbps usb wireless lan adapter 33 appendix the appendix lists the channels supported by the world’s regulatory domains. The channel numbers, channel center frequencies, and regulatory domains are shown in the table. Channel number center frequency (mhz) fcc/ canada etsi spain france ja...
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34 instantwave 11-mbps usb wireless lan adapter index a adapter bus type .......................... 18 adapter properties........................ 15 adapter status .............................. 18 ad-hoc network ............................. 2 advanced information.................. 17 appendix .......
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Instantwave 11-mbps usb wireless lan adapter 35 signal strength ........................19, 21 site survey .................................. 21 sound ........................................... 15 ssid ....................................3, 13, 16 state.................................................