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Parameter 

Description 

General Connection Setting 

 

Channel 

Select the number of the  radio channel used for the  networking. 

The channel setting of the wireless stations within a network 
should be the same. 

 

 

          TxRate 

Select the basic transmit rate to be used: 11, 5.5, 2 or 1Mbps. If 

“Auto“ is selected, the adapter will automatically adjust to the 
highest possible rate according to the interference or obstacles. 

 

 

          SSID 

The SSID (up to 32 printable ASCII characters) is the unique 

name identified in a WLAN. The ID prevents the unintentional 
merging of two co-located WLANs.  
 
You may specify a SSID for the adapter and then only the device 

with the same SSID can interconnect to the adapter. 

 

 

          Any 

If “Any“ check box is enabled, the adapter will survey and connect 
to one of the available wireless stations without checking the 

consistency of channel and SSID with the wireless station. 

 

 

          Network Type 

 

Infrastructure: 

This  mode requir es the presence of an AP or 

Router to create a wireless network. All the communication is 

processed through the AP or Router. 

 

  

 

Ad Hoc: 

This mode enables wireless network adapters 

interconnecting without through AP or Router. Select this 

mode if there is no AP or Router in the network. 

 

 

          Change button 

Press “Change“ button will enable you to setup the parameters of 
“General Connection Setting“. In the meantime, the button will 

change to “ Apply“ button for you to confirm your settings. 

 

 

Encry ption Setting 

In the block, users may setup the WEP key for the data encryption 
within the network. Please refer to Section 3.3 for more 

description.  

 

 

Profile 

 

          Profile Name 

Input the profile name to write the setting values of the adapter to 

the file or load the setting values from the file you designate. 

 

 

          Load profile setting 

Load the setting values from the file entered in the “ Profile 
Name“. The new settings will be activated immediately. 

 

 

          Write current setting to 

Profile 

Write the current setting values to the file entered in the “Profile 
Name“. Please record the file name the data are saved. 

 

 

 

 

Summary of Contents for EW-7117U

Page 1: ...W Wi ir re el le es ss s L LA AN N M Mi in ni i U US SB B A Ad da ap pt te er r User Manual Version 1 0 Apr 2003...

Page 2: ...arranties merchantability or fitness for any particular purpose Any software described in this manual is sold or licensed as is Should the programs prove defective following their purchase the buyer a...

Page 3: ...an outlet on a circuit different from that to which the receiver is connected 4 Consult the dealer or an experienced radio technician for help FCC Caution This equipment must be installed and operated...

Page 4: ...of those who install and use it However special attention must be paid to the dangers of electric shock and static electricity when working with electrical equipment All guidelines of this and of the...

Page 5: ...S 2 2 INSTALLATION PROCEDURE 3 2 1 WINDOWS 98SE ME 2000 3 2 1 1 Install the Driver 3 2 1 2 Install the Utility 3 2 2 WINDOWS XP 4 3 CONFIGURATION UTILITY 6 3 1 WIRELESS CONNECTION 6 3 2 GENERAL CONNEC...

Page 6: ...eer communication among any wireless users no Access Point required Automatic fallback increases data security and reliability Supports the most popular operating system Windows 98SE Me 2000 XP Portab...

Page 7: ...please check the items of your package The package should include the following items One USB Adapter One USB Extension Cable 100Cm One Quick Guide One CD Driver Utility Manual If any of the above it...

Page 8: ...device and search for its driver 2 Please select the Driver Win2000 folder select the folder based on your computer s OS system and the system will complete the driver installation 2 1 2 Install the...

Page 9: ...you may decide to use the system s utility or the one provided by this USB adapter It is strongly recommended to using the utility of this adapter A Using the Windows XP s Utility Click the icon mark...

Page 10: ...te ZDConfig program click Start button and select ZyDAS Wireless LAN USB Note If you don t disable the XP s Utility you can only see the link status during communication process from the USB Adapter s...

Page 11: ...Network Adapter Display the product information of the USB Adapter Available Network Display all the SSID and Signal Strength of wireless devices nearby To re survey the available wireless devices ple...

Page 12: ...the proper position of the wireless device for quality network operation Link Quality This bar indicates the quality of the link The higher the percentage the better the quality TX Frame It shows the...

Page 13: ...ure This mode requires the presence of an AP or Router to create a wireless network All the communication is processed through the AP or Router Ad Hoc This mode enables wireless network adapters inter...

Page 14: ...ting please refer to Section 3 4 Information button To view the version of the driver firmware and the MAC Address of the adapter press the button 3 3 WEP Encryption WEP is an authentication algorithm...

Page 15: ...ing on the wireless stations which the adapter is connecting to Key Length You may select the 64 bit or 128 bit to encrypt transmitted data Larger key length will provide higher level of security but...

Page 16: ...he transmission rate of the adapter Fragementation Threshold The value defines the maximum size of packets any packet size larger than the value will be fragmented If you have decreased this value and...

Page 17: ...and wired LAN is called an Infrastructure configuration Infrastructure is applicable to enterprise scale for wireless access to central database or wireless application for mobile workers 5 What is BS...

Page 18: ...the original data without the need for retransmission To an unintended receiver DSSS appears as low power wideband noise and is rejected ignored by most narrowband receivers 10 What is Spread Spectru...

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