300N Wireless LAN USB Adapter - Smartlink Network Systems Ltd

300N Wireless LAN USB Adapter - Smartlink Network Systems Ltd
DG-WN3300N
802.11b/g/n 300Mbps Wireless LAN USB Adapter
User Manual
V2.0
2014-02-20
As our products undergo continuous development the specifications are subject to change without prior notice
DG-WN3300N User Manual
COPYRIGHT
Copyright 2014 by Smartlink Network Systems Ltd. All rights reserved. No part of
this publication may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language or computer language, in any form or by any
means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise,
without the prior written permission of this company.
This company makes no representations or warranties, either expressed or implied,
with respect to the contents hereof and specifically disclaims any warranties,
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 (and not this company, its distributor, or its dealer) assumes
the entire cost of all necessary servicing, repair, and any incidental or consequential
damages resulting from any defect in the software. Further, this company reserves the
right to revise this publication and to make changes from time to time in the contents
thereof without obligation to notify any person of such revision or changes.
Trademarks:
DIGISOL™ is a trademark of Smartlink Network Systems Ltd. All other trademarks
are the property of the respective manufacturers.
Safety
This equipment is designed with the utmost care for the safety 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 computer manufacturer must therefore be allowed at all times to ensure the
safe use of the equipment.
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Index
1. Product Information.................................................................................... 5
1-1 Introduction and Safety Information...........................................................5
1-2 Safety Information........................................................................................ 5
1-3 System Requirements................................................................................. 6
1-4 Package Contents........................................................................................ 6
1-5 Get familiar with your new wireless USB adapter................................... 7
2. Driver Installation and Configuration......................................................8
2-1 Network Adapter Installation....................................................................... 8
2-2 Configuration Utility.................................................................................... 12
2-2-1 Utility Overview................................................................................13
For Windows 7/ Windows 8 (32-bit)............................................................... 14
2-3 Connect to Wireless Access Point...........................................................16
2-3-1 Using DIGISOL Utility....................................................................... 16
2-3-2 Using Windows Zero Configuration................................................25
2-4 Connection Profile Management............................................................. 29
2-4-1 Add a new profile............................................................................. 30
2-4-2 Remove an existing profile.............................................................. 36
2-4-4 Make a copy of existing profile........................................................38
2-4-5 Set as default profile........................................................................ 39
2-5 Network Statistics, General Information, and Status............................40
2-5-1 General Information.........................................................................40
2-5-2 Status.................................................................................................42
2-6 Establish secure connection with AP by WPS.......................................44
2-6-1 PIN Code............................................................................................46
3. Soft-AP Function......................................................................................... 49
3-1 Switch to AP Mode and Station Mode.....................................................49
3-1-1 Configure SSID and Channel............................................................51
3-1-2 Setup Soft-AP Security..................................................................... 53
3-2 Advanced Settings..................................................................................... 56
3-3 Wireless Statistics...................................................................................... 57
3-4 Internet Connection Sharing (ICS).......................................................... 58
4. Virtual WiFi..................................................................................................59
4-1 Switch to Virtual WiFi Mode (On Windows XP)..................................... 59
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4-1-1 Configure SSID and Soft-AP Security.............................................. 63
4-2 Virtual Wifi Mode on Windows7/ Windows8 (32-bit)............................. 67
4-2-1 Configure SSID and Soft-AP Security.............................................. 70
5. Appendix...................................................................................................... 72
5-1 Hardware Specification............................................................................. 72
5-2 Troubleshooting.......................................................................................... 73
5-3 Glossary.......................................................................................................75
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1. Product Information
1-1 Introduction and Safety Information
Thank you for purchasing DG-WN3300N IEEE 802.11b/g/n 300Mbps wireless N
USB adapter! This adapter has a tiny size design which enables users to plug it into
the USB port of your computer. DG-WN3300N supports wireless standards
IEEE802.11b/g, this wireless adapter also supports IEEE802.11n through which users
can get data transfer speed up to 300Mbps.
Other features of this Wireless USB adapter include:



IEEE 802.11b/g/n compatible.
Wireless data transfer rate – up to 300Mbps.
Supports 64/128-bit WEP, WPS, WPA, WPA2 with IEEE 802.1x functions for
high level of security.




Supports the most popular operating system: Windows XP/Vista/7/8 (32-bit).
Supports soft AP function.
Supports USB 2.0 interface.
Portable and tiny size design.
1-2 Safety Information
In order to keep the safety of users and your properties, please follow the safety
instructions as mentioned below:
1. This wireless USB adapter is designed for indoor use only. DO NOT expose this
wireless adapter to direct sun light, rain, or snow.
2. DO NOT put this USB adapter at or near a hot or humid place, like kitchen or
bathroom. Also, do not leave this wireless adapter in the car in summer.
3. This USB adapter is small enough to put in a child’s mouth, and it could cause
serious injury or could be fatal. If they throw the USB adapter, it will be damaged.
PLEASE KEEP THIS USB ADAPTER OUT OF REACH OF CHILDREN.
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4. This USB adapter can get heated up when being used for a long time (This is
normal and is not a malfunction). DO NOT put the USB adapter on a paper, cloth,
or other flammable objects after the USB adapter has been used for a long time.
5. There’s no user-serviceable part inside the USB adapter. If you find that the USB
adapter is not working properly, please contact your dealer of purchase and ask for
help. DO NOT disassemble the USB adapter yourself, warranty will be void.
6. If the USB adapter falls into water, DO NOT USE IT AGAIN BEFORE YOU
SEND IT TO THE DEALER OF PURCHASE FOR INSPECTION.
7. If you smell something strange or even see some smoke coming out from the USB
adapter, switch the computer off immediately, and call the dealer of purchase for
help.
1-3 System Requirements




An empty USB 2.0 port
Windows XP, Vista, Windows7 or Windows 8 (32-bit) operating system
CD-ROM drive
At least 100MB of available disk space
1-4 Package Contents
Before you start using this wireless USB adapter, please check the following items in
the package.
 DG-WN3300N 300Mbps Wireless USB Adapter (1 No.)
 Quick installation guide
 Installation software CD (includes User Manual,QIG & Driver/Utility)
If any of the above items are missing, contact your supplier as soon as possible.
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1-5 Get familiar with your new wireless USB adapter
1. USB interface
2. Status LED (Under the case)
1
2
Bottom View
Top View
LED Name
Status
Light Status Description
Off
Wireless Radio is switched OFF.
On
Blinking
Steady light 5 seconds means WPS connection is
established successfully.
i) Wireless network adapter is normally installed.
ii) Linked to a wireless access point.
iii) Transferring or receiving data.
Fast Blinking three times per second means WPS is
activated. The USB adapter will wait for 2 minutes to
establish WPS connection.
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2. Driver Installation and Configuration
2-1 Network Adapter Installation
Please follow the instructions mentioned below to install your new wireless USB
adapter:
Note1: The following installation was operated under Windows XP. (Procedures are
similar for Windows Vista.)
Note2: If you have installed the Wireless PC Adapter driver & utility before, please
uninstall the previous version first.
1. Insert “Installation Software CD” into the CD/DVD ROM drive of your
computer, and Browse it. Execute ‘Setup.exe’ program.
For Windows XP/ Vista/ 7
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For Windows 8 (32-bit)
For Windows Vista / Windows 7 OS, you’ll be prompted to confirm installation. Click
‘Yes’ to continue.
2. Click ‘Next’ to begin with the driver and utility installation.
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3. The Installation procedure will need few minutes to complete the setup, please be
patient.
4. Click ‘Finish’ to reboot your computer to complete the installation procedure. If
you don’t want to reboot the computer now, select ‘No, I’ll restart my computer
later’ option and click ‘Finish’. Please note you have to reboot your computer
before you can use your new wireless USB adapter.
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5. Once computer has restarted, insert the wireless USB adapter into an empty USB
2.0 port. Never use force to insert the adapter, if you feel it’s stuck, flip it over and
try again.
6. A new icon will appear near the clock of system tray:
HERE!
Left-click the icon and it will launch the wireless network configuration utility, and
you can right-click the icon to Hide or Quit the configuration utility.
The different color & logo indicates the different wireless connection status:
Wireless USB adapter not detected
No connection with access point is established.
Connection with access point has been established.
For detailed instructions of wireless network configuration utility, please see next
chapter.
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2-2 Configuration Utility
The Configuration Utility is a powerful application that helps you configure the
Wireless USB Adapter and monitors the link status and the statistics during the
communication process.
The Configuration Utility appears as an icon on the system tray and desktop of
Windows. You can open it by double-clicking on the icon.
Right click the icon in the system tray, there are some items for you to operate the
configuration utility.

Open Config Utility
Select “Open Config Utility” to open the configuration utility.

About
Select “About” to show the utility information.

Hide
Select “Hide” to hide the utility in the system tray.

Quit
Select “Quit” to quit the utility in the system tray.
On the Desktop
In the System Tray
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In the System Tray (Right Click)
DG-WN3300N User Manual
2-2-1 Utility Overview
There are several parts in the utility screen. Please refer to the following table for the
description. (On Windows XP)
A
B
D
C
Parameter
A
Description
Refresh – Refresh adapter list in the “B“ block.
Mode – There are three modes: Station, Access Point and
Virtual Wi Fi. If Station mode is selected, the adapter works
as a wireless adapter. If Access Point mode is selected, the
adapter will work as a wireless AP. If virtual Wi Fi mode is
selected the adapter acts as a client as well as a soft AP.
About – To check the version of the utility, select this item.
B
This is a list for you to configure several adapters in your
PC from the utility.
C
Show Tray Icon – To show the icon in the system tray, select
the item.
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Disable Adapter – This function is for you to disable or
enable the adapter.
Radio Off – This function is for you to turn off or turn on
the radio of the adapter. If the radio is turned off, the adapter
will not work.
Windows Zero Config – To configure the adapter from
Windows XP Zero Configuration, check the item.
There are several tabs in the block for you to setup the
function of the adapter. Please refer to the description in the
following sections.
D
For Windows 7/ Windows 8 (32-bit)
The Utility Interface is slightly different for Windows7/Windows8 (32-bit) as
compared to Windows XP. Please refer to the following table for the description.
A
B
D
C
Parameter
A
Description
Refresh – Refresh adapter list in the “B“ block.
Mode – There are two modes: Station & Access Point
Mode. If Station mode is selected, the adapter works as a
wireless adapter. If Access Point mode is selected, the
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adapter will work as a wireless AP.
About – To check the version of the utility, select this item.
B
C
This is a list for you to configure several adapters in your
PC from the utility.
Show Tray Icon – To show the icon in the system tray, select
the item.
Disable Adapter – This function is for you to disable or
enable the adapter.
Radio Off – This function is for you to turn off or turn on
the radio of the adapter. If the radio is turned off, the adapter
will not work.
Virtual WiFi allowed – Enable this option to configure this
Adapter in Virtual Wifi Mode. Once you check this option, a
new tab “Virtual Wifi” will be displayed in the utility as
shown in the figure below.
D
There are several tabs in the block for you to setup the
function of the adapter. Please refer to the description in the
following sections.
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2-3 Connect to Wireless Access Point
To use wireless network, you have to connect to a wireless access point first. You can
either use the DIGISOL utility (comes with wireless adapter driver), or Windows Zero
Config utility (comes with Windows operating system) for configuration purpose.
2-3-1 Using DIGISOL Utility
Please follow the instructions mentioned below to use DIGISOL configuration utility
to connect to wireless access point.
1. Left-click the DIGISOL configuration utility icon located at lower-right corner of
computer desktop, and configuration menu will appear:
HERE
!
2. Wireless utility will appear. Click ‘Available Network’ menu to search for
wireless access points nearby.
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3. Please wait for a while, and all wireless access points which can be reached by
this wireless network adapter will be displayed here.
If the wireless access point you wish to connect does not appear here, you can
click ‘Refresh’ button to scan for wireless access points again; if the wireless
access point you’re looking for still does not appear, try to move the computer
closer.
When the access point you’re looking for is on the list, left-click it and then
double click it or click ‘Add to Profile’.
4. If a password is required to access the wireless access point, please input it in
‘Network key’ (and input it again in ‘Confirm network key’ for confirmation).
Click ‘OK’ when the password is properly inputted.
NOTE: Network security type (‘Network Authentication’ and ‘Data
encryption’) will be selected automatically based on wireless access point’s
security setting. It’s not required to change these settings yourself.
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All options in this page will be filled automatically according to the access point you
wish to add to profile. However, you can still modify any of them to meet your
requirement.
Parameter
Description
Profile name
Define a recognizable profile name for you to identify
the different networks. It can be any phrase to help
you remember.
Network Name (SSID)
The SSID 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.
This field will be filled as the access point you
selected when SSID is not hidden and grayed out. If
SSID is hidden, you have to input correct SSID
yourself.
There are two kinds of network types described as
follows.
Infrastructure – This operation mode requires the
presence of an 802.11 Access Point. All
communication is done via the Access Point or
Router.
This is a
computer-to-computer
(ad hoc) network
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Ad Hoc – Connect to another wireless adapter in the
Wireless LAN network without an Access Point or
Router.
Check this box if you wish to connect to another
computer / network device by ad hoc method. When
not accessing the wireless access point, you have to
check this box.
Channel
Network
Authentication
This setting is only available for Ad Hoc mode. Select
the number of the radio channel used for networking.
The channel setting should be the same with the
network you are connecting to.
This setting has to be consistent with the wireless
networks that the adapter intends to connect.
Open System – No authentication is needed among
the wireless network.
Shared Key – Only wireless stations using a shared
key (WEP Key identified) are allowed to connect to
each other.
WPA-PSK – It is a special mode designed for home
and small business users who do not have access to
network authentication servers. In this mode, known
as Pre-Shared Key, the user manually enters the
starting password in their access point or gateway, as
well as in each wireless station in the network.
WPA-PSK takes over automatically from that point,
keeping unauthorized users that don’t have the
matching password from joining the network, while
encrypting the data traveling between authorized
devices.
WPA2-PSK – WPA2-PSK is also for home and small
business. The difference between WPA-PSK and
WPA2-PSK is that WPA2-PSK provides data
encryption via the AES by default. In contrast,
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WPA-PSK uses Temporal Key Integrity Protocol
(TKIP) by default.
WPA 802.1X – WPA provides a scheme of mutual
authentication using either IEEE 802.1x/Extensible
Authentication Protocol (EAP) authentication or
pre-shared key (PSK) technology. It provides a high
level of assurance to enterprises, small businesses and
home users that data will remain protected and that
only authorized users may access their networks. For
enterprises that have already deployed IEEE 802.1x
authentication, WPA offers the advantage of
leveraging existing authentication databases and
infrastructure.
WPA2 802.1X – Like WPA, WPA2 supports IEEE
802.1x/EAP authentication or PSK technology. It also
includes a new advanced encryption mechanism using
the Advanced Encryption Standard (AES). AES is
required to the corporate user or government users.
The difference between WPA and WPA2 is that
WPA2 provides data encryption via the AES by
default. In contrast, WPA uses Temporal Key Integrity
Protocol (TKIP) by default.
Data encryption
WEP 802.1X – It’s a special mode for using IEEE
802.1x/EAP technology for authentication and WEP
keys for data encryption.
Disabled – Disable the WEP Data Encryption.
WEP – Enable the WEP Data Encryption. When the
item is selected, you have to continue setting the WEP
Encryption keys.
TKIP – TKIP (Temporal Key Integrity Protocol)
changes the temporal key every 10,000 packets (a
packet is a kind of message transmitted over a
network.) This insures much greater security than the
standard WEP security.
AES – AES has been developed to ensure the highest
degree of security and authenticity for digital
information and it is the most advanced solution
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defined by IEEE 802.11i for the security in the
wireless network.
Note: All devices in the network should use the same
encryption method to ensure the communication.
Select the data encryption type from drop-down
menu. This setting must be identical with the setting
of wireless access point you wish to connect.
ASCII / PASSPHRASE
When the encryption type is ‘WEP’, it’s required to
input a set of ‘passphrase’ to connect to the wireless
access point. Check ‘ASCII’ or ‘PASSPHRASE’
depends on the security setting of access point, and
input it in the box; if you select ‘PASSPHRASE’ you
also need to select the length of the key.
The passphrase must be identical with the setting of
wireless access point you wish to connect.
Key index
Select WEP key index. For most of the access points
you can select ‘1’, but please refer to the setting of the
access point.
Network key /
Confirm network key
When the encryption type is ‘WPA’ or ‘WPA2-PSK’,
it’s required to input a network key to connect to the
wireless access point. Please input the same network
key in the ‘confirm network key’ box.
When authentication type is any of 802.1X, you have
to select EAP type, tunnel, and provision mode from
dropdown menu. This setting must be identical with
your 802.1x authentication server.
EAP TYPE
Provision Mode
GTC – GTC is an authentication protocol which
allows the exchange of clear text authentication
credentials across the network.
TLS – TLS is the most secure of the EAP protocols
but not easy to use. It requires that digital certificates
be exchanged in the authentication phase. The server
presents a certificate to the client. After validating the
server’s certificate, the client presents a client
certificate to the server for validation.
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LEAP – LEAP is a pre-EAP, Cisco-proprietary
protocol, with many of the features of EAP protocols.
Cisco controls the ability of other vendors to
implement this protocol, so it should be selected for
use only when limited vendor choice for client,
access-point, and server products is not a concern.
When you have set up LEAP authentication, you have
to enter the user name and password of your
computer.
PEAP & TTLS – PEAP and TTLS are similar and
easier than TLS in that they specify a stand-alone
authentication protocol be used within an encrypted
tunnel. TTLS supports any protocol within its tunnel,
including CHAP, MSCHAP, MSCHAPv2 and PAP.
PEAP specifies that an EAP-compliant authentication
protocol must be used; this adaptor supports MD5,
TLS, GTC (Generic Token Card) and MSCHAPv2.
Tunnel
Username
Identity
The client certificate is optional required for the
authentication.
Includes MD5, GTC, TLS and MSCHAP-v2 when
EAP type is selected as ‘PEAP’.
Includes CHAP, MSCHAP, MSCHAP-V2 and PAP
when EAP type is selected as ‘TTLS’.
The certificate username in the RADIUS server.
Domain
User’s identity in the RADIUS server.
IP address or domain name of the RADIUS server.
Password
User’s password in the RADIUS server.
Certificate
Select the certificate for RADIUS server
authentication. If certification is required to
authenticate with 802.1x authentication server, please
select a local certificate from dropdown list.
PAC
Check this box and PAC (Privilege
Certificate) will be automatically selected.
Please click ‘OK’ when ready.
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5. Network adapter will attempt to connect to access point now, this may require few
seconds to minutes, please be patient. When the ‘Status’ becomes ‘Associated’,
your computer is connected to access point you selected. Click ‘Close’ to close
configuration menu.
NOTE: If you are connected to an access point but the connection has
dropped soon, please check security settings and re-check password
spelling.
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2-3-2 Using Windows Zero Configuration
Windows XP and Vista has a built-in wireless network configuration utility, called as
‘Windows Zero Configuration’ (WZC). You can also use WZC to configure your
wireless network parameter:
1. Right-click DIGISOL configuration utility icon, and click ‘Open Config Utility’.
2. Check ‘Windows Zero Config’ box.
Note: This check box will be visible only if the “Wireless Zero
Configuration” service is enabled on the machine.
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3. A message indicating that you have been switched to Windows Zero
Configuration mode will appear. Click ‘OK’ to continue.
NOTE: To return to use DIGISOL utility, uncheck ‘Windows Zero
Config’ box.
4. Click ‘Start’ button (should be located at the bottom-left corner of windows
desktop), click ‘Control Panel’, then click ‘Network and Internet Connections’
in Control Panel.
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5. Double click ‘Network Connections’.
6. Right-click ‘Wireless Network Connection’ (it may have a number as suffix if
you have more than one wireless network card, please make sure you right-click
the ‘DIGISOL 802.11n Wireless LAN Card), then select ‘View Available
Wireless Networks’.
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7. All wireless access points in proximity will be displayed here. If the access point
you want to use is not displayed here, please try to move your computer closer to
the access point, or you can click ‘Refresh network list’ to rescan access points.
Click the access point you want to use if it’s shown, then click ‘Connect’.
8. If the access point is protected by encryption, you have to input its security key or
passphrase here. It must match the encryption setting on the access point.
If the access point you selected does not use encryption, you’ll not be prompted
for security key or passphrase.
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9. If you can see ‘Connected’ message, the connection between your computer and
wireless access point is successfully established.
2-4 Connection Profile Management
If you need to connect to different wireless access points at different time, for
example, access point of your home, office, cybercafe, or public wireless service, you
can store the connection parameters (SSID, encryption, passphrase, security etc.) as a
profile for every access point, so you don’t have to input these parameters every time
when you want to connect to a specific wireless access point.
To manage profiles, right-click the DIGISOL configuration utility icon located at
lower-right corner of computer desktop, then click ‘Open Config Utility’.
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Click the ‘Profile’ menu.
2-4-1 Add a new profile
By this function you can setup the connection parameters for a specific wireless
access point in advance, when connecting it for the first time.
If you want to create a new profile, click ‘Profile’ menu, then click ‘Add’ button.
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You’ll be prompted to input connection parameters for the wireless access point you
wish to connect:
Required parameters are explained below:
Parameter
Description
Profile name
Define a recognizable profile name for you to identify
Network Name (SSID)
This is a
computer-to-computer
(ad hoc) network
the different networks. It can be any phrase to help
you remember.
The SSID 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.
This field will be filled as the access point you
selected when SSID is not hidden and grayed out. If
SSID is hidden, you have to input correct SSID
yourself.
There are two kinds of network types described as
follows.
Infrastructure – This operation mode requires the
presence of an 802.11 Access Point. All
communication is done via the Access Point or
Router.
Ad Hoc – Connect to another wireless adapter in the
Wireless LAN network without an Access Point or
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Router.
Check this box if you wish to connect to another
computer / network device by ad hoc method. When
not accessing the wireless access point, you have to
check this box.
Channel
Network
Authentication
This setting is only available for Ad Hoc mode. Select
the number of the radio channel used for the
networking. The channel setting should be the same
with the network you are connecting to.
This setting has to be consistent with the wireless
networks that the adapter intends to connect.
Open System – No authentication is needed among
the wireless network.
Shared Key – Only wireless stations using a shared
key (WEP Key identified) are allowed to connect to
each other.
WPA-PSK – It is a special mode designed for home
and small business users who do not have access to
network authentication servers. In this mode, known
as Pre-Shared Key, the user manually enters the
starting password in their access point or gateway, as
well as in each wireless station in the network.
WPA-PSK takes over automatically from that point,
keeping unauthorized users that don’t have the
matching password from joining the network, while
encrypting the data traveling between authorized
devices.
WPA2-PSK – WPA2-PSK is also for home and small
business. The difference between WPA-PSK and
WPA2-PSK is that WPA2-PSK provides data
encryption via the AES by default. In contrast,
WPA-PSK uses Temporal Key Integrity Protocol
(TKIP) by default.
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WPA 802.1X – WPA provides a scheme of mutual
authentication using either IEEE 802.1x/Extensible
Authentication Protocol (EAP) or pre-shared key
(PSK) technology. It provides a high level of
assurance to enterprises, small businesses and home
users that data will remain protected and that only
authorized users may access their networks. For
enterprises that have already deployed IEEE 802.1x
authentication, WPA offers the advantage of
leveraging existing authentication databases and
infrastructure.
WPA2 802.1X – Like WPA, WPA2 supports IEEE
802.1x/EAP authentication or PSK technology. It also
includes a new advanced encryption mechanism using
the Advanced Encryption Standard (AES). AES is
required to the corporate user or government users.
The difference between WPA and WPA2 is that
WPA2 provides data encryption via the AES by
default. In contrast, WPA uses Temporal Key Integrity
Protocol (TKIP) by default.
Data encryption
WEP 802.1X – It’s a special mode for using IEEE
802.1x/EAP technology for authentication and WEP
keys for data encryption.
Disabled – Disable the WEP Data Encryption.
WEP – Enable the WEP Data Encryption. When the
item is selected, you have to continue setting the WEP
Encryption keys.
TKIP – TKIP (Temporal Key Integrity Protocol)
changes the temporal key every 10,000 packets (a
packet is a kind of message transmitted over a
network.) This insures much greater security than the
standard WEP security.
AES – AES has been developed to ensure the highest
degree of security and authenticity for digital
information and it is the most advanced solution
defined by IEEE 802.11i for the security in the
wireless network.
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Note: All devices in the network should use the same
encryption method to ensure the communication.
Select the data encryption type from the drop-down
menu. This setting must be identical with the setting
of wireless access point you wish to connect.
ASCII / PASSPHRASE
When the encryption type is ‘WEP’, it’s required to
input a set of ‘passphrase’ to connect to wireless
access point. Check ‘ASCII’ or ‘PASSPHRASE’
depends on the security setting of access point, and
input it in the box; if you select ‘PASSPHRASE’ you
also need to select the length of the key.
The passphrase must be identical with the setting of
wireless access point you wish to connect.
Key index
Select WEP key index. For most of access points you
can select ‘1’, but please refer to the setting of the
access point.
Network key /
Confirm network key
When the encryption type is ‘WPA’ or ‘WPA2-PSK’,
it’s required to input a network key to connect to the
EAP TYPE
Provision Mode
wireless access point. Please input the same network
key in the ‘confirm network key’ box.
When authentication type is any of 802.1X, you have
to select EAP type, tunnel, and provision mode from
dropdown menu. This setting must be identical with
your 802.1x authentication server.
GTC – GTC is an authentication protocol which
allows the exchange of clear text authentication
credentials across the network.
TLS – TLS is the most secure of the EAP protocols
but not easy to use. It requires that digital certificates
be exchanged in the authentication phase. The server
presents a certificate to the client. After validating the
server’s certificate, the client presents a client
certificate to the server for validation.
LEAP – LEAP is a pre-EAP, Cisco-proprietary
protocol, with many of the features of EAP protocols.
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Cisco controls the ability of other vendors to
implement this protocol, so it should be selected for
use only when limited vendor choice for client,
access-point, and server products is not a concern.
When you have set up LEAP authentication, you have
to enter the user name and password of your
computer.
PEAP & TTLS – PEAP and TTLS are similar and
easier than TLS in that they specify a stand-alone
authentication protocol be used within an encrypted
tunnel. TTLS supports any protocol within its tunnel,
including CHAP, MSCHAP, MSCHAPv2 and PAP.
PEAP specifies that an EAP-compliant authentication
Tunnel
Username
Identity
protocol must be used; this adaptor supports MD5,
TLS, GTC (Generic Token Card) and MSCHAPv2.
The client certificate is optional required for the
authentication.
Includes MD5, GTC, TLS and MSCHAP-v2 when
EAP type is selected as ‘PEAP’.
Includes CHAP, MSCHAP, MSCHAP-V2 and PAP
when EAP type is selected as ‘TTLS’.
The certificate username in the RADIUS server.
Domain
User’s identity in the RADIUS server.
IP address or domain name of the RADIUS server.
Password
User’s password in the RADIUS server.
Certificate
Select the certificate for RADIUS server
authentication. If certification is required to
authenticate with 802.1x authentication server, please
select a local certificate from dropdown list.
PAC
Check
this
box
and
PAC
(Privilege Access
Certificate) will be automatically selected.
When all required parameters are set, click ‘OK’ to create and save a new profile.
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2-4-2 Remove an existing profile
When you no longer need an existing profile, you can remove it.
If you want to remove a profile, click ‘Profile’ menu, then select an existing profile
which you wish to remove, and then click ‘Remove’ button.
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2-4-3 Edit an existing profile
If you have added a profile before, and you wish to change the content of the profile,
you can use this function. Please select a profile from the list first, then click ‘Edit’
button. You’ll be provided with the contents of selected profile, and you can edit them.
Click ‘OK’ to save changes, or click ‘Cancel’ to discard changes.
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2-4-4 Make a copy of existing profile
If you need to make a copy of a specific profile, you can use this function. This
function is very convenient when you need to build a new profile with parameters that
are similar to any existing profile.
To do this, select an existing profile, then click ‘Duplicate’ button.
You’ll be prompted to input a profile name, please use an identical name that does not
exist in profile list.
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2-4-5 Set as default profile
If you wish to use a specific profile as default connection, you can select a profile in
the list, and click ‘Set Default’. Selected profile will become default selection and
DIGISOL configuration utility will attempt to connect to selected access point.
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2-5 Network Statistics, General Information, and Status
The configuration utility provides information about network statistics and link status.
If you want to know how your wireless network adapter works, you can use these
functions to get detailed information about the wireless connection you’re using.
2-5-1 General Information
If you want to know the general information of the access point you’re connecting to,
click ‘General’ menu:
All general information like Link Speed, Network Type, Encryption Method, SSID,
Signal Strength, Link Quality and Network Address of the adapter
will be displayed here. This information is very useful when you encounter some
problem in connecting to the access point.
If you wish to get a new IP address from DHCP server, you can click ‘ReNew IP’
button
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The table below explains the general information displayed.
Parameter
Description
Status
It will show the connection status of the adapter.
Speed
It shows the current speed.
Type
Infrastructure – This operation mode requires the presence
of an 802.11 Access Point. All communication is done via
the Access Point or Router.
IBSS – Select this mode if you want to connect to another
wireless station in the Wireless LAN network without an
Access Point or Router.
Encryption
It displays the encryption setting of the current connection
including None, WEP, TKIP or AES.
SSID
The SSID is the unique name identified in a WLAN. The ID
prevents the unintentional merging of two co-located
WLANs.
Signal Strength
It indicates the wireless signal strength.
Link Quality
It indicates the wireless link quality.
Network Address
It shows the MAC, IP address and other information of the
adapter.
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2-5-2 Status
This screen shows the information of manufacturer, driver version, settings of the
wireless network the adapter is connecting to, linking time and link status. If you
don’t ensure the status of the adapter and the network you are connecting, please go to
the screen for more details.
If you want to know the status of your wireless network adapter, click ‘Status’ menu.
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2-5-3 View Network Statistics
You can get the real time information about the packet transmission and receiving
status during wireless communication from this screen.
To view the statistical data of wireless network adapter, click ‘Statistics’ menu, and
the statistics of wireless connection will be displayed:
All connection-related statistics is displayed here. You can click ‘Reset’ button, to
reset the statistics of all items back to 0.
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2-6 Establish secure connection with AP by WPS
Wi-Fi Protected Setup (WPS) is the latest wireless network technology which makes
wireless network setup become very simple. If you have WPS-enabled wireless access
point, and you want to establish a secure connection to it, you don’t have to configure
the wireless access point and setup data encryption by yourself. All you have to do is
to go to the WPS setup page of this wireless adapter, click a button, and then press a
specific button or enter a set of 8-digit code on the wireless access point you wish to
establish a secure connection - just three simple steps.
For older wireless access points, it’s possible to perform a firmware upgrade to
become a WPS-enabled access point. Since they may not have a hardware button to
press for WPS setup, you can use an alternative WPS setup method - input the pin
code. Every WPS-compatible wireless USB adapter supports pin code configuration
method; you can just input the code to wireless access point, and the wireless access
point and wireless network adapter will do the rest for you.
This wireless network adapter is compatible with WPS. To use this function, the
wireless access point you wish to connect to must support WPS function too. Now,
please follow the instructions mentioned below to establish secure connection
between WPS-enabled wireless access point and your wireless USB adapter.
This wireless network adapter supports 2 kinds of WPS: PIN code and Push-Button.
Please follow the instructions below to setup WPS:
1. Right-click DIGISOL configuration utility icon, and click ‘Open Config Utility’.
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2. Click ‘Wi-Fi Protect Setup’ menu.
3. You can use PIN code or Push-Button configuration, and WPS-compatible
wireless access point must use the same type of WPS. For instructions on setup
each type of WPS, see next 2 chapters for detailed instructions.
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2-6-1 PIN Code
The PIN code of your wireless USB adapter is an eight-digit number located at the
upper-right position of configuration utility. Remember it, and input the number to
your wireless access point as the WPS PIN code (Please refer to the user manual of
your wireless access point for instructions about how to do this)
To use PIN Code, please click ‘Pin Input Config (PIN)’ button:
You’ll be prompted to select an access point you wish to connect. If you know its
SSID, click ‘Yes’, otherwise click ‘No’.
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If you select ‘Yes’, a list of all WPS-compatible AP nearby will be displayed; you can
click ‘Refresh’ to rescan, then select an AP and click ‘Select’ button.
If you select ‘No’, wireless network adapter will prompt you to enter 8-digit PIN code
into your AP, without selecting an AP in advance.
After you select ‘Yes’ or ‘No’ in previous step, network adapter will attempt to
connect to WPS-compatible AP, and an 8-digit number will appear. Please input this
number to AP’s configuration menu within 2 minutes, and network adapter will
establish secure connection with AP automatically.
To stop this procedure before connection is established, click ‘Cancel’.
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2-6-2 Push Button
To use Push-Button WPS configuration, please click ‘Push Button Config (PBC)’
button. This is the easiest way to establish secure connection by WPS, but if there’re
more than one WPS-compatible AP using Push-Button config, please use PIN Code
instead.
After you click Push Button Config, a message box will appear:
Please activate Push-Button function on wireless access point now, and wireless
network adapter will establish secure connection with access point within one minute.
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3. Soft-AP Function
DIGISOL DG-WN3300N can act as a wireless service provider also. You can switch
this wireless adapters operating mode to ‘AP’ mode to simulate the function of a real
wireless access point by software, and all other computers and wireless devices can
connect to your computer wirelessly, even share the internet connection you have.
Please follow the instructions in following chapters to use the AP function of your
wireless adapter.
3-1 Switch to AP Mode and Station Mode
The operating mode of the wireless adapter is ‘Station Mode’ (becoming a client of
other wireless access points) by default.
Please follow the instructions mentioned below to switch to AP mode:
1. Right-click DIGISOL configuration utility icon, and click ‘Open Config Utility’.
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2. Select ‘Mode’, and then select ‘Access Point’.
It requires few seconds to switch to AP mode, please be patient.
After mode switch is complete, you’ll see general information of software AP, which
shows AP’s SSID and connected wireless clients.
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3-1-1 Configure SSID and Channel
To configure software AP, click ‘Config’ button:
Parameter
SSID
BSSID
Association Table
Config
Description
The SSID is the unique name identified in a WLAN. The ID
prevents the unintentional merging of two co-located
WLANs.
The default SSID of the AP is “Computer Name_AP”.
Wireless adapters that connect to the AP should set up the
same SSID as the AP.
Displays the MAC address of the wireless adapter.
All the wireless adapters connected to the software AP will
be displayed in the list.
Click “Config“ for setting more configuration of the AP.
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The ‘Wireless Network Properties’ are displayed.
Please note that Ad-Hoc mode is not available when network adapter is in AP mode.
The description of major setup items are listed below:
Parameter
Description
Network Name (SSID)
Please input the SSID (the name used to identify this
wireless access point) here. Up to 32 characters can be
accepted here.
Channel
Please select the wireless channel you wish to use, from 1
to 13.
To save changes, click ‘OK’; otherwise click ‘Cancel’ to leave this menu and keep
settings untouched.
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3-1-2 Setup Soft-AP Security
To setup security options for Soft-AP, configure ‘Wireless Network Security’ section
as follows:
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The description of setup items about wireless security are listed below:
Parameter
Network
Authentication
Description
This setting has to be consistent with the wireless
networks that the USB adapter intends to connect.
Open System – No authentication is needed among the
wireless network.
Shared Key – Only wireless stations using a shared key
(WEP Key identified) are allowed to connect to each
other.
WPA-PSK – It is a special mode designed for home and
small business users who do not have access to network
authentication servers. In this mode, known as
Pre-Shared Key, the user manually enters the starting
password in their access point or gateway, as well as in
each wireless station in the network. WPA-PSK takes
over automatically from that point, keeping unauthorized
users that don’t have the matching password from joining
the network, while encrypting the data traveling between
authorized devices.
Data encryption
WPA2-PSK – WPA2-PSK is also for home and small
business. The difference between WPA-PSK and
WPA2-PSK is that WPA2-PSK provides data encryption
via the AES by default. In contrast, WPA-PSK uses
Temporal Key Integrity Protocol (TKIP) by default.
Disabled – Disable the WEP Data Encryption.
WEP – Enable the WEP Data Encryption. When the item
is selected, you have to continue setting the WEP
Encryption keys.
TKIP – TKIP (Temporal Key Integrity Protocol) changes
the temporal key every 10,000 packets (a packet is a kind
of message transmitted over a network.) This insures
much greater security than the standard WEP security.
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AES – AES has been developed to ensure the highest
degree of security and authenticity for digital information
and it is the most advanced solution defined by IEEE
802.11i for the security in the wireless network.
Note: All devices in the network should use the same
encryption method to ensure the communication. Select
the data encryption type from drop-down menu. This
setting must be identical with the setting of wireless
access point you wish to connect.
ASCII / PASSPHRASE
When the encryption type is ‘WEP’, it’s required to input
a set of ‘passphrase’ to connect to the wireless access
point. Check ‘ASCII’ or ‘PASSPHRASE’ depends on the
security setting of access point, and input it in the box; if
you select ‘PASSPHRASE’ you also need to select the
length of the key.
The passphrase must be identical with the setting of
wireless access point you wish to connect.
Key index
Select WEP key index. For most of the access points you
can select ‘1’, but please refer to the setting of the access
point.
Network key /
Confirm network key
When the encryption type is ‘WPA’ or ‘WPA2-PSK’, it’s
required to input a network key to connect to the wireless
access point. Please input the same network key in the
‘confirm network key’ box.
To save changes, click ‘OK’; otherwise click ‘Cancel’ to leave this menu and keep
settings untouched.
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3-2 Advanced Settings
If you want to setup advanced settings of software access point, select ‘Advanced’
menu. Only if required change these parameters.
The description of all setup items are listed in the table below:
Parameter
Description
Beacon Interval
Beacon Interval specifies the duration between beacon
packets (milliseconds). The range for the beacon period is
between 20-1000 milliseconds with a typical value of 100.
DTIM Period
Please input DTIM (Delivery Traffic Indication Message)
here. Determines the interval the Access Point will send its
broadcast traffic. Default value is 3 beacons.
Preamble Mode
The preamble defines the length of the CRC block for
communication among the wireless stations. There are two
modes including Long and Short. High network traffic
areas should use the shorter preamble type.
Set Defaults
Reset all settings back to factory default value.
Apply
Save changes.
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If you changed any setting here which causes problems in communicating with
wireless clients, click ‘Set Defaults’ to reset all settings back to default setting.
3-3 Wireless Statistics
Select ‘Statistics’ menu and the data statistics about software access point will be
displayed. You can get the real time information about the packet transmission and
receiving status during wireless communication from this screen.
Click ‘Reset’ to reset the value of every item back to ‘0’.
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3-4 Internet Connection Sharing (ICS)
In this page, you can assign a network card on your computer as the path for all
wireless clients to get connected to Internet.
If you have more than one network card, select the one you wish to use as Internet
gateway.
Click ‘Apply’ to save changes.
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4. Virtual WiFi
DIGISOL DG-WN3300N can connect to a Wireless Service Provider and act as an AP
at the same time. This is possible in the feature ‘Virtual WiFi’. This feature can also
be used to extend the Wireless signal up to few meters.
Please follow the instructions in the following chapters to use the ‘Virtual WiFi’
function of your wireless USB adapter.
4-1 Switch to Virtual WiFi Mode (On Windows XP)
The operating mode of wireless adapter is ‘Station Mode’ (becoming a client of other
wireless access point) by default.
Next, follow the below instructions to switch to Virtual WiFi mode:
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1. Right-click DIGISOL configuration utility icon, and click ‘Open Config Utility’.
2. Select ‘Mode’, and then select ‘Virtual WiFi’.
It requires few seconds to switch to Virtual WiFi mode, please be patient.
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After mode switch is complete, you’ll see a ‘Virtual WiFi’ tab. Click on this tab.
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The below screen-shot displays the Virtual WiFi options. Click ‘Virtual WiFi Soft
AP’ check box to enable the access point.
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4-1-1 Configure SSID and Soft-AP Security
To configure Access Point, click ‘Config’ button:
Select the check box of ‘Setting Internet Connection Sharing (ICS)’ for sharing
internet using the Soft Access Point.
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The ‘Wireless Network Properties’ is displayed.
Please note that Ad-Hoc mode is not available when network adapter is in AP mode.
The description of major setup items are listed below:
Parameter
Description
Network Name (SSID)
Please input the SSID (the name used to identify this
wireless access point) here. Up to 32 numerical
characters can be accepted here.
Network
Authentication
This setting has to be consistent with the wireless
networks that the adapter intends to connect.
Open System – No authentication is needed among the
wireless network.
Shared Key – Only wireless stations using a shared key
(WEP Key identified) are allowed to connect to each
other.
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WPA-PSK – It is a special mode designed for home and
small business users who do not have access to network
authentication servers. In this mode, known as
Pre-Shared Key, the user manually enters the starting
password in their access point or gateway, as well as in
each wireless station in the network. WPA-PSK takes
over automatically from that point, keeping unauthorized
users that don’t have the matching password from joining
the network, while encrypting the data traveling between
authorized devices.
Data encryption
WPA2-PSK – WPA2-PSK is also for home and small
business. The difference between WPA-PSK and
WPA2-PSK is that WPA2-PSK provides data encryption
via the AES by default. In contrast, WPA-PSK uses
Temporal Key Integrity Protocol (TKIP) by default.
Disabled – Disable the WEP Data Encryption.
WEP – Enable the WEP Data Encryption. When the item
is selected, you have to continue setting the WEP
Encryption keys.
TKIP – TKIP (Temporal Key Integrity Protocol) changes
the temporal key every 10,000 packets (a packet is a kind
of message transmitted over a network.) This insures
much greater security than the standard WEP security.
AES – AES has been developed to ensure the highest
degree of security and authenticity for digital information
and it is the most advanced solution defined by IEEE
802.11i for the security in the wireless network.
Note: All devices in the network should use the same
encryption method to ensure the communication. Select
the data encryption type from drop-down menu. This
setting must be identical with the setting of wireless
access point you wish to connect.
ASCII / PASSPHRASE
When the encryption type is ‘WEP’, it’s required to input
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a set of ‘passphrase’ to connect to the wireless access
point. Check ‘ASCII’ or ‘PASSPHRASE’ depends on the
security setting of access point, and input it in the box; if
you select ‘PASSPHRASE’ you also need to select the
length of the key.
The passphrase must be identical with the setting of
wireless access point you wish to connect.
Key index
Select WEP key index. For most of the access points you
can select ‘1’, but please refer to the setting of the access
point.
Network key /
Confirm network key
When the encryption type is ‘WPA’ or ‘WPA2-PSK’, it’s
required to input a network key to connect to the wireless
access point. Please input the same network key in the
‘confirm network key’ box.
To save changes, click ‘OK’; otherwise click ‘Cancel’ to leave this menu and keep
settings untouched.
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4-2 Virtual Wifi Mode on Windows7/ Windows8 (32-bit)
The operating mode of wireless adapter is ‘Station Mode’ (becoming a client of other
wireless access point) by default.
Next, follow the below instructions to switch to Virtual WiFi mode:
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1. Check mark the Option “Virtual WiFi allowed” in the utility, it will display a new
tab as “Virtual WiFi” in the utility. Click on that tab to configure “Virtual WiFi”
settings.
You can define the IP address for Virtual Wifi AP so that the other wireless clients
connecting to this network will get the IP address in same range eg: here it is
192.168.159.x range.
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2. Select “Start Virtual WiFi Soft AP” option, the following screen will be
displayed:
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4-2-1 Configure SSID and Soft-AP Security
To configure Access Point, click ‘Config’ button as shown above:
Please note that Ad-Hoc mode is not available when network adapter is in AP mode.
The description of major setup items are listed below:
Parameter
Description
Network Name (SSID)
Please input the SSID (the name used to identify this
wireless access point) here. Up to 32 numerical
characters can be accepted here.
Network
Authentication
This setting has to be consistent with the wireless
networks that the adapter intends to connect.
In this Mode, WPA2-PSK is a default authentication
setting & this field is grayed out.
WPA2-PSK – WPA2-PSK is also for home and small
business. The difference between WPA-PSK and
WPA2-PSK is that WPA2-PSK provides data encryption
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Data encryption
via the AES by default.
In this Mode, AES is a default Encryption setting & this
field is grayed out.
AES – AES has been developed to ensure the highest
degree of security and authenticity for digital information
and it is the most advanced solution defined by IEEE
802.11i for the security in the wireless network.
Note: All devices in the network should use the same
encryption method to ensure the communication. Select
the data encryption type from drop-down menu. This
setting must be identical with the setting of wireless
access point you wish to connect.
Network key /
When the encryption type is WPA2-PSK, it’s required to
Confirm network key
input a network key to connect to the wireless access
point. Please input the same network key in the ‘confirm
network key’ box.
To save changes, click ‘OK’; otherwise click ‘Cancel’ to leave this menu and keep
settings untouched.
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5. Appendix
5-1 Hardware Specification

Standards: IEEE 802.11b/g/n

Interface: USB 2.0

Frequency Band: 2.4000 ~ 2.4835GHz (Industrial Scientific Medical Band)

Data Rate: 11b: 1/2/5.5/11Mbps
11g: 6/9/12/24/36/48/54Mbps
11n (20MHz): MCS0-15 (Up to 144Mbps)
11n (40MHz): MCS0-15 (Up to 300Mbps)

Securities: WEP 64/128, WPA, WPA2 , WPS and IEEE 802.1x

Antenna: Internal Antenna (2T2R)

Drivers: Windows XP/Vista/Windows 7/ Windows 8 (32-bit)

LED: Status

Dimension: 33(L) x 16(W) x 6(H) mm

Temperature: Operating: (0~40°C)
Storage: (-40~70°°C)

Humidity: Operating: 10~90% (Non-Condensing)
Storage: 5~90% (Non-Condensing)
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5-2 Troubleshooting
If you encounter any problem when you’re using this wireless network adapter, don’t
panic. Before you call your dealer of purchase for help, please check this
troubleshooting table, the solution of your problem could be very simple, and you can
solve the problem yourself.
Scenario
Solution
I can’t find any wireless 1. Click ‘Rescan’ for few more times and see if
access point / wireless device
you can find any wireless access point or
in ‘Site Survey’ function.
wireless device.
2. Please move closer to any known wireless
access point.
3. ‘Ad hoc’ function must be enabled for the
wireless device you wish to establish a direct
wireless link.
4. Please adjust the position of the network
adapter (you may have to move your computer
if you’re using a notebook computer) and click
‘Rescan’ button for few more times. If you can
find the wireless access point or wireless device
you want to connect by doing this, try to move
closer to the place where the wireless access
point or wireless device is located.
Nothing happens when I click 1. Please make sure the wireless network adapter
‘Open Config Utility’
is inserted into your computer’s USB port.
2. Reboot the computer and try again.
3. Remove the adapter and insert it into another
USB port.
4. Remove the driver and re-install.
5. Contact the dealer of purchase for help.
I can not establish connection 1. Click ‘Add to Profile’ for few more times.
with a certain wireless access 2. If the SSID of access point you wish to connect
point
is hidden (nothing displayed in ‘SSID’ field in
‘Site Survey’ function), you have to input
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correct SSID of the access point you wish to
connect. Please contact the owner of access
point to ask for correct SSID.
3. You have to input correct passphrase / security
key to connect an access point with encryption.
Please contact the owner of access point to ask
for correct passphrase / security key.
4. The access point you wish to connect only
allows network cards with specific MAC
addresses to establish connection. Please go to
‘Status’ menu and write down the value of
‘MAC Address’, then present this value to the
owner of access point so he / she can add the
MAC address of your network adapter to his /
her access point’s list.
The network is slow / having 1. Move closer to the place where access point is
problem when transferring
located.
large files
2. There could be too many people using the same
radio channel. Ask the owner of the access
point to change the channel number.
Please try one or more solutions listed above.
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5-3 Glossary
IEEE 802.11n standard: 802.11n will work by utilizing multiple wireless antennas in
tandem to transmit and receive data. The associated term MIMO (Multiple Input,
Multiple Output) refers to the ability of 802.11n and similar technologies to
coordinate multiple simultaneous radio signals. MIMO increases both the range and
throughput of a wireless network. An additional technique employed by 802.11n
involves increasing the channel bandwidth.
IEEE 802.11g standard: 802.11g is the new IEEE standard for high-speed wireless
LAN communications that provides for up to 54 Mbps data rate in the 2.4 GHz band.
802.11g is quickly becoming the next mainstream wireless LAN technology for the
home, office and public networks.
802.11g defines the use of the same OFDM modulation technique specified in IEEE
802.11a for the 5 GHz frequency band and applies it in the same 2.4 GHz frequency
band as IEEE 802.11b. The 802.11g standard requires backward compatibility with
802.11b.
The standard specifically calls for:
A. A new physical layer for the 802.11 Medium Access Control (MAC) in the
2.4 GHz frequency band, known as the extended rate PHY (ERP). The ERP
adds OFDM as a mandatory new coding scheme for 6, 12 and 24 Mbps
(mandatory speeds), and 18, 36, 48 and 54 Mbps (optional speeds). The ERP
includes the modulation schemes found in 802.11b including CCK for 11 and
5.5 Mbps and Barker code modulation for 2 and 1 Mbps.
B. A protection mechanism called RTS/CTS that governs how 802.11g devices
and 802.11b devices interoperate.
IEEE 802.11b standard: The IEEE 802.11b Wireless LAN standard subcommittee,
which formulates the standard for the industry. The objective is to enable wireless
LAN hardware from different manufactures to communicate.
Ad-hoc: An Ad-hoc integrated wireless LAN is a group of computers, each has a
Wireless LAN card, Connected as an independent wireless LAN. Ad hoc wireless
LAN is applicable at a departmental scale for a branch or SOHO operation.
Infrastructure: An integrated wireless 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.
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BSS ID: A specific Ad-hoc LAN is called an Independent Basic Service Set (IBSS)
wherein the wireless devices directly communicate with each other without a central
AP/ router.
WEP: WEP is Wired Equivalent Privacy, a data privacy mechanism based on a 40 bit
shared key algorithm, as described in the IEEE 802 .11 standard.
TKIP: TKIP is a quick-fix method to quickly overcome the inherent weaknesses in
WEP security, especially the reuse of encryption keys. TKIP is involved in the IEEE
802.11i WLAN security standard, and the specification might be officially released by
early 2003.
AES: AES (Advanced Encryption Standard), a chip-based security, has been
developed to ensure the highest degree of security and authenticity for digital
information, wherever and however communicated or stored, while making more
efficient use of hardware and/or software than previous encryption standards. It is also
included in IEEE 802.11i standard. Compare with AES, TKIP is a temporary protocol
for replacing WEP security until manufacturers implement AES at the hardware level.
DSSS and FHSS: Frequency-hopping spread-spectrum (FHSS) uses a narrowband
carrier that changes frequency in a pattern that is known to both transmitter and
receiver. Properly synchronized, the net effect is to maintain a single logical channel.
To an unintended receiver, FHSS appears to be short-duration impulse noise.
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 is, 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. To an unintended receiver, DSSS appears as low power wideband
noise and is rejected (ignored) by most narrowband receivers.
Spread Spectrum: Spread Spectrum technology is a wideband radio frequency
technique developed by the military for use in reliable, secure, mission-critical
communication systems. It is designed to trade off bandwidth efficiency for reliability,
integrity, and security. In other words, more bandwidth is consumed than in the case
of narrowband transmission, but the trade off produces a signal that is, in effect,
louder and thus easier to detect, provided that the receiver knows the parameters of
the spread-spectrum signal being broadcast. If a receiver is not tuned to the right
frequency, a spread –spectrum signal looks like background noise. There are two main
alternatives, Direct Sequence Spread Spectrum (DSSS) and Frequency Hopping
Spread Spectrum (FHSS).
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WPS: WPS stands for Wi-Fi Protected Setup. It provides a simple way to establish
unencrypted or encrypted connections between wireless clients and access point
automatically. User can press a software or hardware button to activate WPS function,
and WPS-compatible wireless clients and access point will establish connection by
themselves. There are two types of WPS: PBC (Push-Button Configuration) and PIN
code.
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