Wireless LAN Adapter Series
11g
11n
EW-7708Pn
EW-7718Un
EW-7728In
EW-7717Un
EW-7727In
EW-7738Pn
EW-7748In
EW-7128g
EW-7318USg
EW-7318Ug
EW-7108PCg
User Manual
Version: 1.0 (January, 2008)
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C A T A L O G
CHAPTER I: Product Information..................................................................... 3
1-1 Introduction and safety information..................................................... 3
1-2 Safety Information............................................................................... 4
1-3 System Requirements......................................................................... 5
1-4 Package Contents............................................................................... 6
1-5 Familiar with your new wireless network card..................................... 8
CHAPTER II: DRIVER INSTALLATION AND CONFIGURATION .................. 19
2-1 Network Card Installation.................................................................. 19
2-2 Software Installation.......................................................................... 22
2-3 Connect to Wireless Access Point .................................................... 25
2-3-1Using Edimax Wireless Utility.................................................. 25
2-3-2Using Windows Zero Configuration......................................... 32
2-4 Connection Profile Management....................................................... 36
2-4-1 Make a profile for an access point or wireless device ............ 36
2-4-2 Using 802.1x – Certification.................................................... 44
2-4-3 Using 802.1x - CA Server....................................................... 47
2-5 View Network Statistics and Link Status ........................................... 48
2-5-1 Network Statistics ................................................................... 48
2-5-2 Link Status.............................................................................. 50
2-6 Advanced Settings ............................................................................ 53
2-7 QoS Setting....................................................................................... 57
2-8 WPS Configuration ........................................................................... 60
2-8-1 WPS Setup - PBC (Push-Button Configuration)..................... 61
2-8-2 WPS Setup - PIN.................................................................... 65
2-9 About................................................................................................. 67
CHAPTER III: Soft-AP Function ..................................................................... 69
3-1 Switch to AP Mode and Basic Configuration..................................... 69
3-2 Security Settings............................................................................... 74
3-3 Access Control.................................................................................. 77
3-4 Connection table............................................................................... 80
3-5 Event Log.......................................................................................... 82
3-6 Statistics............................................................................................ 83
CHAPTER IV: APPENDIX.............................................................................. 84
4-2 Troubleshooting ................................................................................ 84
4-3 Glossary............................................................................................ 87
4-4 FCC and CE Compliance Statements............................................... 92
2
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CHAPTER I: Product Information
1-1 Introduction and safety information
Thank you for purchasing this high-speed 802.11b/g and 11b/g/n
wireless network card!!
Main Features
z
Complies with 802.11n, 802.11g and 802.11b standards.
Provides further coverage, less dead spot and high throughput
(11n Adapter Up to 300Mbps with MIMO technology).
Supports WMM, WMM-PS (IEEE 802.11e QoS standard).
Supports 64/128-bit WEP, WPA (TKIP with IEEE 802.1x),WPA2
(AES with IEEE 802.1x) for high security level.
z
z
z
z
z
z
Supports operating system: Windows OS 2000/XP/XP64/Vista,
MAC OS 10.4.x /10.5.x and Linux
Supports WPS configuration button. (EW-7717Un, EW-7727In,
EW-7738Pn, EW-7748In only)
Supports USB 2.0/1.1 interface. (EW-7318USg, EW-7318Ug,
EW-7718Un, EW-7717Un only)
3
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1-2 Safety Information
In order to keep the safety of users and your properties, please
follow the following safety instructions:
1. This wireless network card is designed for indoor use only. DO
NOT expose this network card to direct sun light, rain, or snow.
2. DO NOT put this network card at or near hot or humid places,
like kitchen or bathroom. Also, do not left this wireless network
card in the car in summer.
3. This network card is small enough to put in a child’s mouth, and it
could cause serious injury or could be fatal. If they throw the
network card, the card will be damaged. PLEASE KEEP THIS
NETWORK CARD OUT THE REACH OF CHILDREN!
4. This network card will become hot when being used for long time
(This is normal and is not a malfunction). DO NOT put the
network card on a paper, cloth, or other flammable objects after
the network card has been used for a long time.
5. There’s no user-serviceable part inside the network card. If you
found that the network card is not working properly, please
contact your dealer of purchase and ask for help. DO NOT
disassemble the network card by your self, warranty will be void.
6. If the network card falls into water, DO NOT USE IT AGAIN
BEFORE YOU SEND THE CARD TO THE DEALER OF
PURCHASE FOR INSPECTION.
7. If you smell something strange or even see some smoke coming
out from the network card, switch the computer off immediately,
and call dealer of purchase for help.
4
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1-3 System Requirements
EW-7318USg/EW-7318Ug/EW-7718Un/EW-7717Un
„ An empty USB 2.0 port (May not work on USB 1.1 port, and
performance will be greatly reduced)
„ Windows 2000, 2003, XP, or Vista operating system
„ CD-ROM drive
„ At least 100MB of available disk space
EW-7108PCg/EW-7708Pn
„ An empty PCMCIA type II slot (CardBus Compatible)
„ Operation System: Windows 2000, XP, XP64, or Vista
„ CD-ROM drive
„ At least 100MB of available disk space
EW-7128g/EW-7727In/EW-7728In
„ An empty PCI slot
„ Windows 2000, 2003, XP, or Vista operating system
„ CD-ROM drive
„ At least 100MB of available disk space
EW-7738Pn
„ An empty PCIe ExpressCard slot
„ Windows 2000, 2003, XP, or Vista operating system
„ CD-ROM drive
„ At least 100MB of available disk space
EW-7748In
„ An empty PCIe slot
„ Windows 2000, 2003, XP, or Vista operating system
„ CD-ROM drive
„ At least 100MB of available disk space
5
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1-4 Package Contents
Before you starting to use this wireless network card, please check
if there's anything missing in the package, and contact your dealer
of purchase to claim for missing items:
EW-7318Ug / EW-7718Un / EW-7717Un
□ USB wireless adapter with Protection Cap (1 pcs)
□ USB Cable with Stand (1 pcs)
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7318USg
□ USB wireless adapter with Protection Cap (1 pcs)
□ USB Cable with Stand (1 pcs)
□ Antenna (1 pcs) .
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7128g
□ Wireless network PCI card (1 pcs)
□ Antenna (1 pcs) .
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7727In
□ Wireless network PCI card (1 pcs)
□ Antenna (2 pcs) .
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
6
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EW-7728In
□ Wireless network PCI card (1 pcs)
□ Antenna (3 pcs) .
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7748In
□ Wireless network PCIe card (1 pcs)
□ Antenna (3 pcs) .
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7108PCg / EW-7708Pn
□ Wireless network cardbus (1 pcs)
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
EW-7738Pn
□ Wireless network ExpressCard (1 pcs)
□ Quick installation guide (1 pcs)
□ User Guides / EZMAX Setup Wizard & driver CDROM (1 pcs)
7
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1-5 Familiar with your new wireless network card
EW-7318Ug
1. USB Connector
2. Connector Cap (To protect USB connector when not in use)
3. Link/Activity LED
2
3
1
Light
Status
LED Name
Description
Linked to a wireless access point /
Transferring data
On
Link/
Activity
Off
No wireless activity
8
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EW-7318USg
1. USB Connector
2. Connector Cap (To protect USB connector when not in use)
3. 4 dBi Hi-Gain detachable Antenna
4. Link/Activity LED
3
2
4
1
Light
Status
LED Name
Description
Linked to a wireless access point /
Transferring data
On
Link/
Activity
Off
No wireless activity
9
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EW-7717Un
5. USB Connector
6. Connector Cap (To protect USB connector when not in use)
7. Link/Activity LED
8. WPS Button (Press to activate WPS pairing mode)
2
1
3
4
Light
Status
LED Name
Description
Linked to a wireless access point /
Transferring data
On
Link/
Activity
Off
No wireless activity
10
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EW-7718Un
1. USB Connector
2. Connector Cap (To protect USB connector when not in use)
3. Link/Activity LED
3
2
1
LED Name
Light
Description
Status
Linked to a wireless access point /
Transferring data
On
Off
Link /
Activity
No wireless activity
11
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EW-7108PCg
1. PCMCIA Interface
2. CardBus golden stripe*
3. ‘Link’ LED
4. ‘Activity’ LED
1
2
4
3
*This stripe should be faced up when inserted to PCMCIA slot of
your computer, or as instructed.
Light
Status
LED Name
Link
Description
On
Linked to a wireless access point
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Off
Flashing
Off
Activity
12
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EW-7708Pn
5. PCMCIA Interface
6. CardBus golden stripe*
7. ‘Link’ LED
8. ‘Activity’ LED
1
4
3
2
*This stripe should be faced up when inserted to PCMCIA slot of
your computer, or as instructed.
Light
Status
LED Name
Link
Description
On
Linked to a wireless access point
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Off
Flashing
Off
Activity
13
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EW-7738Pn
1. ExpressCard Interface
2. Link/Activity LED
3. WPS Button (Press to activate WPS pairing mode)
2
3
1
Light
Status
LED Name
Description
Linked to a wireless access point /
Transferring data
On
Off
Link/
Activity
No wireless activity
14
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EW-7128g
1. PCI Interface
2. Detachable Antennas with Cable
3. ‘Link’ LED
4. ‘Tx / Rx’ LED
1
2
3, 4
Light
LED Name
Description
Status
On
Off
Linked to a wireless access point
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Link
Blinking
Off
Tx/Rx
15
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EW-7727In
1. PCI Interface
2. Antennas (2x)
3. ‘Link’ LED
4. ‘Tx / Rx’ LED
5. WPS Button
5
1
3, 4
2
Light
Status
LED Name
Description
On
Link to a wireless access point
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Link
Off
Blinking
Off
Tx/Rx
16
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EW-7728In
6. PCI Interface
7. Antennas (3x)
8. ‘Link’ LED
9. ‘Tx / Rx’ LED
2
3, 4
1
Light
Status
LED Name
Description
Linked to a wireless access point
On
Link
Off
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Blinking
Off
Tx / Rx
17
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EW-7748In
1. PCIe Interface
2. WPS Button
3. Antenna Connectors (3x)
4. ‘Link’ LED
5. ‘Tx/Rx’ LED
2
1
3
4 / 5
Light
LED Name
Description
Status
On
Linked to a wireless access point
Not linked to any wireless access point
Transferring / receiving data
No wireless activity
Link
Off
Blinking
Tx/Rx
Off
18
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CHAPTER II: DRIVER INSTALLATION AND
CONFIGURATION
2-1 Network Card Installation
Please follow the following instructions to install your new USB
wireless network card:
EW-7318USg/ EW-7318Ug / EW-7718Un / EW-7717Un
1. Fasten the antennas to the antenna connectors on the network
card by clockwise direction. (EW-7318USg only)
2. Insert the USB wireless network card into an empty USB 2.0 port
of your computer when computer is switched on.
Never use force to insert the card, if you feel it’s stuck,
flip the card over and try again.
3. The following message will appear on your computer, click
‘Cancel’.
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EW-7128g/ EW-7727In/ EW-7728In / EW-7748In
1. SWITCH THE COMPUTER OFF, remove the cover and insert
the wireless network card into an empty PCI slot
(EW-7128g/EW-7728In) or PCIe slot (EW-7748In) of your
computer.
2. Fasten the antennas to the antenna connectors on the network
card by clockwise direction.
3. You can bend the antenna to fit actual needs.
4. To improve radio reception, please adjust antennas to the
position shown in the picture.
5. Switch the computer on, the following message will appear on
your computer, please click ‘cancel’.
20
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EW-7108PCg/ EW-7708Pn / EW-7738Pn
1. Please insert the wireless network card into an empty PCMCIA
slot (EW-7108PCg/EW-7708Pn) or ExpressCard slot
(EW-7738Pn) of your computer. You can insert the card when
the computer is power off or on
Don’t use force to insert the card into PCMCIA or PCIe
ExpressCard slot; if you feel it get stuck, remove it and flip
the card upside down, and then try again
2. The following message will appear on your computer, click
‘Cancel’.
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2-2 Software Installation
This wizard can be run in Windows 2000/XP/Vista. The following
procedures are operated in Windows XP.
You can install the Wireless Adapter by EZMAX Setup Wizard in
the CD-ROM including in the package. The wizard is an easy and
quick configuration tool for internet connection with series process.
When you start EZMAX Setup Wizard, you will get the following
welcome screen. Please choose the language to start the
configuration. The wizard will guide you to finish your network
connection. We will not provide any instruction for the EZMAX
Setup Wizard here.
If you lose the CD ROM or you prefer the traditional setup
procedure, please follow the instruction as following step in
this quick installation guide.
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2.2.1 Please execute ‘Edimax_xxxx_Setup.exe’ program to install
your wireless adapter. Please read the end user license
agreement and click ‘I accept the terms of the license
agreement’ and ‘Next’ to accept license agreement.
2.2.2 You can choose the configuration tool used to configure the
wireless network card here. It’s recommended to select
‘Edimax Configuration Tool’, which provides fully access to all
function of this wireless network card. If you prefer to use the
wireless configuration tool provided by Windows XP or Vista,
please select ‘Microsoft Zero Configuration Tool’, and then
click ‘Next’.
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2.2.3 Please select ‘Optimize for WiFi mode’ for wireless
compatibility, then click ‘Next’.
If you want to enhance wireless performance, please select
‘Optimize for performance mode’. However, wireless
compatibility is not guaranteed in this mode. Please refer to
user manual for details of performance mode.
2.2.4 When you see this message, please click ‘Finish’ to complete
the driver installation process.
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2-3 Connect to Wireless Access Point
After the driver is correctly installed, it will try to connect to any
unencrypted wireless access point automatically. If you want to
connect to a specific wireless access point, or the access point you
wish to connect uses encryption, you have to configure the wireless
network card and input required parameters, to get connected to
the wireless access point you wish to connect.
There are two ways you can configure your wireless network card
to connect to wireless access point: using the Edimax configuration
utility which comes with wireless card driver, and using built-in
windows zero configuration utility.
2-3-1Using Edimax Wireless Utility
Please follow the following instructions to use Edimax configuration
utility to connect to wireless access point.
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
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2. Configuration utility will scan for all wireless access points
automatically. Scan results will be displayed here, please check
if the wireless access point with the SSID (the name of wireless
access point) you preferred is shown here.
If the wireless access point you wish to connect does not show
here, please click ‘Rescan’ to try again, until the one you
preferred is displayed. You may have to click ‘Rescan’ for more
than two times before you can see the access point you wish to
use here sometimes.
If you still can not see the access point you wish to use after
clicking ‘Rescan’ for more than five times, please move your
computer closer to the location where the wireless access point
is, or see instructions in chapter 4-2 ‘Troubleshooting’.
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Here are descriptions of every setup item:
SSID:
The Service Set Identifier of wireless access
point or other network device. You can think it
as the name of access point of wireless device.
BSSID:
The MAC address of wireless access point or
other network device. Unlike SSID, BSSID of
every access point or network device is unique,
and will not be the same with others. So you
can identify a single access point or wireless
device from others by BSSID, if they all have
the same SSID.
Signal:
Shows the signal strength of access point or
wireless device. Larger number means better
radio strength, which often means you’re not
too far from that access point or wireless
device.
Channel:
Shows the channel number that access point or
wireless device uses.
Encryption:
Shows the encryption method that access point
or wireless device uses. If the wireless access
point does not enable encryption, you’ll see
‘None’ displayed here.
Authentication: Shows the authentication mode that access
point or wireless device uses. If the wireless
access point does not require authentication,
you’ll see ‘Unknown’ displayed here.
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Network Type: Shows the type of wireless connection. If it’s a
wireless access point, ‘Infrastructure’ will be
displayed here; if it’s a computer or network
device, ‘AdHoc’ will be displayed here.
Tips:
Wireless access point (Infrastructure) is a network device
which acts as a bridge, to let wired and wireless network
devices communicate with each other.
AdHoc is another connection type. A computer or network
device can establish a direct wireless link with other computer
or network device directly, without the help of wireless access
point.
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3. Click the wireless access point or network device you wish to
connect, it will be highlighted, then click ‘Connect’.
If the access point you selected does not enable encryption (The
content of ‘Encryption’ field of the access point you selected is
‘None’, you’ll be connected to this wireless access point within
one minute. Please jump to step 6.
If the access point you selected enables encryption, please
proceed to next step.
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4. If the wireless access point does not have SSID, you’ll be
prompted to input it here. Please ask the owner of wireless
access point and input the exact SSID here, then click ‘OK’
when ready. If the SSID you provided here is wrong, you’ll not be
able to connect to this access point.
If the wireless access point you selected have SSID, please
skip this step.
5. If the wireless access point uses encryption, you have to input
WEP passphrase or WPA preshared key. Please ask the owner
of the wireless access point you want to connect, and input the
correct passphrase / preshared key here, then click ‘OK’. If the
value you inputted here is wrong, you will not be able to connect
to this wireless access point.
Authentication type is selected automatically, please don’t
change it.
If the access point you selected does not enable encryption
and does not require authentication, please skip this step.
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6. You’ll see ‘Connected <-> SSID’ (‘SSID’ is the SSID of the
wireless access point or wireless device you connected to)
message displayed at lower-left corner of configuration utility,
congratulations, you’re successfully connected to the access
point or wireless device you selected!
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2-3-2Using 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 Edimax configuration utility icon and select ‘Use Zero
Configuration as Configuration utility.
2. 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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3. Click ‘Connect to a network’ under ‘Network Connections’
4. 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 ‘Edimax 802.11n
Wireless LAN Card), then select ‘View Available Wireless
Networks’.
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5. 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’.
6. 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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7. If you can see ‘Connected’ message, the connection between
your computer and wireless access point is successfully
established.
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2-4 Connection Profile Management
If you need to connect to different wireless access points at
different time, like of access point of your home, office, cybercafe,
or public wireless service, you can store the connection parameters
(encryption, passphrase, security etc, etc.) as a profile for every
access point, so you don’t have in input these parameters every
time you want to connect to a specific wireless access point.
2-4-1 Make a profile for an access point or wireless device
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
2. There are two ways to add a new connection profile:
Create a new profile,orAdd a profile from an existing wireless
access point or wireless device
If you want to click new profile, click ‘Profile’ tab, then click ‘Add’
button:
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Or, you can add a connected wireless access point or wireless
device to a profile by clicking ‘Site Survey’ tab, then click ‘Add to
Profile’ button:
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And you can set the parameter for this connection here:
Here are descriptions of every setup items:
Profile Name
Please give this profile a name, up to 32
alphanumerical characters and symbols are
allowed, but space is not allowed.
SSID
The SSID of the wireless access point or
wireless device you selected will be displayed
here. But if the SSID of access point or wireless
device is not available, you have to input it here
manually.
PSM:
Please select CAM (constantly awake mode,
keep
(Power Saving
Mode)
the wireless radio activity when not transferring
data), or PSM (Power saving mode, switches
radio off when not transferring data).
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It’s recommended to choose ‘PSM’ if you’re
using this network card with notebook computer
to help the battery live longer.
Network Type
Select network type (‘Ad Hoc’ or ‘Infrastructure’).
If you’re adding a profile from an existing
access point or wireless device, it’s
automatically selected and you don’t have to
change it.
Preamble
This option is only available when the network
type is ‘Ad hoc’. You can select ‘Auto’ or ‘Long
Preamble’. Please select ‘Auto’ if you don’t
know what it is.
RTS Threshold
Check the box and you can set RTS threshold
manually here. Do not modify default setting
unless you know what it is.
Fragment
Threshold
Check the box and you can set fragment
threshold
manually here. Do not modify default setting
unless you know what it is.
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Now click ‘Authentication and Security’ tab, and set the encryption
and authentication settings.
Here are descriptions of every setup items:
Authentication
access
Select the authentication type of the wireless
Type
point or wireless device you wish to connect. If
you’re adding a profile from an existing access
point or wireless device, the value will be
selected automatically, and please do not
modify it.
If you select ‘LEAP’, the following message will
be displayed. Please input LEAP identity,
password, domain name, and select encryption
type. You can check ‘Show Password’ box so
the password you inputted will be displayed as
you type, but not replace by asterisk.
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Encryption:
Select the encryption type of the wireless
access point or wireless device you wish to
connect. If you’re adding a profile from an
existing access point or wireless device, the
value will be selected automatically, and please
do not modify it.
WPA
Input WPA preshared key here. If encryption is
not
Preshared Key
enabled, or you select ‘WEP’ as encryption type,
this field will be disabled and grayed out.
WEP Key
You can select key type (Hex or ASCII) and
input WEP key here. If encryption is not enabled,
or you select ‘WPA’ as encryption type, this field
will be disabled and grayed out.
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Show Password Check this box and all passphrases or security
keys you inputted will be displayed as you type,
but not replace your input with asterisk.
Use 802.1x
Enable 802.1x wireless authentication. Please
click ‘802.1x Setting’ button to set 802.1x
parameters. (See next section).
After you finish all settings, clicking ‘Activate’, then click ‘OK’ to
save settings and exit. The profile you just created will be
displayed:
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Select the profile you wish to use, and click ‘Activate’ to use the
profile you selected. You can only activate a profile a time, and the
profile which is activated currently will have a green check ( )
before its name. If the wireless access point is not reachable, a red
check ( ) will be displayed before its name.
If you want to change the connection parameters of a specific
profile, just select it and click ‘Edit’ button, you’ll be prompted to
input the connection parameters, just like you’re creating a new
profile.
If you no longer need a profile, select the profile then click ‘Delete’.
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2-4-2 Using 802.1x – Certification
After you click ‘802.1x Setting’, a new window will appear:
Here are descriptions of every setup items:
Authentication Please select an 802.1x authentication type here.
Type
The type you select here must be identical to the
type of the 802.1x authentication type you’re using.
Session
You can enable or disable session resumption here.
Resumption If you don’t know if you should enable session
resumption or not, please ask your 802.1x
authentication administrator.
Identity
Please input 802.1x identity here.
Password
Please input the password of 802.1x identity here.
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Domain Name
Use Client
Please input the domain name of 802.1x
authentication here. This field will be grayed out
when authentication type is not ‘EAP-FAST’.
If the authentication type you use is ‘PEAP’ or
‘TTLS’, you can use the certificate stored on
your computer. If the authentication type you
use is ‘TLS/Smart Card’, this box is always
checked.
More..
Allow
After you clicked this button, you’ll be prompted
to select a certificate on your computer.
This box is always checked and can not be
modified.
unauthenticated
provision mode
Use protected
authentication
credential
If the authentication type you use is ‘EAP-FAST’
you can use protected authentication credential
by check this box.
Remove
Import
Remove the credential you imported previously.
Import the authentication credential file (PAC or
al file format), you’ll be prompted to select a
credential file from your computer.
Protocol
You can select the protocol of tunneled
authentication here. This pulldown menu is only
available when authentication type you use is
‘PEAP’ or ‘TTLS’. When you use ‘EAP-FAST’ as
authentication type, the protocol setting is
always ‘Generic Token Card’ and can not be
changed.
Identity
Please input the identity of tunneled
authentication
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(of tunneled
here.
authentication)
Password
Please input the password of tunneled
authentication
here.
(of tunneled
authentication)
Password Mode Please select the password mode of
‘EAP-FAST’ authentication mode. This setting is
hidden when the authentication type is not
‘EAP-FAST’.
After you finish all settings, click ‘OK’ to save settings and exit.
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2-4-3 Using 802.1x - CA Server
If you want to use CA server, please click ‘CA Server’ tab. And the
following message will be displayed:
Here are descriptions of every setup items:
Use certificate
chain.
Check this box to enable the use of certificate
Certificate
Issuer
Please select the issuer of certificate from this
dropdown menu.
Allow
intermediate
certificates
Check this box if you wish to allow intermediate
certificates.
Server name
Input the server name of CA server here.
Server name
must match
exactly
Check this box and the wireless configuration
utility will check if the server name of CA server
you set here is exactly matched with the CA
server connected to. If they don’t match,
connection will be
dropped.
Domain name
must end
Check this box and the wireless configuration
utility
will check the end of domain name. If there’s
in specified name anything wrong, connection will be dropped.
After you finish all settings, click ‘OK’ to save settings and exit.
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2-5 View Network Statistics and Link Status
The configuration utility provides information about network
statistics and link status. If you want to know how your wireless
network card works, you can use these functions to get detailed
information about the wireless connection you’re using.
2-5-1 Network Statistics
Please follow the following instructions to check network statistics:
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
2. Click ‘Statistics’ tab, and the statistics of wireless connection will
be displayed:
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All connection-related statistics is displayed here. You can click
‘Reset Counter’ to reset the statistics of all items back to 0.
Click ‘OK’ to close the window.
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2-5-2 Link Status
Please follow the following instructions to check network statistics:
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
2. Click ‘Link Status’ tab, and information about current wireless
connection will be displayed:
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These information displayed here are updated every second,
and here are descriptions of every item:
Status
Displays the SSID and BSSID of connected
wireless access point or wireless device
(displayed as SSID <-> BSSID as shown in
above picture. If there’s no active connection
currently, ‘Disconnected’ will be displayed here.
Extra Info
Displays the link status (‘Link is up’ or Link is
down’, and the radio transmitting power of your
network card.
Channel
Displays the radio channel being used now.
Link Speed
Displays the link speed of data transmitting (Tx,
in Mbps) and receiving (Rx, in Mbps). Link
speed is the maximum available data transfer
speed of the wireless connection, and depends
on the radio signal quality of wireless
connection.
Throughput
Link Quality
Displays the rate of data transmitting (Tx, in
Kbps) and receiving (Rx, in Kbps).
Displays link quality (radio signal quality). When
the link quality is better, the wireless link speed
will be better, too. Link quality is displayed by
percentage and a descriptive word (Good,
normal, weak, and low).
Signal Strength 1 Displays the radio signal strength of built-in
antenna 1.
Signal Strength 2 Displays the radio signal strength of built-in
antenna 2.
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Noise Level
dBm
Displays the percentage or level of noise
(unusable) signal. If the value of this item is
high, data transfer rate will drop.
Check this box and the value of signal strength
and noise level will be displayed in dBm level
instead of percentage.
There are several wireless statuses available at the bottom of this
window.
For their explanations, please see chapter 4-3 ‘Glossary’.
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2-6 Advanced Settings
This wireless network card provides several advanced settings for
experienced wireless users. You can change these settings to
increase data transfer performance, or change operation mode.
Please follow the following instructions to set advanced wireless
settings:
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
2. Click ‘Advanced’ tab, and the following settings will appear:
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Here are descriptions of every setup items:
Wireless mode
Select wireless operation mode, available
options are 802.11 B/G mix, 802.11 B only, and
802.11 B/G/N mix. You can select 802.11 B/G/N
mix to maximize wireless compatibility with
wireless access points and other wireless
devices. Anyway, you can set this setting to
‘802.11 B only’ when you’re going to
communicate with old 802.11b wireless devices
and you got problem using other two modes.
Wireless
Protection
This setting helps your network card to avoid
interference with other wireless devices when
there are both 802.11b and 802.11g wireless
devices in the same place. It’s recommended to
set this setting to ‘Auto’ , since enabling this
setting will slightly reduce the data transfer
performance.
TX Rate
Normally, the wireless network card will adjust
transfer rate automatically according to wireless
signal quality. However, you can fix the data
transfer rate to a lower fixed rate if you think
there’s some problem about data transfer, or
you’re too far from wireless access point. It’s
recommended to set this setting to ‘Auto’,
unless you really know the meaning of this
setting.
Tx BURST
Check this box to accelerate the data transmit
rate. It may not work with all wireless access
point and wireless devices.
Enable TCP
Window Size
Check this box and the configuration utility will
adjust TCP window size automatically, to get
better performance. It should be safe for most
of wireless environments, but if you found some
problem on data transfer, uncheck this box.
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Fast Roaming at Check this box and you can adjust the threshold
of when this wireless network card should
switch to another wireless access point with
better signal quality. Only adjust value when
you understand what it means.
Turn off RF
Select Your
Click this button to switch wireless radio off,
click itagain switch wireless radio on.
Select the country / region code of the place
you’re
Country Region
Code
living. Different country / region has different
regulations on wireless devices, and it’s
forbidden to use certain channel (radio
frequency) in some countries or regions.
The operating frequency channel will be
restricted to the country / region user located
before importing.
Show
Authentication
Status Dialog
When your computer is being authenticated by
wireless authentication server, a dialog window
with the process of authentication will appear.
This function is helpful to find out the problem
when you can not be authenticated, and you
can provide this information to authentication
server’s administrator for debugging purpose.
Enable CCX
Enable Cisco Compatible eXtensions. CCX is a
wireless feature developed by Cisco used to
improve the wireless performance with CCX
compatible wireless devices. Check this box if
you need to connect to CCX-compatible
wireless devices.
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Turn on CCKM
Check this box to enable CCKM (Cisco
Centralized Key Management), which enables
wireless clients to roam between
CCKM-enabled access points in very short
time.
Enable Radio
Measurement
When you’re connecting to CCX-compatible
access point, check this box to enable radio
measurement function to improve wireless
connectivity.
Non-Serving
Channel
When you’re connecting to CCX-compatible
access point, check this box to enable
measurement
Measurements
on unused radio channels to improve wireless
connectivity.
Limit ---
milliseconds
Limit the time used for said measurement to a
certain time. Default value is 250.
After you finish the settings, click ‘Apply’ to apply new settings, and
click ‘OK’ to close configuration utility.
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2-7 QoS Setting
This wireless network card provides QoS (Quality of Service)
function, which can improve the performance of certain network
applications, like audio / video streaming, network telephony (VoIP),
and others. When you enable WMM (Wi-Fi MultiMedia) function of
this network card, you can define the priority of different kinds of
data, to give higher priority to applications which require instant
responding. Therefore you can improve the performance of such
network applications.
Please follow the following instructions to set advanced wireless
settings:
Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch Config
Utilities’.
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Click ‘QoS’ tab, and the following settings will appear:
Here are descriptions of every setup items:
WMM Enable
Check this box to enable WMM function. Please
click ‘Apply’ button on the right of this check box
after you check or uncheck this box, so
corresponding settings in this window will be
activated or deactivated respectively.
WMM - Power
Save Enable
Enable WMM power saving mode to save
energy
and lets your battery live longer.
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Setting...
Click this button to select the WMM data type
which will suppress the function of power
saving. When this kind of data is transferring,
power saving function will be disabled.
Available data types are AC_BK (Background /
Low Priority), AC_BE (Best Effort), AC_VI
(Video First), and AC_VO (Voice First).
Direct Link
Enable or disable direct link setup (DLS)
function.
Setup Enable
This function will greatly improve the data
transfer rate between WMM-enabled wireless
devices. Please click ‘Apply’ button on the right
of this check box after you check or uncheck
this box, so corresponding settings in this
window will be activated or deactivated
respectively.
MAC Address
Input the MAC address of another
WMM-enabled
wireless device you wish to establish a direct
link here, then click ‘Apply’ to add this MAC
address to DLS address table.
Timeout Value
direct
Input the timeout value of this WMM-enabled
link wireless device. If the wireless
device is not responding after this time, it will be
removed from DLS table.
Tear Down
If you want to remove a specific wireless device
from DLS table, select the device and click this
button to remove it.
After you finish the settings, click ‘OK’ to close configuration utility.
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2-8 WPS Configuration
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. All
you have to do is go to the WPS setup page of this wireless card,
click a button, and then press a specific button 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 network card comes with a unique WPS
pin code; you can just input the code to wireless access point, and
the wireless access point and wireless network card will do the rest
for you.
This wireless network card 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 following
instructions to establish secure connection between WPS-enabled
wireless access point and your wireless network card:
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2-8-1 WPS Setup - PBC (Push-Button Configuration)
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch Config
Utilities’.
2. Click ‘WPS Configuration’ tab, and the following settings will
appear:
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3. Set ‘Config Mode’ to ‘Enrollee’, and then push the ‘WPS’
button on your wireless access point (the button used to activate
WPS standby mode may have another name), or use other way
to start WPS standby mode as the instruction given by your
wireless access point’s user manual.
4. Before you start to establish the wireless connection by using
WPS, you can click ‘Rescan’ button to search for WPS-enabled
access points near you, to make sure the WPS function of your
access point is activated.
All access points with WPS function enabled will be displayed.
Please make sure the access point you wish to connect is
displayed. If not, please click ‘Rescan’ few more times. You can
also click ‘Information’ button to see the detailed information about
selected access point.
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5. Start PBC pairing procedure at access point side (please refer to
the instruction given by your access point’s manufacturer), then
click ‘PBC’ button in wireless configuration utility to start to
establish wireless connection by WPS. Please be patient (This
may require several seconds to one minute to complete). When
you see ‘WPS status is connected successfully’ message, means
the connection between your wireless network card and access
point is successfully connected by WPS, and the information
about access point you connected to will be displayed.
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Sometime WPS may fail, and you can click ‘PBC’ button few more
times to try again. When an access point is connected, you can
click ‘Disconnect’ to disconnect your wireless network card from a
connected access point, or select another WPS-enabled wireless
access point, then click ‘Connect’ to establish connection to
selected access point, if there are more than one WPS-enabled
access point found. You can also click ‘Rotate’ button, and next
access point on the list will be selected to establish connection.
If you want to delete a found access point from the list, select it and
click ‘Delete’ button.
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2-8-2 WPS Setup - PIN
If the wireless access point you wish to connect supports PIN,
please follow the following instructions to establish connection to it:
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch Config
Utilities’.
2. Click ‘WPS Configuration’ tab, and the following settings will
appear:
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The PIN number of your wireless network card 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).
NOTE: The PIN code of every wireless network card is
DIFFERENT. Please don’t use the sample code shown here.
3. Click ‘PIN’ button now, and wait for few seconds to one minute. If
a wireless access point with correct PIN code is found, you’ll be
connected to that access point:
You may have to click ‘PIN’ for few more times to try again. If you
still can not connect to access point by this way, please make
sure the PIN code you provided to access point is correct.
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2-9 About
The ‘About’ tab provides you the information about version
numbers of configuration utility, firmware, and other important
information about your wireless network card.
Please follow the following instructions to see these information:
1. Right-click the Edimax configuration utility icon located at
lower-right corner of computer desktop, then click ‘Launch
Config Utilities’.
2. Click ‘About’ tab, and the following settings will appear:
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If you need assistance about network problem, you’ll need these
web site of network card driver manufacturer and get more
information about your wireless network card.
Please click ‘OK’ to close configuration utility.
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CHAPTER III: Soft-AP Function
Excepting become a wireless client of other wireless access points,
this wireless card can act as a wireless service provider also! You
can switch this wireless card’s 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 card.
3-1 Switch to AP Mode and Basic Configuration
The operating mode of the wireless card is ‘Station Mode’
(becoming a client of other wireless access points) by default. If you
want to switch to AP mode, please right-click Edimax utility icon,
and select ‘Switch to AP Mode’.
After you select ‘Switch to AP Mode’, the Edimax utility icon will
change:
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Which indicated the wireless card is operating in AP mode now. If
you want to switch the wireless card back to station mode (become
a client of other wireless access points), click ‘Switch to Station
Mode’.
A configuration window will appear after you switch the operation
mode to ‘AP’ or click ‘Launch Config Utilities’ after you right-click
the Edimax configuration utility, which asks you to assign an
existing network card with internet connection:
If your computer has another network card which is connected to
Internet, please select it from ‘Name’ dropdown menu, and click
‘Enable ICS’; if your computer does not have another network card
with Internet connection, please click ‘Not enable ICS’.
After you click ‘Enable ICS’ or ‘Not enable ICS’, you’ll see the basic
configuration menu of the AP function:
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Here are descriptions of every setup items:
SSID
Please input the SSID (the name used to
identify
this wireless access point) here. Up to 32
numerical characters can be accepted here,
excepting space.
TX Rate
Please select the data transfer rate here. The
maximum TX rate you can select here depends
on the wireless mode you’re using. It’s safe to
select ‘Auto’ to let wireless card select a proper
TX rate according to the strength and quality of
radio signal. When the wireless mode is set to
‘802.11 B/G/N Mix’, TX Rate will be set to ‘Auto’
and cannot be changed.
Channel
Please select the wireless channel you wish to
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use. The number of channels available here will
vary depends on the setting of ‘Country Region
Code’.
Wireless Mode
Please select the wireless operating mode. You
can limit the type of wireless client to 802.11b or
802.11g only, or allow 802.11b/g, and
802.11b/g/n clients. It’s safe to select ‘802.11
B/G/N mix’ to allow all kinds of wireless client to
connect to your computer, unless you want to
limit the type of wireless client allowed to
connect to your computer.
Use Mac
Address
Click this button to use the MAC address of the
wireless card as SSID. A prefix of ‘AP’ will be
added.
Security
Setting
Set the security options (wireless data
encryption)
Please refer to chapter 3-2 ‘Security Settings’
for details.
Country
Region Code
Available options are 0-7, which will affect the
available wireless channels you can use:
0: FCC (US, Canada, and other countries uses
FCC radio communication standards)
1: ETSI (Europe)
2: SPAIN
3: FRANCE
4: MKK
5: MKKI (TELEC)
6: ISERAL (Channel 3 to 9)
7: ISERAL (Channel 5 to 13)
The operating frequency channel will be
restricted to the country / region user located
before importing.
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Wireless
Wireless protection will prevent data collision
when
Protection
there are both 802.11b and 802.11g clients. You
can select ‘Auto’ to let configuration utility to
decide to use wireless protection or not. You
can also select ‘ON’ or ‘OFF’ to force the use of
wireless protection or not.
Beacon(ms)
You can define the time interval that a beacon
signal should be send. Default value is 100. Do
not modify this value unless you know what will
be affected.
Idle Time
Select the idle time of your wireless network
card. Default value is 300. Do not modify this
value unless you know what will be affected.
No forwarding
Check this box and wireless clients will not be
able
among wireless
clients
to share data with each other.
Hide SSID
Check this box and the SSID will not be
broadcasted to the public. Your wireless clients
must know the exact SSID to be able to connect
to your computer.
This option is useful to enhance security level.
Allow BW
40 MHz
Check this box to allow BW 40MHz capability.
Default
Click this button to restore all settings in this
page back to default value.
Apply
Click this button to activate current settings.
To exit, click ‘X’ button at the upper-right corner of configuration
window.
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3-2 Security Settings
This wireless card supports wireless encryption in AP mode, which
will encrypt the data being transferred over the air to enhance data
security level. It’s recommended to enable data encryption unless
you wish to open your computer (and its internet connection) to the
public.
When you click ‘Security Setting’ in Edimax configuration utility, the
following window will appear:
Here are descriptions of every setup items:
Authentication
Type
Please select a wireless authentication type you
wish to use. Available options are ‘Open’,
‘Shared’,
‘WPA-PSK’, ‘WPA2-PSK’, and ‘WPA-PSK /
WPA2-PSK’. If you want to disable wireless
data encryption, you must select ‘Open’ or
‘Shared’.
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Encryption
available
Type
Please select an encryption mode. The
options in this setting item will vary depending
on the authentication type you select. If you
select ‘Not Use’, data will not be encrypted and
people with some networking knowledge will be
able to read the data you transfer with proper
tool.
NOTE: WPA encryption is safer than WEP,
however, some older wireless clients don’t
support WPA encryption.
WPA Pre-shared Please input the WPA pre-shared key here.
Only
Key
clients with the same pre-shared key you
inputted
here will be able to connect to your computer.
This setting is only available when you select
one of WPA encryptions.
Group Rekey
Interval
You can specify the time interval to re-issue the
key
to your wireless clients here. You can click the
button ’10 seconds’ or ‘Kpackets’ to change the
unit of time interval. (every 10 seconds or a
thousand data packets times the value you
specified in ‘Group Rekey Interval’ field)
Wep Key
#1 ~ #4
Please input the WEP encryption key here
when you
select ‘WEP’ as encryption type. There are 2
types of WEP key: Hex (number 0 to 9, and
ASCII characters A to F) and ASCII (all
alphanumerical characters plus symbols).
Please select the type of WEP key first, and
then input the WEP key according to the type of
WEP key you selected.
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If you want to use WEP 64 bits encryption,
please input 10 characters if you select HEX, or
input 5 characters if you select ASCII; If you
want to use WEP 128bits encryption, please
input 26 characters if you select HEX, or input
13 characters if you select ASCII. 128 bits
encryption is safer then 64 bits, but the data
transfer speed will be slightly reduced.
Show Password Check this box and the WPA pre-shared key
orWEP key you inputted will be shown, but not
replaced by asterisk (*).
OK
Click this button to save changes you made in
this page.
Cancel
Click this button to discard all changes you
made in this window.
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3-3 Access Control
If you’re not going to open your computer and wireless resources to
the public, you can use MAC address filtering function to enforce
your access control policy, so only wireless clients with MAC
address you defined by this function can be connected to your
software access point.
Please follow the following instructions to set access control based
on MAC address:
1. Right-Click Edimax configuration utility icon, and select ‘Switch to
AP Mode’
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2. Click ‘Access Control’ tab, and the following messages will
appear:
Here are descriptions of every setup items:
Access Policy
Select the policy type of your access rule:
Disable: Allow any wireless client with proper
authentication settings to connect to this access
point.
Allow All: Only allow wireless clients with MAC
address listed here to connect to this access
point.
Reject All: Reject wireless clients with MAC
address listed here to be connected to this
access point.
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MAC address
you
Input the MAC address of the wireless client
you wish to allow or reject here. No colon (:) or
hyphen (-) required.
Add
Add the MAC address you inputted in ‘MAC
address’ field to the list.
Delete
click
Please select a MAC address from the list, then
‘Delete’ button to remove it.
Remove All
Apply
Delete all MAC addresses in the list.
Save and apply changes you made.
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3-4 Connection table
If you want to see the list of all wireless clients connected to this
access point, please follow the following instructions:
1. Right-Click Edimax configuration utility icon, and select ‘Switch to
AP Mode’
2. Click ‘Mac Table’ tab, and a list containing all connected wireless
clients will appear:
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Here are descriptions of every fields:
MAC Address
client.
Displays the MAC address of this wireless
AID
The serial number of this wireless connection.
Displays the capability of power-saving function
this wireless client.
Power Saving
of
Mode
Status
mode
Displays additional information of this wireless
Connection, like current wireless operating
and data transfer rate.
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3-5 Event Log
This software access point will log all wireless-related activities as a
log. You can follow the following instructions to view the content of
the event log:
1. Right-Click Edimax configuration utility icon, and select ‘Switch to
AP Mode’
2. Click ‘Event Log’ tab, and the event log will be displayed:
You can click ‘Clear’ to remove all entries in the log.
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3-6 Statistics
If you want to know detailed information about how your software
access point works, you can follow the following instructions to view
the statistics of the access point:
1. Right-Click Edimax configuration utility icon, and select ‘Switch to
AP Mode’
2. Click ‘Statistics’ tab, and the event log will be displayed:
You can click ‘Reset Counter’ button to reset all counters to zero.
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CHAPTER IV: APPENDIX
4-2 Troubleshooting
If you encounter any problem when you’re using this wireless
network card, 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
by yourself!
Scenario
Solution
I can’t find any wireless 1. Click ‘Rescan’ for few more times
access point / wireless
device in ‘Site Survey’
function.
and see if you can find any wireless
access point or 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 network
card (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 1. Please make sure the wireless
I click ‘Launch config
utilities’
network card is inserted into your
computer’s USB port. If the Edimax
configuration utility’s icon is black,
the network card is not detected by
your computer.
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2. Reboot the computer and try again.
3. Remove the card 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 with a
certain wireless access
point
1. Click ‘Connect’ for few more times.
2. If the SSID of access point you wish
to connect is hidden (nothing
displayed in ‘SSID’ field in ‘Site
Survey’ function), you have to input
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 address to establish
connection. Please go to ‘About’ tab
and write the value of ‘Phy_Addess’
down, then present this value to the
owner of access point so he / she
can add the MAC address of your
network card to his / her access
point’s list.
The network is slow /
having problem when
transferring large files
1. Move closer to the place where
access point is located.
2. Enable ‘Wireless Protection’ in
‘Advanced’ tab.
3. Try a lower TX Rate in ‘Advanced’
tab.
4. Disable ‘Tx Burst’ in ‘Advanced’ tab.
5. Enable ‘WMM’ in ‘QoS’ tab if you
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need to use multimedia / telephony
related applications.
6. Disable ‘WMM – Power Save Enable’
in ‘QoS’ tab.
7. There could be too much 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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4-3 Glossary
1. What is the 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.
2. What is the 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.
3. What does IEEE 802.11 feature support?
The product supports the following IEEE 802.11 functions:
z
z
z
z
z
z
CSMA/CA plus Acknowledge Protocol
Multi-Channel Roaming
Automatic Rate Selection
RTS/CTS Feature
Fragmentation
Power Management
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4. What is 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.
5. What is Infrastructure?
An integrated wireless and 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.
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 Wired Equivalent Privacy, a data privacy mechanism
based on a 40 bit shared key algorithm, as described in the
IEEE 802 .11 standard.
8. What is 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.
9. What is 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.
10. Can Wireless products support printer sharing?
Wireless products perform the same function as LAN products.
Therefore, Wireless products can work with Netware, Windows
2000, or other LAN operating systems to support printer or file
sharing.
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11. Would the information be intercepted while transmitting
on air?
WLAN features two-fold protection in security. On the
hardware side, as with Direct Sequence Spread Spectrum
technology, it has the inherent security feature of scrambling.
On the software side, WLAN series offer the encryption
function (WEP) to enhance security and Access Control. Users
can set it up depending upon their needs.
12. What is DSSS? What is FHSS? And what are their
differences?
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.
13. What is 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).
14. What is WMM?
Wi-Fi Multimedia (WMM), a group of features for wireless
networks that improve the user experience for audio, video
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and voice applications. WMM is based on a subset of the IEEE
802.11e WLAN QoS draft standard. WMM adds prioritized
capabilities to Wi-Fi networks and optimizes their performance
when multiple concurring applications, each with different
latency and throughput requirements, compete for network
resources. By using WMM, end-user satisfaction is maintained
in a wider variety of environments and traffic conditions. WMM
makes it possible for home network users and enterprise
network managers to decide which data streams are most
important and assign them a higher traffic priority.
15. What is WMM Power Save?
WMM Power Save is a set of features for Wi-Fi networks that
increase the efficiency and flexibility of data transmission in
order to conserve power. WMM Power Save has been
optimized for mobile devices running latency-sensitive
applications such as voice, audio, or video, but can benefit any
Wi-Fi device. WMM Power Save uses mechanisms included in
the IEEE 802.11e standard and is an enhancement of IEEE
802.11 legacy power save. With WMM Power Save, the same
amount of data can be transmitted in a shorter time while
allowing the Wi-Fi device to remain longer in a low-power
“dozing” state.
16. What is GI?
GI stands for Guard Interval. It’s a measure to protect wireless
devices from cross- interference. If there are two wireless
devices using the same or near channel, and they are close
enough, radio interference will occur and reduce the radio
resource usability.
17. What is STBC?
STBC stands for Space-Time Block Coding, which is a
technique used to transfer multiple copies of data by multiple
antenna, to improve data transfer performance. By using
multiple antennas, not only data transfer rate is improved, but
also the wireless stability.
18. What is 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
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point will establish connection by themselves. There are two
types of WPS: PBC (Push-Button Configuration) and PIN
code.
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4-4 FCC and CE Compliance Statements
Federal Communication Commission
Interference Statement
This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is
no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning
the equipment off and on, the user is encouraged to try to correct
the interference by one or more of the following measures:
1. Reorient or relocate the receiving antenna.
2. Increase the separation between the equipment and receiver.
3. Connect the equipment into 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.
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FCC Caution
This device and its antenna must not be co-located or operating in
conjunction with any other antenna or transmitter.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not
cause harmful interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
Any changes or modifications not expressly approved by the party
responsible for compliance could void the authority to operate
equipment.
Federal Communication Commission (FCC) Radiation Exposure
Statement
This equipment complies with FCC radiation exposure set forth for
an uncontrolled environment. In order to avoid the possibility of
exceeding the FCC radio frequency exposure limits, human
proximity to the antenna shall not be less than 20cm (8 inches)
during normal operation.
The antenna(s) used for this transmitter must not be co-located or
operating in conjunction with any other antenna or transmitter.
R&TTE Compliance Statement
This equipment complies with all the requirements of DIRECTIVE
1999/5/EC OF THE EUROPEAN PARLIAMENT AND THE
COUNCIL of March 9, 1999 on radio equipment and
telecommunication terminal Equipment and the mutual recognition
of their conformity (R&TTE)
The R&TTE Directive repeals and replaces in the directive
98/13/EEC (Telecommunications Terminal Equipment and Satellite
Earth Station Equipment) As of April 8, 2000.
Safety
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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 manufacture must therefore be allowed at all times to
ensure the safe use of the equipment.
EU Countries Intended for Use
The ETSI version of this device is intended for home and office use
in Austria, Belgium, Denmark, Finland, France, Germany, Greece,
Ireland, Italy, Luxembourg, the Netherlands, Portugal, Spain,
Sweden, and the United Kingdom.
The ETSI version of this device is also authorized for use in EFTA
member states: Iceland, Liechtenstein, Norway, and Switzerland.
EU Countries Not intended for use
None.
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