Sercomm PC801AN IEEE802.11n Draft Wireless card User Manual
Sercomm Corporation IEEE802.11n Draft Wireless card
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| Date Submitted | 2008-01-29 00:00:00 |
| Date Available | 2008-01-29 00:00:00 |
| Creation Date | 2008-01-25 17:34:54 |
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| Document Title | untitled |
IEEE802.11n Draft
Wireless PC card
User Guide
Table of Contents
CHAPTER 1 INTRODUCTION ............................................................................................. 1
Package Contents .............................................................................................................. 1
LEDs ................................................................................................................................... 1
Operation ........................................................................................................................... 1
CHAPTER 2 INITIAL INSTALLATION .............................................................................. 2
Requirements..................................................................................................................... 2
Procedure ........................................................................................................................... 2
CHAPTER 3 USING THE WINDOWS UTILITY................................................................ 5
Overview ............................................................................................................................ 5
System Tray Icon............................................................................................................... 5
Auto Connect ..................................................................................................................... 6
Site Survey Screen ............................................................................................................. 6
Profile Manager Screen .................................................................................................... 8
Network Status Screen.................................................................................................... 12
About Screen.................................................................................................................... 13
APPENDIX A SPECIFICATIONS ....................................................................................... 14
Wireless Adapter ............................................................................................................. 14
APPENDIX B ABOUT WIRELESS LANS.......................................................................... 15
Modes ............................................................................................................................... 15
BSS/ESS............................................................................................................................ 15
Channels........................................................................................................................... 16
WEP & WPA-PSK .......................................................................................................... 16
Wireless LAN Configuration.......................................................................................... 16
P/N: 956YDM0001
Copyright © 2007. All Rights Reserved.
Document Version: 1.0 (January, 2007)
All trademarks and trade names are the properties of their respective owners.
Chapter 1
Introduction
This Chapter provides an overview of the Wireless Adapter's features and
capabilities.
Congratulations on the purchase of your new Wireless Adapter. The Wireless Adapter
provides a wireless network interface for your Notebook.
Package Contents
The following items should be included:
•
The Wireless Adapter Unit
•
2 Antenna
•
Quick Start Guide
•
CD-ROM containing the on-line manual.
If any of the above items are damaged or missing, please contact your dealer immediately.
LEDs
Wireless Adapter
The Wireless Adapter has a single Link/Activity LED.
Link/Act LED
•
On - Associated with the network.
•
Off - Not associated with the network.
•
Blinking - Data being transferred.
Operation
You should install the supplied software on the CD-ROM before inserting the Wireless
adapter.
Chapter 2
Initial Installation
This Chapter covers the software installation of the Wireless Adapter.
Requirements
•
Windows 2000/XP.
•
CD-ROM drive.
•
IEEE802.11n, IEEE802.11b or IEEE802.11g wireless LAN.
Procedure
You should install the supplied software BEFORE inserting the Wireless Adapter.
1. Insert the CD-ROM into the drive on your PC.
2. The installation program should start automatically. If it does not, run the SETUP.EXE
program.
3. Select the desired installation language on the screen.
Figure 1: Start Installation
4. On the screen above, click "Next" to start the installation.
5. Step though the procedure.
6. After the installation is complete, select Yes, I want to shutdown my computer now and then
click "Finish".
Initial Installation
Figure 2: Installation Screen
7.
8.
Insert the Card into your computer.
•
Remove the cover on one side of the computer.
•
Find an empty PCI expansion slot inside the computer.
•
Press the Card firmly into the slot.
•
Connect the supplied antenna cable to the port on the Card.
• Replace the computer’s cover and power it on.
The Windows "New Hardware" wizard will then start.
•
Select Install the software automatically to allow it to complete the installation of the
Windows driver
•
If using Windows XP, you may see a warning screen like the example below. If you
do see this screen, just click "Continue Anyway"
Figure 3: Windows XP Warning
9.
When the Windows wizard is complete, you will now have a new icon in your system tray,
as shown below.
Figure 4: System Tray Icon
Wireless Adapter User Guide
Wireless Adapter Icon Table
Connection to the Wireless Adapter is established. The length of green
color indicates the signal strength.
No connection to the Wireless Adapter.
The Wireless Adapter is unplugged.
10. You can double- click this icon to configure the Wireless interface. See the following
chapter for details.
Chapter 3
Using the Windows Utility
This Chapter provides Setup details for the AP mode of the Wireless Adapter.
Overview
If using Windows, you can use the supplied utility to configure the Wireless interface.
To Use the supplied Windows utility for Configuration
•
Right-click the System Tray icon
•
From the pop-up menu, select "Restore".
This Chapter assumes you are using the supplied WLan Application utility.
System Tray Icon
If the WLan Application program is running, you can double-click the icon in the System Tray
to open the application.
If the program is not running, you can start it using the option in the Start menu created by the
installation.
For the Wireless Adapter, this will be Start - Programs - SerComm – PC801An - WLan
Application.
Status Information
The menu options available from the System Tray icon are:
•
Restore - This will display the main screen.
•
Radio Off - The wireless adapter is not associated with the network when the radio is off.
•
Exit - Terminate the connection to the Wireless Adapter.
Figure 5: Wireless Adapter menu
Wireless Adapter User Guide
Connecting to a Wireless Network
Double-click the Icon to open the Site Survey screen, when you can select the Wireless
network you wish to join.
Auto Connect
Normally, this option should be enabled. The adapter will then connect to an available network
which was connected successfully last time.
There are various methods to specify the required network.
•
On the Profile Manager tab, select the desired profile in the list, and click the Apply
Profile button.
•
On the Site Survey tab, either double-click the network in the list, or select the network
and click the Connect button.
Site Survey Screen
This screen is displayed when you double-click the system tray icon. You can also click the
Site Survey Tab in the screen.
Figure 6: Site Survey Screen
Data - Site Survey Screen
Display PC To PC
(Ad-Hoc)
Select this check box to display ad-hoc (computer-to-computer)
networks.
Display 802.11b
Access Points
Select this check box to display 802.11b (infrastructure) networks.
Using the Windows Utility
Display 802.11a
Access Points
Select this check box to display 802.11a (infrastructure) networks.
Display 802.11g
Access Points
Select this check box to display 802.11g (infrastructure) networks.
Network Name
Available wireless networks are listed.
MAC Address
This is the MAC address of the Access Point (or Wireless station, if
the network is an Ad-hoc network).
Security
Data encryption and authentication methods used on the wireless
network
CH.
The channel used by the Wireless network.
Signal
This is displayed as percentage (0 ~ 100%).
Frequency
The Wireless band used by this Wireless network.
Network Type
This will indicate "Infrastructure" (displayed device is an Access
Point) or "Ad-hoc". (displayed device is a Wireless station)
Status
The area to the left of the "Rescan" button shows the current status. In
the example above, it shows "Connected".
Rescan
Click this button to rescan for all Wireless networks.
Wireless Network Sequence (order)
You can click the headings (ex. Network Name, MAC Address, Security…) of the Wireless
network table to arrange the Wireless network in the desired order.
To Connect to a Wireless Network
•
Double-click on the desired network.
•
Click the name of the wireless network to which you want to connect, and then click
Connect.
Note that once you are connected to a Wireless network, the Site Survey screen will identify
the current wireless network with a blue icon, as shown below.
Figure 7: Site Survey Screen - Connected
Wireless Adapter User Guide
Profile Manager Screen
This screen is accessed by clicking the Profile Manager tab on the main screen.
Figure 10: Profile Manager Screen
Data - Profile Manager Screen
Profile Name
Enter or select a suitable name for this profile. Each profile must
have a unique name.
Network Name
(SSID)
If the desired wireless network is currently available, you can
select its SSID. Otherwise, type in the SSID of the desired
wireless network.
Advanced Settings
On the resulting sub-screen, enter the required data for the
advanced settings.
Network Type
Select the desired option:
•
Infrastructure - Select this to connect to an Access point.
•
Ad-Hoc - Select this if you are connecting directly to another
computer.
Wireless Mode
Select the desired wireless mode to which you want to connect.
Prefer Channel
Select the channel you would like to use.
Using the Windows Utility
Authentication Mode
Encryption Method
You MUST select the option to match the Wireless LAN you
wish to join. The available options are:
•
Open System - Broadcast signals are not encrypted. This
method can be used only with no encryption or with WEP.
•
Shared Key - Broadcast signals are encrypted using WEP.
This method can only be used with WEP.
•
Auto Switch - This is another WEP system; it will select
either Open System or Shared Key as required.
•
WPA-PSK - PSK means "Pre-shared Key". You must enter
this Passphrase value; it is used for both authentication and
encryption.
•
WPA2-PSK - This is a further development of WPA-PSK,
and offers even greater security. You must enter this
Passphrase value; it is used for both authentication and
encryption.
•
WPA Radius - This version of WPA requires a Radius
Server on your LAN to provide the client authentication
according to the 802.1x standard. Data transmissions are
encrypted using the WPA standard.
•
WPA2 Radius - This version of WPA2 requires a Radius
Server on your LAN to provide the client authentication
according to the 802.1x standard. Data transmissions are
encrypted using the WPA2 standard.
The available options depend on the Authentication method
selected above. The possible options are:
•
Security Off - No data encryption is used.
•
WEP - If selected, you must enter the WEP data shown
below. This WEP data must match the Access Point or other
Wireless stations.
•
AES, TKIP - These options are available with WPA-PSK,
WPA2-PSK, WPA-Radius and WPA2-Radius. Select the
correct option.
Create with
Passphrase
Enable this check box and enter a word or group of printable
characters in the Passphrase box, select the desired encryption to
automatically configure the WEP Key.
Enter Key Manually
Enable this check box and select the desired key in the dropdown list. Then enter the key values you wish to use and select
the desired encryption. Other stations must have matching key
values.
Passphrase
For WPA-PSK and WPA2-PSK modes, you need to enter the
desired value (8~63 characters). Data is encrypted using a 256Bit
key derived from this key. Other Wireless Stations must use the
same key.
Confirm
For WPA-PSK and WPA2-PSK modes, re-enter the value in this
field.
802.1x Authentication
Protocol
For WPA Radius and WPA2 Radius modes, select the desired
option in the drop-down list.
Wireless Adapter User Guide
Configure WPA
Radius
For WPA Radius and WPA2 Radius modes, click this button to
open a sub-window where you can enter details of the Radius
Server.
To add a profile
1.
2.
3.
On the Profile Manager tab, complete the settings on this screen.
Verify that the settings you configured are correct.
Click Save Profile.
To export profiles
1.
2.
3.
On the Profile Manager tab, click Export Profiles. The Save As dialog box appears.
Type a name for the profile that you are saving, and then verify that the file name
extension is set to .cfg.
Click Save.
To import profiles
1.
2.
3.
On the Profile Manager tab, click Import Profiles. The open dialog box appears.
Select the profile set that you want to import.
Click Open.
To delete a profile
1.
2.
On the Profile Manager tab, select the profile that you want to delete.
Click Delete Profile.
To edit a profile
1.
2.
3.
On the Profile Manager tab, select the profile that you want to edit.
Change the profile settings as necessary.
Click Save Profile.
To enable a profile
1.
2.
In the list of available profiles, click the profile that you want to enable.
Click Apply Profile.
10
Using the Windows Utility
Advanced Settings Screen
Once you have created a profile, as described above, the Advanced Settings tab will be
available on the Profile Manager screen.
Figure 8: Advanced Settings Screen
Data - Advanced Settings Screen
Do not change
settings
Enable this check box if you don’t want to modify the settings in
this screen.
Preamble (2.4GHz)
Normally, this should be left at "Auto".
Transmit Rate
Use this to manually set the speed, if desired. The default is "Auto".
Fragment
Threshold
The default value is 2346. In some cases, you may be able to
improve performance by adjusting this value.
RTS/CTS Threshold
The default value is 2346. In some cases, you may be able to
improve performance by adjusting this value.
802.11n
Enable 802.11n
Network
Enable this if you want to use the 802.11n network.
Channel Width
Select the desired channel width.
Guard Interval
Use this to manually set the interval, if desired. The default is
"Auto".
Extension Channel
Select the desired channel.
Antenna Selection
Select the desired option. The default is set to "Auto".
11
Wireless Adapter User Guide
Network Status Screen
This screen displays the status of the current wireless link. Clicking the Network Status tab
will display a screen like the following.
Figure 9: Network Status Screen
You may have to wait a few seconds for the screen to be populated.
Data - Network Status Screen
Link Information
Current Status
It will indicate the current link status.
Network SSID
It shows the SSID or network name of the selected wireless
network.
Network BSSID
It shows the MAC address of the access point.
Network Type
This will indicate "Infrastructure" or "Ad-hoc".
Security Mode
It shows the wireless security that the wireless network is using.
Tx/Rx Speed
It shows the current wireless connection speed.
Internet Protocol
DHCP Option
It shows if the IP address was automatically obtained from a
DHCP server.
IP Address
It shows the current IP address on the wireless interface.
Subnet Mask
Subnet mask for the current IP address.
Default Gateway
Gateway IP address associated with the current IP address.
DHCP Server
It shows the IP address of the DHCP Server.
12
Using the Windows Utility
Channel Performance
Channel Performance
It graphically presents the Transmission (Tx) rate and Receiving
(Rx) rate over time.
Signal
Signal
It graphically presents the Signal strength.
About Screen
This screen displays details of the traffic sent or received on the current Wireless network.
Figure 10: About Screen
This tab shows the following information:
•
Regional Domain
•
Firmware Version
•
Driver Version
•
MAC Address
•
SerComm DLL Version
•
SerComm Utility Version
13
Appendix A
Specifications
Wireless Adapter
Model:
PC801An
Standards:
IEEE 802.11b, IEEE 802.11g, Draft 802.11n compliant
Computer Slot Type:
PCI Card
20 MHz BW: 130, 117, 104, 78, 52, 39, 26, 13
40 MHz BW: 270, 243, 216, 162, 108, 81, 54, 27 (802.11n)
Data Rates:
54, 48, 36, 24, 18, 12, 9, and 6 Mbps (802.11g)
11, 5.5, 2, 1 Mbps (802.11b)
Operating Channels:
11 for North America, 13 for Europe and Japan
Operating Frequency:
2.4 ~ 2.4835 GHz
Modulation Technique:
Draft 802.11n: BPSK, QPSK, 16-QAM, 64-QAM
802.11g: OFDM
802.11b: CCK, QPSK, BPSK
Media Access Protocol:
CSMA/CA
Operating Voltage:
3.3V±5%
Transmit Power:
Draft 802.11n: 16.5±2 dBm
802.11g: 13.5±2 dBm
802.11b: 16±2 dBm
Security:
WPA/WPA2; 128-bit TKIP/AES encryption, 64/128-bit WEP
Shared-key encryption
802.1x, EAP-TLS and PEAP authentication
OS Requirements
Windows XP/2000
14
Appendix B
About Wireless LANs
This Appendix provides some background information about using Wireless
LANs (WLANs).
Modes
Wireless LANs can work in either of two (2) modes:
•
Ad-hoc
•
Infrastructure
Ad-hoc Mode
Ad-hoc mode does not require an Access Point or a wired (Ethernet) LAN. Wireless
Stations (e.g. notebook PCs with wireless cards) communicate directly with each other.
Infrastructure Mode
In Infrastructure Mode, one or more Access Points are used to connect Wireless Stations
(e.g. Notebook PCs with wireless cards) to a wired (Ethernet) LAN. The Wireless Stations
can then access all LAN resources.
Access Points can only function in "Infrastructure" mode,
and can communicate only with Wireless Stations which are
set to "Infrastructure" mode.
BSS/ESS
BSS
A group of Wireless Stations and a single Access Point, all using the same ID (SSID), form a
Basic Service Set (BSS).
Using the same SSID is essential. Devices with different SSIDs are unable to communicate
with each other.
ESS
A group of Wireless Stations, and multiple Access Points, all using the same ID (ESSID), form
an Extended Service Set (ESS).
Different Access Points within an ESS can use different Channels. In fact, to reduce
interference, it is recommended that adjacent Access Points SHOULD use different channels.
As Wireless Stations are physically moved through the area covered by an ESS, they will
automatically change to the Access Point which has the least interference or best performance.
This capability is called Roaming. (Access Points do not have or require Roaming capabilities.)
15
Wireless Adapter User Guide
Channels
The Wireless Channel sets the radio frequency used for communication.
•
Access Points use a fixed Channel. You can select the Channel used. This allows you to
choose a Channel which provides the least interference and best performance. In the USA
and Canada, 11 channels are available. If using multiple Access Points, it is better if
adjacent Access Points use different Channels to reduce interference.
•
In "Infrastructure" mode, Wireless Stations normally scan all Channels, looking for an
Access Point. If more than one Access Point can be used, the one with the strongest signal
is used. (This can only happen within an ESS.)
•
If using "Ad-hoc" mode (no Access Point), all Wireless stations should be set to use the
same Channel. However, most Wireless stations will still scan all Channels to see if there
is an existing "Ad-hoc" group they can join.
WEP & WPA-PSK
Both WEP and WPA-PSK are standards for encrypting data before it is transmitted.
This is desirable because it is impossible to prevent snoopers from receiving any data which is
transmitted by your Wireless Stations. But if the data is encrypted, then it is meaningless
unless the receiver can decrypt it.
WPA-PSK is a later standard than WEP, and is more secure.
Wireless LAN Configuration
To allow Wireless Stations to use the Access Point, the Wireless Stations and the Access Point
must use the same settings, as follows:
Mode
On client Wireless Stations, the mode must be set to "Infrastructure".
(The Access Point is always in "Infrastructure" mode.)
SSID (ESSID)
Wireless Stations should use the same SSID (ESSID) as the Access
Point they wish to connect to. Alternatively, the SSID can be set to "any"
or null (blank) to allow connection to any Access Point.
Security
The Wireless Stations and the Access Point must use the same settings
for Wireless security (Disabled, WEP, WPA-PSK)
WEP - If WEP is used, the WEP Key must be the same on the Wireless
Stations and the Access Point. WEP Authentication ("Open System" or
"Shared Key") must also be the same, unless the Access Point supports
both methods simultaneously.
WPA-PSK - If using WPA-PSK, the PSK (Pre-shared Key) must be
entered on each Wireless station. The 256Bit encryption key is derived
from the PSK, and changes frequently.
WPA2-PSK - This is a later version of WPA (WPA-PSK). The major
change is the use of AES (Advanced Encryption System) for protecting
data. AES is very secure, considered to be unbreakable. The PSK (Preshared Key) must be entered on each Wireless station.
16
Appendix B - About Wireless LANs
Regulatory Approvals
17
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