Edimax Technology Network Card EW 7205AP User Manual

Wireless LAN Access Point  
EW-7205AP  
User’s Manual  
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Introduction  
Chapter 1 Introduction  
This Wireless LAN Access Point provides a flexible way for users to configure their  
network by eliminating LAN wiring. With the slick Windows-based configuration  
tools, users can easily deploy and control this access point. Advanced user  
authentication ensures a high level of security for wireless networking. In additional  
to corporate use, this Access Point can also be implemented in the public arena such  
as airports, hotels, etc..  
1.1 Package Contents  
The Wireless Access Point includes the following items:  
One Wireless LAN Access Point  
One Power Adapter  
One USB Cable  
One Driver/Utilities/Manual CD  
One User’s Manual  
1.2 Features  
Compiles with the IEEE 802.11b (DSSS) 2.4GHz specification.  
High data rate 11, 5.5, 2 and 1Mbps network speed.  
Seamlessly integrate the Wireless and Ethernet LAN networks.  
Interoperable with IEEE 802.11b compliant wireless equipments.  
Support 64(40)/128-bit Wired Equivalent Privacy encryption protocol  
Support Wireless Access Point Roaming and Bridging.  
Supports building-to-building wireless bridging.  
Auto switch to external Antenna in bridge application.  
Supports RTS and CTS threshold control for better throughput.  
Auto rate fallback in case of obstacles or interference.  
Configuration control via USB port or Ethernet port.  
Supports SNMP Utility Management.  
Easy traffic monitoring (SNMP program).  
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Introduction  
Plug-and-play installation.  
Desktop and wall mountable design.  
1.3 Specifications  
Standards: IEEE 802.3 and IEEE 802.3u (Wired), IEEE 802.11b (Wireless)  
Data Rate: 11, 5.5, 2, and 1Mbps  
Security: 64(40)/128-bit WEP data encryption  
Frequency Band: 2.400~2.4835GHz (Industrial Scientific Medical Band)  
Operating Channels:  
Channels 1-11 (US, Canada)  
Channels 1-13 (Europe ETSI)  
Channels 1-14 (Japan)  
Channels 10-11 (Spain)  
Channels 10-13 (France)  
Connectors:  
One USB port  
One 10/100Mbps RJ-45  
One SMB connector for external antenna or booster  
Antenna: Diversity Antenna inside.  
Modulation: CCK@11/5.5Mbps, DQPSK@2Mbps and DBPSK@1Mbps  
Radio Technology: Direct Sequence Spread Spectrum (DSSS)  
Operating Range:  
Indoor: 35-100m  
Outdoor: 100-300m  
Configuration Utility:  
Windows Configuration Utility supports USB interface configuration  
SNMP Utility: Available for wired stations with Windows 98/98SE/Me/  
2000/XP  
LEDs: Power, LAN Link/Activity, Wireless TX/RX  
Power: 5VDC, 1.4A  
Power Consumption  
Transmit: Less than 800 mA  
Receive: Less than 700 mA  
Transmission Power: 14 dBm (Normal)@ -30 dB Side lobe  
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Introduction  
Receive Sensitivity:  
-80 dBm  
@FER=8% , 11 Mbps.  
@FER=8% , 5.5 Mbps  
@FER=8%, 1 Mbps  
-83 dBm  
-86 dBm  
Dimension: 190(H) x 65(W) x 130(D) mm  
Temperature:  
Operating: 32~122°F ( 0 ~50°C)  
Storage :-13~149°F (-25~65°C)  
Humidity: 10-95% (Noncondensing)  
Certifications:  
Canada/U.S.A FCC Part 15C, sections 15.247, 15.205, 15.209, RSS-210  
Europe: ETS 300.328, ETS 300.826  
CE Mark  
1.4 System Requirement  
Computer with USB or Ethernet connection  
Windows 98, 98SE, Millennium, 2000 Professional or XP.  
1.5 Physical Description  
Front Panel  
On the Access Point’s front panel there are LED lights that inform you of the Access  
Point’s current status. Below is an explanation of each LED.  
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Introduction  
LED  
Color  
Status  
Lit  
Description  
Power is supplied.  
Power  
Green  
Off  
No Power.  
Lit  
Flash  
Off  
A valid link is established.  
Data packets are received.  
No link is established.  
LAN  
Green  
Link/Activity  
Amber  
Green  
Flash  
Flash  
Off  
Antenna is transmitting data.  
Antenna is receiving data.  
Antenna is not transmitting or receiving data.  
Wireless  
TX/RX  
Back Panel  
Access Point’s connection ports are located on the back panel. Below is the  
description of each connection port.  
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Introduction  
USB Port  
The USB port which connects to an USB-ready PC is used to configure the  
Access Point. To work with USB port, the PC must be running Windows 98, Me,  
2000 or XP.  
DC Adapter Port  
Insert the power jack of the power adapter into this port.  
10/100Mbps  
This port connects to Ethernet network devices, such as a hub, switch, or router.  
Reset  
If problems occur with the Access Point, press the Access Point’s reset button  
with a pencil tip and the Access Point will re-boot itself immediately.  
SMB Antenna Connector  
The SMB Antenna Connector is where external antenna is connected to the  
Access Point. While external antenna is connected, the internal antenna will be  
disabled automatically.  
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Wireless LAN Access Point Connection  
Chapter 2 Wireless LAN Access Point  
Connection  
1. Locate an optimum location for the Wireless LAN Access Point.  
The best location for your Wireless LAN Access Point is usually at the center of  
your wireless network, with line of sight to all of your mobile stations.  
2. Connect the Wireless LAN Access Point to your 10/100Mbps network.  
Connect one end of standard UTP cable to the Wireless LAN Access Point’s  
10/100Mbps RJ-45 connector and connect the other end of the cable to a switch or  
a hub. The Wireless LAN Access Point will then be connected to your  
10/100Mbps Network.  
3. For configuration purposes, connect the Wireless LAN Access Point to your  
PC through the USB port.  
If the USB port of your PC is working properly, your system should immediately  
recognize the Access Point and attempt to install a driver for it. Make sure that the  
Setup CD is inserted into your CD-ROM drive and then follow the instructions of  
the setup program. Select Specify a location and type in the blank field D:\  
Driver\Winxxx (where “D” specifies your CD-ROM) to install the driver  
automatically. The driver supports Windows 98/98SE/Me/2000/XP operating  
systems.  
Note: Windows 2000 driver can also be used as Windows XP driver.  
4. Connect the AC Power Adapter to the Wireless LAN Access Point’s Power  
Socket.  
Only use the power adapter supplied with the Wireless LAN Access Point. Using  
a different adapter may damage the product.  
The Hardware Installation is complete.  
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Wireless LAN Access Point Configuration  
Chapter 3 Wireless LAN Access Point  
Configuration  
Two software tools are provided to configure the Access Point.  
AP Utility  
The AP Utility can be used when configuring the Wireless LAN Access Point  
through a USB connection and is compatible with Windows 98, Millennium,  
2000 and XP.  
Access Point SNMP Manager  
The Access Point SNMP Manager can be used when configuring the Wireless  
LAN Access Point through an Ethernet connection and is compatible with all  
Windows Operating Systems. You may also use the SNMP Manager configure  
the Access Point wirelessly.  
3.1 AP Utility  
3.1.1 How to Install the AP Utility  
Please run the program “setup.exe” which you will find in the “DFU” subfolder of  
the “Utilities” folder in your CD. Follow the instructions of the setup program and  
select the directory where the application is installed.  
3.1.2 Using the AP Utility  
Before using the AP Utility Application, please make sure you have plugged the USB  
cable to the Access Point USB port and installed the driver of the Access Point (see  
Chapter 2 for the installation) and the AP Utility Application.  
On the Start Menu, choose Start->Programs->Atmel Utilities->DFU->DFU to run the  
AP Utility Application. Then, select the Configuration button to start configuring.  
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Wireless LAN Access Point Configuration  
You can use the Get, Modify and Set buttons to configure the parameters for the  
Wireless LAN Access Point.  
“Get”  
“Modify” Set new values to the pre-selected parameters.  
“Set” Download any changes to the Access Point.  
View the current parameters of the Access Point.  
For Example:  
1. Press the Get button to view all the current parameters of the Access Point.  
2. Click one of the parameters you would like to configure.  
3. Press the Modify button and a sub-window for the parameter setting will be  
displayed.  
4. After changing the values, press the Set button to confirm the setting is completed.  
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Wireless LAN Access Point Configuration  
The parameters for the Wireless LAN Access Point are described below:  
Parameters  
Description  
The MAC Address of the Access Point.  
MAC Address  
This parameter is used to designate the Access Point’s  
regulatory domain. There are seven domains you can set  
including FCC, DOC, ETSI, SPAIN, FRANCE, MKK  
and MKK1. Note that the Regulatory Domain and the  
Wireless Channel parameter have the specific  
Regulatory Domain  
corresponding relation listed as below.  
FCC (USA): 1-11  
DOC (Canada): 1-11  
ETSI (Europe): 1-13 SPAIN: 10-11  
FRANCE: 10-13  
MKK1: 1-14  
MKK: 14  
The IP address of the Access Point. This IP Address must  
be unique to your network. The default IP Address of  
Access Point is 10.170.254.32.  
Ethernet IP Address  
The Ethernet station and the Access Point must be on the  
same subnet. The IP address for the Access Point must  
correspond to the Subnet Mask. The default Subnet Mask  
of Access Point is 255.255.254.0.  
Ethernet Subnet Mask  
Specifies the BSSID. It must be the same as the Ethernet  
MAC Address.  
Wireless MAC Address  
ESSID  
The ESSID (up to 32 printable ASCII characters) is the  
unique name identified in a WLAN. The ID prevents the  
unintentional merging of two co-located WLANs. Please  
make sure that the ESSID of all points in the network are  
the same.  
The length of the ESSID (number of characters).  
ESSID Length  
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Wireless LAN Access Point Configuration  
Parameters  
Description  
Select Enable or Disable. When this is enabled, the  
wireless network provides more flexibility when wireless  
devices roam. As wireless devices move away from the  
Access Point, the transfer rate will automatically fall  
back to the most optimum rate allowed.  
Auto Rate Fall Back  
Select the channel to be used. Channels differ from  
country to country. There are 14 channels available.  
Wireless Channel  
WEP type  
Select the 64(40) or 128 bits Wired Equivalent Privacy  
Algorithm.  
Select one of the keys (1~4) as the WEP encryption key  
for transmissions between stations and the Access Point.  
WEP key  
The size of the packets to be fragmented. Enter a value  
within a range of 256 to 2346 bytes.  
Wireless Fragmentation  
Threshold  
Minimum packet size required for an RTS (Request To  
Send) transmission. For packets smaller than this  
threshold, an RTS is not sent and the packet is  
transmitted directly to the WLAN. The value is in a range  
of 256 to 2346 bytes.  
Wireless RTS Threshold  
The default key that will be used. May be edited when  
WEP type is 64(40) bits. Enter 10 digit Hex values (in the  
range of “A-F”, “a-f” and “0-9”) as the encryption keys.  
WEP Keys #1 - #4  
Preamble Type  
The preamble defines the length of the CRC block for  
communication between the Wireless LAN Access Point  
and the roaming Wireless Stations. The Short Preamble  
option improves throughput performance.  
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Wireless LAN Access Point Configuration  
Parameters/Buttons  
Authentication Type  
Description  
Defines the Access Point’s authentication type. Only the  
Wireless Stations that pass the authentication test can  
connect to the Access Point.  
Open System: any stations can associate with the  
Access Point without authentication.  
Shared Key: stations using a shared key (the WEP Key  
identified by the Access Point) can associate with the  
Access Point.  
Both: any stations can associate with the Access Point  
with or without authentication.  
Enter the Access Point’s name.  
Access Point Name  
By default the Access Point adaptively selects the highest  
possible rate for transmission. In case of obstacles or  
interference, the system will adjust the speed  
Operational Rate Set  
automatically. Select the basic rates to be used: 82 84 8B  
96 (1-2-5.5-11 Mbps) or 82 84 0B 16 (1-2 Mbps).  
Set the Beacon Period parameter, which specifies the  
duration between beacon packets (milliseconds). The  
range for the beacon period is between 20-1000 with a  
typical value of 100.  
Beacon Period  
Determines the interval the Access Point will send its  
broadcast traffic. Default value is 4 beacons.  
DTIM  
Sets which antenna is used for reception. Select Diversity  
Antenna for the Access Point.  
Receive Antenna  
Transmit Antenna  
Sets which antenna is used for transmission. Select  
Diversity Antenna for the Access Point.  
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Wireless LAN Access Point Configuration  
Parameters/Buttons  
Operational Mode  
Description  
Sets this Access Point to following operational mode.  
• Access Point  
• Access Point Client  
• Wireless Bridge  
Indicates the user’s password. The default password is  
User Community  
User Access  
public”.  
Indicates the user’s access rights. You can restrict the  
user to read only.  
Indicates the administrator’s password. The default  
Administrator  
Community  
password is “public”.  
Indicates the Administrator’s access rights.  
Indicates the manufacturer’s password.  
Administrator Access  
Manufacturer  
Community  
Indicates the manufacturer’s access rights.  
Network Gateway.  
Manufacturer Access  
Gateway IP Address  
IP Filtering  
When this is enabled, only IP protocol packets can pass  
through the Access Point.  
When this is enabled, the IP Address of the Access Point  
will be assigned by a DHCP Server automatically.  
DHCP Client  
The interface connected to the DHCP Server.  
Primary Port  
Enable/Disable the authorized MAC Address stations to  
connect to the Access Point.  
Authorization Algorithm  
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Wireless LAN Access Point Configuration  
Parameters/Buttons  
SNMP Traps  
Description  
Enabled/Disabled SNMP traps which are messages  
indicating that an action related to the Access Point took  
place. These messages will be displayed in the main  
window of the SNMP Manager tool.  
The default key that will be used while WEP type is 128  
bits. Enter 26 digit Hex values in the range of “A-F”, “a-  
f” and “0-9” for encryption keys.  
WEP 128 keys #1-#4  
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Wireless LAN Access Point Configuration  
3.2 Access Point SNMP Manager  
3.2.1 How to Install the SNMP Manager  
Step 1: Insert the Setup CD and run the program “setup.exe” which you will find  
under the Utilities\SNMP folder in your CD. You will see the welcome page  
of the installation program. Click Next to continue.  
Step 2: Read the terms of the License Agreement, and if you agree, click Yes;  
otherwise, click No to cancel installation.  
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Wireless LAN Access Point Configuration  
Step 3: The Choose Destination Location screen will show you the default  
destination chosen by the program. If you want to install this in another  
location, click the Browser button and select an alternate destination. When  
you are ready to continue, click the Next button.  
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Wireless LAN Access Point Configuration  
Step 4: In this frame you will find where the program will be installed. If you want to  
change the program folder, please type the name in the Program Folders field.  
Click Next to continue.  
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Wireless LAN Access Point Configuration  
Step 5: All the settings of this installation will be shown in the following screen.  
Click Back to change the settings; otherwise, click Next to continue.  
Step 6: The SNMP Manager has now been installed. Select Yes to restart your PC.  
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Wireless LAN Access Point Configuration  
3.2.2 Using the SNMP Manager  
Before using the SNMP Manager to configure the Access Point, verify the Ethernet  
station and the Access Point are on the same subnet. The following is the default IP  
address and Sub Mask of the Access Point:  
Default IP Address: 10.170.254.32  
Default Sub Mask: 255.255.254.0  
In order to change the IP address and Sub Mask of the Access Point, you must use the  
AP Utility Application (only through the USB port). Please refer to Section 3.1.2 for  
the IP Address and Sub Mask configuration.  
On the Start Menu, choose Start->Programs->Atmel Utilities->AP Configuration-  
>AP Configuration to start using the configuration tool.  
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Wireless LAN Access Point Configuration  
3.2.2.1  
Connecting to the Access Point  
Connect to the Access Point  
Pull down the File menu and select the Connect to Access Point submenu. You  
can directly connect with the Access Point by typing its IP Address and  
appropriate password (The default password is "public"). Additionally you have  
to select the User or Administrator Authority in the Authority combo-box. User  
Authority allows you to view the Access Point Configuration, while  
Administrator Authority allows you to view and change the Access Point  
Configuration.  
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Wireless LAN Access Point Configuration  
Find Access Point  
Pull down the File menu and select the Connect to Access Point submenu. This  
submenu allows you to find and connect with an Access Point without knowing  
its IP Address. Select the available Access Points and press the Connect button  
to connect with it.  
3.2.2.2  
Configuring the Access Point  
Download Changes  
When all the desired values of the parameters have been set, pull down the File  
menu and select the Download Changes submenu to save all the changes.  
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Wireless LAN Access Point Configuration  
Refresh  
If you want to get the original setting on the Access Point, pull down the File  
menu and select the Refresh submenu.  
IP Configuration  
Pull down the Setup menu and select the IP Configuration from the Bridge  
submenu. You can modify the IP Address and IP Mask through this window  
directly. If DHCP is enabled, select the primary port where the DHCP server is  
connected.  
Filtering Configuration  
Pull down the Setup menu and select the Filtering from the Bridge submenu. If  
IP Routing is enabled, only the IP protocol packets will pass through the WLAN  
and any other protocols will be filtered out.  
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Wireless LAN Access Point Configuration  
Privacy Options  
Pull down the Setup menu and select the Privacy Options from the Wireless  
LAN submenu.  
Key 1~Key 4  
64(40)-bit WEP: input 10 digit Hex values (in the “A-F”, “a-f” and “0-9”  
range) as the encryption keys.  
128-bit WEP: input 26 digit Hex values (in the “A-F”, “a-f” and “0-9” range)  
as the encryption keys.  
Default Key  
Only the key you select it in the “Default key” will take effect.  
WEP  
Enable 64(40)-bit or 128-bit WEP (Wired Equivalent Privacy) to activate the  
WEP encryption for transmissions between stations and the Access Point.  
Note: WEP is an authentication algorithm which protects authorized Wireless  
LAN users against eavesdropping. The Authentication type and WEP key  
must be the same on the wireless station and on the access point.  
Operational Settings  
Pull down the Setup menu and select the Operational Settings from the  
Wireless LAN submenu. Using this option you can either view or modify the  
parameters of the Access Point.  
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Wireless LAN Access Point Configuration  
Access Point Name  
Fill in a user-friendly name for the Access Point.  
ESSID  
This is an up to 32 characters ASCII string used to identify a WLAN that  
prevents the unintentional merging of two co-located WLANs. The ESSID  
value must be the same in all stations and Access points in the extended  
WLAN.  
Channel  
There are 14 channels available. The channels differ from country to country.  
Regulatory Domain  
This parameter is used to designate the Access Point’s regulatory domain.  
There are seven domains you can set including FCC, DOC, ETSI, SPAIN,  
FRANCE, MKK and MKK1. Note that the Regulatory Domain and the  
Wireless Channel parameter have the specific corresponding relation listed as  
below.  
FCC (USA): 1-11  
DOC (Canada): 1-11  
ETSI (Europe): 1-13  
SPAIN: 10-11  
FRANCE: 10-13  
MKK: 14  
MKK1: 1-14  
Fragmentation Threshold  
The size of the packets will be fragmented. Select a setting within a range of  
256 to 2346 bytes.  
RTS Threshold  
Minimum packet size required for an RTS (Request To Send). For packets  
smaller than this threshold, an RTS is not sent and the packet is transmitted  
directly to the WLAN.  
Rate  
The basic transfer rates should be set depending on the speed of your wireless  
networks. Select the basic rates to be used among the following options 1-  
2Mbps, 1-2-5.5-11Mbps.  
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Wireless LAN Access Point Configuration  
Auto Rate Fall Back  
When this is enabled the transmission rate is the optimum rate. In case of  
obstacles or interference, the system will automatically fall back.  
Authentication Type  
Open System:  
Any station in the WLAN can associate with an Access Point and  
receive and transmitted data without authentication.  
Shared Key:  
Only stations using a shared key (WEP Key identified by the Access  
Point) are allowed to associate with the Access Point.  
Both:  
Stations can communicate with the Access Point either with or without  
data encryption.  
Preamble Type  
The preamble defines the length of the CRC block for communication  
between the Wireless Access Point and the roaming Wireless Stations. The  
Short Preamble option improves throughput performance.  
Rx Antenna  
Sets which antenna is used for reception. Select Diversity Antenna for the  
Access Point.  
Tx Antenna  
Set which antenna is used for transmission. Select Diversity Antenna for the  
Access Point.  
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Wireless LAN Access Point Configuration  
Modify Authorized MAC Address  
Pull down the Setup menu and select the Authorized Mac Address from the  
Wireless LAN submenu. For security reasons the Access Point is able to  
associate with authorized MAC Address stations.  
Load File  
You can build a text file that consists a list of MAC Address,  
Ex. 001122334125  
221032554111  
and press Load File button to load these MAC Addresses to the table.  
Download  
Download the Access Point’s Authorized MAC Addresses.  
Get  
Get the Access Point’s Authorized MAC Addresses.  
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Wireless LAN Access Point Configuration  
Authorization Table Enable  
If checked, only devices with MAC Addresses in the Authorization Table can  
connect to the Access Point.  
Enable SNMP Traps  
Pull down the Setup menu and select the Enable SNMP Traps submenu to  
enable or disable SNMP traps. SNMP Traps are messages indicating the action of  
the Access Point displayed in the right bottom corner of the main window.  
Trap Reassociation  
This trap message is sent when a station’s reassociation request is received  
from the Access Point-Bridge.  
Trap Association  
Indicates the reception of an association request packet and the sender  
station's successful association with the Wireless Bridge.  
Trap Disassociation  
This trap message is sent when a disassociation notification packet is received  
from a station.  
Trap Reset  
This trap message is sent when the Access Point-Bridge resets.  
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Wireless LAN Access Point Configuration  
If you want to view additional information for every Trap Message, you could  
pull down the Traps menu and select the View Record submenu.  
Authorization (Password Setting)  
Pull down the Setup menu and select the Authorization submenu to setup the  
Administrator and User’s password.  
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Wireless LAN Access Point Configuration  
Reset Device  
You can reset the Access Point. This action takes place after a user makes  
configuration changes in order to initiate the changes.  
Restore Default  
You can restore the factory default values of the Access Point.  
Associated Station  
Pull down the Network menu and select the Associated Station. This screen  
shows the MAC Address of the associated stations with the Access Point.  
Window  
Under Window menu, there are two submenus:  
Cascade  
All opened windows are arranged on the desktop in a cascaded fashion.  
Tile  
All open windows are visible on the desktop.  
Help  
Provides on-line help for the application.  
3.2.2.3  
Viewing the Wireless Statistics  
Polling Interval  
Pull down the File menu and select the Options submenu to define the polling  
interval the SNMP Manager polls the Access point in order to update the  
statistics and the Associated Stations List.  
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Wireless LAN Access Point Configuration  
Wireless Statistics  
Pull down the Info menu and select the Wireless Statistics submenu to view the  
report about the Access Point’s activity.  
Ethernet Statistics  
Pull down the Info menu and select the Ethernet Statistics submenu to view the  
report about the Access Point’s Ethernet Port activity.  
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Wireless LAN Access Point Firmware Upgrade  
Chapter 4 Wireless LAN Access Point  
Firmware Upgrade  
Two software tools are provided to upgrade Access Point’s firmware.  
AP Utility  
The AP Utility can be used to upgrade Access Point’s firmware through a USB  
connection and is compatible with Windows 98, Millennium, 2000 and XP.  
TFTP Client  
The TFTP Client can be used to upgrade Access Point’s firmware through an  
Ethernet connection or its wireless connections.  
4.1 AP Utility  
Before using the AP Utility Application, please make sure you have plugged the USB  
cable to the Access Point USB port and have installed the driver of the Access Point  
and the AP Utility Application.  
Run the AP Utility Application and select the  
button. Select the file path of the  
new firmware and then press the Download button to upgrade the firmware.  
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Wireless LAN Access Point Firmware Upgrade  
4.2 TFTP Client  
4.2.1 How to Install the TFTP Client  
Please run the program setup.exe which you will find under DFU\FirmwareUP  
folder in your CD. Follow the instructions of the setup program and select the  
directory where the application is installed.  
4.2.2 Using the TFTP Client  
On the Start menu, choose Start->Program->Atmel Utilities->FW Upgrade->FW  
Upgrade to start the program. The following screen appears. Type the IP address of  
the Access Point in the first edit box of the panel. Then, press the  
button to  
select the file path of the new firmware and then press the Download Image button  
to upgrade the firmware.  
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Wireless LAN Access Point Firmware Upgrade  
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Troubleshooting  
Chapter 5 Troubleshooting  
This chapter provides solutions to problems usually encountered during the  
installation and operation of the Wireless LAN Access Point.  
1. Can the Wireless Access Point act as my DHCP Server?  
No. The Access Point is nothing more than a wireless hub, and, cannot be  
configured to handle any DHCP server capabilities.  
2. Can the Wireless Access Point connect to PC directly?  
Yes. The Wireless Access Point can be connected to a PC through the use of a  
crossover UTP cable. Connect one end of the cable to the Ethernet Port of the  
Wireless Access Point and the other end to the PC’s NIC card. Make sure the  
Access Point and your PC are in the same subnet. You can use the SNMP  
Manager to configure the Wireless Access Point directly without building a real  
WLAN network.  
3. What is Ad-hoc?  
An Ad-hoc wireless LAN is a group of computers, each with a WLAN adapter,  
connected as an independent wireless LAN.  
4. What is Infrastructure?  
An integrated wireless and wired LAN is called an Infrastructure configuration.  
5. What is BSS ID?  
A group of wireless stations and an Access Point compose a Basic Service Set  
(BSS). Computers in a BSS must be configured with the same BSSID.  
6. What is ESSID?  
An Infrastructure configuration could also support roaming capability for mobile  
workers. More than one BSS can be configured as an Extended Service Set (ESS).  
Users within an ESS could roam freely between BSSs while maintaining a  
continuous connection to the wireless network stations and the Wireless LAN  
Access Points.  
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Troubleshooting  
7. Can data be intercepted while transmitting through the air?  
WLAN features two-fold protection in security. On the hardware side, as with  
Direct Sequence Spread Spectrum technology, it has the inherent scrambling  
security feature. On the software side, the WLAN series offers the encryption  
function (WEP) to enhance security and access control.  
8. What is WEP?  
WEP stands for Wired Equivalent Privacy, a data privacy mechanism based on a  
64(40)-bit shared key algorithm.  
9. What is a MAC Address?  
The Media Access Control (MAC) address is a unique number assigned by the  
manufacturer to any Ethernet networking device, such as a network adapter, that  
allows the network to identify it at the hardware level. For all practical purposes,  
this number is usually permanent. Unlike IP addresses, which can change every  
time a computer logs on to the network, the MAC address of a device stays the  
same, making it a valuable identifier for the network.  
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