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D-Link DWA-120 User Manual

Section 5 - Troubleshooting

Check that the

Network Connection

for the wireless client is configured properly. Select

AP (Infrastructure)

when

connecting to an access point and select

Ad-Hoc mode

when connecting without an access point. Double-click on

the

WLAN

icon

in the taskbar > click on

Configuration

to change the settings for the wireless adapter.

Security

is enabled, make sure that the correct encryption keys are entered on both the DWA-120 and the access

point. Double-click on the

WLAN

icon in the taskbar > click

Encryption

. Check to see that the key selected is set to

the same key as other devices on the network.

Summary of Contents for DWA-120

Page 1: ......

Page 2: ...s Network 26 Using Windows Vista 26 Using Windows XP 28 Disabling The Windows XP Utility 29 Wireless Security 31 What is WEP 31 What is WPA 32 Configure WEP 33 Using the D Link Wireless Connection Manager 33 Using the Windows Vista 35 Using the Windows XP Utility 37 Configure WPA WPA2 Personal 39 Using the D Link Wireless Connection Manager 39 Using the Windows Vista 41 Using the Windows XP Utilit...

Page 3: ... USB Adapter Manual Software and Warranty on CD Cradle System Requirements A computer or laptop with an available USB 2 0 port Windows 98SE ME 2000 XP or Vista At least 64MB of memory and a 500MHz processor Properly installed and working USB Controller Product Overview Package Contents ...

Page 4: ...connectivity profiles of networks you frequently access You can also enable support for WPA and 802 1x for enhanced data encryption and user authentication Like all other D Link wireless adapters the DWA 120 Wireless 108G USB Adapter can be used in peer to peer mode ad hoc to connect directly to other 802 11b g wirelessly enabled computers or in client mode infrastructure to communicate with other...

Page 5: ...ta and communication than has previously been available Optimal wireless reception using its cradle included Position the DWA 120 almost anywhere in your workspace to achieve the best reception possible Supports Infrastructure networks via an access point and Peer to Peer communication in Ad Hoc mode User friendly configuration and diagnostic utilities Maximum wireless signal rate derived from IEE...

Page 6: ...6 D Link DWA 120 User Manual Section 1 Product Overview Hardware Overview USB Port Used to connect the DWA 120 to your computer ACT A blinking light indicates transmission of data ...

Page 7: ...h as the SSID and security settings of the network s you want to connect to Remove Existing Installations If you ve installed a different manufacture s adapter or a different model D Link adapter make sure the software is uninstalled before installing the new software Some utilities may cause a conflict with the new software If you plan to use multiple adapters at different times make sure the uti...

Page 8: ...Link wireless adapter it is recommended to disable the wireless adapter as well as any unused Ethernet adapters From the desktop right click on the My Computer icon and select Properties Click the Hardware tab and then click Device Manager Scroll down the list and click the sign to the left of Network Adapters Right click the adapter you would like to disable and select Disable ...

Page 9: ...Installation Click Yes to disable the adapter The adapter is now disabled When disabled a red X will be displayed Disabling the adapter will not remove the drivers If you would like to use the adapter simply right click it and select Enable ...

Page 10: ...hat is 1 5 feet thick 5 meters at a 45 degree angle appears to be almost 3 feet 1 meter thick At a 2 degree angle it looks over 42 feet 14 meters thick Position devices so that the signal will travel straight through a wall or ceiling instead of at an angle for better reception 3 Building Materials make a difference A solid metal door or aluminum studs may have a negative effect on range Try to po...

Page 11: ... XP The steps and screens are similar for the other Windows operating systems Note Do NOT install the DWA 120 Wireless 108G USB Adapter into your computer before installing the driver software from the D Link CD If the CD Autorun function does not automatically start on your computer type D Drivers setup exe If it does start proceed to the next screen Click Install Drivers Software Installation ...

Page 12: ... to continue By default setup will install to the default location C Program Files Rangebooster G DWA 120 where C represents the drive letter of your hard drive To install to a different location click Browse and specify the location Click Next Select the Program Files folder location Click Next to continue ...

Page 13: ...r computer If the Found New Hardware Wizard appears click Cancel Click Next to continue Enter the network name SSID If you enter the SSID incorrectly you will automatically be brought to the site survey page Click Next to continue or click Scan to display the site survey page Click the Scan button to display a list of wireless networks site survey Click on the network name SSID and click Next ...

Page 14: ...ink DWA 120 User Manual Section 2 Installation If the wireless network you are trying to connect to is encrypted enter the WEP key or WPA PSK passphrase Click Next to continue Click Finish to exit the wizard ...

Page 15: ... to your network with WPS select the option And then click Next Click Press to connect to your wireless network Click the push button on your access point Note please press the button on the access point within 120 seconds and it is recommended that the access point is nearby ...

Page 16: ...16 D Link DWA 120 User Manual Section 2 Installation Connection Established And Click Next Click Finish to complete installation ...

Page 17: ...f you encounter failure of WPS below page will show Click Retry to re connect to your wireless network with WPS Click Next to select the way you want to get connected to your wireless network Click Exit to complete the installation Click Finish to complete ...

Page 18: ... D Link DWA 120 uses the Configuration Utility as the management software The utility provides the user an easy interface to change any settings related to the wireless adapter After you have completed the installation of the DWA 120 and whenever you start the computer the Configuration Utility starts automatically and the system tray icon is loaded in the toolbar Clicking on the utility icon will...

Page 19: ... network with Wi Fi Protected Setup Rescans for available wireless networks in your area Highlight a wireless network and click the Connect button If the network is secure a pop up window will appear Enter the security information to connect refer to the Wireless Security section for more information Select a wireless network profile from the drop down menu and click Activate to connect Allow up t...

Page 20: ...tility that can be pressed to get connected to your wireless network Please make sure the access point is nearby and its physical button is placed on your access point Personal Identification Number is an unique number that is generated randomly by device PIN should be entered on the utility of your access point and be accepted to get connected ...

Page 21: ...reated New Button Modify Click New to create a new wireless network profile refer to page 22 Click Modify to edit a current profile refer to page 23 Click Delete to remove a profile Click Activate to use a profile Allow up to 30 seconds to connect to the wireless network TheProfileDetailssectionwilldisplayinformation about the wireless network such as the network name SSID network type Infrastruct...

Page 22: ... Office Coffee Shop Enter the SSID of the wireless network Select the network type If you are connecting to a wireless router or access point select Infrastructure If you are connecting to another wireless client such as an adapter select Ad Hoc Select the type of security used Please refer to the Wireless Security section for more information Click OK to save your settings Network Type Set Securi...

Page 23: ...rom the My Wireless Networks page Profile Name SSID Enter a name for your profile e g Home Office Coffee Shop Displays the SSID of the network Displays the network type Select the type of security used Please refer to the Wireless Security section for more information Click OK to save your settings Network Type Set Security OK Button ...

Page 24: ...24 D Link DWA 120 User Manual Section 3 Configuration Support If you need help click the Support button A pane will appear to the right of the utility which will display information about the utility ...

Page 25: ...25 D Link DWA 120 User Manual Section 3 Configuration The About screen gives you information about the Firmware and Utility Versions of the DWA 120 About ...

Page 26: ...s Vista utility as seen below Right click on the wireless computer icon in your system tray lower right corner next to the time Select Connect to a network If you receive the Wireless Networks Detected bubble click on the center of the bubble to access the utility or The utility will display any available wireless networks in your area Click on a network displayed using the SSID and click the Conn...

Page 27: ...rity key or passphrase that is on your router and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the security settings are correct The key or passphrase must be exactly the same as on the wireless router ...

Page 28: ...r right corner next to the time Select View Available Wireless Networks If you receive the Wireless Networks Detected bubble click on the center of the bubble to access the utility The utility will display any available wireless networks in your area Click on a network and click the Connect button Refer to the Wireless Security section for information on connecting to a secure network If you want ...

Page 29: ...ink wireless utility you must disable the Windows XP wireless utility Right click on the wireless computer icon in your system tray lower right corner next to the time Select View Available Wireless Networks In the Choose a Wireless Network window click Change Advanced Settings on the left side below Related Tasks ...

Page 30: ...30 D Link DWA 120 User Manual Section 3 Configuration In the Wireless Network Connection Properties window uncheck Use Windows to configure my wireless network settings and then click OK ...

Page 31: ...er your wireless network so that it is protected as it is transmitted from one wireless device to another To gain access to a WEP network you must know the key The key is a string of characters that you create When using WEP you must determine the level of encryption The type of encryption determines the key length 128 bit encryption requires a longer key than 64 bit encryption Keys are defined by...

Page 32: ...e authentication protocol EAP WEP regulates access to a wireless network based on a computer s hardware specific MAC address which is relatively simple to be sniffed out and stolen EAP is built on a more secure public key encryption system to ensure that only authorized network users can access the network WPA PSK WPA2 PSK uses a passphrase or key to authenticate your wireless connection The key i...

Page 33: ...ink icon in your system tray lower right corner of screen From the list of available wireless networks select the network you want to connect to and click Connect If the network is using WEP the screen as shown to the left will appear 2 Enter the WEP key exactly as it is on your wireless router or access point 3 Click the Show text in the password field box to see the WEP key Unchecking it will hi...

Page 34: ...thentication to Shared Key 1 Open the Wireless Utility by double clicking on the D Link icon in your system tray lower right corner of screen Click on New to create a new profile or highlight an existing profile and click Modify 2 Select WEP under Set Security Option 3 Select Shared and then select the Key Length from the drop down menu 4 Enter the WEP key exactly as it is on your wireless router ...

Page 35: ... configuring your wireless adapter If you are joining an existing network you will need to know the security key or passphrase being used 2 Highlight the wireless network SSID you would like to connect to and click Connect 1 Open the Windows Vista Wireless Utility by right clicking on the wireless computer icon in your system tray lower right corner of screen Select Connect to a network ...

Page 36: ...ecurity key or passphrase that is on your router and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the security settings are correct The key or passphrase must be exactly the same as on the wireless router ...

Page 37: ...e configuring your wireless adapter If you are joining an existing network you will need to know the WEP key being used 2 Highlight the wireless network SSID you would like to connect to and click Connect 1 Open the Windows XP Wireless Utility by right clicking on the wireless computer icon in your system tray lower right corner of screen Select View Available Wireless Networks ...

Page 38: ...ork Connection box will appear Enter the WEP key and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the WEP settings are correct The WEP key must be exactly the same as on the wireless router or access point ...

Page 39: ...clicking on the D Link icon in your system tray lower right corner of screen 2 Highlight the wireless network SSID you would like to connect to and click Connect If the network is using WPA PSK the screen as shown to the left will appear 3 Enter the WPA PSK passphrase exactly as it is on your wireless router or access point Click the Show text in the password field box to see the passphrase Unchec...

Page 40: ...ess devices 1 Open the Wireless Utility by double clicking on the D Link icon in your system tray lower right corner of screen Click on New to create a new profile or highlight an existing profile and click Modify 2 Select WPA WPA2 Passphrase under Set Security Option 3 Select TKIP or AES 4 Enter the passphrase exactly as it is on your wireless router or access point 5 Click OK to connect to the n...

Page 41: ...int before configuring your wireless adapter If you are joining an existing network you will need to know the security key or passphrase being used 2 Highlight the wireless network SSID you would like to connect to and click Connect 1 Open the Windows Vista Wireless Utility by right clicking on the wireless computer icon in your system tray lower right corner of screen Select Connect to a network ...

Page 42: ...ecurity key or passphrase that is on your router and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the security settings are correct The key or passphrase must be exactly the same as on the wireless router ...

Page 43: ...t before configuring your wireless adapter If you are joining an existing network you will need to know the WEP key being used 2 Highlight the wireless network SSID you would like to connect to and click Connect 1 Open the Windows XP Wireless Utility by right clicking on the wireless computer icon in your system tray lower right corner of screen Select View Available Wireless Networks ...

Page 44: ...n box will appear Enter the WPA PSK passphrase and click Connect It may take 20 30 seconds to connect to the wireless network If the connection fails please verify that the WPA PSK settings are correct The WPA PSK passphrase must be exactly the same as on the wireless router or access point ...

Page 45: ...on and then select TKIP or AES 3 Click on Advanced Config to continue 4 Next to EAP Type select EAP TLS EAP TTLS or PEAP Extensible Authentication Protocols allow devices on the network to request authentication from the RADIUS server in the network All the devices on the network must use the same EAP type when using a RADIUS server for authentication Some RADIUS servers require that the Validate ...

Page 46: ...on 3 Click on Advanced Config to continue 4 Next to EAP Type select EAP TLS LEAP EAP TTLS or PEAP Extensible Authentication Protocols allow devices on the network to request authentication from the RADIUS server in the network All the devices on the network must use the same EAP type when using a RADIUS server for authentication Some RADIUS servers require that the Validate Server field be selecte...

Page 47: ...r provides solutions to problems that can occur during the installation and operation of the DWA 120 Read the following descriptions if you are having problems The examples below are illustrated in Windows XP If you have a different operating system the screenshots on your computer will look similar to the following examples Go to Start My Computer Properties ...

Page 48: ...ext to Network Adapters Right click on D Link Wireless 108G DWA 120 USB Adapter Select Properties to check that the drivers are installed properly Look under Device Status to check that the device is working properly Click OK to continue D Link DWA 120 Wireless USB Adapter ...

Page 49: ... and DNS settings are correctly entered for the network In Infrastructure mode make sure the same Service Set Identifier SSID is specified on the settings for the wireless clients and access points The SSID factory default setting for most D Link products is default Double click on the WLAN icon in the taskbar The Link Info screen will display the SSID setting In Ad Hoc mode both wireless clients ...

Page 50: ...en connecting without an access point Double click on the WLAN icon in the taskbar click on Configuration to change the settings for the wireless adapter If Security is enabled make sure that the correct encryption keys are entered on both the DWA 120 and the access point Double click on the WLAN icon in the taskbar click Encryption Check to see that the key selected is set to the same key as othe...

Page 51: ...eless LANs are used increasingly in both home and office environments and public areas such as airports coffee shops and universities Innovative ways to utilize WLAN technology are helping people to work and communicate more efficiently Increased mobility and the absence of cabling and other fixed infrastructure have proven to be beneficial for many users Wireless users can use the same applicatio...

Page 52: ...ata from one point A to point B But wireless technology has restrictions as to how you can access the network You must be within the wireless network range area to be able to connect your computer There are two different types of wireless networks Wireless Local Area Network WLAN and Wireless Personal Area Network WPAN Wireless Local Area Network WLAN In a wireless local area network a device call...

Page 53: ...ones laptops speakers and other devices that operate on batteries Who uses wireless Wireless technology as become so popular in recent years that almost everyone is using it whether it s for home office business D Link has a wireless solution for it Home Gives everyone at home broadband access Surf the web check email instant message and etc Gets rid of the cables around the house Simple and easy ...

Page 54: ...sk not knowing where to start That s why we ve put together a few setup steps and tips to help you through the process of setting up a wireless network Tips Here are a few things to keep in mind when you install a wireless network Centralize your router or Access Point Make sure you place the router access point in a centralized location within your network for the best performance Try to place th...

Page 55: ...ireless clients will connect to an access point or wireless router Ad Hoc Directly connecting to another computer for peer to peer communication using wireless network adapters on each computer such as two or more DWA 120 wireless network USB adapters An Infrastructure network contains an Access Point or wireless router All the wireless devices or clients will connect to the wireless router or acc...

Page 56: ...Run In the run box type cmd and click OK At the prompt type ipconfig and press Enter This will display the IP address subnet mask and the default gateway of your adapter If the address is 0 0 0 0 check your adapter installation security settings and the settings on your router Some firewall software programs may block a DHCP request on newly installed adapters If you are connecting to a wireless n...

Page 57: ...ur D Link network adapter and select Properties Step 3 Highlight Internet Protocol TCP IP and click Properties Step 4 Click Use the following IP address and enter an IP address that is on the same subnet as your network or the LAN IP address on your router Example If the router s LAN IP address is 192 168 0 1 make your IP address 192 168 0 X where X is a number between 2 and 99 Make sure that the ...

Page 58: ...Range Indoors Up to 328 feet 100 meters Outdoors Up to 1 312 feet 400 meters Power Consumption PowerSave mode 28mA Standby mode 4 66mA Transmit mode 248mA Modulation Technology Orthogonal Frequency Division Multiplexing OFDM Complementary Code Keying CCK Receiver Sensitivity 54Mbps OFDM 10 PER 68dBm 48Mbps OFDM 10 PER 68dBm 36Mbps OFDM 10 PER 75dBm 24Mbps OFDM 10 PER 79dBm 18Mbps OFDM 10 PER 82dBm...

Page 59: ...mm H 12 mm Weight 17 6 g Maximum wireless signal rate derived from IEEE Standard 802 11g specifications Actual data throughput will vary Network conditions and environmental factors including volume of network traffic building materials and construction and network overhead lower actual data throughput rate Environmental factors will adversely affect wireless signal range ...

Page 60: ...60 D Link DWA 120 User Manual Version 1 20 2008 10 27 ...

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