D-Link AirPlus DWL-G120, Manual

Page 1: ...Manual Building Networks for People 802 11g 2 4GHz Wireless USB Adapter D Link AirPlus G DWL G120 TM ...

Page 2: ...tents 3 Introduction 4 Wireless Basics 6 Getting Started 10 Using the Configuration Utility 13 Networking Basics 19 Troubleshooting 32 Technical Specifications 35 Contacting Technical Support 36 Warranty and Registration 37 ...

Page 3: ...ick Installation Guide Package Contents Properly installed and working USB Controller USB Cable If any of the above items are missing please contact your reseller System Requirements Windows XP 2000 Me 98SE A computer or laptop with an available USB port At least 32 MB of memory and a 300 MHz processor TM ...

Page 4: ...ting systems and can be integrated into a larger network running Windows XP 2000 Me 98SE in either Ad Hoc mode without an access point or router or Infrastructure mode with an access point or router The IEEE 802 11g Ethernet standard allows you to connect computers and 802 11g compatible devices at speeds up to 54Mbps dependent upon the distance between wireless adapters the configuration of your ...

Page 5: ... diagnostic utilities Supports Infrastructure networks via an access point or router and Peer to Peer communication in Ad Hoc mode Network Security with 128 bit WEP encryption USB 2 0 standard Fully 802 11g compatible Backwards compatible with 802 11b devices Five times faster achieve data transfer speeds up to 54 Mbps up to 5x faster than conventional 802 11b networks when used with other 802 11g...

Page 6: ...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 applications they use on a wired network Wireless adapter cards used on laptop and desktop ...

Page 7: ...ctical Installation and Network Expansion Installing a WLAN system can be fast and easy and can eliminate the need to pull cable through walls and ceilings Wireless technology allows the network to go where wires cannot go even outside the home or office Scalability WLANs can be configured in a variety of topologies to meet the needs of specific applications and installations Configurations are ea...

Page 8: ...digital data over a radio wave utilizing OFDM Orthogonal Frequency Division Multiplexing technology OFDM works by splitting the radio signal into multiple smaller sub signals that are then transmitted simultaneously at different frequencies to the receiver OFDM reduces the amount of crosstalk interference in signal transmissions The D Link DWL G120 will automatically sense the best possible connec...

Page 9: ...ilings between the DWL G120 and other network devices to a minimum each wall or ceiling can reduce your DWL G120 s range from 3 90 feet 1 30 meters Position your devices so that the number of walls or ceilings is minimized 1 Be aware of the direct line between network devices A wall that 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 i...

Page 10: ...modes of networking Infrastructure using an access point or router such as the DI 624 Ad Hoc directly connecting to another computer for Peer to Peer communication using wireless network adapters on each computer such as two or more DWL G120 Wireless USB Adapters On the following pages we will show you an example of an Infrastructure Network and an Ad Hoc Network An Infrastructure network contains...

Page 11: ...dapter into a laptop computer See the Quick Installation Guide included with the DWL G120 TM Install the D Link AirPlus G DWL G120 Wireless USB Adapter into an available USB slot on your desktop computer See the Quick Installation Guide included with the DWL G120 TM Connect the Cable or DSL modem to your broadband router See the Quick Installation Guide included with your router Consult with your ...

Page 12: ...igned the same IP address one or more of the devices may not be visible on the network IP Address Install the DWL G120 Wireless USB adapter into the desktop computer See the Quick Installation Guide included with the product for installation instructions Install another DWL G120 into the laptop computer Or you may install another wireless adapter such as the D Link DWL G650 wireless PC Card adapte...

Page 13: ... Utility Another way to start the Configuration Utility is to click on Start Programs D Link AirPlus G D Link AirPlus G Utility UsingtheConfigurationUtility If you are using Windows XP you can use either the Zero Configuration Utility or the D Link Configuration Utility If the icon does not display in the taskbar then click on this icon on your desktop to open To use the D Link Configuration Utili...

Page 14: ...el The channel selection is automatically determined by the DWL G120 Signal Strength Rescan Button Rescans for the strongest signal in your environment and associates with that access point or router Displays the Link Quality for the DWL G120 wireless connection to the access point The Signal Strength represents the wireless signal between the access point and the DWL G120 The percentage coincides...

Page 15: ...hree modes Continuous Access Mode this default setting consumes the most power Maximum Power Save this setting consumes the least power Power Save this setting consumes a moderate amount of power Click Apply to save changes Preamble Select Long or Short Preamble The Preamble defines the length of the CRC block Cyclic Redundancy Check is a common technique for detecting data transmission errors for...

Page 16: ...s the network Shared Authentication allows communication only with other devices with identical WEP settings Auto will automatically adjust to the Authentication mode of the wireless access point or router Key Format ASCII or hexadecimal format Key Length Select the key length either 64 or 128 bits Hexadecimal digits consist of the numbers 0 9 and the letters A F ASCII American Standard Code for I...

Page 17: ...n manage the profiles that you have created for the wireless network at home at the office and in public places Scroll up and down and highlight the profile that you wish to configure You can Add or Remove a profile or configure the Properties of the profile in order to connect with an available network Properties Click on Properties and the screen on the next page will appear D Link AirPlus G Wir...

Page 18: ...18 In this window you can configure all the properties of a profile in order to con nect with a network of your choice Click OK to save the changes Properties Using the Configuration Utility continued ...

Page 19: ...soft Windows XP Note Please refer to websites such as http www homenethelp com and http www microsoft com windows2000 for information about networking computers using Windows 2000 Me or 98SE Go to Start Control Panel Network Connections Select Set up a home or small office network Networking Basics When this screen appears click Next ...

Page 20: ...ctions in this window Networking Basics continued Click Next In the following window select the best description of your computer If your computer connects to the Internet through a router select the second option as shown Click Next ...

Page 21: ...21 Enter a Computer description and a Computer name optional Click Next Enter a Workgroup name All computers on your network should have the same Workgroup name Click Next Networking Basics continued ...

Page 22: ... while the Network Setup Wizard applies the changes When the changes are complete click Next Please wait while the Network Setup Wizard configures the computer This may take a few minutes Networking Basics continued ...

Page 23: ...at fits your needs In this example Create a Network Setup Disk has been selected You will run this disk on each of the computers on your network Click Next Insert a disk into the Floppy Disk Drive in this case drive A Networking Basics continued ...

Page 24: ...ere s how in the screen below After you complete the Network Setup Wizard you will use the Network Setup Disk to run the Network Setup Wizard once on each of the computers on your net work To continue click Next Networking Basics continued ...

Page 25: ... when you restart the computer Click Yes to restart the computer You have completed configuring this computer Next you will need to run the Network Setup Disk on all the other computers on your network After running the Network Setup Disk on all your computers your new wireless network will be ready to use Networking Basics continued ...

Page 26: ...ick Select the Computer Name tab in the System Properties window You may enter a Com puter Description if you wish this field is optional To rename the computer and join a domain click Change Networking Basics continued Naming your Computer To name your computer in Windows XP please follow these directions ...

Page 27: ...P Address in Windows XP The wireless adapter equipped computers in your network must be in the same IP address range see Getting Started in this manual for a definition of IP ad dress range To check on the IP address of the adapter please do the follow ing Right click on the Local Area Connection icon in the task bar Click on Status Networking Basics continued Naming your Computer ...

Page 28: ...ally assign IP addresses to the computers on the network using DHCP Dynamic Host Configuration Protocol technology If you are using a DHCP capable router you will not need to assign static IP addresses If you are not using a DHCP capable router or you need to assign a static IP address please follow these instructions Go to Start Double click on Control Panel Networking Basics continued ...

Page 29: ...29 Double click on Network Connections Double click on Properties Right click on Local Area Connections Assigning a Static IP Address in Windows XP 2000 Networking Basics continued ...

Page 30: ...lick on Internet Protocol TCP IP Click Properties Networking Basics continued In the screen below please do the following Input your IP address and subnet mask The IP addresses on your network must be within the same range For example if one computer has an IP address of 192 168 0 2 the other computers should have IP addresses that are sequential like 192 168 0 3 and 192 168 0 4 The subnet mask mu...

Page 31: ...nnection will show four replies from the wireless router or access point as shown Go to Start Run type command A window similar to this will appear Type ping xxx xxx xxx xxx where xxx is the IP address of the wireless router or access point A good wireless connection will show four replies from the wireless router or access point as shown The IP addresses in these illustrations are examples only T...

Page 32: ...perties This chapter provides solutions to problems that can occur during the installation and operation of the DWL G120 Read the following descriptions if you are having problems The examples below are illustrated in Windows XP If you have another operating sys tem these solutions will still apply although the appearance on your computer screen may differ ...

Page 33: ...ireless 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 D Link AirPlus G DWL G120 Wireless USB Adapter D Link AirPlus G DWL G120 Wireless USB Adapter D Link AirPlus G DWL G120 Wireless USB Adapter ...

Page 34: ...y to keep the antenna at least 6 inches away from the wall or other objects If you are using 2 4GHz cordless phones X 10 equipment or other home security systems ceiling fans and lights your wireless connection will degrade dramatically or drop altogether Try changing the channel on your router access point and wireless adapter to a different channel to avoid interference Keep your product away at...

Page 35: ...gnostic LED 95 non condensing Humidity Antenna Type Single External Dual Diversity DSSS Modulation Technique L 3 inches W 2 inches H 0 5 inches Physical Dimensions 54 22 11 5 5 2 1 Mbps with Automatic Fallback Data Rates USB 2 0 Interface Eleven channels for North America Available Channels CSMA CA with ACK Media Access Protocol IEEE 802 11 IEEE 802 11g ...

Page 36: ...adian customers can contact D Link Technical Support through our website or by phone Tech Support for customers within the United States D Link Technical Support over the Telephone 877 453 5465 24 hours a day seven days a week D Link Technical Support over the Internet http support dlink com email support dlink com Tech Support for customers within Canada D Link Technical Support over the Telephon...

Page 37: ...ortion of the product Software will substantially conform to D Link s then current functional specifications for the Software as set forth in the applicable documentation from the date of original retail purchase of the Software for a period of ninety 90 days Warranty Period provided that the Software is properly installed on approved hardware and operated as contemplated in its documentation D Li...

Page 38: ...tion modification tampering negligence misuse faulty installation lack of reasonable care repair or service in any way that is not contemplated in the documentation for the product or if the model or serial number has been altered tampered with defaced or removed Initial installation installation and removal of the product for repair and shipping costs Operational adjustments covered in the operat...

Page 39: ...Corporation D Link Systems Inc as stipulated by the United States Copyright Act of 1976 Contents are subject to change without prior notice Copyright 2002 by D Link Corporation D Link Systems Inc All rights reserved CE Mark Warning This is a Class B product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures FCC State...

Page 40: ...e the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 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 interf...