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D-Link Air Xpert DI-774
2.4 GHz / 5 GHz Tri-Mode Dualband
Wireless Router
Manual
Building Networks for People
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Contents Package Contents ................................................................................3 Introduction............................................................................................4 Connections ..........................................................................................5 Features ...............................................................................................6 LEDs .......................................................................
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Package Contents Contents of Package: ! D-Link Air Xpert DI-774 2.4GHz/5GHz Tri-Mode Dualband Wireless Router Power Adapter – 5V DC, 3.0A ! Manual on CD ! Quick Installation Guide ! Ethernet Cable ! Note: Using a power supply with a different voltage rating than the one included with the DI-774 will cause damage and void the warranty for this product. If any of the above items are missing, please contact your reseller. System Requirements For Configuration: Computer with Windows, Macintosh, or
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Introduction At up to five times the speed of previous wireless devices, you can work faster and more efficiently, increasing productivity. With the DI-774, bandwidth-intensive applications like graphics or multimedia will benefit significantly because large files are able to move across the network quickly. This versatile wireless router also features four times the number of non-overlapping channels than a device that supports only 802.11g, so more users can access the network. Support for all
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Connections - Back Panel of Unit All Ethernet Ports (WAN and LAN) are auto MDI/MDIX, meaning you can use either a straight-through or a crossover Ethernet cable. Pressing the Reset Button restores the router to its original factory default settings. Auto MDI/MDIX The Auto MDI/MDIX Receptor for the LAN ports WAN port is the automatically connection for the Power Adapter sense the cable Ethernet cable to type when the Cable or DSL connecting to modem Ethernet-enabled computers. 5
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Features Fully compatible with the 802.11a and 802.11g standards to provide a wire- ! less data rate of up to 54Mbps Backwards compatible with the 802.11b standard to provide a wireless data ! rate of up to 11Mbps TM ! WPA (Wi Fi Protected Access ) authorizes and identifies users based on a secret key that changes automatically at a regular interval, for example: !TKIP (Temporal Key Integrity Protocol), in conjunction with a RADIUS server, changes the temporal key every 10,000 packets, ensuri
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LEDs - Front Panel of Unit LED stands for Light-Emitting Diode. The DI-774 has the following LEDs: Power A solid light indicates a proper connection to the power supply Status A blinking light indicates that the DI-774 is ready WLAN LEDs for 11a WAN LED and 11g wireless net- A solid light Local work segments. indicates connec- Network LEDs A solid light indi- tion on the WAN A solid light indicates cates that the port. This LED a connection to an wireless segment is blinks during data Ethernet-
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Wireless Basics D-Link wireless products are based on industry standards to provide easy-to-use and compatible high-speed wireless connectivity within your home, business or public access wireless networks. D-Link wireless products will allow you access to the data you want, when and where you want it. You will be able to enjoy the freedom that wireless networking brings. A WLAN is a cellular computer network that transmits and receives data with radio signals instead of wires. WLANs are used in
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Wireless Basics (continued) Standards-Based Technology The DI-774 Wireless Broadband Router utilizes the new 802.11g standard, in addition to the 802.11a and 802.11b standards. The IEEE 802.11g standard is an extension of the 802.11b standard. It increases the data rate up to 54 Mbps within the 2.4GHz band, utilizing OFDM technology. This means that in most environments, within the specified range of this device, you will be able to transfer large files quickly or even watch a movie in MPEG fo
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Getting Started 1 1 1 1 1 Setting up a Wireless 2 2 2 Infrastructure 2 2 Network 3 3 3 3 3 4 4 4 4 4 6 6 6 6 6 5 5 5 5 5 For a typical wireless setup at home (as shown above), please do the following: You will need broadband Internet access (a Cable or DSL-subscriber line into your home or office) Consult with your Cable or DSL provider for proper installation of the modem Connect the Cable or DSL modem to the DI-774 Wireless Router (see the printed Quick Installation Guide included with your ro
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Using the Configuration Menu Whenever you want to configure your network or the DI-774, you can access the Configuration Menu by opening the web-browser and typing in the IP Address of the DI-774. The DI-774 default IP Address is shown here: ! Open the web browser ! Type in the IP Address of http://192.168.0.1 the Router (http://192.168.0.1) Note: if you have changed the default IP Address assigned to the DI-774, make sure to enter the correct IP Address. ! Type admin in the User Name field
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Using the Configuration Menu (continued) Home > Wireless > Open or Shared 52 Wireless Settings- Choose 802.11a or 802.11g. Here, 802.11a is selected. 802.11a uses the 5GHz frequency range and can support speeds of up to 54Mbps. 802.11g uses the 2.4GHz frequency range and can support speeds of up to 54Mbps. 802.11g is also backwards compatible with 802.11b. SSID- “default” is the default setting. All devices on the network must share the same SSID. If you change the default setting, the SSID ma
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Using the Configuration Menu (continued) Home > Wireless > Open or Shared (continued) Channel- 52 is the default channel for 802.11a. 6 is the default channel for 802.11g. All devices on the network must share the same channel. Authentication- Open System - communicates the key across the network Shared Key - devices must have identical WEP settings in or- der to communicate in the network WPA - Wi-Fi Protected Access authorizes and authenticates users onto the wireless network. WPA uses stronge
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Using the Configuration Menu (continued) Home > Wireless > WPA 1 11 Authentication- WPA (Wi-Fi Protected Access) is selected. Wi-Fi Protected Access authorizes and authenticates users onto the wireless network. WPA uses stronger security than WEP and is based on a key that changes automatically at a regular interval.This mode requires the inclusion of a RADIUS server in your network. 802.1x 802.1x Authentication is a first line of defense against intrusion. In the Authentication process the serv
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Using the Configuration Menu (continued) Home > Wireless > WPA-PSK 1 Authentication- WPA-PSK - Pre-Shared Key mode means that the wireless cli- ent and the router must have the same passphrase in order to establish the wireless connection. A RADIUS server is not re- quired with PSK. Enter a passphrase for the router. The RADIUS server should Passphrase- use the same passphrase (secret key) as the router. 15
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Using the Configuration Menu (continued) Home > WAN > Dynamic IP Address Dynamic Most Cable modem users will select this option to obtain an IP IP Address- Address automatically from their ISP (Internet Service Pro- vider). Host Name- This is optional, but may be required by some ISPs. The host name is the device name of the Router. The default MAC Address is set to the WAN’s physical inter- MAC Address- face MAC address on the Router. Clone Copy the MAC address of the Ethernet card installed b
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Using the Configuration Menu (continued) Home > WAN > Static IP Address Select this option to set static IP information provided to you Static IP Address- by your ISP. Input the IP Address provided by your ISP IP Address- Input your Subnet mask. (All devices in the network must Subnet Mask- have the same subnet mask.) ISP Input the Gateway address Gateway Address- Primary/ Enter a DNS Address if you do not wish to use the one pro- vided by your ISP. (DNS is short for Domain Name System. It Se
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Using the Configuration Menu (continued) Home > WAN > PPPoE Please be sure to remove any existing PPPoE client software installed on your computers. PPPoE- Choose this option if your ISP uses PPPoE. (Most DSL users will select this option). Dynamic PPPoE- receive an IP Address automaticsally from your ISP. Static PPPoE- you have an assigned (static) IP Address. User Name- Your PPPoE username provided by your ISP. Your PPPoE password provided by your ISP. Password- Retype Password- Re-enter the
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Using the Configuration Menu (continued) Home > WAN > PPPoE continued Primary/Secondary Enter a DNS Address if you do not wish to use the one provided by your ISP. (DNS is short for Domain Name System. It trans- DNS- lates domain names into IP Addresses). Maximum Enter a maximum idle time during which Internet connection is maintained during inactivity. To disable this feature, enter zero Idle Time- or enable Auto-reconnect. Maximum Transmission Unit-1472 is default-you may need to MTU- change
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Using the Configuration Menu (continued) DHCP stands for Home > DHCP Dynamic Host Control Protocol. The DI-774 has a built-in DHCP server. The DHCP Server will automatically assign an IP Address to the computers on the LAN/private network. Be sure to set your computers to be DHCP clients by setting their TCP/IP settings to “Obtain an IP Address Automatically.” When you turn your computers on, they will automatically load the proper TCP/ IP settings provided by the DI-774. The DHCP Server will au
