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D-Link DIR-655 User Manual
Appendix A - Wireless Basics
Where is wireless used?
Wireless technology is expanding everywhere not just at home or office. People like the freedom of mobility and it’s becoming so popular that more
and more public facilities now provide wireless access to attract people. The wireless connection in public places is usually called “hotspots”.
Using a D-Link Cardbus Adapter with your laptop, you can access the hotspot to connect to Internet from remote locations like: Airports, Hotels,
Coffee Shops, Libraries, Restaurants, and Convention Centers.
Wireless network is easy to setup, but if you’re installing it for the first time it could be quite a task 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 the router/access
point as high as possible in the room, so the signal gets dispersed throughout your home. If you have a two-story home, you may need a repeater
to boost the signal to extend the range.
Eliminate Interference
Place home appliances such as cordless telephones, microwaves, and televisions as far away as possible from the router/access point. This would
significantly reduce any interference that the appliances might cause since they operate on same frequency.
Security
Don’t let you next-door neighbors or intruders connect to your wireless network. Secure your wireless network by turning on the WPA security
feature on the router. Refer to product manual for detail information on how to set it up.
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Appendix A - Wireless Basics
There are basically two modes of networking:
Infrastructure
– All wireless 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 DIR-655 wireless network Cardbus adapters.
An Infrastructure network contains an Access Point or wireless router. All the wireless devices, or clients, will connect to the wireless router or access
point.
An Ad-Hoc network contains only clients, such as laptops with wireless cardbus adapters. All the adapters must be in Ad-Hoc mode to
communicate.
Wireless Modes
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Appendix B - Networking Basics
Networking Basics
Check your IP address
After you install your new D-Link adapter, by default, the TCP/IP settings should be set to obtain an IP address from a DHCP server (i.e. wireless
router) automatically. To verify your IP address, please follow the steps below.
Click on
Start
>
Run
. In the run box type
cmd
and click
OK.
(Windows Vista
®
users type
cmd
in the
Start Search
box.)
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 network at a hotspot (e.g.
hotel, coffee shop, airport), please contact an employee or
administrator to verify their wireless network settings.
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Appendix B - Networking Basics
Statically Assign an IP address
If you are not using a DHCP capable gateway/router, or you need to assign a static IP address, please follow the steps below:
Step 1
Windows® 7 - Click on
Start > Control Panel > Network and Internet > Network and Sharing Center
.
Windows Vista® - Click on
Start
>
Control Panel
>
Network and Internet
>
Network and Sharing Center
>
Manage Network Connections.
Windows® XP - Click on
Start
>
Control Panel
>
Network Connections
.
Windows® 2000 - From the desktop, right-click
My Network Places
>
Properties
.
Step 2
Right-click on the
Local Area Connection
which represents your 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 number you choose is not in use on the network. Set
Default Gateway the same as the LAN IP address of your router (192.168.0.1).
Set Primary DNS the same as the LAN IP address of your router (192.168.0.1). The Secondary DNS is not
needed or you may enter a DNS server from your ISP.
Step 5
Click
OK
twice to save your settings.
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Appendix C - Technical Specifications
Technical Specifications
Standards
• IEEE 802.11n
• IEEE 802.11g
• IEEE 802.3
• IEEE 802.3u
Security
• WPA-Personal
• WPA2-Personal
• WPA-Enterprise
• WPA2-Enterprise
Wireless Signal Rates*
• 300Mbps
• 12Mbps
• 108Mbps
• 11Mbps
• 54Mbps
• 9Mbps
• 48Mbps
• 6Mbps
• 36Mbps
• 5.5Mbps
• 24Mbps
• 2Mbps
• 18Mbps
• 1Mbps
MSC (0-15)
• 130Mbps (270)
• 117Mbps (243)
• 104Mbps (216)
• 78Mbps (162)
• 66Mbps (135)
• 58.5Mbps (121.5)
• 52Mbps (108)
• 39Mbps (81)
• 26Mbps (54)
• 19.5Mbps (40.5)
• 12Mbps (27)
• 6.5Mbps (13.5)
Frequency Range
• 2.4GHz to 2.483GHz
Transmitter Output Power
• 15dBm ± 2dB
External Antenna Type
• Three (3) detachable reverse SMA Antennas
LEDs
• Power
• Internet
• Status
• WLAN
• LAN (10/100/1000) • USB
Operating Temperature
• 32°F to 131°F ( 0°C to 55°C)
Humidity
• 95% maximum (non-condensing)
Safety & Emissions
• FCC
• CE
Dimensions
• L = 7.6 inches
• W = 4.6 inches
• H = 1.2inches
Warranty
• 1 Year
* Maximum wireless signal rate derived from IEEE Standard 802.11g and 802.11n 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.

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