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Introduction
2
Revolutionary N1 Wireless Technology with MIMO (N1 MIMO)
Your Belkin Vision wireless router uses a new smart-antenna technology
called Multiple Input Multiple Output (MIMO). N1 MIMO complies
with the IEEE draft 802.11n specification. It increases speed, range,
reliability, and spectral efficiency for wireless networking systems.
The element that makes Belkin’s N1 MIMO technology different from a
conventional radio is the use of multiple antennas and two simultaneous
data streams to deliver wireless transfers around your home or office. A
conventional radio uses one antenna to transmit a data stream. Belkin’s
N1 MIMO technology, on the other hand, uses three antennas. This
design helps combat distortion and interference. Belkin’s N1 MIMO is
multidimensional. It builds on one-dimensional smart-antenna technology
by simultaneously transmitting two data streams through the same channel,
which increases wireless capacity.
Another element that enhances Belkin’s N1 MIMO technology is the use of
aggregation as specified in the draft 802.11n standard. By shortening the
space between packets and combining multiple smaller packets into one
larger packet, Belkin’s N1 MIMO technology can transmit more data through
available bandwidth.
Think of conventional radio transmission as a two-lane highway. The
speed limit governs the maximum allowable flow of traffic through
that lane. Compared with conventional radios, one-dimensional
smart-antenna systems help move traffic through that lane faster
and more reliably—analogous to a four-lane road on which traffic
consistently moves at a rate closer to the speed limit. Belkin’s N1
MIMO technology helps traffic move at the speed limit and opens
more lanes—to become the superhighway in this example. The rate of
traffic flow is multiplied by the number of lanes that are opened.
Placement of your N1 Vision
Important Factors for Placement and Setup
Your wireless connection will be stronger the closer your computer is
to your N1 Vision. Typical indoor operating range for wireless devices
is between 100 and 200 feet.
In the same way, your wireless connection and performance will degrade
somewhat as the distance between your N1 Vision and connected devices
increases. This may or may not be noticeable to you. As you move further
from your N1 Vision, connection speed may decrease. Factors that can
weaken signals simply by getting in the way of your network’s radio waves
are metal appliances or obstructions, and walls.
Page 7 / 114
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Introduction
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If you have concerns about your network’s performance that might be
related to range or obstruction factors, try moving the computer to a
position between five and 10 feet from the N1 Vision in order to see
if distance is the problem. If difficulties persist even at close range,
please contact Belkin Technical Support.
Note:
While some of the items listed below can affect network
performance, they will not prohibit your wireless network from
functioning; if you are concerned that your network is not operating at
its maximum effectiveness, this checklist may help.
1.
N1 Vision
Place your N1 Vision, the central connection point of your
network, as close as possible to the center of your wireless
network devices.
To achieve the best wireless network coverage for your “wireless
clients” (i.e., computers enabled by Belkin Wireless Notebook
Network Cards, Wireless Desktop Network Cards, and Wireless
USB Adapters):
•
Ensure that your N1 Vision’s networking antennas are parallel
to each other, and are positioned vertically (toward the
ceiling). If your N1 Vision itself is positioned vertically, point
the antennas as much as possible in an upward direction.
•
In multistory homes, place the N1 Vision on a floor that is as
close to the center of the home as possible. This may mean
placing the N1 Vision on an upper floor.
•
Try not to place the N1 Vision near a cordless 2.4GHz phone.
2.
Avoid Obstacles and Interference
Avoid placing your N1 Vision near devices that may emit radio
“noise,” such as microwave ovens. Dense objects that can inhibit
wireless communication include:
• Refrigerators
• Washers and/or dryers
• Metal cabinets
• Large aquariums
• Metallic-based, UV-tinted windows
If your wireless signal seems weak in some spots, make sure that
objects such as these are not blocking the signal’s path (between
your computers and N1 Vision).
Page 8 / 114
Introduction
4
3.
Cordless Phones
If the performance of your wireless network is impaired after
attending to the above issues, and you have a cordless phone:
• Try moving cordless phones away from your N1 Vision and your
wireless-enabled computers.
• Unplug and remove the battery from any cordless phone
that operates on the 2.4GHz band (check manufacturer’s
information). If this fixes the problem, your phone may
be interfering.
• If your phone supports channel selection, change the channel
on the phone to the farthest channel from your wireless
network. For example, change the phone to channel 1 and
move your N1 Vision to channel 11. See your phone’s user
manual for detailed instructions.
• If necessary, consider switching to a 900MHz or 5GHz
cordless phone.
4.
Choose the “Quietest” Channel for your Wireless Network
In locations where homes or offices are close together, such as
apartment buildings or office complexes, there may be wireless
networks nearby that can conflict with yours.
Use the Site Survey capabilities found in the Wireless Utility of
your wireless adapter to locate any other wireless networks that
are available (see your wireless adapter’s user manual), and move
your N1 Vision and computers to a channel as far away from
other networks as possible.
• Experiment with more than one of the available channels, in
order to find the clearest connection and avoid interference from
neighboring cordless phones or other wireless devices.
• For Belkin wireless networking products, use the detailed Site
Survey and wireless channel information included with your
wireless network card. See your network card’s user guide for
more information.
These guidelines should allow you to cover the maximum
possible area with your N1 Vision. Should you need to cover an
even wider area, we suggest the Belkin Wireless Range
Extender/Access Point.
Page 9 / 114
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5.
Secure Connections, VPNs, and AOL
Secure connections typically require a user name and
password, and are used where security is important. Secure
connections include:
• Virtual Private Network (VPN) connections, often used to
connect remotely to an office network
• The “Bring Your Own Access” program from America Online
(AOL), which lets you use AOL through broadband provided by
another cable or DSL service
• Most online banking websites
• Many commercial websites that require a user name and
password to access your account
Secure connections can be interrupted by a computer’s power
management setting, which causes it to “go to sleep.” The
simplest solution to avoid this is to simply reconnect by rerunning
the VPN or AOL software, or by re-logging into the secure
website.
A second alternative is to change your computer’s power
management settings so it does not go to sleep; however, this
may not be appropriate for portable computers. To change your
power management setting under Windows, see the “Power
Options” item in the Control Panel.
If you continue to have difficulty with Secure Connections, VPNs,
and AOL, please review the steps above to be sure you have
addressed these issues.
For more information regarding our networking products, visit our website
at
www.belkin.com/networking
or call Belkin Technical Support at:
US:
877-736-5771
800-223-5546 ext. 2263
310-898-1100 ext. 2263
UK: 0845 607 77 87
Australia: 1800 235 546
New Zealand: 0800 235 546
Singapore: 65 64857620
Europe: www.belkin.com/support
Page 10 / 114
Product Overview
6
Product Features
In minutes you will be able to share your Internet connection and
network your computers. The following is a list of features that make
your new Belkin N1 Vision an ideal solution for your home or small
office network.
Works with Both PCs and Mac
®
Computers
The N1 Vision supports a variety of networking environments
including Mac OS
®
X v10.4; Windows
®
2000, XP, or Vista
TM
; and
others. All that is needed is an Internet browser and a network
adapter that supports TCP/IP (the standard language of the Internet).
Interactive Display
The interactive display on the front of the N1 Vision indicates which
features are in operation. You’ll know at-a-glance whether your N1
Vision is connected to the Internet. This feature eliminates the need
for advanced software and status-monitoring procedures typically
needed through the use of a computer.
Web-Based Advanced User Interface
You can set up the N1 Vision’s advanced functions easily through
your web browser, without having to install additional software onto
the computer. There are no disks to install or keep track of and, best
of all, you can make changes and perform setup functions from any
computer on the network quickly and easily.
NAT IP Address Sharing
Your N1 Vision employs Network Address Translation (NAT) to share
the single IP address assigned to you by your Internet Service
Provider (ISP) while saving the cost of adding additional IP addresses
to your Internet service account.
SPI Firewall
Your N1 Vision is equipped with a firewall that will protect your network
from a wide array of common hacker attacks including IP Spoofing,
Land Attack, Ping of Death (PoD), Denial of Service (DoS), IP with zero
length, Smurf Attack, TCP Null Scan, SYN flood, UDP flooding, Tear
Drop Attack, ICMP defect, RIP defect, and fragment flooding.

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