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System Requirements
• Windows® Vista™ or XP (with Service Pack 2)
• 233MHz processor and at least 64MB of RAM
• An available Ethernet Adapter (100MBit/s)
Package Contents
DXN-220 Ethernet
Coaxial Bridge
CAT5 Ethernet Cable
If any of the above items are missing, please contact your reseller.
D-Link DXN-220 Quick Install Guide 2
CD-ROM with Manual and
Installation Wizard
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Front Panel
Power LED
A solid light indicates that the
device is receiving power.
LAN LED
A solid light indicates a connection on the
Ethernet port. The LED blinks during data
transmission
100Mbps LED
A solid light indicates that the
device has detected a 100
Mbps connection.
COAX LED
A solid light indicate that the device
has formed a netwo rk over the
coaxial cable with at least one other
DXN-220
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Rear Panel
Configuration Switch
Configuration Switch put DXN-220 in either
MoCA mode or Config mode. Default mode is
MoCA mode.
TV OUT
Connect one end of a coaxial
cable to the DXN-220 TV out
port and the other end to your
television.
LAN
Co nne ct on e end of th e CAT5
Ethernet cable to DXN-220 LAN port
and the other end to your Ethernet
device.
COAX IN/OUT
Connect one end of a coaxial cable to the
DXN-220 Coax Input/Output port and the
other end to your cable outlet.
Power
Conn ect the power adapte r
included in the product package
of the DXN-220.
Reset
Press and hold at least 10 seconds
to restore device back to the factory
default settings. Press 1 second for
system reboot.
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Installation Planning Overview
The proper cable installation, placement of filter/amplifier, frequency
planning and home preparation for signal coexistence should be
planned out thoroughly before deploying the DXN-220. Inadequate
planning will not only affect the DXN-220 network but also cause
unwanted interference with other existing services. The following
section discusses these installation considerations in more detail.
Proper Cable Installation
The rooms qualified to be part of the DXN-220 network should have
an existing coaxial connection and the following characteristics:
• The room is capable of receiving good quality analog
television service (no set-top box required) over the
coaxial cable.
• The room is capable of receiving digital television
services using a set-top box.
If the room cannot receive digital or good quality analog television
services, the Ethernet-Coaxial network capabilities may be
compromised to this location.
Amplifier Bypassing
An electronic amplifier is a device that boosts a weak signal. The
typical amplifier cannot pass DXN-220 network signal because they
are designed to be unidirectional devices. Hence, the amplifier should
be uninstalled or bypassed if possible. To bypass an amplifier, user
will need to install Diplexers to separate the DXN-220 signal and other
signal first and only install the amplifier between the paths of none
DXN-220 network signal.
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Frequency Planning
The DXN-220 is capable of operating between frequency bands
of 800MHz and 1500MHz. In order to avoid interference between
the DXN-220 device and other devices on the same cable network,
DXN-220 device must operate at a frequency spectrum that is different
from other devices.
• 5-42MHz (High-speed Internet Access Upstream)
• 42-850MHz (High-speed Internet Access downstream)
• 50-806MHz (Off-Air TV)
• 50-860MHz (Cable TV)
• 950-2150MHz (Satellite L-Band)
One common scenario is where DXN-220, cable television and
high-speed Internet service need to coexist. The cable television
in United States operates between 50-860MHz while high-speed
Internet service upstream and downstream operate between
5-42MHz and 42-850 MHz respectively. Hence, the logical choice for
DXN-220 frequency would be between 940-1500MHz. Similar
frequency planning approach should be taken into consideration
when dealing with Satellite and off-air antenna.
Terrestrial Television (Off-Air)
If you are receiving terrestrial television service using a broadband
antenna, then additional components may have to be installed in order
to be compliant with governmental regulations. DXN-220 network
signals operating in the 800 to 1500 MHz range should be prevented
from radiating out of the antenna by using a small, in-line Low Pass
Filter (LPF-860Mhz). This filter will prevent DXN-220 network signals
from reaching the antenna.
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Cable Television (CATV)
For a cable television subscriber, there are no additional components
required to be installed to work with the DXN-220 on the same
cable network. The user may choose to install the DXN-220 on the
network and use it as-is if data rate is acceptable. Also, the user may
improve DXN-220 network performance by inserting a Low Pass Filter
(LPF-860Mhz) at Point of Entry (POE) where the drop cable enters
the house.
DBS Satellite Television with Terrestrial Television (Off-Air)
The Direct Broadcast Satellite (DBS) uses proprietary satellite
channel-stacking switch or Low-Noise Block (LNB) to distribute the
resulting signal (usually 950 to 2150 MHz) in the same cable network
that carries the lower-frequency terrestrial television from an outdoor
antenna. Another Diplexer then separates the signals to the receiver
of the TV set and the DBS set-top box (STB).
Most of the satellite switches are not designed to pass the
DXN-220 network signal and prevents it from forming a network. It is
recommended that satellite signal and the DXN-220 network signal
should remain on separate cable networks. If separate wiring cannot
be done, then additional components have to be installed:
1. Install Triplexer to separate UHF/VHF, DXN-220, and DBS
signals.
2. Install MoCA Coupler switch before the satellite switch.
Existing OSP installed MoCA network
The DXN-220 will automatically scan for an available channel and
form Ethernet-Coaxial network. This may cause issue with the existing
OSP MoCA network. It will not be permitted to join the OSP MoCA
network unless utilizing the same frequency and password.
The remediation in this situation is to use the DXN-220 software utility
to configure the DXN-220 to be on the same frequency with the same
privacy network as the existing OSP MoCA network.
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Hardware Installation
Power
Plug the DXN-220 into an AC wall outlet or power strip.
Note: Power source is confirmed when the green LED Power indicator on
the DXN-220 is illuminated.
Connect the Ethernet Cable
Connect the included Ethernet cable to the LAN port located on the DXN-220
and attached the other end of the Ethernet cable to the network or PC.
Connect the Coaxial Cable
Connect coaxial cable to the Coax I/O port located on DXN-220 and attached
the other end of the coax cable to your cable jack inside the house.
Note: Please make sure the DXN-220’s configuration switch is in MoCA
mode. Coaxial Network Connectivity is confirmed when the green LED COAX
indicator on the DXN-220 is illuminated.
If there is TV service being received in the room and you wish to continue
viewing the service, connect the other coax cable to the TV Out port on
the DXN-220 and attach the other end of the coax cable to your television,
Set-top Box (STB), or VCR as desired.
D-Link DXN-220 Quick Install Guide 8
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Software Installation
D-Link DXN-220 comes with software utility to allow control over
certain coaxial networking parameter. The unit is shipped with default
parameters that will allow operation on most coaxial network without
any additional configuration. However, if a special network security
password is required or if a specific channel operating frequencies is
required, then the default parameters will need to be modified.
Follow the simple steps below to run the Setup Wizard to guide you
quickly through the installation process.
Insert the D-Link DXN-220 Ethernet Coaxial Bridge CD into your
CD-ROM drive. If the CD Autorun function does not automatically
start on your computer, click Start > Run.
In the Run command box type “D:\DXN220.exe” where D: represents
the drive letter of your CD-ROM and press Enter.
Click on Install Utility
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Th e Instal lShield Wiza rd will begin the DXN-220 softwa re
installation.
Click Next
Click Next
Click Next
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Click Finish
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Configuration
After you have completed the D-Link DXN-220 Ethernet Coaxial Bridge
Utility installation wizard, double-click the D-Link DXN-220 Utility icon
on your desktop to start the configuration of the DXN-220.
No te: Pl ease make sure t he locally c onnect ed DXN-220’s
configuration switch is in Config mode before you click on the D-Link
DXN-220 Utility Icon. When the device is in Config mode, it will lose
coaxial network connectivity temporarily until the device is switched
back to MoCA mode.
Double-click the DXN-220
Utility icon.
Enter admin on the Login Password field and click Login.
Note: The default login password is admin.
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The utility provides you with the option of setting your own unique
Network Privacy Password and the ability to observe the coaxial
network information.
Note: After you finished configuring the DXN-220, close the utility
application and switch the DXN-220 back to MoCA mode to
reestablish the coaxial network connectivity again.
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Setup section allows user to configure coaxial network and privacy
setting:
Channel: Select the specific channel frequency to use or select
“SCAN” to automatically scan for available channel frequency.
Diplexer mode: Select either “MoCA D Band” mode or “All Pass”
mode. “MoCA D Band” mode allow channel frequency range from
1150 – 1500 MHz. “All pass” mode allow channel frequency range
from 875 – 1500 MHz.
Privacy Password: Select to turn the coaxial network security mode
on (Enable) or off (Disable). Type in the password to use for the
network. Your password must be 12 to 17 numeric characters long,
and it cannot contain any letters. The password must be the same for
all nodes on the coaxial network to ensure connectivity. The factory
default for the password is “99999999988888888”.
Restore Default: Click the “Restore Default” button to restore the
system settings to factory default.
Note: When you restore to factory default settings, all previous
settings will be lost.
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Notes
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Technical Support
D-Link’s website contains the latest user documentation and
software updates for D-Link products.
U.S. and Canadian customers can contact D-Link Technical
Support through our website or by phone.
United States
Telephone
(877) 453-5465
World Wide Web
http://support.dlink.com
Canada
Telephone
(800) 361-5265
World Wide Web
http://support.dlink.com
Version 1.0
January 3, 2008
Copyright ©2008 D-Link Corporation/D-Link Systems, Inc. All rights reserved. D-Link and the D-Link logo are registered
trademarks of D-Link Corporation or its subsidiaries in the United States and other countries. Other trademarks are the property
of their respective owners. Network conditions and environmental factors, including volume of network traffic, building materials
and construction, and network overhead lower actual data throughput rate. Product specifications, size and shape are subject
to change without notice, and actual product appearance may differ from that depicted on the packaging. Visit www.dlink.com
for more details.
D-Link DXN-220 Quick Install Guide 16
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