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Page 6 / 80 Scroll up to view Page 1 - 5
6
Grounding
Outdoor Installation
The DWL-1750 can be mounted on the side of a building or mounted to a mast
as shown above. A wall mount is a convenient location if the roof overhang is
not excessive and/or the location is high enough to provide a clear line of sight.
A safety grounding system is necessary to protect your outdoor
installation from lightning strikes and the build-up of static electricity.
Direct grounding of the antenna mast and the DWL-1750 is very
important. The grounding system must comply with the National
Electrical Code and the safety standards that apply in your country.
Always check with a qualified electrician if you do not know how to
properly ground the DWL-1750.
This product should be installed ONLY by experienced, professional
installers who are familiar with local building and safety codes, and
wherever applicable, are licensed by the appropriate authorities.
Failure
to do so may void the warranty and may expose the user or the service
provider to legal and financial liabilities.
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7
The construction of the mast must be of a sturdy, weatherproof and
no corrosive material like examples of galvanized or stainless steel
construction pipe.
Typical diameter of the mast should be between 35 mm (1.4 in.) and
41 mm (1.625 in.). Subjecting to the type of antenna that you intend
to install other diameters may be possible as well.
The height of the antenna mast must be sufficient to allow the
antenna to be installed at least 1.5 m (5 ft.) above the peak of roof. If
the roof is metal, then the height of the antenna should be a
minimum of 3 m (10 ft) above the roof.
The mast or wall-bracket must be free from any substance that may
avoid a good electrical connection with the antenna; for example,
paint.
Antenna Mast Requirements
To accommodate the outdoor antennas, the antenna mast must satisfy the
following requirements:
Antenna Alignment
For optimal performance of your wireless link, make sure that the antennas
are properly aligned (facing one another “eye-to-eye”). To align the antennas:
Use a pair of binoculars and/or a map of the area and compass to
point the antennas to one another.
Use the Utility - “Wireless Link Info” in the Web Configure as
described in the “Utility” section to analyze the radio link quality. The
“Wireless Link Info” will enable you to display the levels of signal
strength and link quality. Looking at the Wireless Link Info screen,
you can interactively optimize antenna alignment if required, by
making small modifications in the antenna orientation.
Alternatively, consult a professional Antenna Installation Service to
optimize the antenna alignment.
Omni-directional antennas are characterized by a wide radiation
pattern. Therefore alignment of this type of antennas is less critical
than for directional antennas.
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8
Features
Better security
n
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Compatible with the 802.11b standard
to provide a wireless data rate of up
to 11Mbps.
Ideal for Internet Hotspots-
Provides outdoor users with wireless Internet
Access
n
2 Different Operation modes -
Capable of operatingas either a Router or a
Bridge.
n
Robust Outdoor Housing -
Designed for harsh outdoor environments, with
die-cast, watertight housing and built-in lightning protector
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64/128 bit WEP
n
Built-in Firewall
Operates in the 2.4GHz frequency range
n
Easy Installation
with the Setup Wizard
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Multiple Management options
- Great for enterprise wireless
networkmanagement
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Web-based configuration
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Telnet
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RS-232 Console configuration
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SNMP (MIB I & MIB II) support
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9
Mount the DWL-1750 to an unobstructed wall or mast. Make sure that is is
grounded.
Connect the DWL-1750 to the Inline Power Injector
Connect a Hub, Switch or Router to the Inline Power Injector
Connect a desktop computer to the router. You can use this Ethernet connected
computer to configure and manage the DWL-1750
Network Layout
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10
For more information regarding installation, please see the sections on
Ground-
ing
and
Connections
in this manual, and the
Quick Installation Guide
that came
with your purchase.
Network Layout (continued)
Upon completion of the installation, laptops, with wireless network cards in-
stalled, will be able to connect wirelessly to the DWL-1750 in order to surf the
Internet.

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