Ω
OMEGA
Communications Interface Cabinet
Antenna Installation Manual
0049-0706-004
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The products and programs described in this User’s Guide are licensed products of Telenetics
Corporation. This User’s Guide contains proprietary information protected by copyright, and
this User’s Guide and all accompanying hardware and documentation are copyrighted.
Telenetics Corporation does not warrant that the hardware will work properly in all
environments and applications, and makes no warranty and representation, either implied or
expressed, with respect to the quality, performance, merchantability, or fitness for a particular
purpose.
Information in this User’s Guide is subject to change without notice and does not represent a
commitment on the part of Telenetics Corporation. Telenetics Corporation assumes no
responsibility for any inaccuracies that may be contained in this User’s Guide.
Telenetics Corporation makes no commitment to update or keep current the information in
this User’s Guide, and reserves the right to make changes to this User’s Guide and/or product
without notice.
No part of this manual may be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying, recording, or information storage and
retrieval systems, for any purpose other than the purchaser's personal use, without the express
written permission of Telenetics Corporation.
Copyright 2000 Telenetics Corporation.
25111 Arctic Ocean
Lake Forest, California 92630
Tel: (949) 455-4000
Fax: (949) 455-4010
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Preface
This Guide describes how to install the elevated-feed and Yagi antennas for use with the
Telenetics OMEGA Communications Interface Cabinet.
! For information about elevated-feed antenna, see Chapter 1.
! For information about the Yagi antenna, see Chapter 2.
Safety Precautions
Please observe the following precautions when installing the antenna:
! The antennas are electrical conductors. Contact with power lines can result in death, or
serious injuries. Therefore, do not install the antenna where there is any possibility of
contact with power cables or service drop to buildings, or during electrical storms. In
addition, never place the antenna close to power lines or utility wires.
! The antenna supporting mast and/or tower should not be close to any power lines during
installation or removal.
! Follow the guidelines for antenna installation recommended by the U.S. consumer product
safety commission.
! Install the antenna so it is at least 6 feet away from adults, children, and animals to prevent
exposure to high levels of electromagnetic field radiation.
! Never operate the antenna near RF-sensitive medical devices such as pacemakers.
! Keep the feedline of the antenna away from utility lines.
! Mount the antenna high enough so that it is out of reach of adults and children. The end of
the elements can cause eye injuries and serious RF burns.
! Be sure the mast and rotator are strong enough to support the antenna's weight and wind
load of approximately 2 square feet.
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Grounding Considerations
Although the antennas are designed to operate efficiently without the requirement of an earth
ground, safety grounding must still be provided to protect equipment, property and persons
from the hazards of lightning strikes and other weather related electrical discharges.
An effective method of protecting station equipment is to install an in-line coaxial lightning
arrestor with a heavy duty ground wire to a suitable earth ground, or a safety switching system
as part of the basic ham station equipment.
Technical Assistance
If you have any problem with this antenna, you can call Telenetics between 8:00 am and 5:00
pm Pacific Time at (949) 455-4000 Monday through Friday. We recommend that you have
your antenna handy, so you can answer any questions the technicians may ask.
You can also send questions by mail or fax:
Mailing Address:
Telenetics Corporation
25111 Arctic Ocean
Lake Forest, California 92630
Fax: (949) 455-4010
Include a complete description of your problem, an explanation of how you are using your
antenna, and a complete description of your OMEGA application.
latest information about our state-of-the-art communication solutions.
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Chapter 1
Elevated-Feed Antenna
The OMEGA elevated-feed antenna is a very compact yet high-performance omni-directional
antenna. It is ideally suited for applications where high gain and wide coverage is desired.
Parts List
As you unpack your antenna you should find the following items:
! One elevated feed antenna
! One bag containing the following mounting hardware
− A cable with a round, gold antenna mount at one end
− Two “L” brackets and six screws for wall-mounting
the antenna
− Two fasteners for pole-mounting the antenna
! This manual
If any of these items are missing or damaged, please contact Telenetics immediately.
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Choosing a Location
For best performance, mount the antenna as high as possible, in a clear location above or away
from buildings, feed lines, utility wires, and other antennas. Your expertise and particular
circumstances will determine the final mounting method.
Assembling the Antenna
Use the following procedure to assemble the elevated-feed antenna:
1. Wall installations: Secure either of the supplied “L” brackets to the wall.
Pole installations: Install the either of the supplied fasteners onto a pole.
2. Mount and screw the antenna onto the round, gold antenna mount.
3. To prevent moisture from entering the OMEGA, route the antenna cable through the
conduit hole at the bottom of the OMEGA.
4. Open the OMEGA enclosure and connect the antenna cable to the OMEGA transceiver.
Figure 1 shows a completed elevated-feed antenna assembly mounted on a wall.
Figure 1. Completed Elevated-Feed Antenna Assembly
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Chapter 2
Yagi Antenna
The OMEGA Yagi antenna is a National Bureau of Standards (NBS)-style antenna that
provides optimum gain and front-to-back ratio. These capabilities make it ideal for use with
your OMEGA Communications Interface Cabinet.
Parts List
Your Yagi antenna parts and hardware are stainless steel, aluminum, or non-corrosive
material. As you unpack your antenna you should find the following items:
! One Yagi antenna and mast
! One cable for connecting the antenna to the OMEGA
! One bag containing the following mounting hardware:
− One brass clamp
− One “L” bracket
− Two flat washers
− Two lock washers
− Two nuts
! This manual
If any of these items are missing or damaged, please contact Telenetics immediately.
Choosing a Location
The Yagi antenna can only be mounted so the antenna is oriented horizontally with the
elements oriented vertically. For best performance, mount the antenna as high as possible, in a
clear location above or away from buildings, feed lines, utility wires, and other antennas. Your
expertise and particular circumstances will determine the final mounting method.
The antenna is directional. Therefore orient the antenna so the radio signal is pointed toward
the source with which you want to communicate.
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Installing the Antenna
Use the following procedure to assemble the Yagi antenna:
1. Mount the mast onto a wall using the supplied bracket and screws.
2. Mount the brass clamp, as shown in Figure 2.
Figure 2. Mounting the Brass Clamp
3. Align the antenna with the brass clamp.
4. Use the two supplied flat washers, lock washers, and screws to secure the antenna to the
brass connector, as shown in Figure 3.
Figure 3. Completed Antenna Assembly
5. To prevent moisture from entering the OMEGA, route the antenna cable through the
conduit hole at the bottom of the OMEGA.
6. Open the OMEGA enclosure and connect the antenna cable to the OMEGA transceiver.
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Figure 4 shows a completed installation.
Figure 4. Wall-Mounted Yagi Antenna
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