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Instruction Manual X414-10
Introduction
The information in this manual covers the installation of the V235GLTA-1 Ground Loop Transformer. This unit
should be installed by a qualified technician using approved materials in accordance with national, state and local
codes. Read these instructions through completely before attempting installation.
The V235GLTA-1 prevents video-signal distortion caused by video ground loops. It differentially nullifies the AC
current that can occur in the video cable shield as a result of differing voltage potentials at each end of the shield.
The V235GLTA-1 has been specially designed for coaxial cable control systems such as Vicoax™. The passive
nature of the V235GLTA-1 does not affect the two-way communication (control/video) of such systems.
Installation
The V235GLTA-1 should be installed where runs of video cable are known to have ground loops. See Figure 1
for a typical system interconnection.
Warning: To avoid electrical shock, do not handle grounded objects and the ends of video cables
simultaneously.
Install the V235GLTA-1 as follows:
1. Place the V235GLTA-1 between the camera output and the first video component, such as a switcher,
coaxial cable control transmitter or monitor.
2. Connect the camera or receiver output to the BNC connector marked INPUT on the V235GLTA-1.
Note: Signals are attenuated by approximately 30% (3 dB) by the V235GLTA-1.
3. Attach another cable between the BNC connector labeled OUTPUT on the unit and the first active video
component in the system.
4. There are two holes (one on each tab) on the base of the unit can be used to mount the unit. Use screws
appropriate for the mounting surface to secure the unit.
WARNING: TO PREVENT RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE.
Copyright © 2010 Vicon Industries Inc. All rights reserved.
Vicon and its logo are registered trademarks of Vicon Industries Inc. Vicoax is a trademark of Vicon Industries Inc.
Product specifications subject to change without notice.
VICON INDUSTRIES INC., 89 ARKAY DRIVE, HAUPPAUGE, NEW YORK 11788
TEL: 631-952-CCTV (2288) FAX: 631-951-CCTV (2288) TOLL FREE: 800-645-9116
Part No. 8006-8414-10-00 Rev 710
Figure 1
Interconnection Diagram
24-Hour Technical Support: 800-34-VICON (800-348-4266)
UK: +44/(0) 1489-566300
WEB: www.vicon-cctv.com
0BInstruction Manual X414-10 • 1
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Summary of Contents for Vicon V235GLTA-1
- Page 1 V235GLTA-1 does not affect the two-way communication (control/video) of such systems. Installation The V235GLTA-1 should be installed where runs of video cable are known to have ground loops. See Figure 1 for a typical system interconnection. Warning: To avoid electrical shock, do not handle grounded objects and the ends of video cables simultaneously.
- Page 2 Coaxial Cable Recommendations Caution: Careful selection of proper cable is essential to obtain the best performance from this equipment. Vicon assumes no responsibility for poor performance when cables other than those recommended, or equivalent, are installed. In all cases, coaxial cable impedance should be 75 ohms.
- Page 3 Shipping Instructions Use the following procedure when returning a unit to the factory: 1. Call or write Vicon for a Return Authorization (R.A.) at one of the locations listed below. Record the name of the Vicon employee who issued the R.A.
- Page 4 Vicon Industries Inc. Corporate Headquarters 89 Arkay Drive Hauppauge, New York 11788 631-952-CCTV (2288) 800-645-9116 Fax: 631-951-CCTV (2288) Vicon Europe Headquarters Brunel Way Fareham, PO15 5TX United Kingdom +44 (0) 1489 566300 Fax: +44 (0) 1489 566322 Germany vin-videotronic infosystems gmbh...
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