Rev. 1 - 01/98
Copyright© 1997-2000, Alpha Communications®, All Rights Reserved
42 Central Drive • Farmingdale NY 11735-1202 • Phone (631) 777-5500 • Fax (631) 777-5599
TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: firstname.lastname@example.org
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
ARCHITECTS' AND ENGINEERS'
The video amplifier shall be Alpha Communica-
tions®/S.T.R.™ model VVR, or approved equal.
Video amplifier shall operate from a 16VAC
(40VA) U.L. Listed transformer (model SS146).
All wiring to power supply shall be low-voltage
Class II wiring, installed as per all federal, state,
and local electrical codes.
Video amplifier shall surface mount right to the
finished wall and shall be installed in a suitable
environment that is free from excessive dirt, dust,
temperature, humidity, grease and water. For most
secure installation, video amplifier may be in-
stalled into a lockable equipment cabinet/housing.
Contractor shall observe all local and national
VVR Video Amplifier
The Alpha Communications®/S.T.R.™ VVR video am-
plifiers are used with the S.T.R.™ video-intercom sys-
tems, to provide video amplification for long coaxial wire
runs, or where there is a weak video signal.
The VVR units each require a 16VAC (40VA) low-
voltage Class II (model #SS146) transformer for power.
Use one (1) plug-in transformer for each VVR.
These VVR video amplifiers are designed to easily sur-
face mount right onto the finished wall by means of
customer supplied screws or the convenient plastic 'Din
Rail' bracket supplied with each power supply. Connec-
tions are positive screw terminal type.
Easily Installs Right on Finished Wall Surface or in Cus-
tomer Supplied Housing
• Operates on Safe Low-Voltage Class II Wiring
• Convenient Positive Screw Terminal Connections and
positive coaxial cable clamps