Rev. 3 - 02/07
Copyright© 1998-2007, 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: email@example.com
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
ARCHITECTS' AND ENGINEERS'
The power supply/amplifier shall be Alpha Communi-
cations®/S.T.R.™ model VCU6, or approved equal.
Amplifier shall operate from a 16VAC (40VA) and
12VAC (20VA) U.L. Listed transformer (SS146 and
T1240 respectively). All wiring to power supply/
amplifier shall be low-voltage Class II wiring, installed
as per all federal, state, and local electrical codes.
Power supply/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. Power sup-
ply/amplifier shall provide the intercom amplification
and signaling power for proper system operation. For
most secure installation, power supply should be
installed into a lockable equipment cabinet/housing.
Power supply/amplifier shall be installed a safe dis-
tance from any source of electrical interference.
VCU6 (rev. 2)
VCU6 Amplifier/Power Supply
The Alpha Communications®/S.T.R.™ VCU6 amplifier/power sup-
plies are used with the S.T.R.™ video-intercom systems, to provide
intercom amplification, power to operate the electric door opener(s)
etc., and power to operate the video monitor units.
The VCU6 units each require a 16VAC (40VA) and 12VAC (20VA)
low-voltage Class II transformer for power. Use our model #SS146
(16VAC) plug-in transformer and our model #T1240 (12VAC) plug-in
transformer for each VCU6.
These VCU6 amplifier/power supplies are designed to easily surface
mount right onto the finished wall by means of customer supplied
screws or the conven