Rev. 2 - 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 VCUR, or approved equal.
The power supply/amplifier shall provide sufficient
power for up to 3 video-intercom monitor units.
Amplifier shall operate from a model SS146 16VAC
(40VA) U.L. Listed transformer. 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
supply/amplifier shall provide the intercom amplifica-
tion 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.
VCUR Amplifier/Power Supply
The Alpha Communications®/S.T.R.™ VCUR amplifier/power
supplies 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 VCUR units each require a 16VAC (40VA) and 12VAC (20VA)
low-voltage Class II transformer for power. Use our model #SS146
(16VAC) plug-in transformer for each VCUR.
These VCUR amplifier/power supplies are designed to easily surface
mount right onto the finished wall by means of customer supplied
screws or the conv