Amplifier - VCU6
Amplifiers/Power Supplies/Accessories The VCU6 amplifier/power supply is used with the S.T.R. video-intercom systems, for powering up to 30 (or less) video-intercom monitor/handset stations.
The Alpha Communications /S.T.R. VCU6 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 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 #T12 (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 convenient plastic \’Din Rail\’ bracket supplied with each power supply. Connections are positive screw terminal type. The VCU6 is used for each 30 (or less) video-intercom monitor/handset stations on a system.

Easily Installs Right on Finished Wall Surface or in Customer Supplied HousingOperates on Safe Low-Voltage Class II Wiring Clear Voice Fidelity with Adjustable Voice Volume ControlConvenient Screw Terminal ConnectionsProvides all Power Requirements for up to 30 Video-intercom Monitors

Dimensions: Height: 2.375″ (60mm)
Width: 4.25″ (108mm)
Depth: 4.75″ (120mm) from mounting surface
Volume Control: Adjustable potentiometer built-in.
Connections: Screw Terminal Connectors.

Architects’ and Engineers’ Specifications

The power supply/amplifier shall be Alpha Communications /S.T.R.
model VCU6, or approved equal. Amplifier shall operate from a 16VAC (40VA)
and 12VAC (20VA) U.L. Listed transformer (SS146 and T12). 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 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 distance from any source of electrical interference.
Optional Components

DO-001 (or equivalent) 16VAC Door Release.
DPS-2 Multi Entrance Video Adaptor. Used when switching video signals
between (2) or more entrance station cameras. Used in addition to
system amplifier. Use one (1) for (2) entrances, use one (1) for (2)
entrances, use two (2) for (3-4) entrances, use three (3) for (5-6)
entrances and use four (4) for (7-8) entrances. No additional transformer
is needed. Each DPS-2 requires 1- TU1007A audio adaptor.
TU1007A Multi Entrance Audio Adaptor. Used when switching audio (intercom)
and door release between two (2) or more entrance stations. Used in
addition to system amplifier. Use one (1) for (2) entrances, use two (2)
for (3-4) entrances, use three (3) for (5-6) entrances and use four (4) for
(7-8) entrances. No additional transformer needed.
PK407A Specialty Relay Adaptor. Used when connecting a door opener other
than a 16VAC type to system. One (1) required for each building entry door opener.

Wiring Requirements

Apartment riser wiring shall be 4-common #22AWG, 2-common #18AWG, 1-RG59/U (all
copper-minimum 95% braid) coaxial cable common and 1 selective wire #22AWG, for
each video monitor station connected to the riser cable. Add one (or more) additional
common wires if the ‘Red Dot’ button on the handset will be used (or any additional buttons
such as those on the HT2006 series handsets).

Amplifier – VCU6
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