Product Specification Sheet APS441

Rev. 07/2013

TU5/S Dual Entrance Audio Switching Adapter

Architects' & Engineers' Specifications
The multi-entrance audio adapter(s) shall be Alpha Communications® / S.T.R.™ model TU5/Sor approved equal. Unit(s) shall provide the control and power circuits needed to switch the audio and door release functions, to one (1) of two (2) calling entrance stations. Unit(s) shall be used in addition to standard TV32/S system amplifier. Low voltage wiring shall be used and positive screw terminals shall be provided for installation wiring. The TU5/S unit(s) shall be installed adjacent to the intercom amplifier.

Contractor shall observe all local and national electrical and building codes.

TU5/S Dual Entrance Audio Switching Adapter
The Alpha Communications®/S.T.R.™ TU5/S dual entrance audio adapters are used with our S.T.R.™ series TV32/S intercom amplifiers only. They provide audio intercom and door release switching for two (2) entrances (maximum).

The TU5/S adapters are used in addition to the system amplifier, and power off of the same transformer. No additional transformer is needed.

You must use one (1) TU5/S switching adapter for two (2) building entrances.

The TU5/S multi-entrance adapters 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.

  • Can be used for two (2) entrances
  • Operates on Safe Low-Voltage Class II Wiring
  • Convenient Plastic 'Din Rail' Mounting Bracket
  • Positive Screw Terminal Connectors
Height: 4.75" (121mm)
Width: 4.25" (108mm)
Depth: 2.375" (61mm) from mounting surface
Construction:  Rugged ABS plastic casing.
Connections: Positive Screw Terminal Connectors.
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.