5/4/3 Wire Apartment Intercom Amplifier

2 Tones, Requires 16VAC Transformer (SS102, SS105B, SS106, T1640 or equal).

Model #: IA543
Spec Sheet Preview: The Alpha Communications® IA543 Power Pack Amplifier is a self-contained unit not requiring an external  amplifier. The IA543 is designed for use with 5, 4 or 3 wire  apartment speaker type stations and provides amplification, control and power circuits needed to operate a  complete apartment intercom system. Voice volume control and tone volume control are easily adjustable through  the screwdriver slot on the front panel. It is also a direct  replacement for the previous model(s) PK543 and PK543A.  Additional functions include multiple entrance …
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Outside Dimensions:
3.75"W x 5.625"H x 1.35"D
(95mm W x 143mm H x 34mm D)

Manuals & Diagrams

System-Specific Information

AlphaStatus™ Room Status and Emergency Call System

See system Installation Manual: AWD108 for more complete wiring information.

OPEN-VOICE (loud-speaking) Type Apartment Intercoms

See system Installation Manual: AWD143 for more complete wiring information.

OPEN-VOICE (loud-speaking) Home/Office Entry Intercoms

For a standard 4-wire system: Apartment riser wiring shall be 3-common #22AWG and 1 selective wire #22AWG, for each station connected to the riser cable. Add 1-#22AWG common wire if 2nd tone signal will be used with optional apartment push-buttons, to signal apartments when visitor is at apartment door.

See system Installation Manual: AWD143 for more complete wiring information.

IA543 Intercom Setup: Step 1 - Preparation

IA543 Intercom Setup: Step 2 - Setting up the IA543

IA543 Intercom Setup: Step 3 - Wiring and Testing

Related Sounds

IA543 Warble

Architects & Engineer's Specs

The intercom amplifier shall be Alpha Communications® model IA543 or approved equal and shall provide amplification, control and power circuits needed to operate the entire intercom system. The amplifier shall feature integrated circuit amplification, integrated circuit call tone oscillator (supporting steady and warble tone modes). User access to the voice volume control and tone volume control shall be provided for field adjustment.

Unit shall also provide for AC, DC or Maglock (12VDC/24VDC) door release with three (3) selectable delayed door timing modes. Steady and warble tone options shall be available to identify a call from the entrance panel and/or call button at suite entrance. Unit shall include power LED and selectable options to provide button hold timeout and Talk interlock (TALK button must be pressed before DOOR button can be activated). A specific function connector shall be provided to facilitate connection to devices that provide multiple entrance panel functionality. 

Low voltage wiring shall be used and plug in type wiring harness, with pigtail connectors, shall be provided for installation wiring.

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

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