Spec Sheet Preview: The Alpha Communications® IS543 is a universal apartment intercom station which combines modern styling with ease of operation to provide natural, clear voice communication and positive door release operation. The white, high-impact, ABS plastic faceplate blends with any decor. The advanced circuitry and versatility permits use in large or small buildings, with one or several entrances.
The patented* design of this station allows for connection to popular 5-wire, 4-wire or 3-wire intercom system configurations, with a single model sta … View Spec. Sheet
NOTE: This 'Universal' Apt. Station can replace any of the following 5-wire, 4-wire, or 3-wire stations: IR103 series, IR104 series, IR105 series, IR203 series, IR204 series and IR205 series. When used with the AP543 adapter plate it can also replace the IR081 series or IR087 series oversized stations as well. It can also be used with the AP001 or AP777 adapter plate(s).
NOTE: These stations ship in a factory default mode as a '4-wire' type station (slide switches set to A & C), to make these a '5-wire type' set the slide switches to A & D, and to make these a '3-wire' type set the slide switches to B & D.
Inside Dimensions: 4.00"W X 5.63"H X 1.75"D (102mm W x 143mm H x 44mm D)
Outside Dimensions: 5.00"W X 7.00"H X 1.00"D (127mm W x 178mm H x 25mm D)
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 pushbuttons, to signal apartments when visitor is at apartment door.
Universal' apartment stations shall be Alpha Communications® model IS543 or approved equal, equipped with momentary action push-buttons for TALK, LISTEN, and DOOR operation. Each push-button shall have both English and Universal Graphic Symbol imprinting, as well as Braille lettering. The mylar cone speaker/microphone shall be a 2.5" high sensitivity type with voice-frequency response. Screw terminal connections shall be provided for positive wiring termination, and the patented* design shall allow for connection to popular 5-wire, 4-wire or 3-wire intercom system configurations. The station shall be molded of high-impact, flame retardant ABS plastic, in a white finish.
The IS543 shall be supplied with 2 vertical and 2 horizontal mounting holes, to allow surface mounting over a single-gang electrical box or mounting ring, or over the popular IH101 and/or IH102 flush housing(s). Four (4) mounting hole plugs shall be provided for covering the four (4) mounting holes and two (2) mounting screws (provided).
Contractor shall observe all local and national electrical and building codes.