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Apt. Intercom Stations (Open-Voice Type)

Stainless Steel 4-Wire Apt. Station. Flush mounts over existing oversized flush back-boxes. Features large metal push-buttons & positive screw terminals. Supplied less mtg. screws.

The Alpha Communications® IS481C (V.I.P. series) apartment intercom stations are designed specifically to minimize vandalism and tenant abuse. Made from .035" thick solid stainless steel, with oversized metal push-buttons, these stations are built to last. A high sensitivity 3.0" (76mm) speaker assures clear voice communication, as well as tone signal response. The IS481C is designed to be mounted flush, over existing Loeffler (or equivalent) series over-sized flush back boxes. Positive screw terminals makes these stations easy to wire. The advanced electronic design permits use in any size building. A wide variety of optional accessories is available to provide additional functions such as multi-entrance operation, post office door release, silent or delayed door release, etc. Stations are also available in custom sizes and wiring configurations.


IS481C Apt. Station

IS481C
FEATURES
  • Simple push button operation
  • Made of Rugged Stainless Steel with Oversized Metal Pushbuttons
  • Tamper and Vandal-Resistant
  • Easy installation
  • Automatic privacy
  • Clear voice quality using high quality 3.0" voice (and tone) speaker
  • Simple to operate and Reliable

    SPECIFICATIONS
    Dimensions:Height: 9.00" (229mm)
     Width: 7.00" (178mm)
     Depth: 1.50" (38mm) (When Flush Mounted)
     Projects: 0.50" (13mm) from mounting surface
    Construction: Solid .035" thick stainless steel faceplate.
    Controls: Individually replaceable solid metal push-buttons wih self-wiping plated contacts. Identified for TALK, LISTEN and DOOR functions.
    Speaker/Mic: 3.00" (76mm) with voice response. Also used for electronic tone signal.
    Mounting: Flush. Mounting holes provided at extra cost. Supplied less mounting screws.

    ARCHITECTS' AND ENGINEERS' SPECIFICATIONS
    The apartment station shall be Alpha Communications® (V.I.P. series) model IS481C or approved equal. Station faceplate shall be minimum .035" solid stainless steel. Momentary action, oversized metal push-buttons shall be provided for TALK, LISTEN and DOOR functions. Button markings shall be imprinted right on the faceplate. The speaker/microphone shall be a 3.00" (76mm) high- sensitivity type with excellent voice-frequency and tone signaling response. Positive screw terminals shall be provided for wiring terminations.

    REQUIRED COMPONENTS:
    PK543 Amplifier (1 per system)
    DO-001 (or equivalent) Door Release
    SS102A or SS105B 16VAC Transformer (for PK543)
    Lobby Entry Panel (1 per building entry)
    S1 Screwdriver (if required for lobby panel)

    OPTIONAL COMPONENTS:
    PK502B Multi-Entrance Relay Adaptor (use 1 for each additional entry panel after 1st panel with a maximum of 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 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. See wiring diagram no. IL487 for more complete wiring information.


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