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IA543
Intercom Amplifier
Installation & Configuration Manual
The Alpha Communications® IA543 Intercom Amplifier is designed to allow two-way communications between
an open voice lobby panel and multiple apartments. Additional equipment will allow communications with
multiple entrance panels. Entrance panels will signal up to an apartment by pressing the corresponding call
button, and the resident can answer using
and
buttons. A
button provided on the
TALK
LISTEN
DOOR
apartment station can be configured to operate an electric door strike or magnetic lock to allow visitor entry.
The IA543 is compatible with additional equipment to provide specialized applications and features such as
hearing impaired strobe lights, multiple sequenced door operations, integration into access control systems,
and Postal locks.
INSTALLATION PROCEDURE
Read this manual to insure proper wiring, component placement, and installation methods.
WIRING REQUIREMENTS
Depending on the facility layout and number of apartments, inside stations may be connected by risers
comprised of common wires with selective wires from each inside location, or connected in a home run
method from each inside location. Apartment stations can be of the 3, 4, or 5 wire varieties and can be used in
combination if necessary.
Please note: Terminal identifications in this manual may not be shown in the actual order that
they appear on the equipment.
Alpha Communications® 42 Central Drive Farmingdale, NY 11735-1202
Toll Free: 1-800-666-4800 Phone: 631-777-5500 Fax: 631-777-5599
Website:
www.AlphaCommunications.com
Email: info@alphacommunications.com
AWD143 Rev. 3 (01/2018)
Copyright© 2010-2017AWD142 Alpha Communications® All Rights Reserved.
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Summary of Contents for Alpha IA543
- Page 1 The IA543 is compatible with additional equipment to provide specialized applications and features such as hearing impaired strobe lights, multiple sequenced door operations, integration into access control systems, and Postal locks.
- Page 2 DOOR RELEASE The IA543 easily allows several door release configurations. Always use a minimum of #18AWG 2 conductor wire up to a maximum distance of 50 ft. (15 meters). In cases where this distance must be exceeded, use a heavier gauge wire to reduce voltage drop.
- Page 3 DOOR RELEASE DIAGRAMS Set jumpers as shown in the chart below. This supplies 16VAC to the door strike through the K & D terminals when the inside station DOOR Button is pressed. The length of activation time is determined by the dipswitch settings (approx. 2, 10, or 25 seconds). 16VAC DOOR STRIKE...
- Page 4 B terminal (Normally Closed) would go to the A terminal (Normally Open) instead. This way power from the IA543 would close the connection to apply power to the door strike and release the door.
- Page 5 Dipswitch Functions Dipswitches #1 & #2 set the length of door release time for approx. 2, 10, or 25 seconds (See chart above). Dipswitch #3 will provide a tone at the entrance panel when the call button is pressed. (you must use ZW as your tone wire to the entry panel). Dipswitches #4 &...
- Page 6 MAIN SYSTEM DIAGRAM The IA543 amplifier has two serviceable adjustments for Voice Volume and Tone Volume located through two access holes on the front cover. Use a small screwdriver and do not use excessive force. Carefully turn clockwise to increase the volume. High volume setting may result in feedback oscillation.
- Page 8 Can be used to indicate room status, emergency call, or patient/staff location. Stand‐Alone Alpha Communications® Emergency Call Kits offers a full range of Emergency Call and UL 1069 EK117 Light only Kit Nurse Call systems from EK117B Light w/Buzzer Kit Perfect for public or private small clinic to large hospital bathroom emergency, home invalid medical emergency, and many other applications. Call us to help applications. you design your system. Low Voltage, Low cost solution. Alpha Communications® 42 Central Drive Farmingdale, NY 11735-1202 Toll Free: 1-800-666-4800 Phone: 631-777-5500 Fax: 631-777-5599 Website: www.AlphaCommunications.com Email: info@alphacommunications.com...
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