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INSTALLATION — RS-232 CONTROL
RS-232 Serial Port Control
The distributed audio system provides an RS-232 serial port for connection to and control by automation systems. The DB-9 connector on
the back of the unit supports bi-directional RS-232 communication for third party automation systems. An automation system can control all
keypad and remote control functions for up to 18 zones (3 master controller units), linked together using the included 18 pin expansion cable.
(Baud Rate 9600, 8, N, 1, DB9 Connector Pin out, TX, RX, GND)
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