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Zone Receiver Serial Data (RS-232) Port:
The HD4xSTPMX can route commands from the RS-232
port to any connect Zones A-H for controlling the attached display
A 3 pin Phoenix connector is provided to connect with a RS-232
serial cable. Prepare your serial cable according to diagram below
The following shows the cable configuration for sending serial
commands from the Matrix to the RX ( display side).
Sending Serial Commands from Matrix unit to RX Unit.
Serial Port cable
( RX side)