Rs-232C Communication - IDK MSD-701AMP User Manual

MSD-701AMP User Guide

7.4.1 RS-232C communication

The RS-232C connector, HDBaseT input connector, and HDBaseT output connector can communicate with
control devices (communication commands) and external devices (control commands) over RS-232C
communication. You can select TRANCEIVER mode or TRANSMITTER mode for each connector in
"9.14.2 RS-232C operation mode".
・ 9.14.1 RS-232C communication
・ 9.14.2 RS-232C operation mode
Communication
command to MSD
RS-232C cable
Laptop
Outputs control
command to external
Power amp.
device
■ Connecting RS-232C cable
The MSD's RS-232C connection is supported by a 3-pin captive screw connector.
Insert and secure the wires from the RS-232C cable into the supplied 3-pin captive screw connector, and then
insert the captive screw connector into the mating connector on the MSD.
28 AWG to 16 AWG conductor gauge is recommended.
The recommended wire strip length is 0.28 in. (7 mm).
Short RTS/CTS and DTR/DSR as needed.
[Fig. 7.10] Connecting RS-232C cable to 3-pin captive screw connector
30
[Fig. 7.9] Example of RS-232C communication
Control device
Signal name
(Transmit Data)
TxD
(Receive Data)
RxD
(Ground)
GND
HDBaseT receiver
Category cable
Outputs control command to external device
Up to 0.28" (7mm)
【See: 8.3.1 Selecting menu】
RS-232C cable
Projector
Tx
Rx
GND
MSD
Tx
Rx
GND