How to use external control, Cont.) – JVC GM-H40L1G User Manual
Page 32
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How to Use External Control
(cont.)
7 Using the serial communication
You can control the monitor from a personal computer or a dedicated controller via the RS-485 or RS-232C terminal. For
details on operating the monitor from the personal computer or the dedicated controller, consult your dealer.
Input terminal
Cable
Specifi cation
Communications specifi cations
RS-485
Prepare a straight cable with
a RJ-45 connector.
See the table
below.
Baud Rate: 4800/9600/19200 (factory pre-set; 4800)
Data Bits:
8 bits
Parity:
No parity
Stop Bits:
1 bit
Communication Cord: ASCII Cord
RS-232C
Prepare a straight cable with
a RS-232C connector.
<RS-485 terminal>
This is a female terminal.
Pin No.
IN terminal signal
OUT terminal signal
1
TXD +
TXD +
2
TXD –
TXD –
3
RXD +
RXD +
4
NC
NC
5
NC
IR. OUT
6
RXD –
RXD –
7
5 V power*
NC
8
GND
GND
* The 5V power supply of the 7th terminal is for the controller
exclusively for this monitor. Do not use it for other devices.
1 2 3 4 5 6 7 8
<RS-232C terminal>
Pin No.
Signal
1
—
2
RD (Receive Data)
3
TD (Transmit Data)
4
—
5
GND (Ground)
6
—
7
—
8
—
9
—
This is a female terminal.
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