JVC DT-V17G1 specifications External Control cont, Using the serial communication

External Control (cont.)

7Using the serial communication

You can control the monitor from a personal computer etc. via the RS-485 or RS-232C terminal.

• Consult your dealer for the details of the external control specification.

<Communication specifications>

Input	Cable	Terminal	Communication specifications
terminal		specification
RS-485	A straight LAN cable		Baud Rate: 4800 bps
RS-232C	A straight cable with a D-sub
			Data Bits: 8 bits
	9-pin connector (male for the	☞ See below	Parity: No parity
	monitor, female for the personal		Stop Bits: 1 bit
	computer etc.)		Flow Control: No control
			Communication Code: ASCII Code

<Specifications of the RS-485 terminal>
	Pin No.	IN terminal signal	OUT terminal signal
	1	TXD +	TXD +
	2	TXD –	TXD –
	3	RXD +	RXD +
This is a female terminal.	4	NC	NC
	5	NC	NC
	6	RXD –	RXD –
	7	NC	NC
	8	GND	GND

<Specifications of the RS-232C terminal>

	Pin No.	Signal
	1	NC
	2	RXD
	3	TXD
	4	NC
This is a female terminal.	5	GND
	6	NC
	7	RTS
	8	CTS
	9	NC

22

<Command outline>

All commands consist of the following segments.

Header Monitor ID Command ID Function Data Cr (0DH)

On Header

“!”: Operation commands from the personal computer, etc. (☞ <Basic command list> on page 23)

“?”: Reference commands from the personal computer, etc.

“@”: Status returns from the monitor

•To start communication, send the connection command from the personal computer etc.

•To terminate the communication, send the termination command from the personal computer etc.

Example of communication procedures

1Starting the communication:

connection command (!00BCN1Cr)

Monitor

	2Monitor’s status (@00BOKCr)
	3Selecting “SDI 1” input (!00BINACr)
PC, etc.	4Monitor’s status (@00BOKCr)
	5Terminating the communication:
	termination command (!00BCN0Cr)
	6Monitor’s status (@00BOKCr)

• The 7th terminal and the 8th terminal are connected.