External control, Cont.), 7 using the serial communication – JVC DT-V17G1 User Manual
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7 Using 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.
Input
terminal
Cable
Terminal
specification
Communication specifications
RS-485
A straight LAN cable
☞ See below
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
Stop Bits: 1 bit
Flow Control: No control
Communication Code: ASCII Code
RS-232C
A straight cable with a D-sub
9-pin connector (male for the
monitor, female for the personal
computer etc.)
This is a female terminal.
1Starting the communication:
connection command (!00BCN1Cr)
3Selecting “SDI 1” input (!00BINACr)
5Terminating the communication:
termination command (!00BCN0Cr)
6Monitor’s status (@00BOKCr)
4Monitor’s status (@00BOKCr)
2Monitor’s status (@00BOKCr)
PC, etc.
Example of communication procedures
Monitor
External Control
(cont.)
This is a female terminal.
• The 7th terminal and the 8th terminal are connected.
Pin No.
Signal
1
NC
2
RXD
3
TXD
4
NC
5
GND
6
NC
7
RTS
8
CTS
9
NC
Pin No.
IN terminal signal
OUT terminal signal
1
TXD +
TXD +
2
TXD –
TXD –
3
RXD +
RXD +
4
NC
NC
5
NC
NC
6
RXD –
RXD –
7
NC
NC
8
GND
GND
Header
Monitor ID
Command ID
Function
Data
Cr (0DH)
On Header
“!”: Operation commands from the personal computer, etc. (
☞
“?”: 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.
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