Rs- 232c external control, Rs-232c external control, Pin assignment (specifications for terminals) – JVC DLA-G150CLE User Manual
Page 78
DLA-G150CLU
DLA-G150CLE
1-78
No.51931
74
RS-232C external control
By connecting a computer to the RS-232C terminal, you can control the projector. Use a reverse connection cable as the RS-
232C connection cable.
The commands to control the projector and the response data against the received commands are explained here.
For further information, please consult the dealer where you purchased your projector or consult the Service Center.
1. Communication Specifications
The communication specifications are as follows:
* Factory set value. To change the value, refer to “Setting and Adjusting Other Functions (OPTIONS)” on page 54.
2. Command Format
2-1. Command data format (from the computer to the projector)
When sending a control command, use the following data format.
Header: Designates the head of data and the kind of data.
“!” (21h): Control command to the projector
“?” (3Fh): Query to the projector (Asking command)
ID:
“1” (fixed)
SP:
Designates the delimiter for ID, Command, and Parameter. (20h)
CR:
Designates the terminal of the data. (0Dh)
* [ ] is not necessary when Asking command.
2-2. Response data format (from the projector to the computer)
Upon executing the received control command, the projector sends back the following response data to the computer.
Header: Designates the head of data.
“@” (40h): Fetches data from the projector.
ID:
“1” (fixed)
SP:
Designates the delimiter for ID, Command, and Parameter (20h)
Normal Termination Status: “0” (30h)
CR:
Designates the terminal of the data (0Dh)
Baud rate
9600bps / 19200bps*
Data length
8 bits
Parity
None
Stop bit
1 bit
Flow control
None
Header
ID
SP
Command
SP
Parameter
CR
Header
ID
SP
Normal Termination Status
SP
Parameter
CR
73
Specifications
ENGLISH
DEUTSH
FRAN
ÇAIS
ITALIANO
ESPAÑOL
Pin assignment (Specifications for terminals)
■
Y/C terminal
■
RS-232C terminal
■
PC1 terminal/PC OUT terminal
■
DVI terminal
1
2
3
4
Pin number
Signal name
1
GND (Y)
2
GND (C)
3
Y
4
C
2
3
4
5
6
7
1
8
9
Pin number
Signal name
Pin number
Signal name
1
N/C
6
N/C
2
RD
7
N/C
3
TD
8
N/C
4
N/C
9
N/C
5
GND
1 2
3 4 5
6
7
8
9 10
11
12 13 14
15
Pin number
Signal name
Pin number
Signal name
1
Red
9
N/C
2
Green10
GND (SYNC)
3
Blue
11
GND
4
N/C
12
N/C
5
N/C
13
H.SYNC
6
GND (Red)
14
V.SYNC
7
GND (Green)
15
N/C
8
GND (Blue)
1 2 3 4 5 6 7 8
17
9
11 13 15
10 12 14 16
18
19
20
21
22
23
24
Pin
number
Signal name
Pin
number
Signal name
Pin
number
Signal name
1
T.M.D.S.Data2-
9
T.M.D.S.Data1-
17
T.M.D.S.Data0-
2
T.M.D.S.Data2+
10
T.M.D.S.Data1+
18
T.M.D.S.Data0+
3
T.M.D.S.Data2
Shield
11
T.M.D.S.Data1
Shield
19
T.M.D.S.Data0
Shield
4
No Connect
12
No Connect
20
No Connect
5
No Connect
13
No Connect
21
No Connect
6
DDC Clock
14
+5V Power
22
T.M.D.S. Clock
Shield
7
DDC Data
15
Ground (for +5 V) 23
T.M.D.S. Clock +
8
No Connect
16
Hot Plug Detect
24
T.M.D.S. Clock -