Appendix; Rs232 - ViewSonic PRO9500 VS13835 User Manual

RS-232C Communication

Appendix

RS-232C Communication
When the projector connects to the computer by RS-232C communication, the
projector can be controlled with RS-232C commands from the computer.
For details of RS-232C commands, refer to RS-232C Communication / Network
command table.
Connection
Turn off the projector and the computer.
1.
Connect the projector's CONTROL port and the computer's RS-232C port
2.
with a RS-232C cable (cross). Use the cable that fulfills the specification
shown in figure
Turn the computer on, and after the computer has started up turn the projector
3.
on.
Set the COMMUNICATION TYPE to OFF. (OPTION menu - SERVICE -
4.
COMMUNICATION in the Operating Guide)
ViewSonic
RS-232C
RS-232C Cable
RS-232C port
of the computer
1 2 3 5
4
6 7 8 9
CD (1)
RD(2)
TD (3)
DTR (4)
GND (5)
DSR (6)
RTS (7)
DTS (8)
RI (9)
CONTROL
(cross)
CONTROL port
of the projector
1 2 3
6 7 8
(1) －
(2) RD
(3) TD
(4) －
(5) GND
(6) －
(7) RTS
(8) CTS
(9) －
196
4 5
9
Pro9500