Hitachi CP-X3020 User's Manual And Operating Manual page 85

RS-232C Communication
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 command
10).
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 ful lls the speci cation
shown in  gure.
Turn the computer on, and after the computer has started up turn the projector
3.
on.
8
RS-232C
RS-232C Cable
RS-232C port
of the computer
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
9 8 7
5 4 3 2 1
(1)
(2) RD
(3) TD
(4)
(5) GND
(6)
(7) RTS
(8) CTS
(9)
6