Sharp PG-LX3500 User Manual
23
Connections
Controlling the Projector by a Computer
When the RS-232C terminal on the projector is connected to a computer with an RS-232C serial
control cable (cross type, commercially available), the computer can be used to control the
projector and check the status of the projector. Refer to the “SETUP MANUAL” contained on the
supplied CD-ROM for “RS-232C Specifications and Commands”.
When connecting to a computer using an RS-232C serial control cable
RS232C serial control cable
(cross type, commercially available)
Computer
To RS232C
terminal
To RS232C
terminal
• The RS232C function may not operate if your computer terminal is not correctly set up. Refer to the
operation manual of the computer for details.
Note
Info
• Do not connect the RS232C cable to a port other than the RS232C terminal on the computer. This
may damage your computer or projector.
• Do not connect or disconnect an RS232C serial control cable to or from the computer while it is on.
This may damage your computer.
RS-232C Terminal: D-sub 9 pin male connector
Pin No.
Signal Name
I/O
Reference
1.
2.
3.
4.
5.
6.
7.
8.
9.
RD
SD
SG
RS
CS
Receive Data
Send Data
Signal Ground
Request to Send
Clear to Send
Input
Output
Not connected
Connected to internal circuit
Connected to internal circuit
Not connected
Connected to internal circuit
Not connected
Connected to CS in internal circuit
Connected to RS in internal circuit
Not connected
RS-232C Cable recommended connection: D-sub 9 pin female connector
Pin No.
Signal
Pin No.
Signal
1.
2.
3.
4.
5.
6.
7.
8.
9.
CD
RD
SD
ER
SG
DR
RS
CS
CI
1.
2.
3.
4.
5.
6.
7.
8.
9.
CD
RD
SD
ER
SG
DR
RS
CS
CI
• Depending on the controlling device used, it may be necessary to
connect Pin 4 and Pin 6 on the controlling device (e.g. computer).
Note
Projector
Pin No.
Computer
Pin No.
4
5
6
4
5
6
1
5
6
9
5
1
9
6