Using The Serial Connector.38 - Panasonic PT-L701 XU Operating Instructions Manual

Using the SERIAL connector
The serial connector which is on the side connector panel of the projector
conforms to the RS-232C interface specification, so that the projector can be
controlled by a personal computer which is connected to this connector.
Connection
Computer
SERIAL(female)
° (o o o o o') °
I
D-Sub9p (mate)
Communication cable
NOTE:
• Use a proper communication
cable which is suitable for the
personal computer to connect the
serial connector and the personal
computer.
Pin layout and signal
names for SERIAL
connector
D-SUB 9-pin connector seen from
outside
Pin
No.
Signal
name
Contents
(D NC
mm
TXD Transmitted data
RXD Received data
©
Connected internally
mm
GND
NC
Connected internally
RTS
NC
Communications settings
Signal level RS-232C
Sync, method Asynchronous
Baud rate 9600 bps
Parity None
Character length 8 bits
Stop bit 1 bit
X parameter None
S parameter None
Basic format
The data sent from the computer to
the projector is transmitted in the
fromat shown below.
STX Command : Parameter ETX
Start byte
(02h) 3 bv
1 byte
rtes 1 byte-5
End byte
> bytes (03h)
NOTE:
• If sending multiple commands,
check that a response has been
received from the projector for
one command before sending the
next command.
• When a command which does
not require parameters is sent,
the colon (:) is not required.
• If an incorrect command is sent
from the personal computer, the
"ER401" command will be sent
from the projector to the personal
computer.
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