Using The Serial Connector - Panasonic PT-L780NTE 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
SERIAL(female)
D-Sub9p (male)
Communication cable
NOTE:
B 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
6
1
D-SUB 9-pin connector seen from
outside
Pin Signal
No. name
#
NC
$
TXD Transmitted data
%
RXD Received data
&
NC
'
GND
(
DSR
) CTS Connected internally
*
RTS
+
NC
58-E
NGLISH
Computer
9
5
Contents
Communications settings
Signal level
Sync. method
Baud rate
Parity
Character length 8 bits
Stop bit
X parameter
S parameter
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
STX Command : Parameter ETX
Start byte 1 byte
(02h)
3 bytes 1 byte–5 bytes
NOTE:
B The projector can not receive the
command for 10 seconds after
the lamp is switched on. Wait 10
seconds before sending the
command.
B If sending multiple commands,
check that a response has been
received from the projector for
one command before sending the
next command.
B When a command which does
not require parameters is sent,
the colon (:) is not required.
B If an incorrect command is sent
from the personal computer, the
"ER401" command will be sent
from the projector to the personal
computer.
RS-232C
Asynchronous
9600 bps
None
1 bit
None
None
End byte
(03h)