Panasonic PT-L735E, Руководство по эксплуатации

Страница: 64 / 66

64-E
NGLISH
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
Basic format
The data sent from the computer to
the projector is transmitted in the
format shown below.
Communications settings
Signal level RS-232C
Asynchronous Sync. method
Baud rate
Parity
9 600 bps
None
Character length 8 bits
Stop bit 1 bit
X parameter None
S parameter None
STX Command : Parameter ETX
Start byte
(02h)
3 bytes
1 byte
1 byte–5 bytes
End byte
(03h)
NOTE:
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.
NOTE:
B
Use a proper communication
cable which is suitable for the
personal computer to connect
the serial connector and the
personal computer.
D-Sub9p (male)
Communication cable
SERIAL(female)
Computer
1 5
6
9
D-SUB 9-pin connector seen from
outside
Pin
No.
Signal
name
Contents
# NC
$
TXD Transmitted data
% RXD Received data
& NC
'
GND
( DSR
) CTS Connected internally
* RTS
NC
+
Pin layout and signal names
for SERIAL connector