Panasonic PT-TX440

126 - ENGLISH
<SERIAL IN> terminal
The <SERIAL IN> terminal of the projector conforms with RS-232C so that the projector can be connected to and
controlled from a computer.
Connection
Connecting terminals on projector
D-Sub 9-pin (female)
Computer
Communication cable (straight)
D-Sub 9-pin (male)
Pin assignments and signal names
D-Sub 9-pin (female)
Outside view
Pin No. Signal name Contents
— NC
TXD Transmitted data
RXD Received data
— NC
GND Earth
— NC
CTS
Connected internally
RTS
— NC
Communication conditions (Factory default)
Signal level
RS-232C-compliant
Sync. method
Asynchronous
Baud rate
9 600 bps
Parity
None
Character length
8 bits
Stop bit
1 bit
X parameter
None
S parameter
None
Basic format
Transmission from the computer starts with STX, then the ID, command, parameter, and ETX are sent in this
order. Add parameters according to the details of control.
ID designate
ZZ, 01 to 06
(2 bytes)
Start (1 byte)
2 ID characters (2 bytes)
Semi-colon(1 byte)
End (1 byte)
Parameter (undened length)
Colon (1 byte)
3 command characters (3 bytes)
Chapter 7 Appendix - Technical Information