Cable layouts, Serial connection, Communications protocol – Epson EB-440W User Manual
Page 122: Serial connection communications protocol, P.122, Esc/vp21 commands
Cable Layouts
Serial Connection
• Connector shape: D-Sub 9-pin (male)
• Projector input port name: RS-232C
(PC serial cable)
Signal Name
Function
GND
Signal wire ground
TD
Transmit data
RD
Receive data
Communications protocol
• Default baud rate setting: 9600 bps
• Data length: 8 bit
• Parity: None
• Stop-bit: 1 bit
• Flow control: None
ESC/VP21 Commands
122