Cable layouts, Serial connection, Communications protocol – Epson EB-440W User Manual
Page 122: Serial connection communications protocol, P.122, Esc/vp21 commands
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Cable Layouts
Serial Connection
• Connector shape: D-Sub 9-pin (male)
• Projector input port name: RS-232C
<At the projector>
<At the computer>
<At the projector>
(PC serial cable)
<At the computer>
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
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