Cable Layouts; Serial Connection; Usb Connection - Epson EMP-74 User Manual

List of ESC/VP21 Commands

Cable Layouts

Serial connection

Connector shape : D-Sub 9 pin (male)
•
Projector input connector : Control (RS-232C)
•
<At projector>
<At projector> (PC serial cable) <At computer>
GND 5
RD 2
TD 3
DTR 4
DSR 5
<At computer>
Signal Function
5 GND GND Signal wire ground
3 TD TD Transmit data
2 RD RD Receive data
6 DSR DSR Data set ready
4 DTR DTR Data terminal ready

USB connection

Connector shape : USB (type B)
•
<At projector>
(type B)
98
<At computer>