ESC/VP21 Command User's Guide for Business Projectors
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8.Appendix
8.1.Communication specification.
A projector and a computer can be connected using a serial or USB port. The projector can be remotely controlled by sending
commands to the projector.
Serial Connection (600/800/810/811/820,30/52,73/53/74/54,8300/9300,7800/7850,S1/S1H,61/81,830/835/821,828/7900/
7950,62/82,6100/6000,1815/1810/1825,83/822/83+/822+,280,6110/6010,400W,G5350/G5300/G5150/G5100/G5200W/G5000)
• Select RS-232C at Advanced Setting of the Menu.
• Communication condition
Baud rate : 9600 bps
Data length : 8 bits
Parity : No
Stop bit : 1 bit
Flow control : No
• Connector : D-sub 9pin
• Projector input : Control(RS-232C)
*DTR and DSR are not used.
USB Connection (600/800/810/811/820,720/730/520,73/53/74/54,735,8300/9300,7800/7850/61/81,830/835,740/745/732/
737,821/828,7900/7950,S3/S4,765/760,755/750,62/82/X3(76),1715/1710/1705/1700,S5/X5/EX90,260,G5350/G5150)
• For 600/800/810/811/820, select USB at Advanced Setting of the Menu.
• For 730/720/520/735/740/745/732/737/S3/765/760/755/750/X3(76)/S4/1715/1710/1705/1700/S5/X5/260,select Link 21L at
Advanced Setting of the Menu.
• For 8300/8350/9300,select USB at Advanced2 Setting of the Menu.
• For 61/81/830/835/821,select USB at Extended Setting of the Menu.
• Epson USB COM Driver has to be installed in your computer to use USB for communication. A COM port is added to your
computer, when the projector and your computer is connected by a USB cable. The added COM is listed at PORT (COM/LPT)
in the device manager tab of System in Control Panel as EPSON COM Emulation port (COMn).
• Connector : USB(B type)
Projector PC serial cable Computer
GND 5 5 GND
RD 2 3 TD
TD 3 2 RD
Signal name Function
GND Common ground
TD Transmitted data
RD Received data
USB COM Driver Models
EMPUSBSetup.exe 600/800/810/811/820/720/730/520/73/53/74/54/735
EMPUSB2Setup.exe 7800/7850/8300/9300/61/81/830/835/740/745/732/737/
821/828/7900/7950/S3/765/760/755/750/62/82/X3(76)S4/
1715/1710/1705/1700/S5/X5/EX90260