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List of ESC/VP21 Commands
User’s Guide
Cable Layouts
* The [USB Type A] port (EMP-7950 only) cannot be used as a USB hub.
Serial connection
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Connector shape : D-Sub 9-pin (male)
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Projector input
connector
: Control (RS-232C)
<At computer>
<At projector> (PC serial cable) <At computer>
Signal Function
GND 5 5 GND
GND Signal wire earth
RD 2 3 TD
TD Transmit data
TD 3 2 RD
RD Receive data
DTR 4 6 DSR
DSR Data set ready
DSR 6 4 DTR
DTR Data terminal ready
<At projector>
USB connection
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Connector shape : USB(type B)
<At projector>
<At computer>
(type B)