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ESC/VP Level 6 Serial Communication Manual (Abridged Edition)
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3. SERIAL COMMUNICATION SPECIFICATIONS
The projectors can be controlled by connecting a serial cable to the projector (Mouse/Com port) and a computer so that ESC/VP
commands can be sent from the computer to the projector.
[Communication Conditions]
• Communication Speed Standard speed: 9600 bps (EMP-8100/9100/8150/7700: 9600 to 57600 bps)
(EMP-7600/5600: 9600 to 38400 bps)
• Bit length 8 bit
• Parity None
• Stop bit 1 bit
• Flow control Hardware (DTR/DSR)
[Connectors]
Connector type: D-sub 9pin
(The pins which are actually used are the five pins from 2 to 6. These pins are used to send and receive data, for flow control and
for grounding.)
[Serial cable connection diagram]
<EMP-8100/8150/9100>
(Projector) (Main cable) (Computer serial cable) (PC)
GND 13 5 5 5 GND
RD 9 2 2 3 TD
TD 8 3 3 2 RD
DTR 10 4 4 6 DSR
DSR 11 6 6 4 DTR
<EMP-7700/7600/5600>
List of Signal Function
(Projector) (Main cable) (PC) Signal Function
GND 5 5 GND GND
Ground
RD 2 3 TD TD
Data transmission
TD 3 2 RD RD
Data reception
DTR 4 6 DSR DSR
Data set ready
DSR 6 4 DTR DTR
Data terminal ready
12
Projector PC
(RS-232C D-sub 9pin)
9
13
8