Epson 7700p - PowerLite XGA LCD Projector Manuel de communication - Page 3

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Epson 7700p - PowerLite XGA LCD Projector Manuel de communication

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
• Bit length
• Parity
• Stop bit
• Flow control
[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)
GND 13
RD
TD
DTR
DSR
<EMP-7700/7600/5600>
(Projector)
GND
RD
TD
DTR
DSR
ESC/VP Level 6 Serial Communication Manual (Abridged Edition)
Standard speed: 9600 bps (EMP-8100/9100/8150/7700: 9600 to 57600 bps)
8 bit
None
1 bit
Hardware (DTR/DSR)
Projector
8
12
9
13
(Main cable)
5
9
2
8
3
10
4
11
6
(Main cable)
5
5
2
3
3
2
4
6
6
4
(EMP-7600/5600: 9600 to 38400 bps)
(Computer serial cable)
5
5
2
3
3
2
4
6
6
4
(PC)
GND
TD
RD
DSR
DTR
3 of 20
PC
(RS-232C D-sub 9pin)
(PC)
GND
TD
RD
DSR
DTR
List of Signal Function
Signal
Function
GND
Ground
TD
Data transmission
Data reception
RD
DSR
Data set ready
DTR
Data terminal ready