Appendices

RS232 Commands

RS232 Connector

VGA-In Connector

3

21

Pin no.

Name

I/O (From Projec-

tor Side

 

 

 

 

 

1

TXD

OUT

2

RXD

IN

 

 

 

3

GND

__

5

4

3

2

1

10

9

8

7

6

15

14

13

12

11

Pin no.

 

 

Spec.

 

1

 

R(RED)/Cr

 

2

 

G(GREEN)/Y

 

3

 

B(BLUE)/Cb

 

4

 

 

GND

 

5

 

 

GND

 

6

 

 

GND

 

7

 

 

GND

 

8

 

 

GND

 

9

 

DDC 5V

 

10

 

 

GND

 

11

 

 

GND

 

12

 

DDC Date

 

13

 

HD/CS

 

14

 

 

VD

 

15

 

DDC Clock

 

English 36

Page 36
Image 36
Optoma Technology EP747 manual RS232 Commands, RS232 Connector VGA-In Connector