Operation Manual
Manuals
Brands
Optoma Manuals
Projectors
EX531P
41
42
43
44
45
46
47
48
49
50
48
English
Appendices
RS232 Commands
RS232 Pin
Assignments
Pin no.
Spec.
1
N/A
2
RXD
3
TXD
4
N/A
5
GND
6
N/A
7
N/A
8
N/A
9
N/A
1
2
3
4
5
6
7
8
9
Pin no.
Name
I/O (From
Projector Side)
1
TXD
OUT
2
RXD
IN
3
GND
GND
1
2
3
1
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50
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