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Appendices
RS232 Commands and Protocol
Function List
Pin no. Name I/O (From Projector Side
1 NC __
2 RXD IN
3
TXD
OUT
4 NC __
5 GND __
6 NC __
7 NC __
8 NC __
9 NC __
RS232 Pin Assignments
3
5
1
9
6
Optoma Technology 1080p DLP Projector User Manual