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Appendices
RS232 Commands and Protocol
Function List
RS232 Pin Assignments
Pin no. Name I/O (From Projector Side
1 NC __
2 RXD IN
3
TXD
OUT
4 NC __
5 NC __
6 NC __
7 RS232 RTS
8 RS232 CTS
9 NC __
5 3 1
9
6
Optoma Technology TX783RFBA Projector User Manual