Optoma FX5200 - Manual (Page 49)

EN-49
RS232 Commands and Protocol Function
List
RS232 Pin Assignments
D-Sub 9 pin
1 1 CD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Wire List
C1 COLOR C2
1 Black 1
2 Brown 2
3 Red 3
4 Orange 4
5 Yellow 5
6 Green 6
7 Blue 7
8 Purple 8
9 White 9
SHELL DW SHELL