Manual
Page 57
Appendices RS232 Commands and Protocol Function List RS232 Pin Assignments 9876 54321 Pin no. 1 2 3 4 5 6 7 8 9 Spec. (from projector side) N/A RXD TXD N/A GND N/A N/A N/A N/A 57 English
Appendices RS232 Commands and Protocol Function List RS232 Pin Assignments 9876 54321 Pin no. 1 2 3 4 5 6 7 8 9 Spec. (from projector side) N/A RXD TXD N/A GND N/A N/A N/A N/A 57 English