NEC P547UL User Manual page 159

PC Control Terminal (D-Sub 9P)
1 2
6
NOTE:
• Pins 1, 4, 6 and 9 are no used.
• Jumper "Request to Send" and "Clear to Send" together on both ends of the cable to simplify cable connection.
• For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.
To TxD of PC
To RxD of PC
To GND of PC
3 4 5
7 8 9
To RTS of PC
To CTS of PC
138
9. Appendix