NEC NP500WG  PC Control Codes and Cable Connection, PC Control Connector D-SUB 9P, Appendix

7. Appendix

PC Control Codes and Cable Connection

PC Control Codes

Function	Code Data
POWER ON	02H	00H	00H	00H	00H	02H
POWER OFF	02H	01H	00H	00H	00H	03H
INPUT SELECT COMPUTER 1	02H	03H	00H	00H	02H	01H	01H	09H
INPUT SELECT COMPUTER 2 (Digital)	02H	03H	00H	00H	02H	01H	1AH	22H
INPUT SELECT COMPUTER 2 (Analog) 02H		03H	00H	00H	02H	01H	02H	0AH
INPUT SELECT VIDEO	02H	03H	00H	00H	02H	01H	06H	0EH
INPUT SELECT S-VIDEO	02H	03H	00H	00H	02H	01H	0BH	13H
PICTURE MUTE ON	02H	10H	00H	00H	00H	12H
PICTURE MUTE OFF	02H	11H	00H	00H	00H	13H
SOUND MUTE ON	02H	12H	00H	00H	00H	14H
SOUND MUTE OFF	02H	13H	00H	00H	00H	15H

NOTE: Contact your local dealer for a full list of the PC Control Codes if needed.

Cable Connection

Communication Protocol
Baud rate	19200 bps
Data length	8 bits
Parity	No parity
Stop bit	One bit
X on/off	None
Communications procedure	Full duplex

NOTE: Depending on the equipment, a lower baud rate may be recommended for long cable runs.

PC Control Connector (D-SUB 9P)

To TxD of PC

To RxD of PC

To GND of PC

1 2 3 4 5

6 7 8 9

To RTS of PC

To CTS of PC

NOTE 1: Pins 1, 4, 6 and 9 are no used.

NOTE 2: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection.

NOTE 3: For long cable runs it is recommended to set communication speed within projector menus to 9600 bps.

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