NEC Display Solutions of America, Inc.M260X/M300X Installation GuideCeiling Mounted and Desktop Rev 1.1www.necdisplay.com M260X/M300X Page 6 of 6Input / Output PanelPC Control CodesFunction Code DataPOWER ON 02H 00H 00H 00H 00H 02HPOWER OFF 02H 01H 00H 00H 00H 03HINPUT SELECT COMPUTER1 02H 03H 00H 00H 02H 01H 01H 09HINPUT SELECT COMPUTER21 02H 03H 00H 00H 02H 01H 02H 0AHINPUT SELECT HDMI 02H 03H 00H 00H 02H 01H 1AH 22HINPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EHINPUT SELECT S-VIDEO 02H 03H 00H 00H 02H 01H 0BH 13HINPUT SELECT VIEWER 02H 03H 00H 00H 02H 01H 1FH 27HINPUT SELECT NETWORK 02H 03H 00H 00H 02H 01H 20H 28HINPUT SELECT USB DISPLAY 02H 03H 00H 00H 02H 01H 22H 2AHPICTURE MUTE ON 02H 10H 00H 00H 00H 12HPICTURE MUTE OFF 02H 11H 00H 00H 00H 13HSOUND MUTE ON 02H 12H 00H 00H 00H 14HSOUND MUTE OFF 02H 13H 00H 00H 00H 15HPROJECTOR INFORMATION REQUEST 00H BFH 00H 00H 01H 02H C2HERROR STATUS REQUEST 00H 88H 00H 00H 00H 88HINFORMATION REQUEST 03H 8AH 00H 00H 00H 8DHNote: Contact your NEC rep for codes not listed.Cable ConnectionCommunication Protocol:Baud Rate: 38400 bpsData Length: 8 bitsParity: No ParityStop Bit: One BitX on/off: NoneCommunications: Full duplex1 2 3 4 56 7 8 9To GND of PCTo RxD of PCTo TxD of PCTo CTS of PCTo RTS of PCPC Control Connector (D-Sub 9P )NOTE 1 : Pins 1, 4, 6, and 9 are used inside the projector.NOTE 2: For long cable runs it is recommended to set communication speed within the projector to 9600 bps.NOTE 3: Jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection.