NEC NP-VE281 - Input Panels and Control Codes; Input Panel Layouts; PC Control Codes; Cable Connection and Protocol

NEC Display Solutions of America, Inc.
VE281/VE281X/VE282B/VE282XB Installation Guide
Ceiling and Desktop Mounted Rev 1.0
www.necdisplay.com VE281/VE281X/VE282B/VE282XB Page 6 of 8
Input Panels
VE281/VE281X
VE282B/VE282XB
PC Control Codes
Function Code Data
POWER ON 02H 00H 00H 00H 00H 02H
POWER OFF 02H 01H 00H 00H 00H 03H
INPUT SELECT COMPUTER1 02H 03H 00H 00H 02H 01H 01H 09H
INPUT SELECT VIDEO 02H 03H 00H 00H 02H 01H 06H 0EH
INPUT SELECT HDMI 02H 03H 00H 00H 02H 01H 1AH 22H
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 NEC rep for codes not listed.
Cable Connection
Communication Protocol:
Baud Rate: 38400 bps
Data Length: 8 bits
Parity: No Parity
Stop Bit: One Bit
X on/off: None
Communications: Full duplex
PC 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.
12
34
5
67 8
9
To GND of PC
To RxD of PC
To TxD of PC
To CTS of PC
To RTS of PC