Input Panel; Pc Control Codes; Cable Connection; Communication Protocol - NEC U321H Installation Manual

U321H Installation Guide
Desktop and Ceiling Mount

Input Panel

z

PC Control Codes

Function
POWER ON
POWER OFF
INPUT SELECT COMPUTER
INPUT SELECT HDMI 1
INPUT SELECT HDMI 2
INPUT SELECT VIDEO
PICTURE MUTE ON
PICTURE MUTE OFF
SOUND MUTE ON
SOUND MUTE OFF
PROJECTOR INFORMATION REQUEST
ERROR STATUS REQUEST
INFORMATION REQUEST
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
NOTE 1: It is recommended to set the projector to "Idle Mode" in the Setup menu for best Power ON response.
NOTE 2: Pins 2, 3, 5, 6 and 8 are used inside the projector.
NOTE 3: For long cable runs it is recommended to set communication speed in the Setup menu to 9600 bps.
www.necdisplay.com
Code Data
02H 00H 00H 00H
02H 01H 00H 00H
02H 03H 00H 00H
02H 03H 00H 00H
02H 03H 00H 00H
02H 03H 00H 00H
02H 10H 00H 00H
02H 11H 00H 00H
02H 12H 00H 00H
02H 13H 00H 00H
00H BFH 00H 00H
00H 88H 00H 00H
03H 8AH 00H 00H
1 2
6 7
NEC Display Solutions of America, Inc.
00H 02H
00H 03H
02H 01H 01H 09H
02H 01H A1H A9H
02H 01H A2H AAH
02H 01H 06H 0EH
00H 12H
00H 13H
00H 14H
00H 15H
01H 02H C2H
00H 88H
00H 8DH
To TxD of PC
To RxD of PC
To GND of PC
3 4 5
9
8
To RTS of PC
To CTS of PC
U321H
v1.0
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