NEC Display Solutions of America, Inc.
V423 Installation Guide
42” LCD Display Rev 1.0
www.necdisplay.com V423 Page 9 of 9
Input Panel
Bottom:
Side:
Control Codes
NOTE: Contact your NEC rep for codes not listed.
NOTE: Use a cross/reverse/null modem cable.
Cable Connection
Communication Protocol:
Interface: RS-232C Parity: None
Communication: Asynchronous Stop Bit: 1 bit
Baud Rate: 9600 bps Communication Code: Hex
Data Length: 8 bits
Note:
If so desired, jumper “Request to Send” and “Clear to Send” together on both ends of the cable to simplify cable connection. These
connections are not required. The only connections required are pins 2 (TxD), 3 (RxD) and 5 (GND).