NEC P703 - Control Codes and Cable Connection; Communication Protocol

NEC Display Solutions of America, Inc.
P703 Installation Guide
70” LCD Display Rev 1.0
www.necdisplay.com P703 Page 8 of 9
Input Panels:
Bottom:
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
Communication System: Asynchronous
Baud Rate: 9600 bps
Data Length: 8 bits
Parity: None
Stop Bit 1 bit
Communication Code: ASCII
Interface: Ethernet (CSMA/CD
Communication System: TCP/IP (Internet Protocol Suite)
Communication Layer: Transport layer (TCP)
IP Address: 192.168.0.10 (default out of box)
Port Number: 7142 (Fixed)
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).
Transmit Data+
Transmit Data-
Receive Data+
Receive Data-
Not Used
Not Used
Not Used
Not Used