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External Control NEC LCD Monitor
1. Application
This document defines the communications method for control of the NEC LCD monitor MultiSync
V321,V461
and LCD4215
(R)
when using an external controller
.
2. Connectors and wiring
2.1 RS-232C Remote control
Connector: 9-pin D-Sub
Cable: Cross (reversed) cable or null modem cable
(Please refer
“
Controlling the LCD monitor via RS-232C Remote control
”
on User
’
s manual.)
2.2 LAN control
( Except LCD4215
(R)
)
Connector: RJ-45 10/100 BASE-T
Cable: Category 5 or higher LAN cable
(Please refer
“
Controlling the LCD monitor via LAN control
”
on User
’
s manual.)
3. Communication Parameter
3.1 RS-232C Remote control
(1) Communication system
Asynchronous
(2) Interface
RS-232C
(3) Baud rate
9600bps
(4) Data length
8bits
(5) Parity
None
(6) Stop bit
1 bit
(7) Communication code
ASCII
3.2 LAN control
( Except LCD4215
(R)
)
(1) Communication system
TCP/IP (Internet protocol suite)
(2) Interface
Ethernet (CSMA/CD)
(3) Communication layer
Transport layer (TCP)
* Using the payload of TCP segment.
(4) IP address
(Default) 192.168.0.10
* If you need to change,
Please refer
“
Network settings
”
on User
’
s manual.
(5) Port No.
7142 (Fixed)
3.3 Communication timing
The controller should wait for a packet interval before next command is sent.
The packet interval needs to be longer than 600msec for the LCD monitor.
