Controlling The Monitor Via Rs-232C - NEC MultiSync UN552 User Manual

Controlling the Monitor via RS-232C

This monitor can be controlled by connecting a personal computer with an RS-232C (reverse type) terminal.
For example, some of the functions that can be controlled by a personal computer are:
• Power ON or standby.
• Switching between input signals.
• Sound Mute ON or OFF.
Connection
Monitor + computer.
• Please turn off the monitor's main power before connecting a computer to the monitor.
• Please turn on the connected computer first then turn on the monitor's main power.
If you turn on the computer and monitor in reverse order, the com port may not work.
Computer

NOTEN:
• If your computer is equipped only with a 25-pin serial port connector, a 25-pin serial port adapter is required.
Contact your supplier for details.

• For the pin assignment, please see "2) RS-232C input/output" on
To control the monitor via commands sent from a computer connected with an RS-232C cable, please use the control
command. Instructions for the control command can be found in the Control Command Diagram (see
"External_Control.pdf". See page
Interface
PROTOCOL RS-232C
BAUD RATE 9600 [bps]
DATA LENGTH 8 [bits]
PARITY NONE
STOP BIT 1 [bit]
FLOW CONTROL NONE
This monitor uses RXD, TXD and GND lines for RS-232C control.
The reverse type cable (null modem cable) (not included) should be used for RS-232C control.
RS-232C Cable
98.
English−79
RS-232C
page 80.
page 76) or the