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11.3 Remote Control Connection & Operation
The device may be controlled via the male type 9 pin D-sub/RS-232 connector (#13) from a RC-5002 keypad, terminal or
computer using ASCII code.
Note: Please power off the unit before connecting the Remote Control keypad.
1. Pin assignment of the male type 9 pin D-sub connector:
1
2
3
6
7
8
When a computer is used to control this device through a RS-232 port, pin 6, 7, 8, and 9 must be disconnected to
prevent connecting the VCC and GND signals from the device to the computer. A RS-232 port only uses pin 1, 2,
and 3 for control signal transmission.
2. A terminal or computer can be connected to the male type 9 pin D-sub connector on the real panel from it RS-
232 port to control this device using standard, uppercase ASCII codes.
2.1 The ASCII command codes for the quad are listed in the table below. The transmission protocol is 1200-
baud rate, 8 data bit, 1 start bit, 1 stop bit, and no parity.
4
5
9
Function
Quad Screen Display
CH 1
CH 2
CH 3
CH 4
Freeze *1
Auto Switching Sequence
VCR/Live
Key Lock *2
Setup Menu *3
Text Select Down *4
Text Select Up
Cursor Left
Cursor Right
Alarm Reset
Pin Assignment for Remote Control Connector
1
GND
4
2
RX
5
3
TX
6
ASCII Command Code
EA, EB, EC, ED
P.32
Chapter 11
NC
7
VCC
NC
8
GND
VCC
9
GND
E
A
B
C
D
F
G
H
GH
(GH) A
(GH) B
(GH) C
(GH) D
I
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