Rackmount Solutions RP-W819QD manual 3 4, Pin assignment of the male type 9 pin D-sub connector

11.3 Remote Control Connection & Operation Chapter 11

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 4 5

6 7 8 9

Pin Assignment for Remote Control Connector

1	GND	4	NC	7	VCC
2	RX	5	NC	8	GND
3	TX	6	VCC	9	GND

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.

2.1The 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.

Function	ASCII Command Code
Quad Screen Display	E
CH 1	A
CH 2	B
CH 3	C
CH 4	D
Freeze *1	EA, EB, EC, ED
Auto Switching Sequence	F
VCR/Live	G
Key Lock *2	H
Setup Menu *3	GH
Text Select Down *4	(GH) A
Text Select Up	(GH) B
Cursor Left	(GH) C
Cursor Right	(GH) D
Alarm Reset	I

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