Chapter 11, 3 remote control connection & operation – Acnodes RMQ 8170 User Manual

Page 36

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Chapter 11

11.3 Remote Control Connection & Operation

Pin Assignment for Remote Control Connector

1

GND

4

NC

7

VCC

2

RX

5

NC

8

GND

3

TX

6

VCC

9

GND

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




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.

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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