Av switcher truth table, Interfacing to the multimedia port – Eiki Multimedia Port A-6 User Manual

Page 7

Advertising
background image

Eiki A-6 manual

Page 7

Interfacing to the MultiMedia Port.



If you wish to control the A-6 internal switchers in some other way, or configure the
unit as a standalone, fixed input wallplate, you will need to know the control port
connector pinouts for the ribbon cable. They are as follows:

Pin Function

Type

Comment

1

Relay output

Logic Low

RL1

2

Relay output

Logic Low

RL2 (not implemented on MCS-1)

3

GP output 2

Not used

4

RGBHV source

Logic Low input Low = Front PC input

5

AV source 1

Logic Low input See table below

6

AV source 2

Logic Low input See table below

7

RGBHV sense

Logic output

8

Video sense

Logic output

9 GND

10

+24 v

Power

Any positive voltage from 9v to
30v. DC.


AV switcher truth table

Input

Pin 5 Pin 6

Comments

AV in 1 (rear)

H

H

Audio 1 is mono. Video 1. On rear

AV in 2 (rear)

L

H

Audio and video 2 on rear

Video & Audio 3
(front)

H

L

Audio shared with front PC socket
Front video input

A in PC (rear)

L

L

Audio from rear PC socket
Video 4 input rear



“H” = not connected.
“L” = connected to pin 9

Advertising