Alpeg MP615/MP107 - Manual (Page 11)

Rev 1.5
Page 10
270
5 Appendices
5.1 diagram of DB25 GPI parallel connector wiring (dry contact)
5 channels can be accessed.
ATTENTION: If fewer channels are used, the contacts must imperatively be earthed
(grounded).
The closing of contact 1 activates an action associated to a command number 1 (example in
the file SC00: 1: play /clips/video1.mpg ).
1 k , 1/4w
1
2
3
4
5
25
1 7
5 volts
0 volt
Diode=OA 90
Switches to stable
position
Diode :OA 90 (direct low-voltage 0.3Volts)