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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 ).
1k ,1/4w
1
2
3
4
5
25
1
7
5 volts
0 vol
t
Diode=OA 90
Switches to stable
p
osition
Diode :OA 90
(
direct low-volta
g
e 0.3Volts
)