Axis Q74 Guia De Instalacion página 20

AXIS Q7424-R Mk II Video Encoder
3–
Configurable
6
(Input or
Output)
1
0 V DC (-)
2
DC output 12 V, max 125 mA
3
Example: push button
A
I/O configured as input
B
I/O configured as output
Audio Connector
4-pin terminal block for audio input and output.
For audio in, the left channel is used from a stereo signal.
Digital input – Connect to pin 1 to activate,
or leave floating (unconnected) to deactivate.
Digital output – Connected to pin 1 when
activated, floating (unconnected) when
deactivated. If used with an inductive load,
e.g. a relay, a diode must be connected in
parallel with the load, for protection against
voltage transients.
D
G
S
1
3
2
A
B
20
0 to max 30 V DC
0 to max 30 V DC, open
drain, 100 mA