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Digital input - For connecting devices that can toggle between an open and closed circuit, for
example PIR sensors, door/window contacts, and glass break detectors.
Digital output - For connecting external devices such as relays and LEDs. Connected devices can
be activated by the VAPIX® Application Programming Interface or from the product's webpage.
6–pin terminal block
Function
Pin
1
DC ground
2
DC output
3–
Configurable
6
(Input or
Output)
AXIS A1601 Network Door Controller
Notes
Can be used to power auxiliary equipment.
Note: This pin can only be used as power out.
Digital input – Connect to pin 1 to activate, or
leave floating (unconnected) to deactivate.
Digital output – Internally connected to pin 1 (DC
ground) when active, and floating (unconnected)
when inactive. If used with an inductive load,
e.g., a relay, connect a diode in parallel with the
load, to protect against voltage transients. Each
I/O is capable of driving 12 V DC, 50 mA (max)
external load, if internal 12 V DC output (pin 2) is
used. In the case of using open drain connections
in combination with an external power supply,
then the I/Os can manage DC supply of 0–30 V
DC, 100 mA.
25
Specifications
0 V DC
12 V DC
Max load = 50 mA for
each I/O
0 to max 30 V DC
0 to max 30 V DC,
open drain, 100 mA
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