NVC-GDN4801V/H-2, NVC-GDN4801V-2, NVC-GDN4801V/IR-2, NVC-GDN4801V/IRH-2
1.3 version - User’s manual
All rights reserved © AAT Holding sp. z o.o.
13
Note:
If system supports more than two cameras depicted above, connection between them should be
made analogically.
4.3 Alarm output
Cameras contain alarm output used for triggering external devices. After motion detection event has
occurred, 3V DC is enabled on the output, with max current up to 10mA.
A scheme giving example of camera controlling an external device is given below:
INSTALLATION
COM
Camera
OUT
Relay
Power relay
Power
Signaller
T
w
is
te
d
p
ai
r
NV-KBD40 keyboard
R
J1
1
c
o
n
n
ec
ti
o
n
c
ab
le
R
S
4
8
5
-
R
S
4
8
5
-
RS485(TX-)
RS485 -
RS485(TX+)
RS485 +
Twisted pair
RS485+ (white cable)
RS485- (orange cable)
RS485+ (white cable)
RS485- (orange cable)
R
S
4
8
5
+
R
S
4
8
5
+
