Dante DNA2000 Series, Инструкция по установке и эксплуатации, Страница: 17 / 200

2.3
2.3 2.3
2.3 Alarm Connection
Alarm Connection Alarm Connection
Alarm Connection
2.3.1
Alarm Port
The alarm port is shown as below. See Figure 2-6. The following figure is based on the DNA
series.
Figure 2-6
Icon Function
1
～
16 ALARM1
～
ALARM16. The alarm becomes activated in the
low level.
NO1 C1
，
NO2 C2
，
NO3 C3
，
NO4
C4
Four NO activation output groups. (On-off button).
NO5 C5 NC5 One NO/NC activation output group. (On-off button).
CTRL 12V Control power output. Disable power output when alarm is
canceled. Current is 500mA.
＋
12V Rated current output. Current is 500mA.
GND
A/
B
485 communication port. They are used to control devices
such as PTZ. Please parallel connect 120T
Ω
between A/B
cables if there are too many PTZ decoders.
Note
Different models support different alarm input ports. Please refer to the specifications sheet
for detailed information.
Slight difference may be found on the alarm port lausert.
2.3.2
Alarm input port
Connect the positive end (+) of the alarm input device to the alarm input port (ALARM IN 1
～
16) of
the NVR. Connect the negative end (-) of the alarm input device to the ground end ( ) of the
NVR.