User's Manual
57
Figure 2-78 Alarm Port
Table 2-39
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 (CTRL 12V)
Control power output. Disable power output when alarm is canceled.
Current is 500mA.
P (+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 120TΩ between A/B cables if there are
too many PTZ decoders.
●
Different models support different alarm input ports. Please refer to the specifications sheet for
detailed information.
●
Slight difference might be found on the alarm port layout.
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.
Содержание NVR41-4KS2 Series
Страница 1: ...Dahua Network Video Recorder User s Manual ZHEJIANG DAHUA VISION TECHNOLOGY CO LTD V1 1 0 ...
Страница 74: ...User s Manual 58 Figure 2 79 Alarm input port Figure 2 80 Alarm input port ...
Страница 101: ...User s Manual 85 Figure 3 41 Step 9 Secure the HDD bracket and put the top cover back ...
Страница 114: ...User s Manual 98 3 6 15 NVR616 4KS2 Series The following figure is for reference only Figure 3 58 ...
Страница 132: ...User s Manual 116 Figure 4 19 Modify IP Step 3 Set parameters See Table 4 5 ...
Страница 147: ...User s Manual 131 Figure 4 29 Period Step 3 Set record type See Figure 4 30 ...
Страница 319: ...User s Manual 303 The Exception interface is displayed See Figure 4 190 Figure 4 190 Figure 4 191 Figure 4 192 ...
Страница 420: ...User s Manual 404 Figure 4 290 File management Step 2 Click Add The Add interface is displayed See Figure 4 291 ...
Страница 452: ...User s Manual ...
