107
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 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.
Figure 2-66
Note
There are two alarm input types: NO/NC.
When connect the ground port of the alarm device to the NVR, you can use any of the GND ports
Содержание NVR21-S2 SERIES
Страница 1: ...Dahua Network Video Recorder User s Manual V 4 3 0...
Страница 138: ...124 Figure 3 5 3 6 6 NVR42N Series Please refer to Figure 3 6 for connection sample Figure 3 6...
Страница 142: ...128 Figure 3 11 3 6 12 NVR42V 8P Series Please refer to Figure 3 12 for connection sample...
Страница 143: ...129 Figure 3 12...
Страница 157: ...143 Figure 4 15 Step 2 Click device display edit interface See Figure 4 16...
Страница 220: ...206 Figure 4 93 Figure 4 94...
Страница 240: ...226 Figure 4 110 Figure 4 111 Figure 4 112...
Страница 251: ...237 Figure 4 123 Figure 4 124...
Страница 253: ...239 Figure 4 126 Click draw button to draw the zone See Figure 4 127...
Страница 257: ...243 Figure 4 130 Click Draw button to draw a zone See Figure 4 131 Figure 4 131...
Страница 262: ...248 Figure 4 136 Click draw button to draw the zone See Figure 4 137...
Страница 275: ...261 Figure 4 148 Figure 4 149...
Страница 276: ...262 Figure 4 150 Figure 4 151...
Страница 387: ...373 Figure 5 60 Figure 5 61...
Страница 388: ...374 Figure 5 62 Figure 5 63...
Страница 412: ...398 Figure 5 96 Figure 5 97...
Страница 418: ...404 Figure 5 106 5 10 4 4 Record Control The interface is shown as in Figure 5 107 Figure 5 107...
