70
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 2-41
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
(
).
Connect the NC port of the alarm device to the alarm input port (ALARM) of the NVR.
When there is peripheral power supplying for the alarm device, please make sure it is earthed with
the NVR.
2.3.3
Alarm input and output port
There is peripheral power supplying for the external alarm device.
In case overload may result in NVR damage, please refer to the following relay specifications for
detailed information.
Содержание NVR4108-P
Страница 1: ...Network Video Recorder User s Manual V 1 6 0...
Страница 39: ...27 Weight 1 5kg 2 5kg Exclude HDD Installation Desk installation...
Страница 104: ...92 Figure 3 10 3 5 11 NVR78 Series Please refer to Figure 3 11 for connection sample...
Страница 105: ...93 Figure 3 11 3 5 12 NVR78 16P Series Please refer to Figure 3 12 for connection sample...
Страница 106: ...94 Figure 3 12 3 5 13 NVR78 RH Series Please refer to Figure 3 13 for connection sample...
Страница 107: ...95 Figure 3 13 3 5 14 NVR70 Series Please refer to Figure 3 14 for connection sample...
Страница 108: ...96 Figure 3 14 3 5 15 NVR70 R Series Please refer to Figure 3 15 for connection sample...
Страница 109: ...97 Figure 3 15 3 5 16 NVR42V 8P Series Please refer to Figure 3 16 for connection sample...
Страница 110: ...98 Figure 3 16...
Страница 169: ...157 Figure 4 81 Figure 4 82...
Страница 170: ...158 Figure 4 83 Figure 4 84...
Страница 176: ...164 Figure 4 89 Figure 4 90...
Страница 177: ...165 Figure 4 91 Figure 4 92...
Страница 178: ...166 Figure 4 93 Figure 4 94...
Страница 180: ...168 Figure 4 96 Figure 4 97...
Страница 205: ...193 Figure 4 124 In Figure 4 124 click one HDD item the S M A R T interface is shown as in Figure 4 125 Figure 4 125...
Страница 220: ...208 Figure 4 144 Figure 4 145 4 15 3 1 Add Modify Group...
Страница 261: ...249 Figure 5 53 Figure 5 54...
Страница 262: ...250 Figure 5 55 Figure 5 56 Figure 5 57...
Страница 266: ...254 Figure 5 61 Figure 5 62...
