HIKVISION DS-7216HQHI-K2 Руководство пользователя - Страница 8
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Chapter 3
3.1 Camera Connection
Only Hikvision PoC camera can be connected to a PoC DVR. A self-powered PoC camera can
be connected to a non-PoC DVR.
Turn off the PoC power supply function of the DVR before connecting to a non-PoC camera.
The image can be displayed if the non-PoC camera uses DC (direct current) coupling. If the
non-PoC camera use AC (alternating current) coupling, it cannot display image.
Do not connect optical transceiver or third-party PoC camera to the DVR.
Please turn off the PoC function if the camera does not support PoC, or the camera is not produced
by Hikvision. Otherwise, it may result in damage to the camera or DVR
3.2 Camera Power Supply Scenarios
First connect the camera to 12 VDC power supply, then to a DVR. The DVR detects that the
camera is connected to power and will not supply power to the camera.
First connect the camera to DVR, then add 12 VDC power supply. The power supply will not
be changed.
When powered by 12 VDC, if the power supply is stopped, the camera will shut down and
stop outputting video signals. The DVR then detects the PoC camera and provides power
supply, and the camera will restart.
White Paper of Power over Coaxial (PoC)
The Basics of PoC
Figure 3-1
Camera Connection
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