HIKVISION DS-7204HUHI-K1 Посібник користувача - Сторінка 11
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Chapter 4
4.1 Connection Method
Use BNC cable
4.2 Transmission Distance
Transmission distance is related to cable material and power of the connected PoC camera. Details
are listed below.
RG6(75-5)
RG59(75-4)
Better cable material (less resistance), longer transmission distance.
4.3 Extend Transmission Distance
A PoC unit can be used to extend the transmission distance between a DVR and a PoC camera. In
the case below, the DVR can be a non-PoC DVR. The released PoC unit models are: DS-1TP04I/AT,
DS-1TP08I/AT, etc.
DVR(non-PoC)
White Paper of Power over Coaxial (PoC)
PoC Connection and
Transmission Distance
PoC AF Camera
PoC AT Camera
(2 MP)
(2 MP)
200m
200m
200m
100m
BNC
PoC Unit
(Signal)
Figure 4-1
Extended Transmission Distance
10
PoC AF Camera
PoC AT Camera
(4 MP)
(4 MP)
150m
150m
150m
100m
BNC
PoC Camera
(Signal+Power)