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2.3.2 Cable Length Extension
The Ethernet connection is effective within 100 meters in distance. If the distance between the
PoE switch and the IP cameras is over 100 meters, you need to use a hub, PoE injector or PoE
extender, which should be connected to one camera only.
EVNR8304D-8CH
NVR Smart Switch
100 M
100 M
100 M
Note:
1. It is required to provide power supply additionally for the camera connecting by a hub for
extension.
2. For stable connection and operation, the user should establish a dedicated communication
line for IP cameras in the same network so that the router connection is not allowed.
3. Please refer to the User's Manual of NVR Smart Switch for detailed information.
100 M
Hub
100 M
Hub
Hub
Figure 2-9
The camera requires
100 M
separate power supply.
100 M
PoE Injector
Connect to one camera
only.
13
ENVR8304D-8CH
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