User`s manual

ENVR8304D-8CH

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

Hub

100 M

PoE Injector

The camera requires

separate power supply.

Connect to one camera

only.

Figure 2-9

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.