114
Built-in Switch. Support PoE. The 16 PoE ports
series products supports total 150W power. One
PoE port max supports 15W.
2.2.20 NVR78 Series
The NVR78 series rear panel is shown as below. See Figure 2-62.
Figure 2-62
Please refer to the following sheet for detailed information.
Bidirectional talk input port. It is to receive the
analog audio signal output from the devices such
as microphone, pickup.
Audio output port. It is to output the analog audio
signal to the devices such as the sound box.
Bidirectional talk output.
Audio output on 1-window video monitor.
Audio output on 1-window video playback.
There are four groups. The first group is from
port 1 to port 4, the second group is from port 5
to port 8, the third group is from 9 to 12, and
the fourth group is from 13 to 16. They are to
receive the signal from the external alarm
source. There are two types; NO (normal
open)/NC (normal close).
When your alarm input device is using external
power, please make sure the device and the
NVR have the same ground.
5 groups of alarm output ports. (Group 1:port