1.6 Rear Panel
Please note the following contents based on our 78-8P series product. For detailed operation instruction,
please refer to the User’s Manual included in the resources CD.
The rear panel is shown as below. See Figure 1-2.
Figure 1-2
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 mike phone, pickup.
Audio output port. It is to output the analog
audio signal to the devices such as the
sound box.
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 NO1~C1,Group 2:port NO2~
C2,Group 3:port NO3~C3, Group 4:
port NO4~C4, Group 5: port NO5, C5,
NC5).Output alarm signal to the alarm