Here we use HCVR8216A-S3 as an example.
Figure 2-5
Please refer to the following sheet for detailed information.
Connect to analog camera to input video
signal.
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.
It is to receive the analog audio signal
output from the devices such as
microphone.
It is for general COM debug to configure
IP address or transfer transparent COM
data.
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 DVR have
the same ground.
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