Dahua 32 Series Quick Start Manual page 14

The rear panel of the 32-P series is shown as below. See Figure 1-4.
The rear panel of the 32-S series is shown as below. See Figure 1-5.
Please refer to the following sheet for detailed information.
Port Name
RS232
HDMI
VGA
1-16
NO1 to NO3
Connection Function
USB port.
Network port
232 debug
COM.
High
Definition
Media
Interface
VGA video VGA
output port
Alarm input I/O port
port.
Alarm input
port ground
end
3-ch alarm
output port
Figure 1-4
Figure 1-5
Connect to USB mouse.
10M/100M/1000M self-adaptive Ethernet port.
Connect to the network cable.
It is for general COM debug to configure IP
address or transfer transparent COM data.
High definition audio and video signal output
port. It transmits uncompressed high definition
video and multiple-channel data to the HDMI
port of the display device.
VGA video output port. Output analog video
signal. It can connect to the monitor to view
analog video.
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 NVS have the same
ground.
Alarm input ground end.
3 groups of alarm output ports. (Group 1：
port NO1～C1,Group 2:port NO2～
8