Dahua 3000 Series, Руководство пользователя

Страница: 19 / 51

Interface Description
19
2.2
Interface Description
The back of the device has two interfaces, the network interface and 6pin power as well as I/O interface,
as shown below:
Figure 2-3 Interface Description
2.2.1 USB Port
USB port supports USB2.0 and USB3.0
，
which can be used in camera control, data transmission and power
supply.
To ensure the transmission quality, please use certified cables to prevent too much data retransmission and packet
loss.
2.2.2 I/0 Port
Sheet 2-1 Pin Signal Definition
Pin Signal Description
1 Line3
GPIO
（
Non-isolated software can configure input and
output
）
2 Line1 Opto-coupler isolation input
3 Line2
GPIO
（
Non-isolated software can configure input and
output
）
1
4 Line0 Opto-coupler isolation output
5 ISO_GND
Opto-coupler isolation signal ground
（
ISO_GND
）
6 GND
GPIO signal ground
（
GND
）