
7.Electrical Interface
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 70
7. Electrical Interface
7.1. LED Light
An LED light is set on the back cover of camera which indicates camera's status, as shown in Table 7-1.
LED light can display 3 colors: red, yellow and green.
LED status
Camera status
Off
No power
Solid red
The camera is powered on, but the program does not start properly
Solid green
Ethernet is connected, but no data is being transmitted
Solid yellow
The camera starts properly, but the network connection is not
established
Flashing yellow
The camera's permanent IP address and other real-time save
parameters are incorrect or the camera is started in the userset mode,
the parameter set is wrong, and the camera is switched to the default
mode to start. Use the IP Configurator to save the camera IP or re-save
the userset. After the camera is powered on, the LED status returns to
green
Flashing green
Data is being transmitted through Ethernet
Flashing yellow-green
Camera initialization failed
Table 7-1 Camera status
7.2. Ethernet Port
Ethernet connector is a standard RJ45 jack, and the pin definition follows the Ethernet standard.
Ethernet port supports CAT-5e cables or above, and the cable length can be up to 100m.
Power can be supplied to the camera (MER2-G-P series) via Power over Ethernet (IEEE802.3af
compatible), i.e., via the Ethernet cable plugged into the camera's RJ45 jack.
7.3. I/O Port
I/O port is implemented by 8-pin Hirose connector (No. HR25-7TR-8PA(73)), and the corresponding plug
is HR25-7TP-8S.