Click "Network >> Loopback >> Multi-IP Settings", configure any IP address for the
gateway, click Add, and then click Apply & Save.
5.1.6 Layer 2 Switch
Check the network connection status of GE 1 to GE 4. LINK UP indicates that the
network is connected. LINK DOWN indicates that the network is disconnected.
5.2 OBD
OBD is used to collect vehicle condition data, obtain emission information, and
perform fault diagnosis in real time. Vehicle condition data includes key
parameters such as the fuel level, mileage, driving speed, engine speed, engine
load, coolant temperature, and brake pressure. Emission information includes the
volume of AdBlue, the operating and monitoring status of various exhaust post-
processing sensors (such as the exhaust gas sensor and diesel particle filter) and
catalysts, etc. In fault diagnosis, standard fault codes of vehicles and