Handa HD brand USB 3.0 Network Connector is 9pin wifi nectwork for Inverter, battery COM port.Its communication signal can be transmitted to the control center in order to detect and check the working condition of the photovoltaic system in real time. IP68 higher waterproof protection level, and socket side 9pin cables can be customized based on specific requirements. what's more the 9pins cable is quick plug-in type, separately 2 parts from Panel USB connectors (while other suppliers soldering the cables into the connectors), HD USB connectors is easily to replace the cable without unlocking the USB connector itself. Solid connections system also can provide the solutions for data transmission in harsh environments