... Three phase input neutral line) 32APEEarth line5. Functional Interfaces5.1 External communication: CAN ,Ethernet ,GPRS , CDMA5.2 Smart Card ... . Function characteristic6.1AC input configuration leakage protection switch, with the output side of the overload, short circuit protection ... can quickly cut off the output power. 6.8 External communication with charging pile, through the CAN, Ethernet or GPRS / ...