SG8051: SG Series EtherCAT Fiber Optic Splitter, with 2 ST fiber optic ports (1 EtherCAT input port and 1 EtherCAT output port) and 2 RJ45 ports (2 EtherCAT output ports), includes optical module, supports cascading and hot-swapping, does not support EtherCAT ring network, and adopts the imported chip solution.