Powered by SwOS Lite, the MikroTik RB-GPEN21 is an intelligent media converter featuring PoE pass-through capabilities. It boasts a robust suite of software functionalities, including comprehensive interface management and monitoring, GPEN link fault detection, VLAN tagging, SNMP reporting, and basic traffic shaping. Hardware-wise, the unit is equipped with two Gigabit Ethernet ports alongside an SFP port for flexible fiber connectivity. Highly versatile, the RB-GPEN21 can either deliver power directly to a fiber module or supply PoE to an upstream Ethernet link via the RB-GPER. Please note: A power supply unit is not included.