... and-forward buffer, which can improve equipments transmission efficiency, with the function of flow control, broadcast isolation, error detection ... crossing the switch.8. Chassis media converter card works with internal power single backboard or 2U chassis, supports hot-plug ... )220V/AC,50Hz; -48V/DC (optional)Safety and EMCCompliant with standard of FCC, UL, CE, TUV, CSAConsumptionChassis (full- ...