... optical fiber converter is designed for communication on broadband IP MAN with perfect LED. And the optical module adopts SFP ... and-forward buffer, which can improve equipments transmission efficiency, with the function of flow control, broadcast isolation, error detection ... )220V/AC,50Hz; -48V/DC (optional)Safety and EMCCompliant with standard of FCC, UL, CE, TUV, CSAConsumptionChassis (full-insertion ...