... Optical Port: Single single-mode fiber, dual wavelength 1550nm/1310nm, SC/PC connector, operating distance 15/40km. Dual single-mode fiber, ... single wavelength 1310nm or 1550nm, dual SC connectors, operating distance 15/40/60km.Dual multimode fiber, single ... wavelength 1310nm, dual SC connectors, operating distance 2km. Power inputdual DC or AC ...