D-Link DEM-330R/DD SFP, Single-Mode Fiber, Single LC, 10/100/1000 Mbit/s, Wavelength 1310/1550 nm, Maximum transfer distance 100
D-Link DEM-330R/DD SFP, Single-Mode Fiber, Single LC, 10/100/1000 Mbit/s, Wavelength 1310/1550 nm, Maximum transfer distance 10000 m