... electric port module, SFP, interface RJ45, distance: 100m 3. Giga multi-mode optical port module, SFP, optical port LC, TX wavelength: 850nm ... LC, TX wavelength: 1310nm, distance: 10Km 5. Giga single mode optical port module, SFP, interface port LC, TX wavelength: 1310nm ... , distance: 20Km 6. Giga single mode optical port module, SFP, interface port LC, TX wavelength: 1310nm ...