single fiber single mode 20km transmission distance, sc connector just tell us the brand of your switch, we can produce the compatible modules with all kind of switches. Up to 1.25Gbs Data Links Hot-pluggable single fiber single mode LC connector Up to 20km on 9/125μm SMF Single +3.3V Power Supply Low power dissipation Power dissipation <1.5W Industrial /Extended/ Commercial operating temperature range: -40°C to 85°C/-5°C to 85°C/-0°C to 70°C Version available ROHS compliant and Lead Free