The CF-Y101SW-20B is a 10/ 100M industrial Ethernet fiber switch independently developed by CF FIBERLINK. It is designed to meet industrial fields and systems and can operate stably for a long time in harsh environments. It has 1* 10/ 100M RJ45 port and 1* 155M uplink SC port. Each port can support full line-rate forwarding. CF-Y101SW-20A/B industrial Ethernet switch has excellent industrial field environment adaptability(including mechanical stability, climate adaptability, electromagnetic environment adaptability, etc.), protection level up to IP40, It can support dual redundant power supply, low power consumption and no fan cooling technology, MTBF average trouble-free working time up to 35 years, 5-year warranty. It is suitable for industrial scenes such as intelligent transportation, rail transit, electric power, mining, metallurgy and green energy construction to form a cost-effective and stable communication network.