Mini 10/100M industrial Ethernet optical fiber adapter with single-mode single-fiber B optical interface. The size of a small mahjong; Directly plugged into the device's Ethernet interface to turn the network interface into a optical interface; In line with the IEEE802.3u, 10/100Base-TX and 100Base-FX industrial Ethernet standards; Network interface rate: 10/100M, self-adaptive; Optical interface rate: 100M; Power interface-network interface-optical interface completely isolated; ST optical fibre splice; Applicable optical fiber: single-mode 9/125, 10/125, 8.3/1; Maximum transmission distance: 20km; 5-36VDC wide voltage power supply; -20-+70℃ industrial grade working temperature.