Phoenix Contact FL SWITCH SFN Ethernet Switches include 5- and 8-port standard function factory line switches with narrow housings. FL SWITCH SFN supports quick and cost-effective Ethernet network expansion to the field level. The switches include as many as two glass fiber ports provided in SC or ST format. Optional fiber optic ports may be used to extend the segment length up to 20 km and achieve data transmission rates of 100 Mbps. FL SWITCH SFN provides the auto negotiation function through the twisted pair ports and offer transmission speeds of 10/100/1000 Mbps depending on the switch version. In addition, the switches support mixed operation for the connection of segments with different data transmission speeds. With additional gigabit performance, alarm contact, redundant power input capability, and narrow housings, the switches are well-suited for universal remote use in control cabinets and junction boxes.