Trying to understand SFP ports on switches : rnetworking

Trying to understand SFP ports on switches : rnetworking sfp slot switch Economical industrial switch with POE+ port and flexible SFP fiber uplinks · Provides eight 101001000-Mbps PoE+ RJ-45 ports and four multispeed Gigabit SFP sfp slot You may wonder what the SFP slot is for on your switch Basically, you can connect IP devices

sfp slot The Edimax Pro GS-5208PLG-V2 is a web-smart switch with 8 Gigabit PoE+ and 2 Gigabit SFP ports Designed for medium to small network environments,

sfp slot switch PoE switches are ideal for corporate clients in networks that use VoIP-services, wireless access points and network cameras Switch DGS-1510-28P 24-port PoE As for connecting a switch with SFP ports to a switch with only Ethernet ports, a 10GBASE-T copper or 1000BASE-T SFP module should be plugged