What is the SFP port of a gigabit switch?

sfp slot switch   Dan sfp slot meaning

2 PORT ETHERNET + 8 PORT SFP This device provides 8 SFP slots and 2 RJ-45 ports that supports 101001000 Ethernet This product is also “all-fiber” capable

Introduction JHA-SW60824MGH is a high performance, cost-effective high-end managed industrial Ethernet switch The switch provides  SFP ports enable Gigabit switches to connect to a wide variety of fiber and Ethernet cables in order to extend switching functionality

most winning slot games 24-Port Gigabit Ethernet Fiber Switch Ports Interface: SFP SLOT AND RJ45; Operating Voltage: 0-60 DEGREE; Voltage mini-GBIC seems to be simply a let's add to the confusion description of an SFP module There's no shortage of available confusion,