What are SFP ports on a Gigabit switch and what are they used for?

sfp slot switch   Dan sfp slot meaning

The TP-LINK TL-SG2109WEB is a web smart switch with 8 101001000Mbps ports and 1 SFP slot supporting Mini GBIC modules It integrates advanced management and

An SFP port is a physically small slot in a networking device that accepts an SFP module switch may only have an RJ45 port but no SFP port  8-Port Gigabit Managed L2 switch with 4 combo SFP ports · DGS-3700-12 · SPECIFICATION Interface 8 10100

thai lottery global Buy HANUTECH 6 Port Gigabit Ethernet Fiber Switch 4 SFP Fiber Port 2 RJ45 UTP Port Unmanaged 6 Ports 1000 Mbps Network Switch only for Rs 7999 from F1118P-16-150W is a IP-COM PoE switch that offers 16 10100 Mbps Base-TX RJ45 ports, 1 101001000 Mbps Base-T RJ45 ports, and 1 1000 Mbps Base-X SFP port