In Cisco switch, what are these physical port groups called? - Cisco Community
TP-Link PoE Switch 16-Port Gigabit, 8 802.3af/at PoE+ ports up to 30 W for each PoE port and 150 W for all PoE ports, Metal Casing, IGMP Snooping, Port Mirroring, VLAN (TL-SG1016PE) :
SFP Port Meaning Explained, What is SFP on a Switch? - QSFPTEK Blog
Ethernet Switch Port Types: What Are They? | FS Community