Wired Connection Types 802.3 - Ethernet 802.8 - Fiber Optic Active Optical Cable (AOC) Cable Digital Subscriber Line (DSL) Direct Attach Copper (DAC) Fibre Channel (FC) InfiniBand (IB) Passive Optical Network (PON) SFP SFP+ QSFP／QSFP+ SFP28 QSFP28 QSFP-DD OSFP