Cisco SFP-10G-SR Transceiver Module 10G-Base SFP. ● Hot-swappable input/output device that plugs into an Ethernet SFP+ port of a Cisco switch (no need to power down if installing or replacing). ® 10GBASE SFP+ modules give you a wide variety of 10 Gigabit Ethernet connectivity options for data centre, enterprise wiring closet, and service provider transport applications.