3COM SFP Fiber Module family of SFP (Small Formfactor Pluggable) transceivers are industry standard. hot-swappable devices that plug into a Gigabit Ethernet port. linking it with either a fiber- or copper-based network. 3COM SFP Fiber Module With the ability to intermix different media types of SFPs on a single switch. these SFPs provide flexibility. and gigabit performance in a small form factor.