Penguin

Acronym for Small Form-factor Pluggable


Used throughout Cisco's Product range to provide versitility amoungst their Gigabit uplinks.


Cisco offers a range of Gigabit Interface Converters (GBICs) and Small Form-factor Pluggable (SFP) for Gigabit Ethernet use. These small, modular optical interface transceivers offer a convenient and cost effective solution for the adoption of Gigabit Ethernet in data center, campus, metropolitan area access and ring networks, and storage area networks.

Have a look at Cisco's SFP Range


Also Look at GBIC