Small Form-factor Pluggable Transceiver

Small Form Factor Pluggable SFP fiber optic transceivers on the market, a common type in the full name. The transceiver can be treated simply as an upgraded version of the GBIC Module. SFP GBIC module half the size of the port number configured on the same panel is twofold. Because of the small form-factor pluggable transceiver is the same function with GBIC, SFP transceiver is also known as mini-GBIC.

By CDR and electronic dispersion compensation module, SFP transceiver module size and power consumption is greatly compressed.
Google is buying its own Gigabit Ethernet switch, in order to meet the needs of the data center database system design and production of a large number of SFP + modules.