C form-factor pluggable
The C form-factor pluggable (CFP) is a multi-source agreement to produce a common form-factor for the transmission of high-speed digital signals. The c stands for the Latin letter C used to express the number 100 (centum), since the standard was primarily developed for 100 Gigabit Ethernet systems.
CFP standardization
The CFP transceiver is specified by a multi-source agreement (MSA) between competing manufacturers. The CFP was designed after the small form-factor pluggable transceiver (SFP) interface, but is significantly larger to support 100 Gbit/s. While the electrical connection of a CFP uses 10 x 10 Gbit/s lanes in each direction (RX, TX)[1] the optical connection can support both 10 x 10 Gbit/s and 4 x 25 Gbit/s variants of 100 Gbit/s interconnects (typically referred to as 100GBASE-SR10 in 100 meter MMF, 100GBASE-LR10 and 100GBASE-LR4 in 10 km SMF reach, and 100GBASE-ER10 and 100GBASE-ER4 in 40 km SMF reach respectively.)[2]
In March 2009, Santur Corporation demonstrated a 100 Gigabit pluggable CFP transceiver prototype.[3]
Supported signals
CFP transceivers can support a single 100 Gbit/s signal like 100GbE or OTU4 or one or more 40 Gbit/s signals like 40GbE, OTU3, or STM-256/OC-768.
See also
References
- ^ "CFP MSA Hardware Specification, Rev. 1.4" (PDF). Retrieved 2010-07-02.
- ^ "Operational Considerations for Deploying 100 Gigabit Ethernet" (PDF). Retrieved 2012-01-12.
- ^ "Santur Delivers the World's First 100Gb/s Transceiver Platform for Client Connectivity Based on Photonic Intelligent Integration". news release. March 23, 2009. Archived from the original on July 20, 2009. Retrieved May 27, 2013.
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