What is SFP Transceiver(SMALL FORM PLUGGABLE TRANSCEIVER)?

SFP is SMALL FORM PLUGGABLE (Small Form Factor Pluggable) acronym, it can be simply understood as an upgraded version of GBIC. SFP GBIC module module volume reduction than half the size of a thumb. More than double the number of ports can be configured more on the same panel. Other features SFP and GBIC modules basically the same. Some switch vendors said the SFP module as small GBIC (MINI-GBIC).

Constitute SFP optical module are:

Laser (TOSA includes a transmitter with the receiver ROSA) and board IC and external parts constitute the external accessories there are housing base, PCBA, pull ring, snap, unlock, rubber stopper composition, in order to facilitate identification generally pull ring The parameter type color discrimination module.

Divided according to the rate of 155M / 622M / 1.25G / 2.125G / 4.25G / 8G / 10G, 155M 1.25G market and more on the use, 10G technology is maturing, with rising demand for positive attitude development. 

Divided by wavelength 850nm / 1310nm / 1550nm / 1490nm / 1530nm / 1610nm, a wavelength of 850nm to SFP multimode, transmission distance 2KM less wavelength is 1310 / 1550nm for single-mode transmission distance 2KM above, relatively speaking it three wavelengths cheaper price than the other three. If you do not identify the naked module can easily be confused, general manufacturers will be distinguished in color tab, such as: black pull ring is multimode, the wavelength is 850nm; blue is the wavelength of 1310nm module; yellow is the wavelength of 1550nm module ; purple is the wavelength of 1490nm of modules.

We are an manufacturer of SFP+ Transceiver, If you need, pls contact me.

Email: gloria@nemengine.com

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