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SFP optical module



SFP optical module products are relatively late optical modules, but also the most widely used optical module products.


SFP optical module concept

SFP (Small Form-factor Pluggables) Many people understand it as an upgraded version of GBIC. SFP optical module volume is reduced by at least half of the GBIC optical module, and more than twice the number of ports can be configured on the same panel. As the SFP module in function and GBIC basically the same, therefore, some switches are also known as miniaturized GBIC (Mini-GBIC).


SFP optical module development

GBIC and SFF in the development of optical modules have had a very extraordinary history, with the rapid development of the network, they are gradually replaced by SFP optical module.

SFP optical module is the development of SFF and GBIC optical module, because SFF and GBIC is 1X9 optical module after the two directions of the development of products, have their own advantages: miniaturization and hot swap.


SFP optical module inherited the GBIC hot-swappable features, but also learn from the advantages of SFF miniaturization. Using LC head, the volume is only GBIC module 1/2 to 1/3, greatly increasing the port density of network equipment to adapt to the rapid development of the network trend, so get the most extensive application, the main Equipment manufacturers, without exception, to abandon the GBIC products, only the use of SFP optical module products. As a result of a unified standard, the manufacturers of SFP products can be compatible, SFP products can be used as a separate network equipment procurement.


Although there are many higher-tech, updated optical module products, SFP optical modules will continue to exist for a long time. After SFP, the development of optical modules is mainly toward a higher rate of development, now has appeared 10G, 40G, 100G and other optical modules. Which SFP + optical module is believed to be widely used after SFP generation of products.


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