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Many people do not know the difference between sfp and sfp+, so it sometimes brings unnecessary trouble. The 10G module has undergone development from 300Pin, XENPAK, X2, and XFP, and finally realized the transmission of 10G signals in the same size as the SFP. This is SFP+. With its advantages of miniaturization, low cost and other advantages, the SFP has met the high density requirements of optical modules for equipment. It has been implemented since 2002 and has replaced XFP as the mainstream of the 10G market by 2010.
SFP+ optical module advantages:
1. SFP+ has a more compact form factor than the X2 and XFP packages (same size as SFP);
2, can be directly connected with the same type of XFP, X2, XENPAK;
3, the cost is lower than XFP, X2, XENPAK products.
The difference between SFP+ and SFP:
1, SFP and SFP+ have the same appearance size;
2, SFP protocol specification: IEEE802.3, SFF-8472;
The difference between SFP+ and XFP:
1. Both SFP+ and XFP are 10G fiber modules and can communicate with other types of 10G modules.
2, SFP+ is smaller than XFP;
3. Because of its smaller size, the SFP+ will perform signal modulation functions, serializer/deserializer, MAC, clock and data recovery (CDR), and electronic dispersion compensation (EDC) functions from the module to the motherboard card;
4, XFP compliance agreement: XFP MSA agreement;
5, SFP + comply with the agreement: IEEE 802.3ae, SFF-8431, SFF-8432;
6. SFP+ is a more mainstream design.
3, SFP+ protocol specification: IEEE 802.3ae, SFF-8431, SFF-8432.