SFP + For Telecommunications Data Communications Applications
SFP + can be easily understood as an upgraded version of GBIC. The SFP module (which is half the size of the GBIC module and can be configured with more than twice the number of ports on the same panel. Since the SFP module is basically the same as the GBIC function, SFP+ it is also known by some switch manufacturers as miniaturized GBIC -GBIC.) The SFP module compresses the size and power consumption by placing CDR and electro-dispersion compensation outside the module for optical communication applications in telecommunications and data communications.SFP connection network equipment such as switches, routers and other devices Motherboards and fiber or UTP cables. SFP + is an industry specification supported by some fiber optic device providers.
SFP + For Telecommunications Data Communications Applications
SFP + supports SONET, Gigabit Ethernet, Fiber Channel, and some other communication standards. This standard extends to SFP + and supports 10.0 Gbit / s transfer rates, including 8 gigabit Fiber Channel and 10GbE. With the introduction of the fiber and copper version of the SFP + module version, SFP+ compared to the module's Xenpak, X2 or xfp version, the SFP + module will be part of the circuit to stay on the motherboard implementation, rather than within the module

SFP + can support 10.0 Gbit / s transfer rates, SFP+ including 8 gigabit Fiber Channel and 10GbE. Introduced the fiber and copper version of the SFP + module version, compared with the module Xenpak, X2 or XFP version, SFP + part of the circuit to stay on the motherboard implementation, rather than module implementation

SFP + Advantages:
1, SFP + has a more compact form factor (same size as SFP) than X2 and XFP packages;
2, and the same type of XFP, X2, XENPAK direct connection;
3, the cost is lower than XFP, X2, XENPAK products.
Differences between SFP + and SFP:
1, SFP and SFP + appearance of the same size;
2, SFP protocol specification: IEEE802.3, SFF-8472;
Differences between SFP + and XFP:
1, SFP + and XFP are 10G fiber modules, SFP+ and with other types of 10G modules can be interoperable;
2, SFP + smaller than the XFP size;
3, because the smaller size of the SFP + signal modulation function, serial / deserializer, MAC, SFP+ clock and data recovery (CDR), and electronic dispersion compensation (EDC) function from the module to the motherboard;
4, XFP compliance protocol: XFP MSA protocol;
5, SFP + compliant protocols: IEEE 802.3ae, SFF-8431, SFF-8432;
6, SFP + is more mainstream design.
7, SFP + protocol specification: IEEE 802.3ae, SFF-8431, SFF-8432.

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