SFP Transceiver Modules - hot-pluggable module, the greatest rate up to 10G, multi-use LC interfaces. SFP(small form pluggable) can be understood since the upgrade version of GBIC. SFP module volume ratio reduced by half than GBIC module, the identical panel could be configured in additional than double of ports. Other functions of SFP Module are do i think the GBIC basicly . Items like Cisco SFP 1.25G 1310NM 10KM | GLC-LH-SM(cisco mini gbic) tend to be smaller and so are just about half the dimensions of GBIC optics. These modules send speeds that range between 100Mbps to about 4+Gbps. Their transmission length begins at approximately 500 meters and goes up to 120+ kilometers.This type of transceivers provide customers with a very convenient and affordable solution for finding a large area of habitat in metropolitan area access, data center, and ring networks, campus and storage area networks. Cisco SFP 1.25G which believes in their motto of meeting commitment and excellence offers a wide set of choices in regard of protocols, speeds, reaches and transmission media support. They provide customers with cisco 1.25g sfp 1550nm 40km a larger range of interfaces which are detachable to multimode or single-mode type of optic fibers along with coaxial or UTP electrical cables. In addition to this transportation of LAN packets through TDM-based WAN and also streams over the packet-switching networks.