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EmailSFP+ Connectors & Cages Overview
The SFP+ product family extends the use of the Small Form-Factor Pluggable (SFP) interconnect up to 10 Gb/s. This system meets the performance requirements of SFF (Small Form-Factor) specification SFF-8431 and supports 8G Fiber Channel and 10G Ethernet applications. The SFP+ product family includes cages, connectors, and copper cable assemblies.
16G SFP+ products were developed to further extend the SFP form factor for use in 16G Fibre Channel applications and provide additional margin in electrical performance at 10Gb/s SFP+ applications. The ganged (single-row) SFP+ cages are offered in two designs that address EMI containment: with EMI springs and with elastomeric gaskets. Single port cages are offered with EMI springs only. The cages come in single port, 1x2, 1x4, and 1x6 port configurations. Lightpipes are also an option for all SFP+ cage styles. 16G SFP+ cages are currently only offered with elastomeric gaskets. The 20 position SMT connectors for single-row applications include enhanced contact constructions for lower loss at the higher data rates. The SFP+ and 16G SFP+ connectors maintain compliance with the original SFP MSA, providing a drop-in replacement. However, an alternate PCB layout can be used to reduce impedance discontinuity at the host board termination area. As with the TE Connectivity SFP product family, copper cables are supported for SFP+ to provide a cost-effective solution for short reach applications. An EMI "skirt" is applied to the backshells, in compliance with SFF specification SFF-8432. Active and passive equalization are offered, with a simple pull-to-release latch mechanism. Optical LC connectors and cable assemblies are also available to plug into an optical transceiver.
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