microQSFP specification released

20 April 2016 Interconnection

The members of the microQSFP (micro Quad Small Form-Factor Pluggable) Multi-Source Agreement (MSA) group announced the release of the microQSFP Specification Version 2.0 allowing system designers, optical module manufacturers and copper cable assembly providers across the industry to develop next-generation hardware based on the microQSFP definition. The document includes final electrical, mechanical, thermal and management specifications of the microQSFP module and cage.

The microQSFP transceiver module uses a compact connector system sufficient for four input/output (I/O) electrical channels that supports direct attach copper cable assemblies, optical modules and active optical cable assemblies. Having the same width as the existing single-channel small form-factor pluggable (SFP) form factor, microQSFP ports offer the industry a familiar module, but with up to four times the data capacity.

This new form factor may be used with 1, 2 or 4 channels and its enhanced thermal features offer a way to support more thermally challenging applications. For example, microQSFP products could be used for 1- or 2-channel applications where higher thermal loads are required, such as 1x50 or 2x50 Gbps applications.

The microQSFP specification defines an electrical interconnect that provides 33% higher density than the existing QSFP (quad small form-factor pluggable) connector system, along with integrated thermal management features that significantly improve the thermal performance when compared with QSFP style connectors and cages.

microQSFP connector signal integrity performance will support existing industry specifications up to 28 Gbps per channel and it is intended to support 50 Gbps PAM4 requirements as well. It is also intended that future generations of microQSFP connectors will address higher data rates. When operating at 25 Gbps per channel, the solution enables up to 7,2 Tbps per 1RU line card with 72 ports.

For more information visit www.microqsfp.com.

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