MSA Specifications

The CWDM4 MSA targets a common specification for low cost 100G optical interfaces that run up to 2 km in data center applications. The MSA uses CWDM (Coarse Wavelength Division Multiplexing) technology with 4 lanes of 25 Gb/s optically multiplexed onto and demultiplexed from duplex single mode (SMF) fiber. 100G CWDM4 MSA Technical Specifications Revision 1.0 (pdf)

MSA Objectives and Specification Status (pdf) (presented at Ethernet Alliance 40G/100G Meeting, April 2014)

Founding Members

Press Releases

All Members >>
New Member Interest Application (pdf)
September 9, 2014 - CWDM4 MSA Releases Detailed Specification for Low Cost 100G Optical Interfaces Targeting Data Center Applications (pdf)

March 31, 2014 - CWDM4 MSA Group to Support Deployment of 2km 100G Links in Data Centers (pdf)