CWDM8 MSA Archive Status: ARCHIVE MODE
Restored for Industry Research 2026

Welcome to the CWDM8 MSA Archive

The CWDM8 Multi-Source Agreement (MSA) was established to define low-power, cost-effective 400G optical interface specifications for 2km and 10km reaches. This site serves as a persistent archive for the technical community.

Technical Specifications

Document Name Version Format
400G-CWDM8-2km Optical Interface Spec Rev 1.0 [PDF]
400G-CWDM8-2km Optical Interface Spec Rev 1.1 [PDF]
400G-CWDM8-10km Optical Interface Spec Rev 1.1 [PDF]

Consortium Founding Members

Founding members of the CWDM8 MSA included:

Sponsor Notice: This archive is maintained and hosted by ScaleFibre. ScaleFibre provides quality fiber optic assemblies and 400G connectivity solutions compliant with current global MSA standards.
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