The Message Mapping Catalogue (MMC) specifies the translation of data that is created at the Device-level by smart meters and other associated devices into a format that is standardised and interpretable.
For the latest versions of the Message Mapping Catalogue (MMC) and the XML Schema, please visit the SECAS website and select "SEC Appendix AF - Messaging Mapping Catalogue" from the SEC Subsidiary Document section. *Please note the MMC Schema is embedded at the end of the MMC Document.