SM-IV-A1 LMN Adapter 

SM-IV-A1 LMN adapter (BAB) for modern metering devices of the EFR SGM-C4/C2 family 

This LMN adapter allows modern metering devices of the SGM-C4/C2 series to be securely connected to a smart meter gateway in accordance with the provisions of the Measuring Point Operation Act (MsbG) and the BSI. Valid type test certificates are available for the adapter. 

The LMN-BAB adapter supports secure connection of the modern metering device to the smart meter gateway (SMGW) in compliance with TR-03109. The communications interface of the modern metering device uses the SML protocol in accordance with DIN 62056.21 to send data to the LMN adapter connected to the LMN interface of the SMGW. In addition to these features, the requirements of technical guideline TR-03109 and in particular the provisions of the FNN requirements specification for interfaces and adapters are applicable.