Devices shall support the version of Interface Classes shown as current in the Blue Book.
An ESME shall support the ‘Class 9000’ as detailed in Section 22 of this GBCS.
Unless explicitly required in a predetermined script or the SMETS ‘Required Objects’ tab of the Mapping Table, Class 3 objects shall not have a reset method that is accessible external to the Device.
Unless otherwise stated, Generic Profile objects with a non-zero attribute 4 shall capture the first entry at midnight UTC.
The ESME shall have the constant values set for the DLMS COSEM attributes specified as requiring constant values in Table 7.3.8a, and shall ensure that such values cannot be amended, save via activation of new firmware.