https://www.systerra.de/EDS-SNMP_OPC_Server_Pro.html
Moxa's EDS-SNMP OPC Server Pro provides a user-editable Tag file for any SNMP device. Use the default MIB file, or create and edit a standard or private MIB to generate a dedicated Tag file. This powerful function lets operators use an existing HMI software environment to create a customized and real time view of the integrity of all Ethernet network devices ...
https://www.systerra.de/downloads.php?dokument=5487
https://www.systerra.de/downloads.php?dokument=11770