https://www.morningstarcorp.com/products/usb-meterbus-adapter/
USB MeterBus Adapter - Morningstar Corporation
Dec 14, 2022 - UMC-1, USB MeterBus Adapter, Morningstar Corporation, Accessory, Solar
usbadaptermorningstarcorporation
https://www.solarelectricsupply.com/solar-components/solar-charge-controllers/morningstar-charge-controllers/morningstar-accessories/morningstar-ethernet-meterbus-converter-emc-1
Morningstar EMC-1 Ethernet MeterBus Converter
The EMC-1 enables network and internet connectivity to any Morningstar product that features an existing MeterBus port (RJ-11).
morningstaremcethernetconverter