Hardware Asylum published Supra PiModem Project - Getting Retro PCs Online
A quote from the article:
No RetroPC project is complete without a dial-up modem. Problem is, landlines are a thing of the past and the software available on Retro machines was designed for the technology of the time. This project is designed to bridge the gap using modern technology so that our solution works and still looks exactly like a Supra FaxModem 288 from the outside.Supra PiModem Project - Getting Retro PCs Online