Posted in retro on May 19th, 2025
The Internet Archive is invaluable when working with old hardware or software when you need to go look at old version of a website to find manuals, drivers, or general info. Unfortunately a great number of files lived on FTP servers because the web wasn’t really up to hosting them in the 1990s, and many […]
TL;DR: I complain about my failings and show off pictures and log files. Later some gradual understanding of ISDN and why this probably won’t work with my particular version of the Courier I-modem with a U interface. In my telcom fiddlings to get a 56k dial-up modem to work I explored an Adtran Atlas 550 […]
TL;DR: replaced LH1056 solid state relay / optocoupler at U3 One of the USR Courier HST modems I purchased recently had a peculiar problem that if I plugged the phone line into the “wall” jack of the modem it returned NO DIALTONE when I tried to dial something, yet I was able to dial something […]
