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TraNOR is a computer with a CPU built from discrete transistors, designed and built by Dennis Kuschel: mynor.org/tranor.htm
VCFe 24.0 Exhibition No 25.
Internet POPs in late 1990ies and early 2000 usually had to terminate lots of analog phone lines, which modems used to connect to the provider. This exhibition showed different equipment by Cisco and Agfeo and tried to bring up the entire system.
In 1977 the German electronics magazine Elektor published schematics for a DIY computer based on the SC/MP CPU by National Semiconductor: en.wikipedia.org/wiki/National_Semiconductor_SC/MP
VCFe 24.0 exhibition No 18.