I found this old 650VA Bestpower Fortress from ~1993 (and 6 more like it) at a store clearout the other day. View image: /infopop/emoticons/icon_biggrin.gif<P>Anyway ...
The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...
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