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Commodore BTX-II "Bildschirmtext" decoder
& Amiga BTX cable


cbm/modems/btx-ii.gif
This strange beast in the modem realm is actually an interface to a proprietary German service. On the back is a round DIN to connect to a proprietary interface to the users phone line. Two others connect to one or two external monitors. A second monitor was apparantly required by this expensive, unpopular service. The unit was manufactured by Siemens in cooperation with Commodore, and then marketed by Commodore. The "Loewe" version, in contrast, required a special terminal screen made by them, while using the C64 as a keyboard.

The Amiga version of the decoder is little more than a cable that plugs into the Amiga parallel port, and has the same round DIN on the other end. All of the modem-work is done in software. This decoder, then, is even less of a "modem" than the Commodore 8-bit version, but is still included here for completeness.



cbm/modems/btx.gif

Model      : BTX
Connection : BTX Proprietary line
Interface  : C64/C128 Expansion port
Speed      : ?
Notes      : "Bildschirmtext" service only





cbm/modems/btx-ii.gif

Model      : BTX-II
Connection : BTX Proprietary line
Interface  : C64/C128 Expansion port
Speed      : ?
Notes      : "Bildschirmtext" service only





cbm/modems/BTXFurLoewe.gif

Model      : BTX-Steckmodul Fur Loewe
Connection : BTX Proprietary line
Interface  : C64/C128 Expansion port
Speed      : ?
Notes      : "Bildschirmtext" service only



cbm/modems/amiga-btx.gif

Model      : Amiga BTX cable
Connection : BTX Proprietary line
Interface  : Amiga Parallel Port
Speed      : ?
Notes      : "Bildschirmtext" service only


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