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Planet ISDN NuBus card

A Planet ISDN NuBus card, dated November 1992.

Planet ISDN was a brand of Integrated Services Digital Networking (ISDN) peripherals marketed by SAT/SAGEM for early Macintosh computers.


SAT/SAGEM first released a Planet ISDN NuBus card for the Macintosh II series at a list price of $2.995 in the early 1990s.[1] These were superseded by a version for GeoPort in 1996.[2] A USB version was released in 1999 and supported a bit rate of up to 128 kbps.[3]


  1. What is a Mac PLanet? by Stuart Brainer, Very Computer. 1995-07-15.
  2. Sagem Announces U.S. Version of ISDN GeoPort Adapter; Built-in NT1 Offers Users Easy Set-up, IndexArticles. 1996-08-06.
  3. SAGEM Planet-ISDN USB Adapter, MacTech. 1999-06-18.
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