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Null modem

Updated: 04/26/2017 by Computer Hope

A communications method that does not utilize a modem. For example, two computers joined directly by a null modem cable utilizing the RS-232 port are said to be a null modem setup because they can communicate with no modem.

Related information

  • How to set up a direct cable connection in Windows 95 and 98.
  • Modem help and support.

Modem terms, Null, Null modem cable

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