Neutral direct-current telegraph system

In telecommunication, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-Morse system) is a telegraph system in which (a) current flows during marking intervals and no current flows during spacing intervals for the transmission of signals over a line, and (b) the direction of current flow is immaterial.

See also

  • Electronics portal
  • Energy portal


    :This article incorporates:public domain material from the General Services Administration document: "Federal Standard 1037C". (in support of MIL-STD-188)

    This article is copied from an article on Wikipedia® - the free encyclopedia created and edited by its online user community. This article is distributed under the terms of GNU Free Documentation License.