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Neutral direct-current telegraph system
In telecommunication, a neutral direct-current telegraph system (single-current system, single-current transmission system, single-More 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.
Source: from Federal Standard 1037C and from MIL-STD-188
Last updated: 06-03-2005 18:09:34
03-10-2013 05:06:04
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details