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In facsimile systems, the effective recorded spot dimension measured in the direction of the recorded line. Note 1: By “effective recorded spot dimension” is meant the largest center-to-center spacing between recorded spots, which gives minimum peak-to-peak variation of density of the recorded line. Note 2: “X-dimension of recorded spot” implies that the facsimile equipment response to a constant density in the object (original) is a succession of discrete recorded spots.
Synonym altazimuth mount.
Sets of data telecommunications protocols and interfaces defined by CCITT (now, ITU-T) Recommendations. Note: Some of the more common X.-series Recommendations are:
- X.25: A Recommendation for public packet switched communications between a network user and the network itself.
- X.75: A Recommendation for public packet switched communications between network hubs.
- X.400: An addressing scheme for use with e-mail.
- X.500: An addressing scheme for directory services.
Any type of DSL Technology (x=type)
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