Transcode (character encoding): Difference between revisions

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Revision as of 07:56, 14 September 2016

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'''Transcode''', or ''Transmission Code'', was a 6-bit plus parity [[BCD (6-bit)|BCD]] [[character encoding|character set]] which was used by [[IBM]] for a short time for [[Binary Synchronous Communications|Binary Synchronous communications]]. The [[IBM 2780]] data transmission terminal was announced with Transcode support in 1967. The [[IBM 2780#3780|IBM 3780]] data communication terminal, the 2780 successor announced in 1972, dropped Transcode support.

Transcode was a 64 character set including twenty-six upper case alphabetic characters, ten numerics, thirteen special characters, and sixteen [[control characters]]. Characters were transmitted with [[odd parity]].<ref>{{cite book|last=IBM Corporation |title=Component Description: IBM 2780 Communications Terminal |year=1971 |url=http://computer-refuge.org/bitsavers/pdf/ibm/27xx/GA27-3005-3-2780_Data_Terminal_Description_Aug71.pdf |deadurl=yes |archiveurl=httphttps://web.archive.org/web/20110929024649/http://computer-refuge.org/bitsavers/pdf/ibm/27xx/GA27-3005-3-2780_Data_Terminal_Description_Aug71.pdf |archivedate=September 29, 2011 }}</ref>

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