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- IBM_1009 abstract "The IBM 1009 Data Transmission Unit was an IBM communications controller introduced in 1960. The 1009 used the Synchronous transmit-receive (STR) protocol to transfer data at 150 characters per second (cps) over a single point-to-point dial or leased telephone line. The system was advertised as being able to "link the magnetic core memories of IBM 1401 computers over telephone lines."The 1009 attached to IBM 1400 series computers such as the 1401In 1961 the transmission rate was doubled to 300 cps.In 1962 the 1009 was part of a test of data communications using the Telstar satellite to link two 1401 computer systems.".
- IBM_1009 wikiPageExternalLink 102650422.
- IBM_1009 wikiPageID "37008975".
- IBM_1009 wikiPageRevisionID "586041521".
- IBM_1009 hasPhotoCollection IBM_1009.
- IBM_1009 subject Category:1962_in_spaceflight.
- IBM_1009 subject Category:Communications_satellites.
- IBM_1009 subject Category:IBM_mainframe_computers.
- IBM_1009 subject Category:IBM_transistorized_computers.
- IBM_1009 subject Category:Link_protocols.
- IBM_1009 comment "The IBM 1009 Data Transmission Unit was an IBM communications controller introduced in 1960. The 1009 used the Synchronous transmit-receive (STR) protocol to transfer data at 150 characters per second (cps) over a single point-to-point dial or leased telephone line.".
- IBM_1009 label "IBM 1009".
- IBM_1009 sameAs m.0n45s_3.
- IBM_1009 sameAs Q5968559.
- IBM_1009 sameAs Q5968559.
- IBM_1009 wasDerivedFrom IBM_1009?oldid=586041521.
- IBM_1009 isPrimaryTopicOf IBM_1009.