1969 IBM 2770 DATA COMMUNICATION SYSTEM ( Extended Version ) Bisync 360

030821 Like and subscribe. This is an archive, check the link in the end if you are owner. ** {Extended Version-- includes 2 mins of restoration edits and brief appendix added} Computer History 1969: An IBM technical & sales film announcing the IBM 2770 Data Communication System. Each piece of hardware is described by the narrator. The 2770 utilized bisynchronous communication protocol, which provided access to multiple input-output devices. It was often used in conjunction with the System\360 mainframe or other large computers. A vintage IBM corporation film. Mid-Century computing technology - Color, run time: 8 mins. The 2770 was developed by the IBM General Products Division in Rochester, Minnesota. It was also used at the IBM center, Research Triangle Park (RTP), in North Carolina in the 1970's.

{Binary Synchronous Communication (Bisync) is an IBM communications protocol announced in 1967 after the introduction of the IBM System/360 mainframe. It replaced the synchronous transmit-receive (STR) protocol used with earlier second generation computers. At one time Bisync was the most widely used communications protocol. It is still in limited use today.}

ACKNOWLEDGEMENTS: - -

Max Campbell, IBM Archives
https://www.ibm.com/ibm/history/

Dag Spicer, Computer History Museum
Mountain View, California
http://www.computerhistory.org

Ed Thelen (IBM 2770 Product Brochure)
http://ed-thelen.org/comp-hist/IBM-ProdAnn/2770.pdf

SpeakeasyArchives.com
https://www.speakeasyarchives.com/

2k and 4k Stock Film
PeriscopeFilm.com
http://www.periscopefilm.com
https://rumblevideoarchive.wordpress.com/