# IBM 3767

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'''IBM 3767 Communication Terminal''' is a serial  [printer terminal](/source/Computer_terminal) that employed [dot matrix](/source/dot_matrix) print-head technology and, for the first time, the [Synchronous Data Link Control](/source/Synchronous_Data_Link_Control) (SDLC) communications protocol set under IBM's [Systems Network Architecture](/source/Systems_Network_Architecture) (SNA).  It was introduced in 1974 and was used widely during the late 1970s to 1990s, for attachment to IBM [System/360](/source/System%2F360) and [System/370](/source/System%2F370) [mainframe](/source/Mainframe_computer) computers and IBM System/7 as an alternative to a 2741 typewriter terminal.

thumb|right|250px|IBM 3767 Communication Terminal

== Needs for more efficient computer terminals ==

During the late 1960 and 1970s, the computing environment expanded beyond the large computer rooms based on card input/output and started to allow data input and output terminals from remote locations.  For such purposes, printer terminals such as the [IBM 2741](/source/IBM_2741), using the traditional [asynchronous serial communication](/source/asynchronous_serial_communication) (start-stop signaling), and display terminals such as [IBM 2260](/source/IBM_2260) and [IBM 3270](/source/IBM_3270), using the new communications protocol set ([Binary Synchronous Communications](/source/Binary_Synchronous_Communications) or BSC), became available.

There were needs to use a new more efficient communications protocol set and to make available a more efficient and reliable remote printer and display terminals.  To satisfy such needs, IBM 3767 serial printer and [IBM 3770](/source/IBM_2780%2F3780) communications system (including a line printer) became available as part of the "[Advanced Communications Function](/source/Advanced_Communications_Function)" (ACF) announcement which included the new [System Network Architecture](/source/System_Network_Architecture) (SNA) and Synchronous Data Link Control (SDLC) communications protocol set, followed by another announcement in July, 1975, which included IBM 3760 Data Entry Station and the new models of [IBM 3270](/source/IBM_3270) display stations, and [IBM 3790](/source/IBM_3790) communication system.

==3767 functions, features and models==
IBM 3767 Communication Terminal had the following functions:
* IBM's own wire matrix, serial print-head technology
* Keyboard
* Communications: SNA/SDLC or BSC
* Communications speed from 200/300 to 19,200 bits per second
* US English or one of the world's other major languages

There were several models depending on the following features:
* 80 or 120 printing positions
* With or without internal modem
They attach to IBM [System/360](/source/System%2F360) or IBM [System/370](/source/System%2F370) mainframe computers through [IBM 3705](/source/IBM_3705) communications controllers, and supported by 3705 [Network Control Program](/source/IBM_Network_Control_Program) and mainframe software such as [CICS](/source/CICS) and [IMS](/source/IBM_Information_Management_System).

IBM 3767 was developed by IBM Systems Development Division's [Fujisawa](/source/Fujisawa%2C_Kanagawa) (later [Yamato](/source/Yamato%2C_Kanagawa)) laboratory in Japan.  It was manufactured at IBM [Research Triangle Park](/source/Research_Triangle_Park) plant in [North Carolina](/source/North_Carolina), United States, [Fujisawa](/source/Fujisawa%2C_Kanagawa) plant, and [Greenock](/source/Greenock), Scotland, plant in UK.

=={{Visible anchor|IBM 3760}}==<!--- which hosted the IBM 3767 Terminal -->
The '''IBM 3760''' Data Entry Station was announced in 1975, and included the IBM 3767 as an attached terminal.<ref name=IBMgreen3760>{{citation
  |url=http://ed-thelen.org/comp-hist/IBM-ProdAnn/3760.pdf
  |title=IBM 3760 Dual Key Entry Station}}</ref> The ''3760'' was part of the [IBM 3790](/source/IBM_3790) distributed processing family.

==See also==
* IBM [System/360](/source/System%2F360) and [System/370](/source/System%2F370)
* [IBM 2741](/source/IBM_2741)
* [IBM 3770](/source/IBM_3770)
* [IBM 3270](/source/IBM_3270)
* [Systems Network Architecture](/source/Systems_Network_Architecture) (SNA) and [Binary Synchronous Communications](/source/Binary_Synchronous_Communications) (BSC)
* IBM SYSTEM/7

==References==
* IBM 3767 Communication Terminal Operator's Guide (IBM System Reference Library manual GA18-2000)
{{reflist}}

==External links==
* [https://ieeexplore.ieee.org/Xplore/login.jsp?url=/iel5/85/30428/01401745.pdf?temp=x IBM history of Far Eastern Languages in Computing. Part 3. IBM Japan taking the lead, accomplishments through the 1990s] (IEEE Annals of the History of Computing, Volume 27, Issue 1, Jan.-March 2005)
* [https://bitsavers.org/pdf/ibm/sna/GA27-3099-1_Advanced_Functions_for_Communications_System_Summary_197507.pdf GA27-3099 Advanced Functions for Communications System Summary (bitsavers)]

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Adapted from the Wikipedia article [IBM 3767](https://en.wikipedia.org/wiki/IBM_3767) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/IBM_3767?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
