Shopping Cart Shopping Cart 0 items
info@oldcomputerbooks.com
Item Details
Data Set 103A Interface Specification february 1967; AND, Data Sets 402C and 402D Interface Specification, november 1964. Bell System Data Communications Technical Reference.

Data Set 103A Interface Specification february 1967; AND, Data Sets 402C and 402D Interface Specification, november 1964.

American Telephone & Telegraph Company, Engineering Director Data Communications, 1964 and 1967, 21 pages and 10 pages, double-column text, illustrations and some photographs.
Condition: Very Good, 8.5x11 turquoise-blue cardstock covers, softcover, with white lettering on covers and white along spine margins; hole-punched at margins, stapled bindings are secure, pages clean and unmarked.
Price: $20.00
Item no. R302
Item Description
Includes two Technical Reference manuals -- Data Sets 402C and 402D Interface Specification, November 1964 AND Data Set 103A Interface Specification, February 1967
Includes sections on interface - connector, transmitter, receiver, sequence of manipulation for data communication, establishing a Data-phone service call, point-to-point private line service, multi-point private line service and more; Applications - locations, telephone lines, reverse channel, coonection of data sets to the same line etc; Operation, Grounding, Compatibility, testing, performance, functional description, comparison with earlier models

and pin assignments, circuit functions, modulation rate, controls, system operation, return to voice mode, much more.