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Step-by-Step Systems, No.1, 350A, 355A, 360A, or 35-E-97 200 Point Line or Trunk Finder 3 Wire
General and introductory info on topics including Manual, Step-by-Step (SxS), Panel, Crossbar (Xbar) and ESS.
Scanned and Contributed by Paul Wills.
KS-5472 1000 Cycle Machine
J94002 Sending Panel
9A Transmission Measuring Set
12A Transmission Measuring Set
J94020A Transmission Measuring Set
Loss Measuring Equipment
Gain Measuring Equipment
August 1962, 153 pages. Replaced previous version. Contributed by Steve Flocke. Scanning and OCR by John Novack.
Includes SD-80643-011 5D Ringing Circuit, SD-66359-011 9D Selector Circuit, SD-66384-011 19D Misc. Alarm Circuit, SD-66410-011 Linefinder Circuit, SD-66413-011 16D Connector Circuit, SD-66414-011 9D Station Line Circuit, and SD-66607-011 4D Trunk Circuit.
Computer Maintenance and Administration Support.
Contributed by Steve Cichorsky.
Contributed by Fred Haynes. Processed by Clint Gilliland.
Issue 2, March 1950. Used in radio telephone control terminals. Referenced in drawings SD-59193-01 and T-59193-80. Contributed by John Novack.
Contributed by John Novack.
SD 32539-01, Issue 19A
No.1, 350A, 355A, 360A or 35E97
Coin Trunk Circuit
For use preceding a first selector serving coin lines arranged prepay or coinless access to specified numbers
Service Observing Desks and Sets
Common Systems Master Key Sheet
Scanned and Contributed by Paul Wills
Thanks for new documents from David Gruger, Jeff Lamb, Walt Aydelotte, Dennis Hock, Steve Flocke, Paul Wills, Sam Etler, Fred Haynes, John Novack, Clint Gilliland, Steve Cichorsky and Karl Brose.
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