Folder 975 Division - Signaling Systems

Signaling Systems

Documents

pdf 975-000-000 I13 Popular

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975-000-000_I13.pdf

975-000-000 I13
Contributed by Sam Etler .

pdf 975-000-000-se Popular

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975-000-000-se.pdf

975-000-000-se

Numerical Index - Division 975 - Signaling Systems - General
Descriptive Information, Issue 13, 1980-10-01, 1 page

pdf 975-110-100 i2 Jan80 - Customer Loop Signals and Signaling Systems Popular

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975-110-100_I2.pdf

975-110-100 i2 Jan80 - Customer Loop Signals and Signaling Systems

Contributed by Russ Kirk.

pdf 975-110-100-se Popular

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975-110-100-se.pdf

975-110-100-se

Customer Loop Signals and Signaling Systems, Issue 2,
1980-01-01, 20 pages

pdf 975-115-100 i1 Jun57 - Signals & Signaling Systems between Offices Popular

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975-115-100_I1.pdf

975-115-100 i1 Jun57 - Signals & Signaling Systems between Offices

Contributed by Russ Kirk.

pdf 975-115-100-se Popular

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975-115-100-se.pdf

975-115-100-se

Signals and Signaling Systems Between Offices - Used in
Message Telephone Service - General Descriptive Information, Issue 1,
1957-06-01, 37 pages (Note: SE didn't create this PDF. Probably came from
the CIC but?SE doesn't know for sure. SE has a paper copy and they seem to be
exactly the same.)

pdf 975-120-100 i1 Jan80 - Interoffice Signals & Signaling Systems Popular

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975-120-100_I1.pdf

975-120-100 i1 Jan80 - Interoffice Signals & Signaling Systems

Contributed by Russ Kirk.

pdf 975-120-100-se Popular

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975-120-100-se.pdf

975-120-100-se

Interoffice Signals and Signaling Systems, Issue 1,
1980-01-01, 33 pages

pdf 975-215-100 I2 Popular

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975-215-100_I2.pdf

975-215-100 I2
Contributed by Russ Kirk.

pdf 975-215-100-se Popular

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975-215-100-se.pdf

975-215-100-se

2400- or 2600-Cycle Single-Frequency Signaling System -
General Descriptive Information - Toll Systems, Issue 2, 1958-09-01, 16
pages

pdf 975-230-100 I2 Popular

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975-230-100_I2.pdf

975-230-100 I2
Contributed by Russ Kirk.

pdf 975-230-100-se Popular

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975-230-100-se.pdf

975-230-100-se

DX Signaling System - General Descriptive Information, Issue
2, 1975-05-01, 9 pages

pdf 975-240-100 I3 Popular

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975-240-100_I3.pdf

975-240-100 I3
Contributed by Russ Kirk.

pdf 975-240-100-se Popular

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975-240-100-se.pdf

975-240-100-se

Type E Single-Frequency Signaling System - General
Descriptive Information, Issue 3, 1980-01-01, 23 pages

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Thanks for new documents from Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

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