Folder WECo Step by Step (SxS)

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Folder SxS CO TEOs

Telephone Equipment Orders (TEOs) issued to describe cost estimates, detail equipment to be ordered, and provide an overview of the moves, adds and changes in central offices.  These describe the current inventory and proposed changes.

Documents

pdf 1925 - AT&T SxS Equipment Engineering Notes - Part 1 of 3 Popular

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1925_ATT_SxS_Equipment_Engineering_Notes_Part_1_tci.pdf

1925 - AT&T SxS Equipment Engineering Notes - Part 1 of 3

WARNING: Better copy needed! OCRed years ago from borrowed originals with software that replaced questionable text with "its" best guess. New text is in a different font than the original image. We found at least one date that says 1984, but was probably originally 1934. Still worth preserving as is.

192pp. Includes:
- Bulletin 215 - Sep25 - SxS Distributing Terminal Assembly
- Index for Divisions I - X (including those in Parts 2 and 3)
- Equipment Engineering Notes -- Divisions I - II

604 pages in all three parts. Contributed by John Novack

pdf 1925 - AT&T SxS Equipment Engineering Notes - Part 2 of 3 Popular

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1925_ATT_SxS_Equipment_Engineering_Notes_Part_2_tci.pdf

1925 - AT&T SxS Equipment Engineering Notes - Part 2 of 3

297 pp. Includes:
- Equipment Engineering Notes -- Divisions III - VIII

604 pages in all three parts. Contributed by John Novack

pdf 1925 - AT&T SxS Equipment Engineering Notes - Part 3 of 3 Popular

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1925_ATT_SxS_Equipment_Engineering_Notes_Part_3_tci.pdf

1925 - AT&T SxS Equipment Engineering Notes - Part 3 of 3

115pp. Includes:
- Equipment Engineering Notes -- Divisions IX - X

604 pages in all three parts. Contributed by John Novack

pdf Number One Step-By-Step Training Manual Vol II - Sequence Charts And Operational Sketches Sep52 Popular

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Number_One_Step-By-Step_Training_Manual_Vol_II_-_Sequence_Charts_and_Operational_Sketches_tci.pdf

Number One Step-By-Step Training Manual Vol II - Sequence Charts And Operational Sketches Sep52

2.34MB, 45 pages. Individual SDs are bookmarked in this pdf.

"Volume II contains a series of typical circuit diagrams. These are drawn in the simplified style which is used in teaching the complex 'Common Control' switching systems now in current use. This method makes use of sequence charts and operational sketches, and this volume contains a chart and sketch for each of the typical circuits."  Contributed by Steve Cichorsky. 

pdf Step-by-Step Traffic Training Course and Reference Manual - Ohio Bell (1952) Popular

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Step-by-Step_Traffic_Training_Course_and_Reference_Manual-Ohio_Bell_1952_tci_ocr.pdf

Ohio Bell's SxS Training Course and Reference Manual (1952)

Scanned and Processed by Tim Griffin
Contributed by Len Hicken

"This treatise of the Step-by-Step type Dial System is intended primarily to acquaint the new Traffic men with the fundamental principles of this type dial telephone equipment and its operation, thereby enhancing him with a knowledge of the words and terms peculiar to it, the part played by each individual equipment unit utilized in the completion of a dialed call, intra and inter- office trunking arrangements, and, above all, to instill in him sufficient knowledge of the dial equipment to enable him to perform a more complete and successful traffic job."

Table of Contents
1.0 GENERAL
2.0 AUTOMATIC DIAL TELEPHONE EQUIPMENT

3.0 TYPES OF OFFICES

4.0 FUNDAMENTALS
4.01 Elementary Electricity
4.02 Elements of Magnetism
4.03 Circuits
4.04 Telephone Parts

5.0 DEFINITIONOF TERMS AND EXPLANATION OF EQUIPMENT
5.01 Telephone
5.02 Dial
5.03 DistributingFrames
5.04 Primary Line Switches and Master Switches
5.05 Secondary Line Switches and Master Switches
5.06 Step-by-StepSwitch
5.07 Line Finder Frames and Line Finders
5.08 Selectors - Local
5.09 Selectors - Toll
5.10 Connectors
5.11 Trunks Preceding First Selectors
5.12 Coin Box Trunk - Postpay
5.13 Traffic Registers
5.14 Plunger Out Trunk Switches
5.15 Rotary Out Trunk Switches
5.16 Reverting Call Switch
5.17 Verification Test Distributor
5.18 Intercepting Equipment
5.19 Repeaters (Interoffice Trunk Type)
5.20 Rotary Extension Switches (Toll Application)
5.21 Connector Access to Toll Stations
5.22 Power Equipment
5.23 Equipment Alarms
5.24 Mechanical Adjustments SXS Dial Equipment
5.25 Miscellaneous Central Office Apparatus

6.0 PROGRESS OF A CALL

7.0 EQUIPMENT SPECIFICATIONS AND DRAWINGS
7.01 Introduction
7.02 Standard Specifications and Drawings
7.03 Job Specifications and Drawings
7.04 Abbreviations
7.05 Glossary of Terms used on Drawings

8.0 TRUNKING
8.01 General Description
8.02 Line Switch Trunking
8.03 Line Finder Trunking
8.04 Selector Switch Trunking
8.05 Selector Frame Terminal Assemblies
8.06 Assignment of First Selector Bank Levels
8.07 Special Trunk Groups
8.08 Uses of the Various Switches
8.09 Toll Equipment
8.10 Testing Trunks
8.11 Straight and Graded Multiple Arrangements
8.12 Selector Frames Without Distributing Type Terminal Assemblies
8.13 Arrangement of Cross-Connections for Graded Multiple Trunk Groups to Other Equipment
8.14 Capacity Tables
8.15 Interoffice Trunks

9.0 INTERTOLL DIALING
9.01 General
9.02 Two-Way lntertoll Trunk Groups
9.03 One-Way Intertoll Trunk Groups
9.04 Thru Dialing
9.05 lntertoll Selector Equipment
9.06 Trunk Equipment
9.07 Switchboard Equipment
9.08 Location of Equipment
9.09 Nationwide Operator Toll Dialing

10.0 TRAFFIC ENGINEERING
10.01 General
10.02 The Traffic Engineer's Job
10.03 Relation Between Loads, Service and the Traffic Engineer
10.04 Influence of Exchange Rate Structure on Facilities
10.05 Numbering Arrangements
10.06 Traffic Space Requirements
10.07 Separation Studies
10.08 Engineering Data and Estimates
10.09 Step-By-Step Traffic Engineering

11.0 DIAL OFFICE MANAGEMENT
11.01 District Man's Responsibilities
11.02 Dial Tone Speed Tests
11.03 Busy Line Studies
11.04 Personal Observations
11.05 Assistance Tickets
11.06 Plant Contacts
11.07 Special Analysis and Tests
11.08 Conclusion
11.09 Reference Material List

12.0 NOMENCLATURE

 

pdf SXS - Plant Training - NJB - 355 CDO - 1950 - Legends Popular

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SXS-Plant_Training_NJB_355_CDO_1950_Legends.pdf

SXS - Plant Training - NJB - 355 CDO - 1950 - Legends

Legends for the training book produced by a New Jersey Bell employee that contains schematics and sequence charts for circuits encountered in a 355 Community Dial Office (CDO). Good reference for several SxS training documents in the Library. Scanned by Martin Harriss from an original supplied by Charlie Dunne.

pdf SXS - Plant Training - NJB - 355 CDO - 1951 Popular

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SXS-Plant_Training_NJB_355_CDO_1950.pdf

SXS - Plant Training - NJB - 355 CDO - 1951

Training book produced by a New Jersey Bell employee that contains schematics and sequence charts for circuits encountered in a 355 Community Dial Office (CDO). Scanned by Martin Harriss from an original supplied by Charlie Dunne.

pdf SXS - Plant Training Vol 1 - 355 CDO - Jan53 Ocr R Popular

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SXS-Plant_Training-Vol-1_355_CDO_Jan53_ocr_r.pdf

SXS - Plant Training Vol 1 - 355 CDO - Jan53 Ocr R

Community Dial Office Training Manual.  The Table of Contents is useful for other similar training documents in the Library.  Sequence charts and Operational Sketches.  January 1953.  47 pages.  SDs.  OCR by Clint Gilliland. 

pdf SxS Blank Switchtags, ca 1949 Popular

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SxS_Blank_Switchtags_ca1949.pdf

SxS Blank Switchtags, ca 1949

Page one is one font with numbers 1-160.  Page two is two different sheets, one with "Test" and some numbers, and the the other has the numbers 1-60.  The second page is clearly a different font than the first.  Both are late, carrying a 1949 date.  Scanned by John Novack.

pdf SxS Demo Switch Photo with 354 Wall Sets Popular

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SxS Demo Switch.pdf

pdf SXS Reading Course I Ohio Bell 1929 Popular

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SXS_Reading_Course_I_Ohio_Bell_1929.pdf

SXS Reading Course I Ohio Bell 1929

Contributed by Steve Flocke and John Novack.

pdf SXS Reading Course II Ohio Bell 1929 Popular

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SXS_Reading_Course_II_Ohio_Bell_1929.pdf

SXS Reading Course II Ohio Bell 1929

Contributed by Steve Flocke and John Novack.

pdf WE Selector Switch Operation - Bulletin 2.3-3 Jul41 Popular

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Selector_Switch_Operation_Bull_2.3-3_Jul41_tci.pdf

WE Selector Switch Operation - Bulletin 2.3-3 Jul41

16 pages. July 1941.  Hawthorne Training Department.  Contributed by John Novack.

pdf WE SxS Course No. 3 - 1937 - Dial Telephone System Popular

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WE_SxS_Dial_Telephone_System_Course_3_1949.pdf

WE SxS Course No. 3 - 1937 - Dial Telephone System

Originally issued March 1937, reissued October 1949.  56 pages.  Hawthorne Training Department.  Contributed by John Novack.

pdf WE SxS Course No. 3 - 1947 - Dial Telephone System Popular

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CO_Equip_Lesson_3_SXS_Dial_Oct49_tci.pdf

THE STEP-BY-STEP DIAL TELEPHONE SYSTEM, Telephone Systems Training
Course: Central Office Equipment, Lesson no. 3
Issued March 1937, Revised Jan. 1947, Reissued Oct. 1949

56 pages

Western Electric Company, Inc., Hawthorne Works
Personnel Service Branch, Training Department

CONTENTS
Section 1 . History and Development
Section 2 . Principles of Dial Switching
Section 3 . Equipment and Frames
Section 4 . Distributing Frames and Relay Racks
Section 5 . Method of Operation
Section 6 . Power
Section 7 . SxS Circuit Operation

Contributed by John Novack

pdf WE SxS Course No. 3 - 1958 - Dial Telephone System Popular

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sxs_course_1954_imageontext.pdf

WE SxS Course No. 3 - 1958 - Dial Telephone System

THE STEP-BY-STEP DIALTELEPHONESYSTEM, Telephone Systems Training
Course: Central Office Equipment, Lesson no. 3
Issued March 1937, Revised 1958

59 pages

Western Electric Company, Inc., Hawthorne Works
Industrial Relations Branch, Training Department

CONTENTS
Section 1 . History and Development
Section 2 . Principles of Dial Switching
Section 3 . Equipment and Frames
Section 4 . Distributing Frames and Relay Racks
Section 5 . Method of Operation
Section 6 . Power
Section 7 . SxS Circuit Operation

pdf WE SXS Dial System Completion Of Calls Bulletin 2.3-1 Jul48 Popular

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SXS_Dial_System_Completion_of_Calls_Bull_2.3-1_Jul48_tci.pdf

WE SXS Dial System Completion Of Calls Bulletin 2.3-1 Jul48

March 1940, reissued July 1948.  Contributed by John Novack.

pdf WE SxS Training Vol II - Sequence Charts & Operational Sketches Sep52 Popular

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WE_SxS_Training_V_II_Full.pdf

WE SxS Training Vol II - Sequence Charts & Operational Sketches Sep52

32MB, 48 pages. Contributed and Scanned by Steve Gemeny

pdf WE Testing Connector Switches Course Popular

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Testing_Connectors_Course_1946ca_tci.pdf

WE Testing Connector Switches Course

Instructor's Outline. 38 pages.  ca 1946.  This pamphlet is issued for the benefit of W. E. employees assigned as instructors, in training men who will be delegated the responsibility of performing Routine Tests on Connector Switches, analyzing and clearing
trouble.  Contributed by John Novack.

pdf WE Training Manual 16 1946 - Step-by-Step Switches - Mechanisms and Relays Popular

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WE_Training_Manual_16_1946_Step-by-Step_Switches_Mechanisms_and_Relays_ocr_tci.pdf

WE Training Manual 16 1946 - Step-by-Step Switches - Mechanisms and Relays

Contributed and scanned by John Novack. Processed by Paul Fassbender.

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Recent Contributors

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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