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Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 23-002-02_I1.pdf | 54.55 MB | Shaun Ewing | Nov 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - General Description (Issue 1) | |||
| Version 1 (current) | 54.55 MB | Shaun Ewing | Nov 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - General Description (Issue 1) | ||||
| PDF File 23-001-97_I5.pdf | 36.73 MB | Shaun Ewing | Mar 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - System Operators Manual (Issue 5) | |||
| Version 1 (current) | 36.73 MB | Shaun Ewing | Mar 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - System Operators Manual (Issue 5) | ||||
| PDF File T-2375_I2.pdf | 16.80 MB | Shaun Ewing | Nov 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - System Description (Issue 2) | |||
| Version 1 (current) | 16.80 MB | Shaun Ewing | Nov 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - System Description (Issue 2) | ||||
| PDF File 23-053-05_I7.pdf | 14.96 MB | Shaun Ewing | Sept 01, 1982 00:00 |
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SYSTEM CENTURY DCO - Line/Trunk Circuits (Issue 7) | |||
| Version 1 (current) | 14.96 MB | Shaun Ewing | Sept 01, 1982 00:00 | SYSTEM CENTURY DCO - Line/Trunk Circuits (Issue 7) | ||||
| PDF File 23-002-64_I1I.pdf | 11.70 MB | Shaun Ewing | Jan 01, 1983 00:00 |
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SYSTEM CENTURY - Digital Central Office - On-Line Recent Change Facilities - Forms and Administrative Instructions (Issue 1I) | |||
| Version 1 (current) | 11.70 MB | Shaun Ewing | Jan 01, 1983 00:00 | SYSTEM CENTURY - Digital Central Office - On-Line Recent Change Facilities - Forms and Administrative Instructions (Issue 1I) | ||||
| PDF File 23-152-05_I1.pdf | 11.32 MB | Shaun Ewing | Dec 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - Local Line Switch - Description and Operation (Issue 1) | |||
| Version 1 (current) | 11.32 MB | Shaun Ewing | Dec 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - Local Line Switch - Description and Operation (Issue 1) | ||||
| PDF File 146011-291.pdf | 8.05 MB | Shaun Ewing | Jan 01, 1900 12:00 |
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Model TDX-40F Dial-X Inter-Phone System | |||
| Version 1 (current) | 8.05 MB | Shaun Ewing | Jan 01, 1900 12:00 | Model TDX-40F Dial-X Inter-Phone System | ||||
| PDF File 81-042-72_I1.pdf | 6.42 MB | Shaun Ewing | May 01, 1975 00:00 |
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S-C 1800 and 2800 Series, Desk, Rotary-Dial and Tone-Dial, 3-Line Telephones - Connections and Maintenance (Issue 1) | |||
| Version 1 (current) | 6.42 MB | Shaun Ewing | May 01, 1975 00:00 | S-C 1800 and 2800 Series, Desk, Rotary-Dial and Tone-Dial, 3-Line Telephones - Connections and Maintenance (Issue 1) | ||||
| PDF File 28-005-02_I2.pdf | 6.30 MB | Shaun Ewing | Sept 01, 1982 00:00 |
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SYSTEM CENTURY - Centralized and Local Automatic Message Accounting Subsystems - General Description (Issue 2) | |||
| Version 1 (current) | 6.30 MB | Shaun Ewing | Sept 01, 1982 00:00 | SYSTEM CENTURY - Centralized and Local Automatic Message Accounting Subsystems - General Description (Issue 2) | ||||
| PDF File 23-055-05_I3.pdf | 5.95 MB | Shaun Ewing | Aug 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - Service Group Circuits - Description (Issue 3) | |||
| Version 1 (current) | 5.95 MB | Shaun Ewing | Aug 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - Service Group Circuits - Description (Issue 3) | ||||
| PDF File 24-015-02_I2.pdf | 4.69 MB | Shaun Ewing | Feb 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Trunk Interface - General Description (Issue 2) | |||
| Version 1 (current) | 4.69 MB | Shaun Ewing | Feb 01, 1982 00:00 | SYSTEM CENTURY - Digital Trunk Interface - General Description (Issue 2) | ||||
| PDF File 23-228-51_I2.pdf | 3.83 MB | Shaun Ewing | Sept 01, 1982 00:00 |
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SYSTEM CENTURY DCO - Synchronous Network Clock - Description and Oscillator Calibration (Issue 2) | |||
| Version 1 (current) | 3.83 MB | Shaun Ewing | Sept 01, 1982 00:00 | SYSTEM CENTURY DCO - Synchronous Network Clock - Description and Oscillator Calibration (Issue 2) | ||||
| PDF File 24-015-50_I4.pdf | 3.77 MB | Shaun Ewing | Jul 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Trunk Interface - Maintenance (Issue 4) | |||
| Version 1 (current) | 3.77 MB | Shaun Ewing | Jul 01, 1982 00:00 | SYSTEM CENTURY - Digital Trunk Interface - Maintenance (Issue 4) | ||||
| PDF File 23-064-05_I1.pdf | 3.64 MB | Shaun Ewing | Apr 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - Common Control - Description and Operation (Issue 1) | |||
| Version 1 (current) | 3.64 MB | Shaun Ewing | Apr 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - Common Control - Description and Operation (Issue 1) | ||||
| PDF File 28-005-50_I2.pdf | 3.58 MB | Shaun Ewing | Apr 01, 1982 00:00 |
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SYSTEM CENTURY - Centralized and Local Automatic Message Accounting Subsystems - Maintenance (Issue 2) | |||
| Version 1 (current) | 3.58 MB | Shaun Ewing | Apr 01, 1982 00:00 | SYSTEM CENTURY - Centralized and Local Automatic Message Accounting Subsystems - Maintenance (Issue 2) | ||||
| PDF File 01-025-05_I2.pdf | 3.45 MB | Shaun Ewing | Dec 01, 1979 00:00 |
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Glossary of Digital Switching Terms and Abbreviations (Issue 2) | |||
| Version 1 (current) | 3.45 MB | Shaun Ewing | Dec 01, 1979 00:00 | Glossary of Digital Switching Terms and Abbreviations (Issue 2) | ||||
| PDF File 81-072-72_I1.pdf | 2.58 MB | Shaun Ewing | Apr 01, 1976 00:00 |
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S-C 1810 and 2810 Series, Wall, Rotary-Dial and Tone-Dial, 11-Line Telephones - Connections and Maintenance (Issue 1) | |||
| Version 1 (current) | 2.58 MB | Shaun Ewing | Apr 01, 1976 00:00 | S-C 1810 and 2810 Series, Wall, Rotary-Dial and Tone-Dial, 11-Line Telephones - Connections and Maintenance (Issue 1) | ||||
| PDF File 23-002-66_I2.pdf | 2.18 MB | Shaun Ewing | May 01, 1983 00:00 |
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SYSTEM CENTURY - Digital Central Office - Traffic-Measuring Facilities - Administration (Issue 2) | |||
| Version 1 (current) | 2.18 MB | Shaun Ewing | May 01, 1983 00:00 | SYSTEM CENTURY - Digital Central Office - Traffic-Measuring Facilities - Administration (Issue 2) | ||||
| PDF File 23-221-51_I2.pdf | 1.91 MB | Shaun Ewing | Jan 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - System Precautions (Issue 2) | |||
| Version 1 (current) | 1.91 MB | Shaun Ewing | Jan 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - System Precautions (Issue 2) | ||||
| PDF File 23-002-69_I2.pdf | 1.61 MB | Shaun Ewing | Oct 01, 1982 00:00 |
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SYSTEM CENTURY - Digital Central Office - Floppy Disk - Administrative Procedures (Issue 2) | |||
| Version 1 (current) | 1.61 MB | Shaun Ewing | Oct 01, 1982 00:00 | SYSTEM CENTURY - Digital Central Office - Floppy Disk - Administrative Procedures (Issue 2) |
