Name Size Creator Creation Date Labels Comment  
PDF File 01-015-10_I3.pdf 763 kB Shaun Ewing Feb 01, 1978 00:00
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Flow Chart Symbols and Interpretations (Issue 3)
PDF File 01-019-03_I1.pdf 237 kB Shaun Ewing Oct 01, 1983 00:00
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Digital Central Office Grounding - Engineering Considerations (Issue 1)
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)
PDF File 01-027-05_I3.pdf 1.15 MB Shaun Ewing Mar 01, 1982 00:00
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SYSTEM CENTURY - Digital Central Office - Glossary of Features (Issue 3)
PDF File 01-215-12_I2.pdf 518 kB Shaun Ewing Jun 01, 1979 00:00
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SYSTEM CENTURY - Digital Switching Techniques (Issue 2)
PDF File 02-001-10_I7.pdf 171 kB Shaun Ewing May 01, 1982 00:00
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Product Support Procedures (Issue 7)
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
PDF File 23-001-00_I11.pdf 1.04 MB Shaun Ewing Aug 01, 1982 00:00
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SYSTEM CENTURY - Digital Central Office - Index of Related Sections and Subject Keysheet (Issue 11)
PDF File 23-001-53_I4I.pdf 426 kB Shaun Ewing May 01, 1981 00:00
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SYSTEM CENTURY - Digital Central Office - Fault Printout Interpretation (Issue 4I)
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)
PDF File 23-002-00_I2.pdf 121 kB Shaun Ewing Aug 01, 1983 00:00
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SYSTEM CENTURY - Digital Central Office - Index of Related Sections and Subject Keysheet (Issue 2)
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)
PDF File 23-002-52_I1.pdf 133 kB Shaun Ewing Jul 01, 1982 00:00
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SYSTEM CENTURY - Digital Central Office - Preventive Maintenance Guide (Issue 1)
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)
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)
PDF File 23-002-67_I2.pdf 868 kB Shaun Ewing Nov 01, 1983 00:00
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SYSTEM CENTURY - Digital Central Office - Trouble and Status Reporting - Administrative Procedures (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)
PDF File 23-051-05_I3.pdf 641 kB Shaun Ewing Nov 01, 1978 00:00
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SYSTEM CENTURY - Digital Central Office - Software Organization and Functional Description (Issue 3)
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)
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)
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