Name Size Creator Creation Date Labels Comment  
PDF File 538-000-000_I5.pdf 78 kB Shaun Ewing Feb 01, 1966 00:00
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Numerical Index - Division 538 - 600 Series PBX (Issue 5)
PDF File 538-080-212_I1.pdf 798 kB Shaun Ewing Feb 01, 1966 00:00
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Identification, Installation and Connections (Manual Auxiliary for 701PK PBX) - 608A PBX (Issue 1)
PDF File 538-070-526_I1.pdf 177 kB Shaun Ewing Dec 01, 1965 00:00
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Manual PBX Access Line Circuit SD-1E047-01 - In-Service Tests - 607A and 607B PBX (Issue 1)
PDF File 538-080-524_Add_I1.pdf 102 kB Shaun Ewing Oct 01, 1961 00:00
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Cord and Position Circuit - Operation Tests Using PBX Cord Circuit Test Set SD-66484-01 (J54703A) - 608A PBX (Issue 1)
PDF File 538-080-660_I1.pdf 138 kB Shaun Ewing Apr 01, 1961 00:00
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Station Line Circuits - Operation Tests - 608A PBX (Issue 1)
PDF File 538-080-524_I1.pdf 513 kB Shaun Ewing Apr 01, 1961 00:00
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Cord and Position Circuit - Operation Tests Using PBX Cord Circuit Test Set SD-66484-01 (J54703A) - 608A PBX (Issue 1)
PDF File 538-080-667_I1.pdf 157 kB Shaun Ewing Apr 01, 1961 00:00
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Trunks - Central Office and Tie - Operation Tests - 608A PBX (Issue 1)
PDF File 538-080-230_I1.pdf 107 kB Shaun Ewing Apr 01, 1961 00:00
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Tests and Inspections at Time of Installation - 608A PBX (Issue 1)
PDF File 538-080-600_I1.pdf 157 kB Shaun Ewing Apr 01, 1961 00:00
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Miscellaneous Circuits - Battery Cutoff, Generator Supply, Auxiliary Signal, Alarms, Peg Count, and Page Key - Operation Tests - 608A PBX (Issue 1)
PDF File 538-080-526_I1.pdf 425 kB Shaun Ewing Apr 01, 1961 00:00
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Cord and Position Circuit - Operation Tests Using Test Circuit SD-66758-01 - 608A PBX (Issue 1)
PDF File 538-060-665_I3.pdf 129 kB Shaun Ewing Aug 01, 1960 00:00
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Trunks to Attendant Connectors - Including Tests of Attendant Connectors - Operation Tests - 606A or 606B PBX (Issue 3)
PDF File 538-050-665_I3.pdf 390 kB Shaun Ewing Aug 01, 1960 00:00
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Incoming, Outgoing, Two-Way Central Office and Local Trunks - Operation Tests - 606A, 607A and 607B PBX (Issue 3)
PDF File 538-060-660_I3.pdf 113 kB Shaun Ewing Aug 01, 1960 00:00
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Station Line Circuits - Operation Tests - 606A PBX (Issue 3)
PDF File 538-060-600_I2.pdf 93 kB Shaun Ewing Aug 01, 1960 00:00
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Miscellaneous Circuits - Position Grouping, Auxiliary Signal, Night Alarm, Peg Count and Supervisor Circuit - Tests and Inspections - 606A PBX (Issue 2)
PDF File 538-060-505_I2.pdf 97 kB Shaun Ewing Aug 01, 1960 00:00
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Attendant Telephone and Dialing Circuit - Tests and Inspections - 606A PBX (Issue 2)
PDF File 538-050-667_I3.pdf 196 kB Shaun Ewing Aug 01, 1960 00:00
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Tie Trunks - Operation Tests - 606A, 607A and 607B PBX (Issue 3)
PDF File 538-060-523_I3.pdf 237 kB Shaun Ewing Aug 01, 1960 00:00
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Cord Circuits - Operation Tests - 606A PBX (Issue 3)
PDF File 538-070-600_I1.pdf 184 kB Shaun Ewing Dec 01, 1953 00:00
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Miscellaneous Circuits - Position Grouping, Night Alarm, Peg Count, Service Assistant Telephone, Test Cord, Calling Signal and Lamp Battery Cutoff - Operation Tests - 607A and 607B PBX (Issue 1)
PDF File 538-070-525_I1.pdf 247 kB Shaun Ewing Jun 11, 1952 00:00
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Cord Circuits - Operation Tests - 607B PBX (Issue 1)
PDF File 538-050-660_I1.pdf 173 kB Shaun Ewing Jun 11, 1952 00:00
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Station Line Circuits - Manual and Dial - Operation Tests - 606B, 607A, and 607B PBX (Issue 1)
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