Folder SD-CD-65680-505-506-507-Switchboards

Applicable BSPs can be found in the 536-xxx-xxx Division

Documents

pdf CD-65680-01 i12D - 507A, 507B PBX (cropped and OCRed) Popular

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CD-65680-01I12.pdf

CD-65680-01 i12D - 507A, 507B PBX (cropped and OCRed)

Issue 12D.  PBX Systems No. 507A and 507B Station Line, Trunk, Connecting, Telephone, Ringing, Buzzer and 2-way Ringdown Tie Trunk Circuits arranged for use with manual or dial central offices.

This contains a concise operational description for outgoing calls and incoming calls.

Contributed by John Novack.

pdf CD-65680-01 i13D - 507A, 507B PBX Circuit Descriptions Bc Popular

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CD-65680_507_Circuit_Descriptions_bc.pdf

CD-65680-01 i13D - 507A, 507B PBX Circuit Descriptions Bc

Issue 13D.  507A (3-CO trunk, 7-station) & 507B (5-CO trunk, 12-station) Cordless Common Battery PBXs.  Includes Description of Operation.

pdf CD-65733-01 507 Auto Tie Trunk Bc Popular

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CD-65733-01_507_Auto_Tie_Trunk_bc.pdf

pdf Div B Section 3 507A Page 5 Bc Popular

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Div_B_Section_3_507A_Page_5_bc.pdf

pdf Ringdown Tie Trunk Ideas Bc Popular

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Ringdown_Tie_Trunk_Ideas_bc.pdf

pdf SD-65680-01 i12 - 507A, 507B PBX Popular

By 399 downloads

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SD-65680-01I12.pdf

SD-65680-01 i12 - 507A, 507B PBX

Issue 12.  Contributed by John Novack

pdf SD-65680-01 i13 - 507 PBX Schematics Bc Popular

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SD-65680_507_Schematics_bc.pdf

SD-65680-01 i13 - 507 PBX Schematics Bc

Issue 13.  507A (3-CO trunk, 7-station) & 507B (5-CO trunk, 12-station) Cordless Common Battery PBXs

New User?

Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from Chuck Hensley, John Gilbert, Chuck Batson, Alan David, Steve Flocke, Paul Wills, Dave Gruger, Jim Prather, John Stancliff, Sam Etler, John Novack, Clint Gilliland, Steve Cichorsky and Paul Fassbender.

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