Folder Bulletins

For the description and maintenance of switching equipment

Documents

pdf AE TB 505 Nov41 - Lubrication Of Automatic Switching Equipment Popular

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AECo Bulletin 505 - Lubrication of Automatic Switching Equipment.pdf

AE TB 505 Nov41 - Lubrication Of Automatic Switching Equipment

AECoTechnical Bulletin, Nov 1941. Contributed by Steve Cichorsky.

pdf AE TB 945-822 1963 Intercept Service Popular

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AE_TB945-822_1963_Intercept_service.pdf

AE TB 945-822 1963 Intercept Service

Contributed by Alan David and John Novack.

pdf AE TB 945-956 1954 Modern Dial Paystation Services Popular

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AE_TB945-956_1954_Modern_Dial_Paystation_Services.pdf

AE TB 945-956 1954 Modern Dial Paystation Services

Contributed by Alan David and John Novack.

pdf AE TB 948-804 1963 Ringing Schemes Popular

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AE_TB948-804_1963_Ringing_Schemes.pdf

AE TB 948-804 1963 Ringing Schemes
Contributed by Alan David and John Novack.

pdf AE-Bulletin-331 - REPEAT-COILS Bc Popular

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AE-Bulletin-331-REPEAT-COILS_bc.PDF

pdf AE-Bulletin-405-21-Tst-Cabinet Popular

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AE-Bulletin-405-21-Tst-Cabinet_bc.pdf

pdf AE-Bulletin-425-32A46-Ringing-Converter Popular

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AE-Bulletin-425-32A46-Ringing-Converter_bc.pdf

pdf AE-Bulletin-444-Sub-Cycle Popular

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AE-Bulletin-444-Sub-Cycle_bc.pdf

pdf AE-Bulletin-460-Convotrol Popular

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AE-Bulletin-460-Convotrol_bc.pdf

pdf AE-Bulletin-618-P-A-X-Trunk-XferEquipment Popular

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AE-Bulletin-618-P-A-X-Trunk-XferEquipment_bc.pdf

pdf AE-Bulletin-672 Relay CAX Popular

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AE-Bulletin-672_Relay_CAX_bc.pdf

pdf AE-Bulletin-945-808 Selector Popular

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AE-Bulletin-945-808_Selector_bc.pdf

pdf AE-Bulletin-948-807-Connector Popular

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AE-Bulletin-948-807-Connector_bc.pdf

pdf AECo Type 37 Cordless PBX - Bulletin 487 Oct54 Popular

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AE_Type_37_Cordless_PBX_Bulletin_487_Oct54_A4.pdf

AECo Type 37 Cordless PBX - Bulletin 487 Oct54

Attendant's Instructions including B&W photos.  Contributed by John Novack.

pdf GTE Section 57 Part 505 - 555 PBX Switchboard Circuit Popular

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GTE_Sec57_Part_505_Sep59_555_PBX_SwitchboardCircuitDescription_Schematics.pdf

GTE Section 57 Part 505 - 555 PBX Switchboard Circuit

Sept 59.  Describes the operation of various circuits of the 555 PBX switchboards.  These include the cord, operator's telephone, dial, CO trunk and station line circuits.  See Part 506 for maintenance info.

pdf GTE Section 57 Part 566 - 555 PBX Manual Conference Circuit Popular

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GTE_Sec57_Part_566_Dec57_555_PBX_ManualConferenceCircuit.pdf

GTE Section 57 Part 566 - 555 PBX Manual Conference Circuit

Dec 57. Conference equipment for up to 5 stations.  Includes wiring diagram.

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