Folder No. 5 Crossbar - Wire Spring Relay Circuit - Vol 1

VOLUME I - WIRE SPRING No. 5 CROSSBAR SYSTEM

Section 1 — General Description of the Wire Spring No. 5 Crossbar System (129p)
Section 2 — Dial Tone Job (38p)
Section 3 — Dialing the Called Number (13p)
Section 4 — Pretranslation (22p)
Section 5 — Intraoffice Call (68p)
Section 6 — Outgoing Calls Using Senders (30p)
Section 7 — Incoming Calls (24p)

Documents

pdf ATT 5XB vI Mar55 Wire Spring Sec1 - General Description Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec1_Mar55_Wire_Spring_Relay_Circuit_General Description_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec1 - General Description

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 1 - General Description of the Wire Spring No. 5 Crossbar System

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec2 - Dial Tone Job Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec2_Mar55_Wire_Spring_Relay_Circuit_Dial_Tone_Job_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec2 - Dial Tone Job

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 2 - Dial Tone Job

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec3 - Dialing the Called Number Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec3_Mar55_Wire_Spring_Relay_Circuit_Dialing_the_Called_Number_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec3 - Dialing the Called Number

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 3 - Dialing the Called Number

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec4 - Pretranslation Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec4_Mar55_Wire_Spring_Relay_Circuit_Pretranslation_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec4 - Pretranslation

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 4 - Pretranslation

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec5- Intraoffice Call Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec5_Mar55_Wire_Spring_Relay_Circuit_Intraoffice_Call_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec5- Intraoffice Call

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 5- Intraoffice Call

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec6 - Outgoing Calls Using Senders Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec6_Mar55_Wire_Spring_Relay_Circuit_Subscriber_Outgoing_Calls_Using_Senders_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec6 - Outgoing Calls Using Senders

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 6 - Outgoing Calls Using Senders

Scanned and Contributed by Steve Cichorsky

pdf ATT 5XB vI Mar55 Wire Spring Sec7 - Incoming Calls Popular

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ATT_No_5_Crossbar_Switching_System_vI_Sec7_Mar55_Wire_Spring_Relay_Circuit_Incoming_Calls_tci_ocr.pdf

ATT 5XB vI Mar55 Wire Spring Sec7 - Incoming Calls

From: No. 5 Crossbar Switching System - Wire Spring Relay Circuit
Volume 1 - Wire Spring No. 5 Crossbar System
Section 7 - Incoming Calls

Scanned and Contributed by Steve Cichorsky

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