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Folder E and H Reference Docs

Categories

Folder H-18781 A-1 Toll Transmission Selector

Folder H-18838 A-1 Ring Back Switch Circuit

Folder H-18876 A-1 Ring Back Relays & Int

Folder H-18898-A-1 Test Distributor Selector Cir

Folder H-18899 A-1 2-Wire Repeater Circuit

Folder H-28318-A 2-Wire Repeater Circuit

Folder H-35868 - 200 Point Linefinder

200 Point Linefinder Circuit

Folder H-51297- Ringing Converter

Folder H-51301

Folder H-51303

Folder H-580056

Folder H-580059

Folder H-580089- Reverse_Battery_Switch_Through_One_and_Two_Digit_Trunking_Connector

Folder H-580260_Conn_Ckt_Local_or_Toll_Trk_Lev_Htg

Folder H-580288

Folder H-580294

Folder H-580298

Folder H-580361

Folder H-580364- TRK and LEV hunting Conn

Folder H-580368 LineFinder Ckts

Folder H-58952

Folder H-610010 - Outgoing Trunk Circuit

Folder H-610035 Coin Tel Adpt. Ckt

Folder H-610075

Folder H-610144-A_Two_Way_Repeater

Folder H-61293 Paging Transfer Circuits Selective Ringing

Folder H-61350 AE Coin Trunk

Folder H-61847_Timer_Ckt_for_Permanents_Conversations_Trunks

Timer Circuit for Permanents, Conversation, and Trunks - Scanned and OCRed by Paul Wills

Folder H-61876 - Pre-Pay Paystation Repeater Trunk Booster Bat 4th Wire Metering

Folder H-720946 - CAX Selector Marker P

Folder H-75159 10 Line Isolated PAX 24 Volts Circuit Exp

Folder H-75311

Folder H-75592 - Two Way PABX Tie Trunk Ckt - 2 or 4 Wire Operation

Folder H-75607 Fire Reporting Firemans Conference Circuit

Folder H-83242 i1 Apr62 - End Office Test Trunk

Folder H-850061 - 40 Cycle Ringback Tone Generator TG-1

Folder H-850215 - Register Sender Circuit

Folder H-850603-A I1 Jun65 CAX Selector Marker

Folder H-850665

Folder H-850678-A

Dial Speed And/Or TCMF Subset and Party Ident. Ckt. Selector Level and Test Desk Access

Folder H-85075

Folder H-851053 - Cross Point Switch Circuit

Folder H-85175 Dial Speed Spotter Pulse Testing Ckt

Folder H-85289 - LINEFINDER SWITCH TEST STAND

Folder H-85500- A Intercept Trunk Circuit

Folder H-856252 - Rev Call Sw10 pty coded

Folder H-85919 - Type 26A Switch Tester Portable Routine Test Set Ckt

Documents

pdf AE H-580156 i6 June 1952 Selector Circuit Local and Incoming Popular

819 downloads

Download (pdf, 1.63 MB)

ae-h-580156-i6-6-1952-selector-circuit-local-and-incoming.pdf

Contributed by Remco Enthoven: from the collection of the JKL Museum of Telephony

pdf AH-610050 Popular

1029 downloads

Download (pdf, 922 KB)

AH-610050_TCI.pdf

AH-610050

Contributed by John Novack.

pdf AH-610051 Popular

1074 downloads

Download (pdf, 180 KB)

AH-610051_TCI.pdf

AH-610051

Contributed by John Novack.

pdf AH-610057 Popular

1048 downloads

Download (pdf, 592 KB)

AH-610057_TCI.pdf

AH-610057

Contributed by John Novack.

pdf DH-610050 Popular

1101 downloads

Download (pdf, 528 KB)

DH-610050_TCI.pdf

DH-610050

Contributed by John Novack.

pdf DH-610051 Popular

1009 downloads

Download (pdf, 457 KB)

DH-610051_TCI.pdf

DH-610051

Contributed by John Novack.

pdf DH-610057 Popular

1060 downloads

Download (pdf, 380 KB)

DH-610057_TCI.pdf

DH-610057

Contributed by John Novack.

pdf E-610050 Popular

1201 downloads

Download (pdf, 225 KB)

E-610050_TCI.pdf

E-610050

Contributed by John Novack.

pdf E-610051 Popular

1040 downloads

Download (pdf, 207 KB)

E-610051_TCI.pdf

E-610051

Contributed by John Novack.

pdf E-610057 Popular

1037 downloads

Download (pdf, 229 KB)

E-610057_TCI.pdf

E-610057

.Contributed by John Novack

pdf H-610051 Popular

1082 downloads

Download (pdf, 339 KB)

H-610051_TCI.pdf

H-610051

Contributed by John Novack.

pdf H-610057 Popular

1040 downloads

Download (pdf, 443 KB)

H-610057_TCI.pdf

H-610057

Contributed by John Novack.

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Recent Contributors

Thanks for new documents from Tim Fox, Andrew Cook, Steph Kerman, Jason Anderson, Doug Duffy, Bruce Patterson, Jeremy Walters, Nick Hunseder, Ed Burnett, Ralph Meyer, Shane Young, David Brown, the Connections Museum, Paul Fassbender, Lou Maffei, Rick Thoensen, Sheila Flory, Tom Hesson, Jim Hurtle, Ed Palazzo, Remco Enthoven, Jon Kolger, Paul Ivester, and Len Hicken.

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