Wescom - TCI Library

You are here: Home > Browse the Library > BC Switching Library > Wescom

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder Wescom

Documents

pdf Wescom 730-511-201 I1 May82 - 7305 11 4W Prescription Line Amplifier

Published on 10 March 2019 70 downloads

Wescom 730-511-201 I1 May82 - 7305-11 4W Prescription Line Amplifier.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 730-530-201 I1 Oct81 - 7305 30 2 W LS Repeater, LS Only

Published on 10 March 2019 93 downloads

Wescom 730-530-201 I1 Oct81 - 7305-30 2-W LS Repeater, LS Only.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 7306-45 Data Channel Interface Block Diagram

Published on 10 March 2019 70 downloads

Wescom 7306-45 Data Channel Interface Block Diagram.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 731-500-203 731-600-203 I3 Feb79 - 7315-00 and 7316-00 DX Signaling Modules

Published on 10 March 2019 99 downloads

Wescom 731-500-203 731-600-203 I3 Feb79 - 7315-00 and 7316-00 DX Signaling Modules.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 734-101/3 i2 May75 - 734 Pulse Link Repeater Popular

Published on 30 November 2014 562 downloads

Download (pdf, 233 KB)

Wescom_734-101-3_i2_May75_-_734_Pulse_Link_Repeater.pdf

Wescom 734-101/3 i2 May75 - 734 Pulse Link Repeater

Issue 2, May 1975. Contributed by Dennis Hock.

pdf Wescom 7350-101-3 I2 Jul77 - 7350 Loop to E&M DLL Circuit Popular

Published on 17 September 2013 1063 downloads

Download (pdf, 661 KB)

Wescom_7350-101-3_I2_Jul77_7350_to_EM_DLL_Circuit.pdf

Wescom 7350-101-3 I2 Jul77 - 7350 Loop to E&M DLL Circuit

Issue 2, July 1977. Dial Long Line. Contributed by John Novack.

pdf Wescom 7360-101-3 I3 Oct73 - 7360 Loop To E&M DLL Circuit Popular

Published on 19 September 2013 1043 downloads

Download (pdf, 364 KB)

Wescom_7360-101-3_i3_Oct73_7360_Loop_to_EM_DLL_Circuit.pdf

Wescom 7360-101-3 I3 Oct73 - 7360 Loop To E&M DLL Circuit

Issue 3, October 1973. Dial Long Line. Contributed by John Novack.

pdf Wescom 737-000-204 I4 Nov81 - 7370 00 2 Wire Loop Signaling Repeater

Published on 10 March 2019 85 downloads

Wescom 737-000-204 I4 Nov81 - 7370-00 2-Wire Loop Signaling Repeater.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 7370-101-3 I2 Sep72 - 7370 Dial Long Line Repeater Circuit

Published on 10 March 2019 86 downloads

Wescom 7370-101-3 I2 Sep72 - 7370 Dial Long Line Repeater Circuit.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 7376-101-3 I2 Feb74 - 7376 Loop Start Ground Start Signaling Repeater

Published on 10 March 2019 73 downloads

Wescom 7376-101-3 I2 Feb74 - 7376 Loop Start Ground Start Signaling Repeater.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 748-003-201 I1 Mar84 - 7480 03 2 Wire CSU Interface Popular

Published on 10 March 2019 690 downloads

Download (pdf, 408 KB)

Wescom 748-003-201 I1 Mar84 - 7480-03 2-Wire CSU Interface.pdf

Wescom 748-003-201 I1 Mar84 - 7480 03 2 Wire CSU Interface

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 785-101-3 I1 Aug71 - 785 1D and 785 1G Terminating Sets

Published on 10 March 2019 72 downloads

Wescom 785-101-3 I1 Aug71 - 785-1D and 785-1G Terminating Sets.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 785-786-103 I2 Feb69 - 780 Terminating Set and Mounting Shelf

Published on 10 March 2019 83 downloads

Wescom 785-786-103 I2 Feb69 - 780 Terminating Set and Mounting Shelf.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom 840-101-3 I2 Apr71 - 840 48 Vdc Regulated Power Supply

Published on 10 March 2019 98 downloads

Wescom 840-101-3 I2 Apr71 - 840 -48 Vdc Regulated Power Supply.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom DTMF 6 Btn 2W 4W Schematic Popular

Published on 25 July 2010 1224 downloads

Download (pdf, 149 KB)

Wescom_DTMF_6_Btn_2W_4W_Schematic_bc.pdf

Wescom DTMF 6 Btn 2W 4W Schematic

pdf Wescom Rotary 6 Btn 2W 4W Schematic Popular

Published on 25 July 2010 1243 downloads

Download (pdf, 177 KB)

Wescom_Rotary_6_Btn_2W_4W_Schematic_bc.pdf

Wescom Rotary 6 Btn 2W 4W Schematic

pdf Wescom TL4-0XX-200 I1 Feb83 - TL40XX Mounting Assemblies Popular

Published on 10 March 2019 118 downloads

Wescom TL4-0XX-200 I1 Feb83 - TL40XX Mounting Assemblies.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom W702-E4B Summary

Published on 10 March 2019 82 downloads

Wescom W702-E4B Summary.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

pdf Wescom W702-E4B-103 I3 Jun67 - 2600Hz Inband Signaling System

Published on 10 March 2019 85 downloads

Wescom W702-E4B-103 I3 Jun67 - 2600Hz Inband Signaling System.pdf

Contributed by Henry Giese. Scanned by Josh Alberts.

New User?

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

Recent Contributors

Thanks for new documents from Bruce Patterson, Jon Kolger, Paul Ivester, Len Hicken, Paul Fassbender, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Mark Cuccia, Alan David, Harry Joseph, Charlie Terry, Karl Brose, Dennis Hock, Tim Griffin, Remco Enthoven, and Steve Cichorsky.

Please send a file to add your name to this list!

30 Latest Additions

Who's online

We have 642 guests online