You are here: Home > Browse the Library > Document Repository > All Repository Topics > BSP - Bell System Practices (by Doc #) > BSP Categories by later Division Number (by Doc #) > 530 - 559 Private Branch Exchanges > 551 Division - 756A, 757A, 758A-B-C, 761, 770 PBX

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 551 Division - 756A, 757A, 758A-B-C, 761, 770 PBX

Documents

pdf 551-100-100 i1 May75 - 756A PBX TOP VOL 1 - OCR Popular

By 2591 downloads

Download (pdf, 8.83 MB)

551-100-100_i1_May75_756A_PBX_TOP_VOL_1_OCR.pdf

551-100-100 i1 May75 - 756A PBX TOP VOL 1 - OCR
Issue 1, May 1975.  Task Oriented Practice, Volume 1 of 2, Installation and test. Contributed by Peter Voetsch.  Scanned by John Jones.  OCR and .pdf prep by John Novack.

pdf 551-100-101 i1 May75 - 756A PBX TOP VOL 2 - OCR Popular

By 1348 downloads

Download (pdf, 5.84 MB)

551-100-101_i1_May75_756A_PBX_TOP_VOL_2_OCR_A5.pdf

551-100-101 i1 May75 - 756A PBX TOP VOL 2 - OCR

Issue 1, May 1975.  Task Oriented Practice, Volume 2 of 2, Repair. Contributed by Peter Voetsch.  Scanned by John Jones.  OCR and .pdf prep by John Novack.

pdf 551-144-210 I3 Mar68 Miscellaneous Equipment 756A PBX Popular

By 1072 downloads

Download (pdf, 2.62 MB)

551-144-210_I3_Mar68_Miscellaneous_Equipment_756A_PBX.pdf

551-144-210 I3 Mar68 Miscellaneous Equipment 756A PBX
Issue 3, March 1968.  Contributed by Clint Gilliland.

pdf 551-147-210 I3 Aug68 Service Operations 756A PBX Popular

By 1078 downloads

Download (pdf, 3.85 MB)

551-147-210_I3_Aug68_Service_Operations_756A.pdf

551-147-210 I3 Aug68 Service Operations 756A PBX
Issue 3, August, 1968.  Contributed by Clint Gilliland.

pdf 551-720-210 i3 Mar79 - Switching Cabinet - 761B PBX Popular

By 781 downloads

Download (pdf, 1.65 MB)

551-720-210_i3_Mar79_Switching_Cabinet_761B_PBX_tci_ocr.pdf

551-720-210 i3 Mar79 - Switching Cabinet - 761B PBX

See "Phone Service for Small Motels - The 761A PBX Switch and 543D Desk Set" in Singing Wires, September 2016. Contributed by Paul Wills. Processed by Paul Fassbender.

pdf 551-722-210 i2 Jun79 - Attendant Station Equipment - 761 PBX Popular

By 704 downloads

Download (pdf, 1.75 MB)

551-722-210_i2_Jun79_Attendant_Station_Equipment_761_PBX_tci_ocr.pdf

551-722-210 i2 Jun79 - Attendant Station Equipment - 761 PBX

See "Phone Service for Small Motels - The 761A PBX Switch and 543D Desk Set" in Singing Wires, September 2016. Contributed by Paul Wills. Processed by Paul Fassbender.

pdf 551-736-301 i2 Sep68 - Attendant and Station Equip - Operation - 761B PBX Popular

By 631 downloads

Download (pdf, 1.49 MB)

551-736-301_i2_Sep68_Attendant_and_Station_Equip_Operation_761B_PBX_tci_ocr.pdf

551-736-301 i2 Sep68 - Attendant and Station Equip - Operation - 761B PBX

See "Phone Service for Small Motels - The 761A PBX Switch and 543D Desk Set" in Singing Wires, September 2016. Contributed by Paul Wills. Processed by Paul Fassbender.

New User?

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

Recent Contributors

Thanks for new documents from Jim Hurtle, Ed Palazzo, Paul Fassbender, Bruce Patterson, Remco Enthoven, Jon Kolger, Paul Ivester, Len Hicken, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Alan David, Dennis Hock, and Tim Griffin.

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

Who's online

We have 651 guests online