You are here: Home > Browse the Library > BSPs (Bell System) > by Division Number > All Divisions > 300 - 379 Divisions - Transmission Sys & Testing > 312 Division - Private Line Data Systems and Serv.

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 312 Division - Private Line Data Systems and Serv.

Documents

pdf 312-000-000 I57 Popular

By 640 downloads

Download (pdf, 209 KB)

312-000-000_I57.pdf

312-000-000 I57

Contributed by Sam Etler.

pdf 312-000-000 I62 Popular

By 626 downloads

Download (pdf, 220 KB)

312-000-000_I62.pdf

312-000-000 I62

Contributed by Sam Etler.

pdf 312-001-011 I4 Popular

By 691 downloads

Download (pdf, 426 KB)

312-001-011_I4.pdf

312-001-011 I4

Contributed by Russ Kirk.

pdf 312-001-011 I4 S2 Popular

By 921 downloads

Download (pdf, 914 KB)

312-001-011_I4_S2.pdf

312-001-011 I4 S2

Contributed by Russ Kirk.

pdf 312-003-100 I1 Popular

By 929 downloads

Download (pdf, 2.06 MB)

312-003-100_I1.pdf

312-003-100 I1

Contributed by Russ Kirk.

pdf 312-004-100 I1 Popular

By 661 downloads

Download (pdf, 383 KB)

312-004-100_I1.pdf

312-004-100 I1

Contributed by Russ Kirk.

pdf 312-006-100 I1 Popular

By 668 downloads

Download (pdf, 474 KB)

312-006-100_I1.pdf

312-006-100 I1

Contributed by Russ Kirk.

pdf 312-007-100 I1 Popular

By 685 downloads

Download (pdf, 1.09 MB)

312-007-100_I1.pdf

312-007-100 I1

Contributed by Russ Kirk.

pdf 312-008-500 I1 Popular

By 778 downloads

Download (pdf, 101 KB)

312-008-500_I1.pdf

312-008-500 I1

Contributed by Russ Kirk.

pdf 312-009-100 I2 Popular

By 731 downloads

Download (pdf, 756 KB)

312-009-100_I2.pdf

312-009-100 I2

Contributed by Russ Kirk.

pdf 312-011-101 Add I1 Popular

By 697 downloads

Download (pdf, 38 KB)

312-011-101_Add_I1.pdf

312-011-101 Add I1

Contributed by Russ Kirk.

pdf 312-011-101 I1R Popular

By 703 downloads

Download (pdf, 192 KB)

312-011-101_I1R.pdf

312-011-101 I1R

Contributed by Russ Kirk.

pdf 312-011-101 X1 I1 Popular

By 676 downloads

Download (pdf, 261 KB)

312-011-101_X1_I1.pdf

312-011-101 X1 I1

Contributed by Russ Kirk.

pdf 312-011-101 X2 I1 Popular

By 688 downloads

Download (pdf, 360 KB)

312-011-101_X2_I1.pdf

312-011-101 X2 I1

Contributed by Russ Kirk.

pdf 312-011-101 X3 I1 Popular

By 698 downloads

Download (pdf, 953 KB)

312-011-101_X3_I1.pdf

312-011-101 X3 I1

Contributed by Russ Kirk.

pdf 312-011-501 I1 Popular

By 812 downloads

Download (pdf, 1.21 MB)

312-011-501_I1.pdf

312-011-501 I1

Contributed by Russ Kirk.

pdf 312-011-502 I1 Popular

By 739 downloads

Download (pdf, 77 KB)

312-011-502_I1.pdf

312-011-502 I1

Contributed by Russ Kirk.

pdf 312-012-100 I1 Popular

By 729 downloads

Download (pdf, 416 KB)

312-012-100_I1.pdf

312-012-100 I1

Contributed by Russ Kirk.

pdf 312-015-100 I1 Popular

By 680 downloads

Download (pdf, 300 KB)

312-015-100_I1.pdf

312-015-100 I1

Contributed by Russ Kirk.

pdf 312-210-100 I1 Popular

By 680 downloads

Download (pdf, 911 KB)

312-210-100_I1.pdf

312-210-100 I1

Contributed by Russ Kirk.

New User?

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

Recent Contributors

Thanks for new documents from Ed Palazzo, 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!

Who's online

We have 96 guests online