You are here: Home > Browse the Library > BSPs (Bell System) > Most Popular > BSP Categories by later Division Number (by Doc #) > 300 - 379 Divisions - Transmission Sys & Testing > 331 Division - Transmission Noise Testing

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 331 Division - Transmission Noise Testing

Central Office PBX Customer Lines and Equipment

Documents

Toggle Title Date Download
pdf 331-000-000 I26 (801 downloads) Popular Download (pdf, 64 KB)
pdf 331-000-000SW Add IC (789 downloads) Popular Download (pdf, 39 KB)
pdf 331-001-011 I1 (965 downloads) Popular Download (pdf, 209 KB)
pdf 331-100-100 I2 (1814 downloads) Popular Download (pdf, 1.07 MB)
pdf 331-100-101 I2 (1645 downloads) Popular Download (pdf, 349 KB)
pdf 331-700-100 I1 (925 downloads) Popular Download (pdf, 598 KB)
pdf 331-700-110 I1 (763 downloads) Popular Download (pdf, 132 KB)
pdf 331-700-130 I1 (790 downloads) Popular Download (pdf, 124 KB)
pdf 331-700-501 I1 (816 downloads) Popular Download (pdf, 496 KB)
pdf 331-700-502 I1 (779 downloads) Popular Download (pdf, 511 KB)
pdf 331-700-503 I1 (777 downloads) Popular Download (pdf, 461 KB)
pdf 331-700-504 I1 (782 downloads) Popular Download (pdf, 466 KB)
pdf 331-700-505 I1 (869 downloads) Popular Download (pdf, 465 KB)
pdf 331-701-500 I1 (808 downloads) Popular Download (pdf, 758 KB)
pdf 331-701-501 I1 (869 downloads) Popular Download (pdf, 795 KB)
pdf 331-850-505 I6 (794 downloads) Popular Download (pdf, 673 KB)

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 1145 guests online