You are here: Home > Browse the Library > BSPs (Bell System) > Most Popular > BSP Categories by later Division Number (by Doc #) > 500 - 529 Station Equipment > 518 Division - KTS, Video, Switching...

Check out the TCI YouTube channel here. Please subscribe!

Check here for the 2024 Telephone Shows

Folder 518 Division - KTS, Video, Switching...

Key Telephone Systems, Video Telephone Stations, and Switching Systems - Customer Equipment

Documents

Toggle Title Date Download
pdf 518-240-100 300-301-302-310-311 KSU's I.D. And Description (891 downloads) Popular Download (pdf, 3.88 MB)
pdf 518-240-100 I1 (686 downloads) Popular Download (pdf, 3.88 MB)
pdf 518-245-101 ~ 2301-Series Key Service Units ~ I.D. And Connections (789 downloads) Popular Download (pdf, 223 KB)
pdf 518-250-101 501 - 502-Type KSU I.D. - Installation (970 downloads) Popular Download (pdf, 674 KB)
pdf 518-255-401 - 550 And 551 KSU Issues 3 And 4 (1054 downloads) Popular Download (pdf, 577 KB)
pdf 518-255-401-i3-550-551-KSUs Tl (724 downloads) Popular Download (pdf, 332 KB)
pdf 518-255-401-i4-550-551-KSUs Tl (740 downloads) Popular Download (pdf, 253 KB)
pdf 518-270-101 I2 1A2 Panels - 583 & 584-types (865 downloads) Popular Download (pdf, 6.62 MB)
pdf 518-270-401 I4 1A2 Panels - 583 & 584-types - Conn & Maint (733 downloads) Popular Download (pdf, 699 KB)
pdf 518-300-100-i1-CENT KEY TELE INSTAL Tl (687 downloads) Popular Download (pdf, 2.48 MB)
pdf 518-300-413 I4 (600 downloads) Popular Download (pdf, 330 KB)
pdf 518-300-413 Tl (721 downloads) Popular Download (pdf, 122 KB)
pdf 518-300-417 I1 (689 downloads) Popular Download (pdf, 161 KB)
pdf 518-300-417 Tl (733 downloads) Popular Download (pdf, 212 KB)
pdf 518-310-113 ~ 247A KTU I.D., Installation, Maintenance (814 downloads) Popular Download (pdf, 1.10 MB)
pdf 518-310-400-i1-213B-KTU Tl (687 downloads) Popular Download (pdf, 1.23 MB)
pdf 518-310-401 I2 (690 downloads) Popular Download (pdf, 1.92 MB)
pdf 518-310-401-i2-227A B KTU Tl (803 downloads) Popular Download (pdf, 889 KB)
pdf 518-310-403 I3 KTU 232A & 232B (Interrupter) (840 downloads) Popular Download (pdf, 1.46 MB)
pdf 518-310-403 I3 Apr68 232A 232B KTU Interrupter (1077 downloads) Popular Download (pdf, 269 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 1005 guests online