Folder 536 Division - 500 Series PBX

500 Series PBX

Documents

Select Toggle Title Date Download
pdf 536-580-510 Add i1 Mar71 - 558A PBX - Instal, Tests and Inspections (422 downloads) Popular Download (pdf, 1.90 MB)
pdf 536-580-310 Add i1 Feb70 - 29A2-type Console "Replacing Page" Addendum (372 downloads) Popular Download (pdf, 2.54 MB)
pdf 536-580-210 Add i1 Mar71 - 558A PBX - Ident Inst and Conn (419 downloads) Popular Download (pdf, 1.45 MB)
pdf 536-580-110 i1 Feb70 - 558A PBX - Description of Operation (626 downloads) Popular Download (pdf, 8.57 MB)
pdf 536-550-230 i2 Aug60 - 555 PBX - Tests and Inspections at Time of Installation (402 downloads) Popular Download (pdf, 269 KB)
pdf 536-550-210 i4 Mar70 and PT App 1 iA May 69 - 555 PBX Installation (1259 downloads) Popular Download (pdf, 3.46 MB)
pdf 536-520-110 i1 Nov52 - 552B 552E PBX - General Description (419 downloads) Popular Download (pdf, 492 KB)
pdf 536-490-667 i2 Aug54 - Ringdown and Automatic Tie Trunk Circuits - Operation Test (414 downloads) Popular Download (pdf, 182 KB)
pdf 536-490-210 i4 Nov56 - 551A 551B 552B PBX - Install (559 downloads) Popular Download (pdf, 520 KB)
pdf 536-001-011 I2 (1003 downloads) Popular Download (pdf, 422 KB)
pdf 536-050-210 I2 (1239 downloads) Popular Download (pdf, 232 KB)
pdf 536-050-230 I1 (1188 downloads) Popular Download (pdf, 101 KB)
pdf 536-050-511 I2 (1198 downloads) Popular Download (pdf, 158 KB)
pdf 536-050-800 I2 (1221 downloads) Popular Download (pdf, 143 KB)
pdf 536-070-001 I1 (1110 downloads) Popular Download (pdf, 218 KB)
pdf 536-070-210 I3 (1322 downloads) Popular Download (pdf, 509 KB)
pdf 536-070-230 I1 (743 downloads) Popular Download (pdf, 116 KB)
pdf 536-070-511 I2 (845 downloads) Popular Download (pdf, 157 KB)
pdf 536-070-512 I1 (831 downloads) Popular Download (pdf, 158 KB)
pdf 536-490-110 I1 (771 downloads) Popular Download (pdf, 267 KB)

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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.

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