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Folder B-Series - PBX Installation and Maintenance

Documents

Toggle Title Date Download
pdf B204.448 I2-se (2537 downloads) Popular Download (pdf, 417 KB)
pdf B251.001 I4-se (2412 downloads) Popular Download (pdf, 253 KB)
pdf B256.222 I2-se (2356 downloads) Popular Download (pdf, 575 KB)
pdf B303.011.1 IA NY Cordless PBX Switchboard for Civil Defense Units (2626 downloads) Popular Download (pdf, 206 KB)
pdf B432.045 I1D Stromberg Carlson 319 and 320 keys (2591 downloads) Popular Download (pdf, 899 KB)
pdf B502.009 i2 Jun59 - Making and Removing Wrapped Connections (1579 downloads) Popular Download (pdf, 1.60 MB)
pdf B502.016 I2 Placing Switchboard Lamps (2676 downloads) Popular Download (pdf, 712 KB)
pdf B502.093 I1-se (2287 downloads) Popular Download (pdf, 1.29 MB)
pdf B502.201 I1 Cording Operator's Dials and Mountings (2582 downloads) Popular Download (pdf, 412 KB)
pdf B502.305 I1 Aug30 - Mounting and Aligning Miscellaneous Apparatus (2383 downloads) Popular Download (pdf, 351 KB)
pdf B502.321 I2 Mounting Handset Hangers (2606 downloads) Popular Download (pdf, 925 KB)
pdf B503.305 I1 Jul30 - Cleaning and Polishing Plugs (2522 downloads) Popular Download (pdf, 260 KB)
pdf B522.215 I1 505 B and C, 506 A and B PBX - Installation (2649 downloads) Popular Download (pdf, 264 KB)
pdf B522.225 i1 Oct51 - 507A, 507B PBX - Installation (2370 downloads) Popular Download (pdf, 213 KB)
pdf B522.225 i3 Jan60 - 507A, 507B PBX - Installation -se (2434 downloads) Popular Download (pdf, 472 KB)
pdf B522.231 i4 Oct51 - 507A, 507B PBX - Tests and Inspection (2729 downloads) Popular Download (pdf, 102 KB)
pdf B522.251 I2 505 and 506 PBX - Modification for Anti-Sidetone Connection (2440 downloads) Popular Download (pdf, 207 KB)
pdf B523.601 I1-se (2486 downloads) Popular Download (pdf, 458 KB)
pdf B523.602 I1-se (2541 downloads) Popular Download (pdf, 140 KB)
pdf B556.201 I2-se (2355 downloads) Popular Download (pdf, 2.10 MB)

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Recent Contributors

Thanks for new documents from Lou Maffei, Rick Thoensen. Paul Fassbender, Sheila Flory, Tom Hesson, Jim Hurtle, Ed Palazzo, Bruce Patterson, Remco Enthoven, Jon Kolger, Paul Ivester, Len Hicken, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, and Jeff Lamb.

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