- 21. 512-620-101CBR I1 Jul65 NBT 3A Speakerphone Ocr R
- Bell Canada Practice. Contributed by Paul Fassbender and Don Price. OCR by Clint Gilliland.
- Created on 12 January 2014
- 22. 512-620-400 i5 Apr64 - Speakerphone System 3 - Control Units - Excerpts Tl
- Issue 5, April 1964. Includes BSP pages 1,2,3,5 and 6 of 12 pages. Page 5 is a schematic of the 55B Control Unit, and is scanned on two pages (left and right of the sheet) and is the last two pages of ...
- Created on 22 September 2010
- 23. 512-620-410 I3
- Connections 512-620-410, Issue 3, 500R/S, 1500S, and 2500S
- Created on 23 July 2010
- 24. 512-620-415 I4
- Connections 512-620-415, Issue 4, 511-, 1511-, and 2511-Type
- Created on 23 July 2010
- 25. 512-620-418 I4
- Connections 512-620-418, Issue 4, 558-, 1558-, and 2558-Type
- Created on 23 July 2010
- 26. 512-620-420 I4
- Connections 512-620-420, Issue 4, 565-, 1565-, and 2565-Type
- Created on 23 July 2010
- 27. 512-620-430-i2-3A-spkrphone
- Contributed by the JKL Museum.
- Created on 11 January 2012
- 28. 512-620-440 i5 Jul79 - Speakerphone Connections - Call Directors
- Issue 5, July 1979. 630-, 631-, 1630-, 1631-, 2630-, and 2631-Type Connections.
- Created on 23 July 2010
- 29. 512-620-442 I3
- Connections 512-620-442, Issue 3, 632-, 1632-, and 2632-Type
- Created on 23 July 2010
- 30. 512-620-460 I3
- Connections 512-620-460, Issue 3, 660A1
- Created on 23 July 2010
- 31. 512-620-462 I3
- Connections 512-620-462, Issue 3, 662-Type
- Created on 23 July 2010
- 32. 512-620-480 I3
- Connections 512-620-480, Issue 3, 752-, 1752-, and 2752-Type
- Created on 23 July 2010
- 33. 512-620-487 I2
- Connections 512-620-487, Issue 2, 832-, 833-, 2832-, and 2833-Type
- Created on 23 July 2010
- 34. 512-620-495 I3
- Connections 512-620-495, Issue 3, 851- and 2851-Type
- Created on 23 July 2010
- 35. 518-450-102 i4 Feb81 - 14A Communication System - Com Key 1434
- 21MB. Issue 4, February 1981, 236 pages. ComKey 1434 Identification, Installation, Connection, Operation and Maintenance. Contributed by Sam Etler.
- Created on 31 March 2012
- 36. BSP 512-612-425 KEYSETS
- Created on 06 April 2010
- 37. BSP Cross Reference Lists - 1960s - Lettered Series to Plant Series B, C, E, F, G, M
- Includes: 000-020-002 i1 Sep60 - B to Plant 000-020-003 i2 Feb64 - C to Plant 000-020-006 i2 Mar67 - E to Plant 000-020-007 i1 Dec66 - F to Plant 000-020-008 i1 Jul61 - G, J to Plant 000-020-011 i1 Dec66 ...
- Created on 10 November 2019
- 38. Station Specialties Service Manual - SSSM - V2 I2 Oct80 [LARGE FILE]
- ... the following BSPs in bound handbook format: Table of Contents (TOC) General 512-630-111, Issue 2, 50A1 Conference Set Speakerphone - 3-Type 512-620-100, Issue 7, Speakerphone System - 3-Type Connections ...
- Created on 23 July 2010
- 39. Station, Key, PBX & Private Service Systems Index - 325-093 I6 Dec78 (17MB)
- 460-000-006, Issue 6, December 1978. Handbook Format. 160 pages. Not bookmarked, but searchable. 17 MB. Contributed by Steve Cichorsky. Note: Duplicate copies of this description are in the BSP Index ...
- Created on 12 November 2009
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