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October 1970, issue 1. 568HT is an early touch tone set with 22-type dial including red P (Priority) and SG (Special Grade) buttons and round line keys. For 2- and 4-wire service. SG connected to a 4-wire line if available. Replaced by the 1568HT, which had square line keys. Early dials had a different button contour than the 25-type dials used on the 1500-series production sets. 568HB has a rotary dial. Includes info formerly in 502-532-100, 502-532-400 and 502-532-430. Contributed by Rick Walsh.

pdf 502-543-400 i2 Dec72 - 2563HB Set Service Popular

Published on 24 March 2019 By Paul F 207 downloads

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502-543-400_i2_Dec72_-_2563HB_Set_Service_tci_ocr.pdf

Contributed by Clint Gilliland. Processed by Paul Fassbender.

pdf 502-543-400 i5 Dec80 - 2563HB 2563HBM and 2563HBMS Telephone Sets - Service Maint Connections Popular

Published on 21 March 2019 By Paul F 181 downloads

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502-543-400_i5_Dec80_-_2563HB_2563HBM_and_2563HBMS_Telephone_Sets_Service_Maint_Connections_tci-ocr.pdf

Contributed by Steve Cichorsky. Processed by Remco Enthoven and Paul Fassbender.

pdf 502-543-400 i5 Dec80 - 2563HBM 2563HBMS - Maintenance and Connections Popular

Published on 15 April 2019 By Paul F 204 downloads

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502-543-400_i5_Dec80_-_2563HBM_2563HBMS_-_Maintenance_and_Connections_tci-ocr.pdf

Contributed by Steve Cichorsky. Processed by Paul Fassbender.

pdf 502-543-402 I6 Popular

Published on 11 February 2012 By Anonymous 293 downloads

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502-543-402_I6.pdf

Contributed by Russ Kirk.

pdf 502-543-403 I6 Popular

Published on 23 February 2012 By Anonymous 381 downloads

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502-543-403_I6.pdf

[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 502-543-403-i1-Service-2565GK-Telephone-Sets Tl Popular

Published on 22 September 2010 By Anonymous 345 downloads

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502-543-403-i1-Service-2565GK-Telephone-Sets_tl.pdf

pdf 502-543-405 I8 Popular

Published on 23 February 2012 By Anonymous 365 downloads

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502-543-405_I8.pdf

[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 502-543-405-i1-Service-2565HK-Telephone-Sets Tl Popular

Published on 22 September 2010 By Anonymous 544 downloads

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502-543-405-i1-Service-2565HK-Telephone-Sets_tl.pdf

pdf 502-543-406 I1 Popular

Published on 11 February 2012 By Anonymous 349 downloads

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502-543-406_I1.pdf

Contributed by Russ Kirk.

pdf 502-543-406 I8 Popular

Published on 23 February 2012 By Anonymous 372 downloads

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502-543-406_I8.pdf

[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 502-543-406 Service 2565LK Telephone Sets (From Charles Graf) Popular

Published on 17 May 2011 By Anonymous 403 downloads

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502-543-406 Service 2565LK Telephone Sets (From Charles Graf).pdf

pdf 502-543-406-i1-Service-2565LK-Telephone-Sets Tl Popular

Published on 22 September 2010 By Anonymous 504 downloads

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502-543-406-i1-Service-2565LK-Telephone-Sets_tl.pdf

pdf 502-560-109 I1 Jun68 - 529B Telephone Set Popular

Published on 16 July 2012 By Anonymous 890 downloads

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502-560-109_i1_Jun68_529B_Telephone_Set.pdf

Issue 1, June 1968. Rotary dial desk set intended for use with 101- and 102-type key equipment. Replaces 329C. No speech network. Identification, Installation, connections and maintenance. Wiring diagram. Contributed by Dave Gruger.

pdf 502-560-400-i3-Telephone-Sets-525A-525B-Connections-Sets Tl Popular

Published on 22 September 2010 By Anonymous 371 downloads

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502-560-400-i3-Telephone-Sets-525A-525B-Connections-Sets_tl.pdf

pdf 502-580-401 i3 May76 - 500AD, 500ADM - Service Tl Popular

Published on 22 September 2010 Modified on 11 June 2018 By Anonymous 273 downloads

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502-580-401-i3-500AD-ADM-Service_tl.pdf

502-580-401 i3 May76 - 500AD, 500ADM - Service Tl

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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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Folder 502 Division - Station Sets - Common Battery

Documents

pdf 502-542-402-i1-Service-1564HK-HL-Telephone-Set Tl Popular

pdf 502-542-403-i1-Service-1565GK-Telephone-Set Tl Popular

pdf 502-542-404-i1-Service-1565HK-Telephone-Sets Tl Popular

pdf 502-542-405-i1-Service-1565LK-Telephone-Sets Tl Popular

pdf 502-542-406 i1 Oct70 - 568HT 1568HT Service Popular

pdf 502-543-400 i2 Dec72 - 2563HB Set Service Popular

pdf 502-543-400 i5 Dec80 - 2563HB 2563HBM and 2563HBMS Telephone Sets - Service Maint Connections Popular

pdf 502-543-400 i5 Dec80 - 2563HBM 2563HBMS - Maintenance and Connections Popular

pdf 502-543-402 I6 Popular

pdf 502-543-403 I6 Popular

pdf 502-543-403-i1-Service-2565GK-Telephone-Sets Tl Popular

pdf 502-543-405 I8 Popular

pdf 502-543-405-i1-Service-2565HK-Telephone-Sets Tl Popular

pdf 502-543-406 I1 Popular

pdf 502-543-406 I8 Popular

pdf 502-543-406 Service 2565LK Telephone Sets (From Charles Graf) Popular

pdf 502-543-406-i1-Service-2565LK-Telephone-Sets Tl Popular

pdf 502-560-109 I1 Jun68 - 529B Telephone Set Popular

pdf 502-560-400-i3-Telephone-Sets-525A-525B-Connections-Sets Tl Popular

pdf 502-580-401 i3 May76 - 500AD, 500ADM - Service Tl Popular

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