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

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

Documents

pdf 518-240-100 300-301-302-310-311 KSU's I.D. And Description Popular

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518-240-100 300-301-302-310-311 KSU's I.D. and Description.pdf

518-240-100 300-301-302-310-311 KSU's I.D. And Description

pdf 518-240-100 I1 Popular

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518-240-100_I1.pdf

518-240-100 I1

Contributed by Russ Kirk.

pdf 518-245-101 ~ 2301-Series Key Service Units ~ I.D. And Connections Popular

By 747 downloads

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518-245-101 ~ 2301-Series Key Service Units ~ I.D. and Connections.pdf

518-245-101 ~ 2301-Series Key Service Units ~ I.D. And Connections

pdf 518-250-101 501 - 502-Type KSU I.D. - Installation Popular

By 924 downloads

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518-250-101 501 - 502-Type KSU I.D. - Installation.pdf

518-250-101 501 - 502-Type KSU I.D. - Installation

pdf 518-255-401 - 550 And 551 KSU Issues 3 And 4 Popular

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550 and 551 KSU Issues 3 and 4.pdf

518-255-401 - 550 And 551 KSU Issues 3 And 4
Contains both Issue 2, April 1966 and Issue 4, March 1968.

pdf 518-255-401-i3-550-551-KSUs Tl Popular

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518-255-401-i3-550-551-KSUs_tl.pdf

pdf 518-255-401-i4-550-551-KSUs Tl Popular

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518-255-401-i4-550-551-KSUs_tl.pdf

pdf 518-270-101 I2 1A2 Panels - 583 & 584-types Popular

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518-270-101_I2_Jun66_1A2_Panels_583_584_Types.pdf

518-270-101 I2 1A2 Panels - 583 & 584-types
June 1966.  Contributed by Steve Cichorsky.

pdf 518-270-401 I4 1A2 Panels - 583 & 584-types - Conn & Maint Popular

By 692 downloads

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518-270-401_I4_Jan68_1A2_Panels_583_584_Types_ConnMaint.pdf

518-270-401 I4 1A2 Panels - 583 & 584-types - Conn & Maint
January 1968.  Contributed by Steve Cichorsky.

pdf 518-300-100-i1-CENT KEY TELE INSTAL Tl Popular

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518-300-100-i1-CENT_KEY_TELE_INSTAL_tl.pdf

pdf 518-300-413 I4 Popular

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518-300-413_I4.pdf

518-300-413 I4
[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 518-300-413 Tl Popular

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518-300-413_tl.pdf

pdf 518-300-417 I1 Popular

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518-300-417_I1.pdf

518-300-417 I1
[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 518-300-417 Tl Popular

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518-300-417_tl.pdf

pdf 518-310-113 ~ 247A KTU I.D., Installation, Maintenance Popular

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518-310-113 ~ 247A KTU I.D., Installation, Maintenance.pdf

518-310-113 ~ 247A KTU I.D., Installation, Maintenance

BELL SYSTEM PRACTICES
SECTION 518-310-113
Plant Series
Issue 1, February 1968
AT&TCo Standard

247A KEY TELEPHONE UNIT IDENTIFICATION, INSTALLATION, AND MAINTENANCE

pdf 518-310-400-i1-213B-KTU Tl Popular

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518-310-400-i1-213B-KTU_tl.pdf

pdf 518-310-401 I2 Popular

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518-310-401_I2.pdf

518-310-401 I2
[Extracted from KSSM, i6, July 1980 by Sam Etler]

pdf 518-310-401-i2-227A B KTU Tl Popular

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518-310-401-i2-227A_B_KTU_tl.pdf

pdf 518-310-403 I3 KTU 232A & 232B (Interrupter) Popular

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518-310-403_I3_Apr68_232A_232B_KTU_Interrupters_ ID_Connections.pdf

518-310-403 I3 KTU 232A & 232B (Interrupter)
April 1968. Contributed by Steve Cichorsky.

pdf 518-310-403 I3 Apr68 232A 232B KTU Interrupter Popular

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518-310-403_i3_Apr68_232A_232B_KTU_Interrupter.pdf

518-310-403 I3 Apr68 232A 232B KTU Interrupter

Contributed by John Novack. 

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