BSP Categories by later Division Number (by Doc #) - TCI Library 9-digit all numeric codes, used beginning in the early 1960s.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc?format=html Sun, 22 Mar 2026 14:52:05 -0700 en-GB hourly 1 500-110-100 SW Add iA Mar59 - Transmission Zoning https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14884-500-110-100-sw-add-ia-mar59-transmission-zoning?format=html 500-110-100 SW Add iA Mar59 - Transmission Zoning Southwest Bell Telephone Addendum. Authorizes the use of 5300-type telephone sets in Zone 2 if they are equipped with a G1 handle containing an F1 transmitter and a U1 receiver. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14884-500-110-100-sw-add-ia-mar59-transmission-zoning?format=html Southwest Bell Telephone Addendum. Authorizes the use of 5300-type telephone sets in Zone 2 if they are equipped with a G1 handle containing an F1 transmitter and a U1 receiver. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 500 Division - Station Sets - General Sun, 22 Mar 2026 14:52:05 -0700 500-110-100 SW Add iB Apr68 - Transmission Zoning https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14883-500-110-100-sw-add-ib-apr68-transmission-zoning?format=html 500-110-100 SW Add iB Apr68 - Transmission Zoning Southwest Bell Telephone addendum. Eliminates zones 2 and 5. Only zone L need be specified in the "TZ" (Transmission Zone) block on the service order, if applicable.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14883-500-110-100-sw-add-ib-apr68-transmission-zoning?format=html Southwest Bell Telephone addendum. Eliminates zones 2 and 5. Only zone L need be specified in the "TZ" (Transmission Zone) block on the service order, if applicable.

]]> paul-f@verizon.net (Paul F) 500 Division - Station Sets - General Sun, 22 Mar 2026 14:46:05 -0700 500-110-100 i3 Mar59 - Transmission Zoning https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14882-500-110-100-i3-mar59-transmission-zoning?format=html 500-110-100 i3 Mar59 - Transmission Zoning Renumbered from C38.003 i3 Mar59. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14882-500-110-100-i3-mar59-transmission-zoning?format=html Renumbered from C38.003 i3 Mar59. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 500 Division - Station Sets - General Sun, 22 Mar 2026 14:38:40 -0700 500-110-100 i4 Feb64 - Transmission Zoning https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14881-500-110-100-i4-feb64-transmission-zoning?format=html 500-110-100 i4 Feb64 - Transmission Zoning Eliminates zone 5-2. Updates the sets covered. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/500-division-station-sets-general/14881-500-110-100-i4-feb64-transmission-zoning?format=html Eliminates zone 5-2. Updates the sets covered. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 500 Division - Station Sets - General Sun, 22 Mar 2026 14:35:07 -0700 937-217-130 i1 Jun 1954 https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14855-937-217-130-i1-jun-1954?format=html 937-217-130 i1 Jun 1954 Contributed by: Jonathan Glusband

Section AG17.130

Joined Use of Wood Poles

Agreement Forms for Use with Organizations Financed by the Rural Electrification Administration

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14855-937-217-130-i1-jun-1954?format=html Contributed by: Jonathan Glusband

Section AG17.130

Joined Use of Wood Poles

Agreement Forms for Use with Organizations Financed by the Rural Electrification Administration

]]> r.h.enthoven@infc.info (Remco E) 937 Division - Outside Plant Engineering - Management Coordination Mon, 25 Aug 2025 10:15:30 -0700 937-217-126 i1 Sep 1972 https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14854-937-217-126-i1-sep-1972?format=html 937-217-126 i1 Sep 1972 Contributed by: Jonathan Glusband

Division of Cost Methods in Formulating Joint Use Agreements

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14854-937-217-126-i1-sep-1972?format=html Contributed by: Jonathan Glusband

Division of Cost Methods in Formulating Joint Use Agreements

]]> r.h.enthoven@infc.info (Remco E) 937 Division - Outside Plant Engineering - Management Coordination Mon, 25 Aug 2025 10:14:27 -0700 937-217-125 i1 Jan 1954 https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14853-937-217-125-i1-jan-1954?format=html 937-217-125 i1 Jan 1954 Contributed by: Jonathan Glusband

Joined Use of Wood Poles

General Agreement with Power Companies

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14853-937-217-125-i1-jan-1954?format=html Contributed by: Jonathan Glusband

Joined Use of Wood Poles

General Agreement with Power Companies

]]> r.h.enthoven@infc.info (Remco E) 937 Division - Outside Plant Engineering - Management Coordination Mon, 25 Aug 2025 10:13:32 -0700 937-217-001 i3 Sep 1979 https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14852-937-217-001-i3-sep-1979?format=html 937-217-001 i3 Sep 1979 Contributed by: Jonathan Glusband

Coordination Activities with the Edison Electric Institute

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/937-division-outside-plant-engineering-management-coordination/14852-937-217-001-i3-sep-1979?format=html Contributed by: Jonathan Glusband

Coordination Activities with the Edison Electric Institute

]]> r.h.enthoven@infc.info (Remco E) 937 Division - Outside Plant Engineering - Management Coordination Mon, 25 Aug 2025 10:12:27 -0700 501-163-100 i1 Dec61 - Station Dials 40-Type https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/501-division-station-set-components/14834-501-163-100-i1-dec61-station-dials-40-type?format=html 501-163-100 i1 Dec61 - Station Dials 40-Type Used in the 661 keyset card dialer. Line powered and polarity-sensitive dial.
Replaced by the 41-type dials, which needed an external low voltage power supply. The 41-type was used in the 662 keyset card dialer and most later rotary card dialers.
Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/501-division-station-set-components/14834-501-163-100-i1-dec61-station-dials-40-type?format=html Used in the 661 keyset card dialer. Line powered and polarity-sensitive dial.
Replaced by the 41-type dials, which needed an external low voltage power supply. The 41-type was used in the 662 keyset card dialer and most later rotary card dialers.
Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 501 Division - Station Set Components Fri, 23 May 2025 15:28:38 -0700 770-130-301 i2 Aug52 - Sweeping https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/770-division-building-operation/14833-770-130-301-i2-aug52-sweeping?format=html 770-130-301 i2 Aug52 - Sweeping 1.01 This section describes the procedure for sweeping with floor brushes to remove loose dirt and litter accumulated on floors, stairways, sidewalks, areaways, etc.

Also see "H-series Sweeping BSPs from 1952-59"

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/660-984-vehicles-supplies-gen-l/770-division-building-operation/14833-770-130-301-i2-aug52-sweeping?format=html 1.01 This section describes the procedure for sweeping with floor brushes to remove loose dirt and litter accumulated on floors, stairways, sidewalks, areaways, etc.

Also see "H-series Sweeping BSPs from 1952-59"

]]> paul-f@verizon.net (Paul F) 770 Division - Building Operation Tue, 20 May 2025 10:00:20 -0700 502-532-403 i2 Feb71 - 1511D Service https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/502-division-station-sets-common-battery/14831-502-532-403-i2-feb71-1511d-service?format=html 502-532-403 i2 Feb71 - 1511D Service Wiring Diagram. Contributed by Frank Harrell.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/502-division-station-sets-common-battery/14831-502-532-403-i2-feb71-1511d-service?format=html Wiring Diagram. Contributed by Frank Harrell.

]]> paul-f@verizon.net (Paul F) 502 Division - Station Sets - Common Battery Wed, 14 May 2025 19:04:26 -0700 502-510-401 i7 Apr66 - 500, 501 Connections https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/502-division-station-sets-common-battery/14826-502-510-401-i7-apr66-500-501-connections?format=html 502-510-401 i7 Apr66 - 500, 501 Connections Contributed by the Connections Museum.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/502-division-station-sets-common-battery/14826-502-510-401-i7-apr66-500-501-connections?format=html Contributed by the Connections Museum.

]]> paul-f@verizon.net (Paul F) 502 Division - Station Sets - Common Battery Tue, 08 Apr 2025 16:43:58 -0700 951-920-100 i1 Sep63 - Touch-Tone Calling https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/950-993-division-8-digits-series/14825-951-920-100-i1-sep63-touch-tone-calling?format=html 951-920-100 i1 Sep63 - Touch-Tone Calling 27 pages. Early description of touch-tone calling. Methods of partial conversion and complete conversion to use tone signals in existing mechanical exchanges. Contributed by the Connections Museum.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/950-993-division-8-digits-series/14825-951-920-100-i1-sep63-touch-tone-calling?format=html 27 pages. Early description of touch-tone calling. Methods of partial conversion and complete conversion to use tone signals in existing mechanical exchanges. Contributed by the Connections Museum.

]]> paul-f@verizon.net (Paul F) 950 - 993 Division (8 Digits Series) Tue, 08 Apr 2025 16:31:26 -0700 028-360-501 i7 Nov60 - 52-type Head Tel Sets - Inspection, Tests https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/14816-028-360-501-i7-nov60-52-type-head-tel-sets-inspection-tests?format=html 028-360-501 i7 Nov60 - 52-type Head Tel Sets - Inspection, Tests Head telephone sets, headsets. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/020-199-apparatus-tools-gauges-test-eq-power/022-049-divisions-apparatus/028-division-bells-dials-headsets-sounders/14816-028-360-501-i7-nov60-52-type-head-tel-sets-inspection-tests?format=html Head telephone sets, headsets. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 028 Division - Bells, Dials, Headsets, Sounders Tue, 11 Mar 2025 14:44:04 -0700 480-310-100 i3 Mar64 - Group Alerting System ID https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14810-480-310-100-i3-mar64-group-alerting-system-id?format=html 480-310-100 i3 Mar64 - Group Alerting System ID Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14810-480-310-100-i3-mar64-group-alerting-system-id?format=html Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 480 Division - Private Service Systems Mon, 03 Mar 2025 17:23:58 -0800 480-310-200 i4 Jun69 - Group Alerting System Installation and Maintenance https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14809-480-310-200-i4-jun69-group-alerting-system-installation-and-maintenance?format=html 480-310-200 i4 Jun69 - Group Alerting System Installation and Maintenance Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14809-480-310-200-i4-jun69-group-alerting-system-installation-and-maintenance?format=html Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 480 Division - Private Service Systems Mon, 03 Mar 2025 17:23:11 -0800 480-310-400 i4 Jun69 - Group Alerting System Connections https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14808-480-310-400-i4-jun69-group-alerting-system-connections?format=html 480-310-400 i4 Jun69 - Group Alerting System Connections Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/460-489-wiring-special-services/480-division-private-service-systems/14808-480-310-400-i4-jun69-group-alerting-system-connections?format=html Uses either 2AB telephone answering set, or KS-16765, List 1 announcement set. Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 480 Division - Private Service Systems Mon, 03 Mar 2025 17:22:05 -0800 514-124-100 i1 Apr61 - 2A Answering Set Identification and Assembly https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14807-514-124-100-i1-apr61-2a-answering-set-identification-and-assembly?format=html 514-124-100 i1 Apr61 - 2A Answering Set Identification and Assembly Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14807-514-124-100-i1-apr61-2a-answering-set-identification-and-assembly?format=html Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 514 Division - Answering and Announcement... Mon, 03 Mar 2025 14:25:26 -0800 514-124-101 i2 Sep62 - 2A Answering Set Operation https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14806-514-124-101-i2-sep62-2a-answering-set-operation?format=html 514-124-101 i2 Sep62 - 2A Answering Set Operation Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14806-514-124-101-i2-sep62-2a-answering-set-operation?format=html Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 514 Division - Answering and Announcement... Mon, 03 Mar 2025 14:24:03 -0800 514-124-200 i1 Apr61 - 2A Answering Set Installation https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14805-514-124-200-i1-apr61-2a-answering-set-installation?format=html 514-124-200 i1 Apr61 - 2A Answering Set Installation Contributed by Paul Fassbender.

]]> https://www.telephonecollectors.info/index.php/browse/document-repository/bsp-bell-system-practices-by-doc/bsp-categories-by-later-division-number-by-doc/500-529-station-equipment/514-division-answering-and-announcement/14805-514-124-200-i1-apr61-2a-answering-set-installation?format=html Contributed by Paul Fassbender.

]]> paul-f@verizon.net (Paul F) 514 Division - Answering and Announcement... Mon, 03 Mar 2025 14:23:14 -0800