Bell System and AT&T Technical Reference Publications (TR PUBs)

Special thanks to Tim Fox for providing many reams of physical documents!

Section Date Issue Size Title
400001972-01-011000.55 KBBell System Technical References - Catalog
400001972-05-012.13 MBBell System Technical References - Catalog
400001975-12-011.38 MBBell System Technical References - Catalog [326-299]
400001980-01-011.42 MBBell System Technical References - Catalog [326-299]
400001982-01-011.79 MBBell System Technical References - Catalog [326-299]
40000 A1980-07-0169.05 KBBell System Technical References - Catalog [326-967]
40000 A1982-01-01189.72 KBBell System Technical References - Catalog [326-340]
410011967-12-01438.56 KB30-Baud Private Line Channels - Interface Specification [326-518]
410021967-12-01457.97 KB45-, 55- & 75-Baud Private Line Channels - Interface Specification [326-524]
410031968-02-014.41 MB150 Baud Private Line Channels - Interface Specification
410031975-09-012.88 MB150 Baud Private Line Channels - Interface Specification [326-536]
410041973-10-013.72 MBData Communications Using Voiceband Private Line Channels [326-584]
410081974-07-012.02 MBTransmission Parameters Affecting Voiceband Data Transmission - Description of Parameters [326-305]
410091975-05-012.67 MBTransmission Parameters Affecting Voiceband Data Transmission - Measuring Techniques [326-310]
410111973-05-01719.93 KBTransmission Specifications for Voice Grade Private Line Protective Relaying Channels [326-304]
410121973-06-013.78 MB1A Data Station, Multichannel Arrangement Used in Provision of Two-Point Channelizing Service [326-317]
410131975-07-01627.05 KBTransmission Specifications for Low Speed Signaling System Channels [326-318]
41014 S1976-12-01155.24 KBData Communications Using DATAPHONE Select-A-Station Service - Supplement [326-131]
410211973-03-011.57 MBDigital Data System - Channel Interface Specifications - Preliminary [326-342]
410221974-09-01577.21 KBMultistation DATAPHONE Digital Service (USOC DDZ) - Preliminary [326-306]
410251976-04-011.52 MBTransaction Network Polled Access Interface Specifications - Preliminary [326-115]
410261976-04-013.07 MBTransaction Network Dial In Interface Specification - Preliminary [326-114]
410271976-04-013.56 MBTransaction Network Synchrous [sic - Synchronous] Interface Specifications - Preliminary [326-113]
411011967-02-012.12 MBData Set 103A - Interface Specification
411021968-10-011.36 MBData Set 103E - Data Set 103G - Data Set 103H - Interface Specification
411031964-05-011.71 MBData Set 103F - Interface Specification
411041969-05-012.12 MBData Set 113A - Interface Specification
411051971-10-012.60 MB113-Type Data Station - Interface Specification [326-319]
412011962-09-011.46 MBData Sets 201A and 201B - Interface Specifications
412011969-08-012.02 MBData Sets 201A and 201B
41201 S21968-11-01109.10 KBData Sets 201A and 201B - Interface Specification
412021964-05-013.48 MBData Sets 202C and 202D - Interface Specification
412041970-06-013.86 MBData Set 203-Type
412041974-04-013.14 MBData Set 203-Type - Interface Specification
412091973-11-011.88 MBData Set 208A - Interface Specification [326-368]
412111973-08-011.88 MBData Set 208B - Interface Specification [326-373]
412131974-05-013.67 MBData Set 209A - Interface Specification - Preliminary
412141976-10-012.33 MBData Set 212A - Interface Specification - Preliminary [326-330]
413011967-03-01532.63 KBData Set 301B - Interface Specification
413021964-10-011.90 MBWideband Data Stations - X303A Type - Interface Specification - Preliminary
413021966-08-013.10 MBWideband Data Stations - 303 Type
413021974-12-014.24 MBWideband Data Stations - 303 Type [326-403]
41302 S11969-03-01363.22 KBWideband Data Stations - 303 Type
413031970-08-011.94 MBThe Display Data Set F-58167 Used to Provide Computer Access Service for PICTUREPHONE Stations - Preliminary [326-591]
413041971-07-011.39 MBWideband Data Set - 306-Type - Interface Specification [326-411]
414011966-04-011.76 MBData Sets 401A and 401E
414031965-09-01965.75 KBData Set 401J - Interface Specification [326-422]
414051964-11-011.35 MBData Sets 402C and 402D - Interface Specification [326-446]
414081975-06-012.05 MBData Set 407 - Interface Specification - Preliminary [326-456]
414491989-07-012.017.57 MBAT&T Integrated Services Digital Network (ISDN) Primary Rate Inteface Specification
414501973-03-012.37 MBDigital Data System - Data Service Unit - Interface Specifications - Preliminary [326-460]
41450 A1974-11-01145.32 KBDigital Data System - Data Service Unit - Interface Specifications - Preliminary [326-462]
414511977-05-011023.04 KB1.544 Mbps Digital Service - Channel Interface Specifications (Including 1.344 Mbps Service Option) [326-463]
414521976-03-012.59 MBDATAPHONE Switched Digital Service - Data Service Unit - Interface Specifications - Preliminary [326-118]
414581996-10-01327.26 KBSpecial Access Connections to the AT&T Network
414591990-07-016.94 MBAT&T Integrated Services Digital Network (ISDN) Primary Rate Inteface and Special Application Specification - User - Network Interface Description
414591999-06-011.67 MBAT&T Network Integrated Services Digital Network (ISDN) Primary Rate Interface and Special Application Specification - User-Network Interface Description
416011964-03-01951.54 KBData Auxiliary Set 801A (Automatic Calling Unit) - Interface Specification
416021965-09-012.03 MBData Auxiliary Set 801C (Automatic Calling Unit) - Interface Specification
416031976-11-011.23 MB801C - L1/2 Data Auxiliary Set - Interface Specification - Preliminary [326-507]
417011967-09-011021.96 KB83B3 Teletypewriter Selective Calling System [326-530]
417021971-10-012.53 MB85A1 and 85A2 Selective Calling Service Stations [326-533]
417031969-06-011.84 MB86A1 and 86A2 Data Selective Calling Service Stations [326-541]
41703 ES1969-06-0175.43 KB86A1 and 86A2 Data Selective Calling Service Stations - Errata Sheet
417041968-11-011.79 MB86B-Types - Data Selecting Calling System Stations [326-121]
41704 ES42.04 KB86B-Types - Data Selecting Calling System Stations - Errata Sheet
417051971-05-011.22 MBData Line Concentrator System (DLCS) - Arrangements [326-578]
417061968-09-012.68 MBModel 37 Teletypewriter Stations for DATA-PHONE Service [326-222]
417071969-09-014.27 MBDATASPEED Type 4 System [326-514]
417081970-06-012.54 MBType 5 DATASPEED System [326-516]
417091970-01-012.26 MBReceive--Only DATASPEED Printer Station Arrangements - System Interface Specification
417101970-08-01888.67 KB4200 Series Magnetic Tape Terminals [326-550]
417121970-12-011.77 MBType 2 DATASPEED System [326-504]
417131971-08-011.25 MBModel 33, 35, and 37 Stations for Point-to-Point Private Line Service [326-553]
417141974-01-01902.72 KB9131 Teletypewriter - Selective Calling Station Arrangement [326-555]
417151973-12-013.20 MBDATASPEED 40 Stations for DATAPHONE Service - Preliminary [326-582]
417161976-04-015.07 MBSynchronous DATASPEED 40/4 Stations - Preliminary [326-122]
418011004.78 KBData Access Arrangement CDT
418031972-10-012.39 MBAcoustic and Inductive Coupling for Data and Voice Transmission [326-575]
418041976-07-015.08 MBSwitched Network Transaction Telephone System Inferfacing with Audio Response Units [326-576]
418051977-04-015.83 MBSwitched Network Transaction Telephone System Inferfacing with Transmission Control Units (Primary Response Mode Frequency Shift Keying) [326-585]
418061977-01-012.11 MBTransaction III Terminal - Preliminary [326-577]
421021973-02-01885.82 KBVoice Connecting Arrangement CDX - Interface Specification [326-683]
421031970-06-011.26 MBVoice Connecting Arrangements CEBAX, CEBBX - Interface Specification - Preliminary
421041970-07-011.05 MBVoice Connecting Arrangement LOH - Interface Specification - Preliminary
421051970-07-011.11 MBVoice Connecting Arrangement LVH - Interface Specification - Preliminary
421061970-08-011.12 MBVoice Connecting Arrangement CEBAV - Interface Specification - Preliminary
421071970-08-011.08 MBVoice Connecting Arrangement CEBAW - Interface Specification - Preliminary [326-711]
421081974-04-01859.82 KBVoice Connecting Arrangement FTP - Interface Specification - Preliminary
421091975-11-01908.41 KBProtective Connecting Arrangement FTM - Interface Specification - Preliminary [326-714]
421101981-06-01578.36 KBInterface Arrangement POP - Specifications - Preliminary [326-951]
422011975-10-011.12 MBProtective Connecting Arrangements CAU/SU3/SU4/SU6 - Interface Specification [326-715]
422021975-04-01945.51 KBProtective Connecting Arrangement SU7QW - Interface Specification [326-719]
422031970-01-01426.42 KBVoice Connecting Arrangement RTT - Interface Specification - Preliminary [326-710]
42203 A1974-10-0160.30 KBVoice Connecting Arrangement RTT - Interface Specification - Preliminary
422051970-06-01675.48 KBVoice Connecting Arrangement RCZ - Interface Specification - Preliminary
422051975-07-01700.05 KBProtective Connecting Arrangement RCZ - Interface Specification [326-702]
422061971-02-01413.48 KBConnecting Arrangement RC1 - Interface Specification - Preliminary
422061971-06-01428.97 KBConnecting Arrangement RC1 - Interface Specification - Preliminary
42206 A1974-10-01274.18 KBConnecting Arrangement RC1 - Interface Specification - Preliminary
422071975-02-011.72 MBProtective Connecting Arrangements C2ACP/C2AKS [326-670]
422081974-02-011.03 MBVoice Connecting Arrangement STC - Interface Specification - Preliminary
422091971-06-01996.51 KBVoice Connecting Arrangements REMZR, RDY - Interface Specification - Preliminary
422101971-06-011.10 MBVoice Connecting Arrangements SU6AQ, STS - Interface Specification - Preliminary [326-820]
422111971-11-01910.06 KBVoice Connecting Arrangement CEZ - Interface Specification - Preliminary
422121977-03-011.23 MBVoice Connecting Arrangement STP, C2F - Interface Specification - Preliminary [326-827]
422131974-10-01685.66 KBConnecting Arrangement AD1 - Interface Specification - Preliminary
422141974-12-01781.62 KBProtective Connecting Arrangement GTS - Interface Specification - Preliminary [326-831]
423011969-02-011.21 MBVoice Connecting Arrangement 2A - Interface Specification - Preliminary [326-604]
423021969-06-011.11 MBVoice Connecting Arrangement CDA (1A) - Interface Specification - Preliminary [326-602]
423031969-06-011.18 MBVoice Connecting Arrangement 3A - Interface Specification - Preliminary [326-606]
423041969-07-011.11 MBVoice Connecting Arrangement CD1 - Interface Specification - Preliminary
423051969-08-01976.14 KBVoice Connecting Arrangement CD4 - Interface Specification - Preliminary [326-638]
423061969-08-011.12 MBVoice Connecting Arrangement CD5 - Interface Specification - Preliminary [326-640]
423071969-10-01851.05 KBVoice Connecting Arrangement CDY - Interface Specification - Preliminary
424011974-03-011.18 MBVoice Connecting Arrangement CDH and Connecting Arrangement CBF - Interface Specification
424021974-03-011.44 MBVoice Connecting Arrangements CD7, CD8, and CD9 and Connecting Arrangement CBF - Interface Specification
424031970-10-011.21 MBVoice Connecting Arrangement CET - Interface Specification - Preliminary
42403 A1974-06-0184.95 KBVoice Connecting Arrangement CET - Interface Specification - Addendum
424041969-12-011.11 MBVoice Connecting Arrangement CD6 - Interface Specification - Preliminary
424051970-04-011.17 MBVoice Connecting Arrangement CED - Interface Specification - Preliminary
42405 A1974-06-0177.01 KBVoice Connecting Arrangement CED - Interface Specification - Addendum
424061976-07-011.13 MBProtective Connecting Arrangement C22 - Interface Specification - Preliminary [326-656]
424071971-10-011.04 MBVoice Connecting Arrangements C24, C2H - Interface Specification - Preliminary
424081971-10-011.06 MBVoice Connecting Arrangements C27, C2K - Interface Specification - Preliminary
425011969-08-011.05 MBVoice Connecting Arrangement CDQ4W - Interface Specification - Preliminary
425021971-06-011.43 MBVoice Connecting Arrangements CDQ2W, CDQ2X - Interface Specification - Preliminary [326-667]
425031971-02-011.01 MBVoice Connecting Arrangement C234W - Interface Specification - Preliminary [326-659]
425041971-09-01902.37 KBVoice Connecting Arrangement C232W - Interface Specification - Preliminary
425051971-10-011.10 MBVoice Connecting Arrangement CDQ4X - Interface Specification - Preliminary [326-750]
426011970-04-01630.41 KBVoice Connecting Arrangement CEK - Interface Specification - Preliminary
42601 S1970-06-0529.92 KBVoice Connecting Arrangement CEK - Interface Specification - Supplement
426021972-05-01663.14 KBSpecification CAK - Customer-Provided Telephone Set Housings - Preliminary
426031970-12-01685.12 KBConnecting Arrangements C1V, RCX - Interface Specification - Preliminary
426031972-06-011.01 MBConnecting Arrangements C1V, RCX, GC2 - Interface Specification - Preliminary
426041971-07-01893.39 KBConnecting Arrangement C25 - Interface Specification - Preliminary
426051975-06-011.02 MBProtective Connecting Arrangement CTD - Interface Specification [326-674]
426061972-11-01964.57 KBConnecting Arrangement HZM - Interface Specification - Preliminary
426071973-05-25292.51 KBPower Provision for Voice Connecting Arrangements for Customer-Provided PBXs
426081973-10-01896.64 KBConnecting Arrangement KTX - Interface Specification - Preliminary
426091973-12-01996.96 KBProtective Connecting Arrangement CTH - Interface Specification - Preliminary
427011971-06-011.22 MBVoice Connecting Arrangement DCT - Interface Specification - Preliminary [326-676]
427031974-10-011.09 MBVoice Connecting Arrangements DCK/DCL - Interface Specification [326-680]
427041975-03-011.47 MBProtective Connecting Arrangements TSPXY/TSPZ1 - Interface Specification - Preliminary [326-681]
42704 A1976-12-01185.40 KBProtective Connecting Arrangements TSPXY/TSPZ1 - Interface Specification - Preliminary [326-682]
427051976-10-01932.30 KBRecorded Magnetic Tape Formats for Station Message Detail Recording Features on Dimension PBXs - Preliminary [326-130]
427061977-04-011.06 MBDirect Output Data Formats for Station Message Detail Recording Feature on Dimension PBXs - Preliminary [326-134]
431011969-05-012.44 MBVoice Grade Entrance Facilities for Extending Customer-Provided Communications Channels - Preliminary [326-101]
432011970-06-013.38 MBPrivate Line Interconnection - Voice Applications - Preliminary [326-120]
433011974-05-011.80 MBDomestic Public Land Mobile Telephone Services - Customer Provided Dial Station - Interface Specification - Preliminary
434011971-12-011.92 MBTransmission Specifications for Private Line Metallic Circuits - Preliminary [326-180]
436011976-08-01489.15 KBLightning and 60 Hz Disturbances at the Bell System Network-Terminal Interface - Preliminary [326-127]
437201977-02-01729.21 KBPrivate Line Interconnection - Operational Features of Bell System Switch Terminations - Preliminary [326-132]
441011970-09-012.42 MBPICTUREPHONE Connecting Arrangement PVF - Interface Specification - Preliminary
471011979-09-014.17 MBStandard Plugs and Jacks - Preliminary
471021982-12-015.40 MBBell System Miniature Plugs and Jacks
480051980-01-014.36 MBFunctional Product Class Criteria - Telephones - Preliminary
500101997-12-012.1133.23 KBAT&T Basic Rate Interface - Reference Guide
500751999-09-01141.20 KBAT&T Toll Free Transfer Connect Service
540221997-05-015212.85 KBAT&T Intelligent Call Processing (ICP) Service - Signaling System No. 7 Network Interface Specification
540771998-07-01111.21 KBAT&T Private Line Service OC-12 - Service Description and Interface Specification
540781998-11-011.0112.78 KBAT&T Private Line Service OC-48 - Service Description and Interface Specification
540791999-09-011.0114.75 KBAT&T Private Line Service OC-192 - Service Description and Interface Specification
624111992-10-01382.03 KBACCUNET T1.5 Service - Description and Interface Specification
624251996-12-0197.21.09 MBAT&T Call Detail Data - Interface Specification