Division 473: Intra-PBX Protection of Service, Code Calling, Customer Training, Dispatching, Emergency Reporting, Interface Trunks, Message Waiting, Recorded Telephone Dictation, Telephone Answering Systems, and Transmitter Transfer Customer Equipment

Section Date Issue Size Title
473-000-0001981-10-0165275.35 KBNumerical Index - Division 473 - Intra-PBX Protection of Service, Code Calling, Customer Training, Dispatching, Emergency Reporting, Interface Trunks, Message Waiting, Recorded Telephone Dictation, Telephone Answering Systems, and Transmitter Transfer Customer Equipment
473-000-0001984-06-0167232.07 KBNumerical Index - Division 473 - Intra-PBX Protection of Service, Code Calling, Customer Training, Dispatching, Emergency Reporting, Interface Trunks, Message Waiting, Recorded Telephone Dictation, Telephone Answering Systems, and Transmitter Transfer Customer Equipment
473-180-2101963-01-0112.07 MBMessage Waiting Service - Identification, Installation, and General Connecting Information
473-185-2101965-10-0125.06 MBTransmitter Transfer Unit - Identification, Installation, Connections, and Maintenance
473-185-210PT X11976-05-01A605.36 KBGB105TTA Transmitter Transfer Unit
473-310-1001973-09-014370.93 KBPublic Emergency Reporting Systems - Identification, Installation, Connections, and Maintenance
473-310-1011976-06-011848.99 KB8A Key Telephone System for Use at 911 Emergency Reporting / Answering Bureaus - Identification
473-310-1021977-09-01169.87 KB8A Key Telephone System for Use at 911 Emergency Reporting / Answering Bureaus - Trouble Locating
473-310-1031975-08-01194.46 KB8A Key Telephone System for Use at 911 Emergency Reporting / Answering Bureaus - CALL DIRECTOR Telephone Set - Method of Operation
473-310-1101976-07-011979.45 KB8A Key Telephone System for Use at 911 Emergency Reporting / Answering Bureaus - Installation and Connections
473-401-1001973-09-0112.15 MBKS-21102 Business Phone Trainer - Description and Maintenance
473-401-1011975-03-0111.09 MBKS-21564 Business Phone Trainer - Description and Maintenance
473-410-1001959-04-0111.38 MBKS-16161 Teletrainer
473-411-1001973-01-0142.82 MBKS-16605 Teletrainer - Description and Maintenance
473-411-1011977-08-0111.80 MBKS-21764 Teletrainer - Description, Operation, and Maintenance
473-411-901PA1967-10-021460.83 KBKey Telephone Teletrainer System - Description and Maintenance
473-500-5011973-08-0111.97 MBTelephone Answering Systems - Tone Signaling Circuit SD-99556-01 (J59202) Used With Line Concentrator-Identifier Systems - Tests and Adjustments
473-501-2011972-09-013799.75 KBLine Concentrator-Identifier System Appled to Telephone Secretarial Service - Tests and Inspections at Time of Installation
473-501-201 A1973-11-01142.45 KBLine Concentrator-Identifier System Appled to Telephone Secretarial Service - Tests and Inspections at Time of Installation
473-501-2021973-11-0112.02 MBTelephone Answering Systems - Line Concentrator-Identifier (J93021) Used With Electromechanical Central Offices - Tests and Inspections at Time of Installation Using Test Set KS-21056
473-501-5011972-09-0132.24 MBLine Concentrator-Identifier System Applied to Telephone Secretarial Answering Service - Circuit Tests and Trouble Analysis
473-501-501 A1974-11-01253.84 KBLine Concentrator-Identifier System Applied to Telephone Secretarial Answering Service - Circuit Tests and Trouble Analysis
473-601-2011981-11-0122.45 MB557A PBX - Identification, Installation, and Connections - Telephone Secretarial Service
473-601-2101967-11-011237.92 KBTests and Inspections at Time of Installation - 557A PBX
473-601-5011967-10-011432.36 KBCircuit Tests for Secretarial Answering Service - 557A PBX
473-602-2011981-11-0142.52 MB557B PBX - Identification, Installation, and Connections - Telephone Secretarial Service
473-602-2101974-09-012184.33 KBTests and Inspections at Time of Installation for Secretarial Answering Service - 557B PBX
473-602-5011974-11-0121022.13 KBCircuit Tests for Secretarial Answering Service - 557B PBX