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Folder 300 - 379 Divisions - Transmission Sys & Testing

 

Categories

Folder 300 Division - Transmission Systems and Testing

Folder 301 Division - Transmission Noise

Folder 302 Division - Transmission Test Line

Folder 304 Division - Transmission Data

Folder 309 Division - Switched Services Networks

Folder 310 Division - Private Line Tel Systems & Services

Folder 311 Division - Switched Special Services Systems

Folder 312 Division - Private Line Data Systems and Serv.

Folder 313 Division - Voice and Voiceband Data Channels

Folder 314 Division - Digital and Analogue Data Trans.

Folder 318 Division - Television Systems

Folder 320 Division - Program Transmission Systems & Serv

Folder 330 Division - Cable & Open-Wire Testing

Folder 331 Division - Transmission Noise Testing

Central Office PBX Customer Lines and Equipment

Folder 332 Division - Voice-Frequency Equipment

Telephone Repeaters, Pilot Wire Regulators, Echo Suppressors, Composite Sets and Associated Equipment

Folder 333 Division - Interoffice Signaling Systems

Folder 356 Division - Analog Multiplex Terminal Equipment

Folder 362 Division - Type N, 0, and ON Carrier

362 Division - Type N, 0, and ON Carrier Telephone Systems and Associated Equipment Components

Folder 363 Division - Pair Gain Systems

Folder 365 Division - Digital Transmission Systems

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