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Folder 200 - 289 Divisions - Switching Systems

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Categories

Folder 200 Division - Switching Systems

Folder 201 Division - Supplemental Information - Central

Folder 205 Division - Automatic Data Test Circuits

Folder 210 Division - Service Observing, Plant & Traffic

Folder 211 Division - No. 1,3,5 & 6 Toll Offices ...

Folder 212 Division

Folder 215 Division - Panel Offices

Folder 216 Division - No. 1 Crossbar Offices

Folder 218 Division - No. 5 Crossbar Offices

Folder 220 Division - Crossbar Tandem Offices

Folder 225 Division - Testing Information

Folder 226 Division - Step-by-Step, Community Dial Office

Equipment Common to More Than One Type Step-By-Step and Community Dial Office

Folder 227 Division - Gen'l & Testing Info

General and Testing Information Applying to Intertoll Dialing, CAMA, AMA, ANI, "Touch-Tone" Calling, and Common Control Equipment Step-By-Step Systems

Folder 231 Division - No. 1 ESS

Folder 232 Division - No. 2 ESS

Folder 233 Division - No. 3 Electronic Switching System

Folder 234 Division - No. 4 Electronic Switching System

Folder 241 Division - DMS-10 Digital Multiplex System

Folder 250 Division - Traffic Service Systems

Folder 252 Division - Traffic Mgmt Systems

Traffic Management Systems

Folder 254 Division - Stored Program Control

Folder 255 Division - Processor Controlled Anciliary Sys

Folder 256 Division - Common Channel Signaling System

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