Traffic Service Position System
http://dbpedia.org/resource/Traffic_Service_Position_System an entity of type: Thing
The Traffic Service Position System (TSPS) was developed by Bell Labs in Columbus, Ohio to replace traditional cord switchboards. The first TSPS was deployed in 1969 and used the Stored Program Control-1A CPU, "Piggyback" twistor memory (a proprietary technology developed by Bell Labs similar to core memory) and Insulated Gate Field Effect Transistor solid state memory devices similar to dynamic random access memory.
rdf:langString
rdf:langString
Traffic Service Position System
xsd:integer
1308433
xsd:integer
1074467450
rdf:langString
Audible tone which alerts TSPS operator of a new call. 440 Hz 5 ms.
rdf:langString
Zip tone.ogg
rdf:langString
Zip tone
rdf:langString
The Traffic Service Position System (TSPS) was developed by Bell Labs in Columbus, Ohio to replace traditional cord switchboards. The first TSPS was deployed in 1969 and used the Stored Program Control-1A CPU, "Piggyback" twistor memory (a proprietary technology developed by Bell Labs similar to core memory) and Insulated Gate Field Effect Transistor solid state memory devices similar to dynamic random access memory.
xsd:nonNegativeInteger
5443