TECHNISCHE REGEL
ETR 080
Issue date: 1993 07
Transmission and Multiplexing (TM) - Integrated Services Digital Network (ISDN) basic rate access - Digital transmission system on metallic local lines
General information on ETR 080
Timeline
An overview of the development of ETR 080 from 1993 til today.
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ETR 080Transmission and Multiplexing (TM) - Integrated Services Digital Network (ISDN) basic rate access - ...
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ETR 080Transmission and Multiplexing (TM) - Integrated Services Digital Network (ISDN) basic rate access - ...
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