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ÖNORM EN 300659-2 V 1.3.1:2001-04

Действует
Access and Terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN) - Subscriber line protocol over the local loop for display (and related) services - Part 2: Off-hook data transmission
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Ссылочные документы

ÖNORM EN 300659-1 V 1.3.1:2001-04
Действует
Access and Terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN) - Subscriber line protocol over the local loop for display (and related) services - Part 1: On-hook data transmission
ÖNORM EN 300659-3 V 1.3.1:2001-04
Действует
Access and Terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN) - Subscriber line protocol over the local loop for display (and related) services - Part 3: Data link message and parameter codings

На этот документ ссылаются

ÖNORM EN 300778-2 V 1.2.1:2001-07
Действует
Access and Terminals (AT) - Analogue access to the Public Switched Telephone Network (PSTN) - Protocol over the local loop for display and related services - Terminal Equipment requirements - Part 2: Off-hook data transmission