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ÖNORM EN 300448 V 1.2.1:2001-11

Действует
Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation
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Действует
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ÖNORM EN 300448 V 1.2.1:2001-11
Действует
Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation

На этот документ ссылаются

ÖNORM EN 300450 V 1.2.1:2001-11
Действует
Access and Terminals (AT) - Ordinary and Special quality voice bandwidth 2-wire analogue leased lines (A2O and A2S) - Terminal equipment interface
ÖNORM EN 300448 V 1.2.1:2001-11
Действует
Access and Terminals (AT) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation