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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
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Ссылочные документы
ISO/IEC 8877:1992
Действует
Information technology; telecommunications and information exchange between systems; interface connector and contact assignments for ISDN basic access interface located at reference points S and T
— 16 стр.
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
ÖNORM EN 300449 V 1.2.1:2001-11
Действует
Access and Terminals (AT) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation
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
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 300449 V 1.2.1:2001-11
Действует
Access and Terminals (AT) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation