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>UNE ETS 300453:1997 BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.
sklademVydáno: 1997-11-20
UNE ETS 300453:1997 BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.

UNE ETS 300453:1997

BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.

Telecomunicaciones de Empresa (BTC). Líneas analógicas alquiladas de banda vocal de cuatro hilos de calidad ordinaria y especial (A4O y A4E). Interfaz del equipo terminal.

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Anglicky PDF
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Označení normy:UNE ETS 300453:1997
Počet stran:28
Vydáno:1997-11-20
Status:Norma
Počet stran (Španělsky):30
DESCRIPTION

This standard UNE ETS 300453:1997 BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE. is classified in these ICS categories:

  • 33.040.40
Categories:
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