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Homepage>UNE TBR 17:1997 BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface.
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sklademVydáno: 1997-07-15
UNE TBR 17:1997 BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface.

UNE TBR 17:1997

BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface.

Comunicaciones de empresa (BTC). Líneas analógicas alquiladas de banda vocal de 4 hilos de calidad ordinaria y especial (A4O y A4E). Requisitos de conexión de interfaz de equipo terminal.

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102.40 €
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85.34 €
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Označení normy:UNE TBR 17:1997
Počet stran:28
Vydáno:1997-07-15
Status:Norma
DESCRIPTION

This standard UNE TBR 17:1997 BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE bandwidth 4-wire analogue leased lines (A4O and A4S). Attachment requirements for terminal equipment interface. is classified in these ICS categories:

  • 33.040.40
Categories:
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