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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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Technical characteristics
| Publisher | Asociacion Espanola de Normalizacion y Certificacion (AENOR) |
| Publication Date | 07/15/1997 |
| Page Count | 30 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |