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UNE-ETS 300451:1997
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.More info
| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 33.040.40 : Data communication networks |
| Number of pages | 38 |
| Cross references | ETS 300451 Ed1 Identical |
| Year | 1990 |
| Country | Spain |