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UNE-ETS 300453:1997
New product
UNE-ETS 300453:1997
BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.More info
| Author | AENOR |
|---|---|
| Editor | AENOR |
| Document type | Standard |
| Format | File |
| ICS | 33.040.40 : Data communication networks
|
| Number of pages | 30 |
| Cross references | ETS 300453 Ed1 Identical |
| Year | 1990 |
| Country | Spain |