AENOR - UNE-ETS 300453
BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.
active, Most Current
| Organization: | AENOR |
| Publication Date: | 20 November 1997 |
| Status: | active |
| Page Count: | 28 |
| ICS Code (Data communication networks): | 33.040.40 |
Document History
UNE-ETS 300453
November 20, 1997
BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.
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