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UNE-ETS 300419
BUSINESS TELECOMMUNICATIONS (BTC). 2048 KBIT/S DIGITAL STRUCTURED LEASED LINES (D2048S). CONNECTION CHARACTERISTICS.
Edition
1999-01-11
UNE-ETS 300420
BUSINESS TELECOMMUNICATIONS (BTC). 2048 KBIT/S DIGITAL STRUCTURED LEASED LINE (D2048S). TERMINAL EQUIPMENT INTERFACE.
Edition
1999-01-11
UNE-ETS 300448
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 2-wire analogue leased line (A20). Connection characteristics and network interface presentation.
Edition
1997-11-20
UNE-ETS 300449
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWIDTH 2-Wire analogue leased line (A2S). Connection characteristics and network interface presentation.
Edition
1997-11-20
UNE-ETS 300450
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 2-WIRE ANALOGUE LEASED LINES (A2O AND A2S). TERMINAL EQUIPMENT INTERFACE.
Edition
1997-11-20
UNE-ETS 300451
BUSINESS TELECOMMUNICATIONS (BTC). ORDINARY QUALITY VOICE BANDWIDTH 4-wire analogue leased line (A40). Connection characteristics and network interface presentation.
Edition
1997-11-20
UNE-ETS 300452
BUSINESS TELECOMMUNICATIONS (BTC). SPECIAL QUALITY VOICE BANDWITH 4-WIre analogue leased line (A4S). Connection characteristics and network interface presentation.
Edition
1997-11-20
UNE-ETS 300453
BUSINESS TELECOMMUNCATIONS (BTC). ORDINARY AND SPECIAL QUALITY VOICE BANDWIDTH 4-WIRE ANALOGUE LEASED LINES (A4O AND A4S). TERMINAL EQUIPMENT INTERFACE.
Edition
1997-11-20
UNE-ETS 300686 Ed 1
Business TeleCommunications (BTC); 34 Mbit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U, D140S); Network interface presentation.
Edition
2001-09-14
UNE-ETS 300687 Ed 1
Business TeleCommunications (BTC); 34 Mbit/s digital leased lines (D34U and D34S); Connection characteristics.
Edition
2001-09-14
