Business TeleCommunications (BTC) - 2048 kbit/s digital structured leased lines (D2048S) - Terminal equipment interface; English version ETS 300420:1995
€105.42
Public Switched Telephone Network (PSTN) - Testing specification for analogue handset telephony; English version I-ETS 300480:1996
€77.20
Transmission and Multiplexing (TM) - Generic functional requirements for Synchronous Digital Hierarchy (SDH) equipment - Part 1-1: Generic processes and performance; English version ETS 300417-1-1:1996
€179.53
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE); V5.1 interface for the support of Access Network (AN) - Part 1: V5.1 interface specification; English version ETS 300324-1:1994/A1:1996
€116.64
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (AN side); English version ETS 300347-3:1996
€145.14
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE side); English version ETS 300347-5:1996
€157.10
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 7: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer; English version ETS 300347-7:1996
€41.78
Business TeleCommunications (BTC) - 34 MBit/s and 140 Mbit/s digital leased lines (D34U, D34S, D140U and D140S) - Network interface presentation; English version ETS 300686:1996
€84.58
Business TeleCommunications (BTC) - 34 MBit/s digital leased lines (D34U and D34S) - Connection characteristics; English version ETS 300687:1996
Business TeleCommunications (BTC) - 140 MBit/s digital leased lines (D140U and D140S) - Connection characteristics; English version ETS 300688:1996
Business TeleCommunications (BTC) - Ordinary quality voice bandwidth 2-wire analogue leased line (A2O) - Connection characteristics and network interface presentation; English version ETS 300448:1996
Business TeleCommunications (BTC) - Special quality voice bandwidth 2-wire analogue leased line (A2S) - Connection characteristics and network interface presentation; English version ETS 30049:1996
€91.03
Business TeleCommunications (BTC) - Ordinary and Special quality voice bandwidth 2-wire analogue leased lines (A2O and A2S) - Terminal equipment interface; English version ETS 300450:1996
Business TeleCommunications (BTC) - Ordinary quality voice bandwidth 4-wire analogue leased line (A4O) - Connection characteristics and network interface presentation; English version ETS 300451:1996
Business TeleCommunications (BTC) - Special quality voice bandwidth 4-wire analogue leased line (A4S) - Connection characteristics and network interface presentation; English version ETS 300452:1996