Integrated Services Digital Network (ISDN); primary rate user-network interface; layer 1 specification and test principles; english version ETS 300011:1992
Integrated Services Digital Network (ISDN) - Basic User Network Interface (UNI) - Part 6: Abstract Test Suite (ATS) specification for interface IA (incl. Diskette!!!)
Equipment Engineering (EE); environmental conditions and environmental tests for telecommunications equipment; part 1-2: classification of environmental conditions; transportation; english version ETS 300019-1-2:1992
Business TeleCommunications (BTC); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); network interface presentation; English version ETS 300288:1994
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 7: Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer
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
Telecommunications Management Network (TMN) - Q3 interface at the Access Network (AN) for configuration management of V5 interfaces and associated user ports - Part 1: Q3 interface specification
Telecommunications Management Network (TMN) - Q3 interface at the Access Network (AN) for fault and performance management of V5 interfaces and associated user ports - Part 1: Q3 interface specification
Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 2: Synchronization network architecture; English version ETS 300462-2:1996
Transmission and Multiplexing (TM) - Generic requirements for synchronization networks - Part 5: Timing characteristics of slave clocks suitable for operation in Synchronous Digital Hierarchy (SDH) equipment; English version ETS 300462-5:1996
Business TeleCommunications (BTC) - 2048 kbit/s digital unstructured and structured leased lines (D2048U and D2048S) - Network interface presentation; English version ETS 300418:1995
