Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 2: Safety; German and English version prEN 12309-2:2023
Edition 2023-10

Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Link Access Procedure Balanced (LAPB) extended (modulo 128) operation; english version ETS 300123:1991
Edition 1992-08

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 6: Calculation of seasonal performances; German and English version prEN 12309-6:2022
Edition 2023-01

Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 3: Requirements, test conditions and test methods; German and English version prEN 12309-3:2022
Edition 2022-04

Radio Equipment and Systems (RES) - Digital Enhanced Cordless Telecommunications (DECT); Data services profile (DSP) - Generic frame relay service with mobility (service types A and B, class 2); English version ETS 300701:1996
Edition 1998-06

Open systems interconnection; internal organization of the network layer; identical with ISO 8648:1988
Edition 1990-07

Attachment requirements for Data Terminal Equipment (DTE) to connect to Packet Switched Public Data Networks (PSPDN) using CCITT recommendation X.25 (1984) interface; requirements applicable to DTEs subscribing to Multilink operation; english version ETS 300124:1991
Edition 1992-08

Industrial networks - Wireless communication network and communication profiles - ISA 100.11a (IEC 62734:2014 + A1:2019); English version EN 62734:2015 + A1:2019
Edition 2020-11

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Integrated Services Digital Network (ISDN) - Facsimile group 4 class 1 on the ISDN - Functional specification of the equipment; English version ETS 300087:1994
Edition 1994-11