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ČSN is a protected designation of Czech national technical standards.
Environmental Engineering (EE); Power supply interface at the input to Information and Communication Technology (ICT) equipment; Part 1: Alternating Current (AC)
Standard published on 1.4.2023
Selected format:Equipment engineering (EE) - Power supply interface at the input to telecommunications equipment - Part 2: Operated by direct current (dc)
Standard published on 1.11.1997
Selected format:Navrhování zařízení (EE) - Rozhraní pro napájení na vstupu telekomunikačních zařízení - Část 2: Napájení stejnosměrným proudem (dc).
Correction published on 1.12.1997
Selected format:Rozbor vlivu prostředí (EE) - Rozhraní pro napájení na vstupu telekomunikačních zařízení - Část 2: Napájení stejnosměrným proudem (dc) (Norma k přímému použití jako ČSN).
Standard published on 1.2.2004
Selected format:Environmental Engineering (EE); Power supply interface at the input to telecommunications equipment; Part 2: Operated by direct current (dc)
Standard published on 1.1.2008
Selected format:Environmental Engineering (EE); Power supply interface at the input to telecommunications equipment; Part 2: Operated by direct current (dc)
Standard published on 1.4.2008
Selected format:Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc)
Standard published on 1.8.2012
Selected format:Environmental Engineering (EE); Power supply interface at the input to telecommunications and datacom (ICT) equipment; Part 2: Operated by -48 V direct current (dc)
Standard published on 1.4.2017
Selected format:Environmental Engineering (EE); Power supply interface at the input of Information and Communication Technology (ICT) equipment; Part 2: -48 V Direct Current (DC)
Standard published on 1.10.2019
Selected format:Environmental Engineering (EE); Power supply interface at the input of Information and Communication Technology (ICT) equipment; Part 2: -48 V Direct Current (DC)
Standard published on 1.2.2023
Selected format:Latest update: 2026-01-17 (Number of items: 2 256 397)
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