S účinností od 2019-12-16 se nahrazuje ČSN EN 50289-1-1 (34 7819) z prosince 2001, která do uvedeného data platí souběžně s touto normou.
Označení normy: | ČSN EN 50289-1-1 ed. 2 |
Třídící znak: | 347819 |
Počet stran: | 24 |
Vydáno: | 01.08.2017 |
Harmonizace: | Norma není harmonizována |
Katalogové číslo: | 502667 |
DESCRIPTION
ČSN EN 50289-1-1 ed. 2
This European Standard specifies the electrical test methods for cables used in analogue and digital communication systems. Part 1 of EN 50289 consists of the following documents: - Part 1-1 General requirements - Part 1-2 DC resistance - Part 1-3 Dielectric strength - Part 1-4 Insulation resistance - Part 1-5 Capacitance - Part 1-6 Electromagnetic performance - Part 1-7 Velocity of propagation - Part 1-8 Attenuation - Part 1-9 Unbalance attenuation (longitudinal conversation loss, longitudinal conversion transfer loss) - Part 1-10 Crosstalk - Part 1-11 Characteristic impedance, input impedance, return loss - Part 1-12 Inductance - Part 1-13 Coupling attenuation or screening attenuation of patch cords / coaxial cable assemblies / pre-connectorised cables - Part 1-14 Coupling attenuation or screening attenuation of connecting hardware - Part 1-15 Coupling attenuation of links and channels (Laboratory conditions) - Part 1-16 Coupling attenuation of cable assemblies (Field conditions) - Part 1-17 Exogenous Crosstalk ExNEXT and ExFEXT Further test details (e.g. temperature, duration) and/or test requirements are given in the relevant cable standard.