Part 1-7 of EN 50289 details the test methods to determine the velocity of propagation of the finished cables used in analogue and digital communication systems. It is to be read in conjunction with Part 1-1 of EN 50289, which contains essential provisions for its application.
DS/EN 50289-1-7:2002 history
2002DS/EN 50289-1-7:2002 Communication cables - Specifications for test methods - Part 1-7: Electrical test methods - Velocity of propagation