Metallic communication cable test methods – Part 4-14: Electromagnetic compatibility (EMC) – Coupling attenuation of cable assemblies (field conditions) absorbing clamp method
|Publication Date:||1 May 2012|
|ICS Code (Transmission systems):||33.040.20|
This part of IEC 62153 gives the in-field test method that is used to determine the coupling attenuation for installed links and channels used in analogue and digital communication systems.
This method is used to determine the attenuation of disturbing power to signal power in a cabling system, and vice versa. This determines the influence from cabling on the EMC performance of a system.
NOTE 1 The coupling attenuation of installed links and channels is dependent upon the performance of the cabling components (balance and screening if applicable), workmanship (especially termination of screens) and earthing and grounding. This procedure determines the overall effect of these parameters.
NOTE 2 This method cannot be used for verification of compliance with emission and immunity EMC standards for the complete system, including active components.