Summary

This Recommendation deals with designing ISDN equipment.

It gives information about:

–           types of induced voltages (longitudinal voltage, transverse voltage) and their effects (malfunction, reduction of transmission quality);

–           sources of induced voltages (radio frequency transmitter, power line, electrified railway line, lightning, ESD, ignition engine);

–           electrical characteristics of induced voltages (e.g., wave shape, amplitude, frequency);

–           equipment performance categories (e.g., reduced performance, loss of function).