ITU-T K.41
SERIES K: PROTECTION AGAINST INTERFERENCE ITU-T K.41 Resistibility of Internal Interfaces of Telecommunication Centres to Surge Overvoltages This Recommendation specifies test methods and levels for the resistibility test against surge overvoltages on internal interface lines within a telecom centre interconnecting the several system blocks. The tests simulate surge overvoltages caused by magnetic fields from lightning strokes in or near the telecom building. Preview Standard