Surge arrester for VDSL. Surge protection for ADSL/T-DSL, VDSL up to 50 Mbit/s and analog and digital telecommunications interfaces. Design: RJ45 (RJ12/RJ11) adapter plug with separate earth connection cable. Alternatively, can be used as a mounting rail module for snapping onto NS 35, with earth connection snap-on foot. Protection circuit: Coarse-fine protection combination between all cables of the signal wire pairs, as well as longitudinal voltage coarse protection between all signal wires and earth.