rodent guards. These can couple lightning currents
and surge voltages into the building.
Suggested protection for terminal device. exception is
fibre optic cables incorporating metallic elements, e.
The following figures show how the OBO Net Defend-
er can used protect network infrastructure and
terminal devices:
Suggested protection for switch with patch panel. keep the
protection level low, the surge protection device uses
the protective conductor the case the con-
nection.
TBS
Blitzschutz-Leitfaden
2018
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Chapter The internal lightning protection system
. The
surge protection devices are earthed via the DIN rail.g.The connection the primary cabling with the build-
ing distributor and the connections from building dis-
tributor the floor distributor only need protec-
ted where copper cables are used. These metal ele-
ments must connected the equipotential bond-
ing such way able withstand lightning
current
