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.
Suggested protection for terminal device. exception is
fibre optic cables incorporating metallic elements, e.
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Chapter The internal lightning protection system
. These can couple lightning currents
and surge voltages into the building. keep the
protection level low, the surge protection device uses
the protective conductor the case the con-
nection.
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.
rodent guards. These metal ele-
ments must connected the equipotential bond-
ing such way able withstand lightning
current. The
surge protection devices are earthed via the DIN rail
