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Network cable screen continuity
Network wiring
In countries where the European EMC directive is in force use only
those cables that are EMC Compliant, see list under the heading
Network cables.
Network cable screen continuity
Ensure a good screen continuity joint exist where there is a split cable.
DO NOT mix cables of different types on the same leg of a network
as this will create impedance imbalance and disruption to data
communication.
These split cables
MUST BE of the same type.
Panel 1 Panel 2
Panel Earth
Screen continuity
connection at the joint
NOTE:
the joint Panel 2.
The cable screens are not
connected to earth
at or at
THE JOINT
How to minimise cross talk
When using standard MICC cable in a network, the different legs
of the cable must not be closely placed together, as this will cause
signal crosstalk which results in communication failure.
There are three practical ways of overcoming the crosstalk problem:
use a twisted-core MICC cable
put a ferrous screen between the cables (ie in the two runs of steel conduit)
maintain a distance between the network cables of at least 50mm
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