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·
The device must be installed only in telecommunication sites /
centers in compliance with ETS 300-253 requirements "Earthing and Bonding
of Telecommunication Equipment in Telecommunication Centers".
·
Prior to installation, earth loop impedance test must be performed
by a certified electrician to ensure grounding suitability at the power outlet
intended to feed the unit. It is essential that the impedance will be kept
below 0.5 ohms!
·
Proper grounding is crucial to ensure the effectiveness of the
lightning protection, connect the device permanently to ground (as
described in the procedure below). The device's grounding screw must be
connected to the equipotential grounding bus bar located in the
Telecommunication rack or installation site, using a wire of 6 mm2 surface
wire. If the device is installed in a rack with other equipment, the rack
must be connected to the equipotential grounding bus bar of the
Telecommunication room, using a stranded cable with surface area of 25
mm2. The length of this cable must be as short as possible (no longer than 3
meters).
·
Failing to install primary surge protectors and failing to comply with
the grounding instructions or any other installation instructions, may cause
permanent damage to the device.
·
As most of the installation is the responsibility of the customer,
Denwa Corp can assume responsibility for damage only if the customer can
establish that the device does not comply with the standards specified
above (and the device is within the hardware warranty period).
·
The device complies with protection levels as required by EN
55024/EN 300386. Higher levels of surges may cause damage to the device.
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