Nokia 500i, Installation Manual

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Overview
20 Nokia 500i Installation Guide
! Use the gateway device within the electrical ratings indicated on the back
of the device and in the product documentation.
Follow the requirements of all building and electrical codes before, during,
and after installation of the gateway.
Warning
The gateway requires protection against short-circuits (overcurrent).
Always use overcurrent protection on all conductors of electrical current
to which the gateway is connected.
Electrical Grounding
The gateway must always be connected using a grounding-type plug.
Warning
Make sure that the facility where the gateway is installed has proper
electrical grounding and is connected to that ground at all times during
operation.
Protection Against Lightning
Warning
Do not work on the gateway during an electrical storm. Do not connect or
disconnect any wires, including network or power connections. Whenever
the threat of lightning danger exists, avoid even touching the gateway.
This precaution is sensible for any electrical device during periods of
lightning activity.