NEC VERSA S9100 Series User Manual page 11

Connections and Remote Earth Connections and Remote Earth Connections and Remote Earth Connections and Remote Earth
PELV (Protected Extra Low Voltage)
To ensure the extra-low voltage integrity of the equipment, only connect equipment with mains-protected
electrically-compatible circuits to the external ports.
SELV (Safety Extra Low Voltage)
Every input and output of this product is classified as Safety Extra Low Voltage, except the modem, which is
classified as TNV-3.
Remote Earth
To prevent electrical shock, connect all local (individual office) computers and computer support equipment
to the same electrical circuit of the building's wiring. If you are unsure, check the building's wiring to avoid
remote earth conditions.
Building Supply
Only connect the equipment to a building supply that is in accordance with current wiring regulations in your
country.
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