c.
A 4mm
2
conductor must be used when connect
grounding screw is utilized.
ion to the external
REVENT THE RATED VOLTAGE BEING
EDED BY THE TRANSIENTS DISTURBANCES OF MORE
ents
d.
PROVISIONS SHALL BE MADE, EITHER IN EXTERNAL TO THE
APPARATUS, TO P
EXCE
THAN 40 %.
Wiring Requirem
WARNING
Do not disconnect modules or wires unless the power supply has
been switched off or the area is known to be non-hazardous. The
devices may only be connected to the supply voltage shown on
the type plate.
The devices are designed for operation with a Safety Extra-Low
Voltage. Thus, they may only be connected to the supply voltage
ety Extra-Low
60950/
connections and to the signal contact with the Saf
Voltages (SELV) in compliance with IEC950/ EN
VDE0805.
WARNING
Division 2, and Zone 2. These devices must be supplied by an
SELV source as defined in Low Voltage Directive 73/23/EEC
and 93/68/EEC.
Substitution of components may impair suitability for Class I,
This unit is a built-in type.
piece of equipment, th
comply with fire en
similar regulation).
WARNING
When the unit is installed in another
e equipment enclosing the unit must
closure regulation IEC 60950/EN60950 (or
WARNING
Safety First!
Be sure to disconnect the power cord before installing and/or
wiring your Ethernet Switch.
Calculate the maximum possible current in each power wire and
common
the
maximu
gs, the wir
ment.
wire. Observe all electrical codes dictating
m current allowable for each wire size.
If the current goes above the maximum ratin
to your equip
ing could
overheat, causing serious damage
You should also pay attention to the following items:
y
Use separate paths to route wiring for power and devices. If power wiring
at
N
communications wiring and power wiring in
and device wiring paths must cross, make sure the wires are perpendicular
the intersection point.
OTE: Do not run signal or
the same wire conduit. To avoid interference, wires with different signal
characteristics should be routed separately.
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