
Page 20
June 2023
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2.5 Internal ESD Protection Circuits
RADWIN equipment is designed to meet the ETSI/FCC/Aus/NZ/CSA EMC and Safety
requirements. To fulfill these requirements, the system's Telecom lines at the ODU/PoE are
Transformer
‐
isolated and include internal ESD (Electro
‐
Static
‐
Discharge) Protection circuits.
When
installing an
AC
powered
HSU:
To
maintain
Overvoltage (Installation) Category
II,
install
a suitable
surge
suppressor
device
in the branch circuit
to limit expected
transients
to
Overvoltage
Category
II values.
The
limits
are
based
on IEC60664
and
are
also
located in
UL60950
Table 2H
(for
mains
<=
150V,
the
transient
rating
is 1500V; for
150V
< mains <=
300V,
the
transient rating
is
2500V;
and for
300V
< mains <= 600V,
the
transient rating
is
4000V).
2.6 High Voltage
When
working
with the
Alpha
Connectorized
ODU:
Possibility of
hazardous voltage
56VDC
appearance
exists on accessible antenna
connections.
Use
Personal
Protection
Equipment
(e.g. insulating gloves)
when
working
with the
ODU or
the
antenna.
Connect
the
shield
of the antenna coaxial cable
to the
protective
earth
when
coaxial cable
is used.
Содержание RW 2000 Series
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