User guide

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Maintenance & Safety
Ergotron Electromagnetic Guidance and Manufacturer’s Declaration
Guidance and Manufacturer’s Declaration – Electromagnetic Emissions
The Powered Computer Cart is intended for use in the electromagnetic environment speci ed
below. The customer or the user of the Powered Computer Cart should assure that it is used in
such an environment.
Emissions Test Compliance Electromagnetic environment – guidance
RF Emissions
CISPR 11
Group 1 The Powered Computer Cart uses RF energy only for its
internal function. Therefore, its RF emissions are very
low and unlikely to cause any interference in nearby
electronic equipment.
RF Emissions
CISPR 11
Class A The Powered Computer Cart is suitable for use in all
establishments other than domestic and those directly
connected to the public low-voltage power supply
network that supplies buildings used for domestic
purposes.
Harmonic Emissions
IEC 61000-3-2
Class A
Voltage  uctuations/
 icker emissions
IEC 61000-3-3
Complies
Guidance and Manufacturer’s Declaration – Electromagnetic Immunity
The Powered Computer Cart is intended for use in the electromagnetic environment speci ed
below. The customer or the user of the Powered Computer Cart should assure that it is used in such
an environment.
Immunity Test IEC 60601
Test Level
Compliance
Level
Electromagnetic environment
- guidance
Electrostatic
Discharge (ESD)
IEC 61000-4-2
±6 kV contact
±8 kV air
Complies Floors should be wood,
concrete, or ceramic tile. If  oors
are covered with synthetic
material, the relative humidity
should be at least 30%
Electrical Fast
Transient/Burst
IEC 61000-4-3
±2 kV for power supply lines
±1 kV for input/output lines
Complies Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-5
±1 kV di erential mode
±2 kV common mode
Complies Mains power quality should be
that of a typical commercial or
hospital environment
Voltage
Dips, short
interruptions,
and voltage
variations on
power supply
input lines
IEC 61000-4-11
<5% U
T
(>95% dip in U
T
) for 0.5 cycle
40% U
T
(60% dip in U
T
) for 5 cycles
70% U
T
(30% dip in U
T
) for 25 cycles
<5% U
T
(>95% dip in U
T
) for 5
seconds
Complies Mains power quality should be
that of a typical commercial or
hospital environment.
Power
Frequency
(50/60 Hz)
Magnetic Field
IEC 61000-4-8
3 A/m Complies Power frequency magnetic
 elds should be at levels
characteristic of a typical
location in a typical commercial
or hospital environment.
Note: U
T
is the AC mains voltage prior to application of the test level