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Electromagnetic Compatibility
In some instances, the site chosen for a work station may have high
ambient electromagnetic fields, which could interfere with the operation of
the work station. These fields can result from nearby radio-frequency
sources, such as transmitting antennas (AM, FM, television, and two-way
radios), radar installations, and industrial equipment (radio-frequency
induction heaters, arc welders, and insulation testers). Three-phase power
distribution lines can generate magnetic fields that may cause problems
with the work station. As a precautionary measure, keep the work station
as far away as possible from power distribution lines, preferably never
closer than 1 meter (3.3 feet).
Other magnetic sources are, for example, transformers (including those
installed within other units; see Notes below), distribution panels, rotating
machinery, and electrical floor heating. A check should be made with your
building engineer to identify the location of such magnetic sources.
Before positioning units or cabling, an installation planning review may be
appropriate to assess the environment and to determine whether any special
installation or product considerations are required to assure normal system
operation and maintenance. Consult your IBM Installation Planning
Representative.
Notes:
1.
Printers and plotters must be positioned at least 305 millimeters
(1
foot)
away from the display unit to avoid interference.
2.
On dual-screen work stations, the 5379 and 5151 Displays might cause
screen interference if they are too close together. A slight rearrangement
of the displays should eliminate the problem.
Electrostatic Discharge
High-resistance floor coverings and/or plastic seat covers, in conjunction
with low humidity, can cause high electrostatic charges to build up on
people and furniture. Avoid combination of these factors, because the
electrostatic discharges can cause personal discomfort and interference
with the work station.
78
Introducing the IBM 3270 Personal Computer/G and /GX Work Stations
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