n The fans of the expansion boxes have a dust filter. You have to
check the dust filter for dirt at least once a year. More frequent
checks may be necessary depending on the operating conditions.
If the dust filter is dirty, you must replace it.
A dirty dust filter blocks the input air stream and increases the
temperature in the box, which may shorten the life of the
hardware components. For instructions, refer to How to Check
and Replace the Dust Filter of an Expansion Box on page 50.
Safety Precautions for Using Connector Panels
To avoid damage to the hardware and to achieve safe and
trouble‑free operation, the following guidelines must always be
observed.
Objective
n Before connecting a panel to a board, make sure that the PC or
the expansion box (if used) are turned off and no external devices
are connected to the panel.
n No chemicals other than alcohol (ethanol or isopropanol) should
be used to remove writing from the panel templates, since they
might damage the permanent print on the templates or even
corrode the panel.
n Guard against foreign objects (staples, etc.) falling or blowing into
the unit, or liquids being spilled into it.
n Do not expose the panel to excessive dust or moisture.
Guidelines
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Safety Precautions
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20
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DS1103 Hardware Installation and Configuration November 2014
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