Cradlepoint COR IBR600 Installation Manual - Page 6
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Also for Cradlepoint COR IBR600: Quick Start Manual (2 pages), Quick Start Manual (2 pages), Installation Manual (12 pages)
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COR IBR600 Vehicle Installation Guide
FILTERS
Voltage transients on the router's 12 V input power lines
may cause erratic behavior or damage. This "noise" can
range in frequency from a single spike to a few kilohertz
or hundreds of megahertz and is typically caused by
electromechanical components in the vehicle, or even by
additional electrical accessories installed in the vehicle.
Filters may help control these transients; however, good
installation techniques must be followed to ensure best
router performance and protection.
+
IMPORTANT—Filters should be placed as close as
practical to the router input power. Keep power
lines to the device short. Failure to do so may
reduce the effectiveness of the filter.
+
Noise filters can be as simple as a capacitor (or
two) placed across the 12 V power line into the
device. Adding an inductor and second capacitor
to form a "pi" filter is more effective.
Noise generated
+
-
Battery
Fig 2. Location of the filter is important. Keep lines to
mobile devices short.
Fig 3. Filter component types. Pi is preferred.
©2017 Cradlepoint. All Rights Reserved.
Noise generated
Noise received
+
-
M
Battery
Input
Output
Keep short
Ground
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