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be the first connection made to the Pearl Gateway during installation. Proper routing and
termination of this cable is key to robust EMI performance; in high susceptibility installations,
every effort shall be made to minimize ground connection impedance
The ground cable installation steps are as follows:
1. Lightly abrade the surface of the chassis grounding area (the paint free area around the
ground screw hole) with a fine wire brush or emery cloth to remove the oxide layer
which may have formed.
2. Use a clean cloth to remove any debris from this surface.
3. Immediately coat the contact surface with a thin layer of anti-oxidant compound.
4. Install the ground cable with its screw lug onto the chassis ground point using a #8-32
screw with flat and star lock washers, torqued to 2.2 Nm (20 in·lbs).
Figure 11: Pearl Mobile Gateway Module Ground Point
Pearl Gateway User Manual
TEKTELIC Communications Inc.
All manuals and user guides at all-guides.com
T0004906
Confidential
#8-32
Version 1.6
Page 22 of 52
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