Installing An Oem6 Family Card With Wiring Harness And Enclosure - Novatel OEM6 Series User Manual

Chapter 2
2.5.1

Installing an OEM6 Family Card with Wiring Harness and Enclosure

To install an OEM6 family card:
1. Ensure adequate ESD protection is used as described in the following section.
2. Mount the OEM6 family card in a secure enclosure to reduce environmental exposure and RF inter-
ference, as described in Mounting the Printed Circuit Board starting on page 26.
3. Prepare a wiring harness to interface with the receiver's data, status and power signals using the
information in Preparing the Data, Signal and Power Harness starting on page 27.
Electrostatic Discharge (ESD) Precautions
ESD is a leading cause of failure of electronic equipment components and printed circuit boards
containing ESD sensitive devices and components. Follow ESD precautions when handling or installing
an OEM6 family card. See Appendix G, Electrostatic Discharge (ESD) Practices starting on page 173 for
more information on ESD precautions.
When the OEM6 family card is removed from the original packing box, keep the box and ESD protection
for future storage or shipment. Leave the OEM6 family card in the static shielding bag or clamshell when
not connected in a normal operating environment.

• Always wear a properly grounded anti-static wrist strap when handling OEM6 cards.
• Always hold the OEM6 family card by the corners or the RF shield: avoid direct contact
with any of the components.
• Never let the OEM6 family card come in contact with clothing. The ground strap cannot
dissipate static charges from fabrics.
• Failure to follow accepted ESD handling practices could cause damage to the OEM6
family card.
• The warranty may be void if equipment is damaged by ESD.
Mounting the Printed Circuit Board
The OEM6 family cards are OEM products and the printed circuit board is provided without a housing
structure. This allows flexibility in creating a mounting environment to suit particular product and
marketing requirements.

When installing cards, ensure all standoffs are properly installed and the mounting location
is level.
The amount of board deflection (bow and twist) must not exceed 0.75% of it characteristic
dimension. For example, on the OEM615, which is 71 mm long and 46 mm wide, the
deflection along the length must not exceed 0.53 mm and the deflection along the width
must not exceed 0.34 mm.
The mounting and enclosure should provide for the following:
• Mounting of external connectors
• Protection from hostile physical environments (rain, snow, sand, salt, water, extreme
temperatures, etc)
• Electromagnetic shielding to protect from hostile RF environments (e.g., nearby transmitters)
• Electromagnetic shielding so that the final product conforms to RF emissions specifications
 The card may not pass emissions testing by itself—it may need to be installed in an
enclosure. For more information on emissions testing, refer to the regulatory body in
your geographic area. In the United States, contact the Federal Communications
Commission (FCC) and in Europe, contact the Conformité Européenne (CE).
26 OEM6 Family Installation and Operation User Manual Rev 7
Installation OEM6 Family Cards