Iridium 9603 Developer's Manual page 16

Iridium 9603 SBD Transceiver Product Developers Guide
Revision 3.1
Figure 5. Motherboard mounting suggestions for the 9603/9603N Transceiver
1. This example of a host system motherboard footprint is shown for illustrative purposes only. The host system may require a
different PCB layout or mechanical arrangement.
2. The 9603/9603N is designed to be incorporated within a host system. As such, the antenna or cable distribution system that
feeds the host system should be terminated in a robust RF connector that is suitable for the end-application.
3. Safety isolation requirements for external antennas or cable distribution systems should also be taken into consideration when
designing the motherboard. A suitably safe design for the RF connections should be incorporated into the host system
motherboard, ideally using a chassis-bonded ground connection to the antenna cable shield.
4. The surface below the modem should be a conductive ground plane such that the modem bonds to the motherboard ground
system thus reducing the possibility of radiated emissions. This also requires that the mounting screws be properly tightened
to 10 cNm of torque.
The modem is to be installed in a "service access only" area not accessible by untrained personnel.
5.
Warning- Although the modem dissipates very little power, its use in ambient temperatures in excess of 60
degrees C will make the caseworks considerably hot.
Proprietary & Confidential Information
Distribution of guide restricted to product developers only • Information contained in this guide is subject to change without notice.
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