Flow chart for dual antenna mode
B-12 Appendix B: Antenna Diversity Solution (ADS) 98-141779-G
B.4 Flow chart for dual antenna mode
OTC procedure: During start up the Modem sends a command to select antenna 1
(master) and checks whether the OTC calibration data is up to date. If not, OTC is started on
antenna 1. When done, the Modem restarts and checks if antenna 1 is up to date, and OTC
is started on antenna 2 (slave). When done, the Modem restarts. The process for the entire
OTC for 2 antennas may take up to 16 minutes. If a BUC is exchanged in one of the
antennas, the OTC is only done for the modified antenna and the total time for OTC is
shorter.
Figure B-12: Flow chart
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