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22 Cradles
MX3 User’s Guide E-EQ-MX3OGWW-F-ARC
Power Connector
Figure 25 Vehicle Cradle Power Connector
The Power connector is located on the back of the cradle. The cradle is powered by either a
vehicle’s 12V battery or from an approved accessory for vehicles with higher voltage (24 to 60
VDC) batteries. When powered, the cradle transfers external power to the MX3, which in turn,
recharges the main battery. A powered cradle allows RS-232 and IR communication.
RS-232 Connector
Figure 26 Vehicle Cradle RS-232 Connector
The RS-232 connector is located on the back of the cradle. When the MX3 is properly docked, the
bi-directional half-duplex transceivers in the MX3 and cradle are aligned through their IR
windows. The half-duplex IR signals from the MX3 are converted to RS-232 signals in the cradle
and available at this connector.