The AWR2E44PEVM is powered by the 12V power jack (>2.5A current capability). When power is provided the AR_NRST, VBAT_INT, and 5V0 LEDs glow, indicating that the board is powered up.
Figure 2-3 12-V Power Connector
Note: After the 12V power supply is provided to the EVM, TI recommends to press the NRST switch (SW1) one time to provide for a reliable boot-up state.