VCC1EQ12DE13OS14EN_RXD5GND6NC7Controller_RX1-8Controller_RX1+9GND10Controller_TX2-11Controller_TX2+12VCC13RSVD14OS215DE216EQ217GND18Connector_RX2+19Connector_RX2-20GND21Connector_TX1+22Connector_TX1-23NC24EP25