MITX-6553 COM

PWR：

COM1_DCD_N  !! 1  !! 2  !! COM1_DSR_N COM1_RXD  !! 3  !! 4  !! COM1_RTS_N COM1_TXD  !! 5  !! 6  !! COM1_CTS_N COM1_DTR_N  !! 7  !! 8  !! COM1_RT_N GND  !! 9  !! 10  !! GND NC  !! 11  !! 12  !! NC COM2_RXD  !! 13  !! 14  !! NC COM2_TXD  !! 15  !! 16  !! NC NC  !! 17  !! 18  !! NC GND  !! 19  !! 20  !! GND COM3_B  !! 21  !! 22  !! NC COM3_RXD  !! 23  !! 24  !! NC COM3_TXD  !! 25  !! 26  !! NC NC  !! 27  !! 28  !! NC GND  !! 29  !! 30  !! GND COM4_B  !! 31  !! 32  !! NC COM4_RXD  !! 33 34  !! NC COM4_TXD  !! 35 36  !! NC NC  !! 37 38  !! NC GND  !! 39 40  !! GND

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