MITX-6957-COM
来自ARM Wiki
COM1:
Pin 信号名称 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI
COM2:
信号名称 Pin Pin 信号名称 DCD 1 2 DSR RX 3 4 RTS TX 5 6 CTS DTR 7 8 RI GND 9 10 COM_PIN10
- COM2 跳线功能设置(J1、J2、J3):
Pin COM2 AS RS232 PORT Pin COM2 AS RS422 PORT Pin COM2 AS RS485 PORT J1 1-3,2-4 J1 3-5,4-6 J1 3-5,4-6 J2 1-3,2-4 J2 3-5,4-6 J2 3-5,4-6 J3 1-2 J3 3-4 J3 5-6,7-8
COM3-6/COM7-10:
信号名称 Pin Pin 信号名称 DCD3/7 1 2 DSR3/7 RXD3/7 3 4 RTS3/7 TXD3/7 5 6 CTS3/7 DTR3/7 7 8 RI3/7 GND 9 10 COM_PIN10 DCD4/8 11 12 DSR4/8 RXD4/8 13 14 RTS4/8 TXD4/8 15 16 CTS4/8 DTR4/8 17 18 RI4/8 GND 19 20 COM_PIN10 DCD5/9 21 22 DSR5/9 RXD5/9 23 24 RTS5/9 TXD5/9 25 26 CTS5/9 DTR5/9 27 28 RI5/9 GND 29 30 COM_PIN10 DCD6/10 31 32 DSR6/10 RXD6/10 33 34 RTS6/10 TXD6/10 35 36 CTS6/10 DTR6/10 37 38 RI6/10 GND 39 40 COM_PIN10
- COM电压选项插针(J9):
设置 J9 1-2 +5V 2-3 +12V