ATX-6895 COM

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COM1:
Pin 信号名称
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
  • COM1、COM2跳线功能设置:J1、J2、J3、J4、J5、J6
COM1 RS232(默认) COM1 RS422 COM1 RS485
J4 1-3 2-4 J4 3-5 4-6 J4 3-5 4-6
J5 1-3 2-4 J5 3-5 4-6 J5 3-5 4-6
J6 1-2 J6 3-4 J6 5-6 7-8
COM2 RS232(默认) COM2 RS422 COM2 RS485
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

当COM1、COM2设置为RS232/RS422/RS485时,其管脚定义如下:

Pin RS232(默认) RS422 RS485
1 DCD TX- DATA-
2 DSR NC NC
3 RXD TX+ DATA+
4 RTS NC NC
5 TXD RX+ NC
6 CTS NC NC
7 DTR RX- NC
8 RI NC NC
9 GND GND GND
10 GND GND GND

COM2-6:

信号名称 Pin Pin 信号名称
DCD 1 2 DSR
SIN 3 4 RTS
SOUT 5 6 CTS
DTR 7 8 RI
GND 9 10 GND