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 |
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 |