ETH232GY | 工業以太網/串口轉換器 | RS-232/485/422通用、5V供電(5~24V) | -40~+85℃ |
1、硬件安裝
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
RS-232 | | RXD | TXD | | GND | | | | |
RS-485 | A | | | | GND | | | | B |
RS-422 | T+ | | | | GND | R+ | | R- | T- |