介紹RS232D串口的機械特性,電氣特性,功能特性及信號及連接器管腳定義.
RJ45介面的RS-232D介面定義
| Pin | Name | Dir | Description |
|---|---|---|---|
| 1 | DSR/RI |  | Data Set Ready / Ring Indicator |
| 2 | CD | | Carrier Detect |
| 3 | DTR |  | Data Terminal Ready |
| 4 | GND |  | System Ground |
| 5 | RXD | | Receive Data |
| 6 | TXD | | Transmit Data |
| 7 | CTS | | Clear to Send |
| 8 | RTS | | Request to Send |
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