| Pin | RS232 | RS485 |
| 1 | RxD | N.C. |
| 2 | TxD | N.C. |
| 3 | RTS | N.C. |
| 4 | N.C. | D1 / D+ |
| 5 | N.C. | D0 / D- |
| 6 | CTS | N.C. |
| 7 | N.C. | 5 Vdc |
| 8 | Common | Common |
CTS: Clear to Send
RTS: Ready To Send
RxD: Received Data
TxD: Transmitted Data
N.C.: No Connection
發佈於:施耐德電機Taiwan
{}
| Pin | RS232 | RS485 |
| 1 | RxD | N.C. |
| 2 | TxD | N.C. |
| 3 | RTS | N.C. |
| 4 | N.C. | D1 / D+ |
| 5 | N.C. | D0 / D- |
| 6 | CTS | N.C. |
| 7 | N.C. | 5 Vdc |
| 8 | Common | Common |