COM1/COM2 25 pin male (RS232/422)
| 腳 位 |
說 明 |
| 2 |
RS232-TX |
| 3 |
RS232-RX |
| 4 |
RS232-RTS |
| 5 |
RS232-CTS |
| 7 |
GND |
| 12 |
RS422-CTSB(+) |
| 13 |
RS422-CTSA(-) |
| 14 |
RS422-TXB(+) |
| 15 |
RS422-TXA(-) |
| 16 |
RS422-RXB(+) |
| 17 |
RS422-RXA(-) |
| 21 |
+5V |
| 22 |
12-24V (option) |
| 23 |
RS422-RTSB(+) |
| 24 |
RS422-RTSA(-) |
|
COM3 25 pin female (RS232/422)
| 腳 位 |
說 明 |
| 2 |
RS422-RXB(+) |
| 3 |
RS422-TXB(+) |
| 4 |
RS422-CTSB(+) |
| 5 |
RS422-RTSB(+) |
| 7 |
GND |
| 8 |
GND |
| 9 |
RS232-TX |
| 10 |
RS232-RX |
| 12 |
+5V |
| 13 |
+5V |
| 15 |
RS422-RXA(-) |
| 16 |
RS422-TXA(-) |
| 17 |
RS422-CTSA(-) |
| 18 |
RS422-RTSA(-) |
| 20 |
GND |
| 21 |
GND |
| 22 |
12-24V (option) |
| 24 |
+5V |
| 25 |
+5V |
|
