| Pin Number | Device Pin Name |
Description (may be empty) |
| 4 | TX_RS232 | RS232 level |
| 6 | +5V VDC | |
| 5 | TX_TTL | CMOS TTL level |
| 3 | GND | |
| 1 | RX_TTL | CMOS TTL level or DGPS input (RS232 level) |
| 2 | RX_RS232 | RS232 level |
| Pin Number | Device Pin Name |
Description (may be empty) |
| 4 | TX_RS232 | RS232 level |
| 6 | +5V VDC | |
| 5 | TX_TTL | CMOS TTL level |
| 3 | GND | |
| 1 | RX_TTL | CMOS TTL level or DGPS input (RS232 level) |
| 2 | RX_RS232 | RS232 level |