Simple 1 wire addition will allow easy addition of a Wifi dongle to the RJ11 port.
Cable Pinouts:
| Desc | DB25 | DB9 | RJ11 | RJ45 |
| +5V | 8 | 1 | 4 | 6 |
| TXD | 3 | 2 | 2 | 4 |
| RXD | 2 | 3 | 3 | 5 |
| GND | 7 | 5 | 1 | 3 |
Simple 1 wire addition will allow easy addition of a Wifi dongle to the RJ11 port.
Cable Pinouts:
| Desc | DB25 | DB9 | RJ11 | RJ45 |
| +5V | 8 | 1 | 4 | 6 |
| TXD | 3 | 2 | 2 | 4 |
| RXD | 2 | 3 | 3 | 5 |
| GND | 7 | 5 | 1 | 3 |