RS-485 communications
| Number of ports |
1 |
| Cable type | Shielded twisted pair |
| Maximum cable length | 1200 m (4000 ft) |
| Maximum number of devices (unit loads) | Up to 32 devices on the same bus |
| Parity | None, even, odd |
| Baud rate | 2400–115200, 19200 recommended |