Serial Port (RS485)
| Specification | Rating |
| Connector | 9-way terminal (shared with RS232) |
| Conductor | 24 – 18 AWG |
| Electrical Isolation | 1500 Vrms for 1 minute |
| BAUD | 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 |
| Parity | None, Even, Odd |
| Data bits | 8 |
| Stop bits | 1 |