Connector
| @cnn@ | Terminal | Symbol | Description |
 | 1 | 0V | RS485 serial common |
| 2 | B | Terminal RS485 B |
| 3 | A | Terminal RS485 A |
Setup of AUX2 PORT polarisation and termination resistances
| @dip@ | Num.
Dip | Name
Dip | Setting
of DIP | Function |
| 1 | JP3 | ON | Polarisation RS485 |
| 2 | JP2 | ON | Termination RS485 |
| 3 | JP1 | ON | Polarisation RS485 |
| 4 | | X | None |
1)
X = setting not significant