User manual

Hardware description |
Seite 41
2.3.1.3. Selecting between RS-232 or RS-485 interface
The factory setting mode of the interface is RS-232. The following describes
how to change the interface mode to RS-485.
Notice!
Bevore opening the device, please note the following:
Disconnect the power supply (unplug AC/DC adaptor)!
Do not touch electronic components. They could be destroyed by electrostatic
discharge! If necessary, touch grounded metal casings or radiators.
Remove a module‘s side element. Unscrew the three Phillips screws.
Pull the circuit board together with the front panel sideways out.
Lift the front panel from the module.
Next to the left side of the serial interface (D-SUB 9 pol. connector) is a 10pol.
header with corresponding jumpers. The following table shows, which jumpers
to plug-in.