Technical data

Chapter 2 – Installation
RS485 and RS232 Adapter Installation and Start-up Guide 2-3
Connectors and Switches
The adapter operates either in RS232 mode or RS485 mode. The mode can be
selected with a jumper. By default, the adapter operates in RS485 mode at a
communication speed of 9600 bps (bits per second).
Figure 2-2 Connectors and switches.
LEDs:
RxD
TxD
Power
RS485 terminal X1
RS232 terminal X4
RS485 bus termination
switch S1
RS485 terminal X2
RS323/RS485 mode
selection jumper S3
DIP switch S2
Communication
speed setting
1 2 3 4 5 1 2 3 4 5