Advantech ADAM-5511 Manual page 51

Network address/baud rate setting
There is a set of DIP switch terminals on the right side of the ADAM-
5511 back plane.
Set the network address using DIP switches 1~5. Valid settings range
from 0 to 255.
Node ID:
Dip
ON
OFF
Set DIP switch 6 on when you need to use COM1.
1 2
0 1
2 2
0 0
3 4
2 3
2 2
0 0
5
4
2
0