Advantech ADAM-5510/P31 - Page 176

E-4 ADAM-5510/P31
RS-485 Network
Star Layout
In this scheme the repeaters are connected to drop-down cables from
the main wires of the first segment. A tree structure is the result. This
scheme is not recommended when using long lines since it will cause a
serious amount of signal distortion due to signal reflections in several
line-endings.
Figure E-2: Star structure