User`s manual

6 • Introduction
Figure 1-2 Branch Topology
Terminator
Host
CM 4520: RS -232 to
RS-485/RS-422 Converter
CM 4530: USB to
RS-232/RS485/RS-422
Converter.
RS-232
RS-485 bus
CM 4520
Repeater
RS-485 bus
CYMOD Modules
CM 4531