7 PACSystems™ RSTi-EP EPSCPE115 Standalone CPU Quick Start Guide GFK-3039C
Figure 3: Typical Multi-Tier LAN Application (Star/Bus topology)
Typical Multilevel Network Application
Whenever CPE115 is configured for MRP only, Ethernet Port2 & Port3 of LAN2 may be
used to form a ring. Ethernet Port4 of LAN2 may still be used either to connect to the
programmer, to a simplex PROFINET device or to any other supported Ethernet
protocols.