All communication connectors, except for the front port connector, are placed on
integrated optional communication modules. The IED can be connected to Ethernet-
based communication systems via the RJ-45 connector (100Base-TX) or the fibre-
optic LC connector (100Base-FX).
Managed Ethernet switch
with RSTP support
Managed Ethernet switch
with RSTP support
RED615
REF615
RET615
REU615
REM615
Client B
Client A
Network
Network
GUID-AB81C355-EF5D-4658-8AE0-01DC076E519C V1 EN
Figure 6:
Redundant Ethernet solution
1MRS757054 A
Section 2
REU615 overview
REU615
19
Application Manual