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Quick Start Guide
GFK-2851A
Ethernet Port Connections to IEC 61850
2.5.
LAN
Each port on an ECM850 operates independently through an
embedded Ethernet switch, so devices that operate at different
speeds and/or duplex modes can be attached to different ports.
Each port automatically detects the attached cable and functions
properly with either straight-through or crossover cables.
Note:
The ECM850 operates only in autonegotiate mode. All IEC 61850
devices and switches that are connected to the ECM850 should be configured
to use autonegotiation.
IEC 61850 LAN Topologies
There are three basic topologies that can be used alone or in
combination for connecting an ECM850 with up to 32 IEDs on an
IEC 61850 network. Each of these methods is illustrated and
described below.
Hardware Installation
Chapter 2
Sep 2019
19
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