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D400 Substation Data Manager User's Manual 57
4.7 Network Connections
The D400 supports a network interface through Ethernet connections to the 4-Port
Twisted-Pair Ethernet Switch or Redundant Twisted-Pair Ethernet + COM2 Port Adapter.
All RJ-45 connectors have the same signal definition. However, the rear Ethernet ports
are auto MDI/MDIX and can support a straight-through or crossover cable.
See sections “3.8 4-Port Twisted-Pair Ethernet Switch” and “3.10 Redundant Twisted-Pair
Ethernet + COM2 Port Adapter” for more information.
» To connect the D400 to network devices, plug network cables into the D400
Ethernet ports.
Front Network Port
To access the D400’s built-in HMI, a local or portable PC can be directly connected to the
network port located on the front panel of the D400.
» To connect a local PC to the D400:
Connect a straight-through Ethernet cable to your computer’s network communications
port and to the D400's front Ethernet port.