180 | XIO USER MANUAL | 2106424MNAB
Figure 9-1: Incorrect Ethernet connections for an XIO in 4-port switch mode
Legend: Incorrect use of Ethernet connections
Third party Ethernet switch or hub
9.1.2 Ethernet modes
The connections supported by the XIO depend on the configuration of the Ethernet interfaces. The
interfaces support several modes of operation, and these modes need to be taken into consideration when
planning connections.
The supported modes on the XIO are:
– 4-port switch mode: factory default. All 4 Ethernet interfaces are logically combined into a single
network. The 4 ports switch traffic between each other.
– 1 network mode: supported by the enterprise ports only. The two enterprise ports are logically
combined into a single network (ports switch traffic between each other).
– 2 network mode: supported by both the enterprise and industrial ports. Each set of Ethernet
interfaces are isolated into individual ports, each assigned to its own network. Traffic on each of the
ports is isolated from the other ports. Communication in each is independent of the others.
9.2 IP parameter configuration
Ethernet connectivity requires the correct IP parameters for connecting systems. To configure a host
system, controllers, flow computers or any other device supporting native Ethernet interfaces, each
system must have a unique and valid IP address, the correct associated subnet mask, and a gateway (if
remote or network communication is required).
IP addressing depends on the number of Ethernet interfaces or ports
on the device and their configuration
mode. Devices with multiple Ethernet interfaces may
require more than one IP address.
Consult the network administrator to determine the
appropriate configuration for
each specific scenario. See section 9.2.1 for additional details
or see PCCU online help topics.
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