DOCA0098EN-11

Ethernet Port Settings

Your Com’X has two Ethernet ports.

The Ethernet ports can be configured in two modes:

  • Switch mode: two Ethernet ports share the same configuration.
  • Upstream/downstream mode: two Ethernet ports are configured separately.

Switch Mode Configuration

This graphic illustrates the Ethernet port configuration in switch mode:

In switch mode, both Ethernet ports have the same settings. Using two ports simplifies wiring:

  • one port can be connected to a switch in the local network.
  • one port can be used to connect a PC for configuration operations or to connect a data collection device locally with an Ethernet port.

Upstream/Downstream Mode Configuration

This graphic illustrates the Ethernet port configuration in upstream/downstream mode:

In upstream/downstream mode, the two Ethernet ports have different settings and function independently:

  • one port must be used for data publishing.
  • one port must be used for data collection.

The port used for data publishing (eth1) can be configured in DHCP client mode or static IPv4 address mode. The port used for data collection (eth2) can be configured in DHCP client, static IPv4 address, or DHCP server.

Ethernet Configuration Settings

DHCP client: The IP address is automatically assigned to the Com’X. It is recommended to have a fixed IP address, obtained by a DSL modem or by a network administrator.

Static IPv4 address: Type the IP, subnetwork mask, and default gateway addresses. Addresses are assigned to the Com’X by the IT administrator.

(see IPv4 Address Settings
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