Schneider Electric provides a one cable solution that allows you to find the Schneider Electric controllers in a C2C network, including the slave controllers below the C2C Master controller.
This means that if you have a running C2C network, you can connect your Ethernet cable to any of the Schneider Electric controllers (Master or Slaves). This controller acts as a gateway and allows you to communicate with the other Schneider Electric controllers in your C2C network avoiding a direct cable connection.
So you can access controllers you cannot connect directly, for example, if the controller is installed in an inaccessible area of your plant or machine.
You can use the one cable connection: