Schneider Electric 174 CEV - Manual (Page 15)

Installing the Bridge Hardware
11
CE Installation Requirements (Section 2.6)
If the bridge is being installed at a site that must meet CE requirements, and the
10Base--T (RJ--45) connector is being used, a ferrite bead must be installed on the
Ethernet cable at the RJ--45 connector.
Verifying the Network Communication (Section 2.7)
Check the Ethernet and Modbus Plus LEDs to verify operation of the bridge.