ABB PQFS Installation, Operation And Maintenance Instructions page 137

Example 2: The below screen shows the default settings to connect to an Ethernet
network (note that the PC which is also connected to the LAN has its own IP address
given by the network with DHCP enabled)
Details about the communication settings can be found in the manual:
2GCS214017A0070_PQF-Manager communication with Modbus RTU, Modbus TCP and
PQ-Link protocols.
Reboot the PQF-Manager to initialize it with these parameters.
Ethernet / TCP/IP
TCP/IP connections can be indifferently initiated locally or remotely.
The TCP port used by default is 4250.
The connection to the PQF-Manager is an RJ45 Cat5e Ethernet cable.
The PQF-Manager can be connected directly to a LAN or through Internet.
Manual Power Quality Filter PQFS  Commissioning instructions 137