Acnodes FES 5313 - Manual (Page 95)

34. In the TCP/IP Settings menu, select
Wired LAN IPV4 Configuration then press
Enter.
35. In the Wired LAN IPV4 Configuration
menu, select DHCP Mode then press
Enter. Select Disabled then press Enter.
36. Select Previous Menu until you
return to the TCP/IP Settings menu.
Select Wired LAN IPV6 Configuration
then press Enter.