Samsung PL64E8000GFXZP - Manual (Page 106)

modem using a LAN cable.
– You can attach your TV to your LAN
by connecting the LAN port on the
back of your TV to an IP Sharer
which is connected to an external
modem. Use LAN cable for the
connection.
– Depending on how your network
is configured, you may be able to
attach your TV to your LAN by
connecting the LAN port on the back