Sony PCV-J200 - Manual (Page 17)

Welcome
17
Warning: Your computer has a protective sticker covering the Ethernet port
located on the rear panel. Connect only 10Base-T and 100Base-TX cables to
the Ethernet port. Using other cables or a telephone cable may result in an
electric current overload and can cause a malfunction, excessive heat or fire
in the port. For help on connecting to a network, see your network
administrator.