Sony VGN-FS Series Benutzerhandbuch

Network and telephone lines cannot be connected to the Network (Ethernet) port on the computer. If the following connectors are connected to the 
telephone lines mentioned below, high electric current to the connectors may cause damage, overheating or fire.

- Home (intercom speakerphone) or business-use telephone lines (multi-line business telephone)

- Network lines such as 1000BASE-T, 100BASE-TX, and 10BASE-T lines (depending on the model you purchased)

- Public telephone subscriber line

- PBX (private branch exchange)

- Lines other than those mentioned above

Do not plug a telephone cable into the network port.