Sony PCG-FXA33 - Manual (Page 17)

Locating Controls and Connectors
17
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1 Modem jack 5 Monitor port
2 USB port 6 Ethernet port
3 Serial port 7 DC In port
4 Printer port
Only connect 10Base-T and 100Base-TX cables to the Ethernet port. Do not
connect any other type of network cable or any telephone line. Connecting
cables other than those listed above may result in an electric current
overload and could cause a malfunction, excessive heat, or fire in the port.
To connect the unit to the network, contact your network administrator.
✍
There is a ventilation slot located between the Ethernet port and the USB port. Do not
cover the ventilation slot when your notebook is on.