Sony PCG-R505GCP - Manual (Page 21)

Applying Ergonomics
21
Right
1 USB port 5 Peripheral device DC OUT port
2 Headphone jack 6 VGA (monitor) port
3 Microphone jack 7 Ethernet port
4 i.LINK® (IEEE 1394) S400
port
8 Modem jack
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.