Dell Latitude D630C (Late 2008) - Manual (Page 29)

About Your Computer 29
CAUTION: Do not block, push objects into, or allow dust to accumulate in the air
vents. Do not store your computer in a low-airflow environment, such as a closed
briefcase, while it is running. Restricting the airflow can damage the computer or
cause a fire.
NETWORK CONNECTOR (RJ-45)
NOTICE: The network connector is slightly larger than the modem connector. To
avoid damaging the computer, do not plug a telephone line into the network
connector.
1 network connector (RJ-45) 2 modem connector (RJ-11)
3 USB connectors (2) 4 serial connector
5 video connector 6 AC adapter connector
7 air vents
Connects the computer to a network. The two lights next to
the connector indicate status and activity for wired network
connections.
For information on using the network adapter, see the device
user’s guide supplied with your computer.