About Your Computer 27NOTICE: When you disconnect external devices from the back of thecomputer, wait 5 seconds after turning off the computer before you disconnectany devices to avoid possible damage to the system board.Parallel ConnectorThis is used to connect printers. Default designation is LPT1.NOTE: The integratedparallel port isautomatically disabled ifthe computer detects aninstalled expansion cardcontaining a parallel portconfigured to the sameaddress as specified in"Additional System SetupOptions."Mouse ConnectorTurn off the computer and any attached devices before connecting a mouseto the computer. If your computer uses Microsoft Windows 2000 orWindows NT 4.0, Dell installed the necessary mouse drivers on your harddrive.USB ConnectorsThese are used to attach USB-compliant devices such as keyboards, mice,printers, and computer speakers to your computer.Integrated Network Adapter ConnectorThe network adapter, which includes a Remote Wake Up feature, has thefollowing lights:• A yellow activity light flashes when the computer is transmitting orreceiving network data. (A high volume of network traffic may makethis light appear to be in a steady "on" state.)• A dual-colored link integrity light, which is green when there is a goodconnection between a 10-megabit per second (Mbps) network and thenetwork adapter and orange when there is a good connection betweena 100-Mbps network and the network adapter. When the light is off,the computer is not detecting a physical connection to the network.Network Cable RequirementsThe network adapter connector attaches an unshielded twisted pair (UTP)Ethernet cable to your computer. Press one end of the UTP cable to an RJ45jack wall plate or to an RJ45 port on a UTP concentrator or hub, dependingon your network configuration, and press the other end of the UTP cableinto the network adapter connector until the cable snaps securely into placeDell recommends the use of Category 5 wiring and connectors for ourcustomers’ networks.
