Dell OptiPlex N Service Manual (.pdf) - Page 11
Optional Built-In NIC, Stand for Vertical Orientation, NIC Connector on I/O Panel - optiplex network card
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Optional Built-In NIC The Dell OptiPlex N computers offer an optional integrated 10/100-Mbps 3Com® PCI 3C905 Ethernet NIC subsystem. The NIC provides all the functions of a separate 3Com 3C905 network expansion card and supports the 100BASE-TX Ethernet standards. Category 5 wiring and connections must be used. The integrated NIC does not support the Wakeup On LAN feature. Wakeup On LAN capability is provided by an optional NIC expansion card such as the Intel EtherExpress™ PRO/100M. The NIC subsystem connects to the Ethernet network through an RJ45 connector on the back panel of the computer. link integrity indicator activity indicator NIC connector Figure 1-5. NIC Connector on I/O Panel On computers with the optional built-in NIC, the NIC (RJ45) connector and NIC interface circuitry are mounted on the system board. The connector includes the following indicators (see Figure 1-5): • A yellow activity indicator flashes when the computer is transmitting or receiving network data. (A high volume of network traffic may make this indicator appear to be in a steady "on" state.) • A green link integrity indicator lights up when there is a good connection between the network and the NIC. When the green indicator is off, the computer is not detecting a physical connection to the network. "Network Considerations" in the online Network Administrator's Guide provides instructions for connecting the computer to, and configuring it for use on, an Ethernet network. Stand for Vertical Orientation The computer can be used in a vertical orientation by attaching an available stand to the left side of the computer. System Overview 1-5