Dell OptiPlex 755 User's Guide - Page 26

4 power connector 5 back panel connectors 6 card slots (4) Insert the power cable. Plug serial, USB, and other devices into the appropriate connectors. See "Back Panel Connectors" on page 26. Access connectors for any installed PCI or PCI Express cards, PS/2 connector, eSATA connector, etc. Back Panel Connectors 1 2 34 5 9 1 parallel connector 2 link integrity light 6 8 7 Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB connector. NOTE: The integrated parallel connector is automatically disabled if the computer detects an installed card containing a parallel connector configured to the same address. For more information, see "System Setup Options" on page 281. • Green - A good connection exists between a 10-Mbps network and the computer. • Orange - A good connection exists between a 100-Mbps network and the computer. • Yellow - A good connection exists between a 1-Gbps (or 1000-Mbps) network and the computer. • Off - The computer is not detecting a physical connection to the network. 26 Mini Tower Computer