Dell OptiPlex 740 Quick Reference Manual

Also see for OPTIPLEX 740: User guide Reviewer's guide User guide Technical guidebook Specifications

Contents

Quick Reference Guide 251 parallelconnectorConnect a parallel device, such as a printer, to the parallelconnector. If you have a USB printer, plug it into a USBconnector.NOTE: The integrated parallel connector is automaticallydisabled if the computer detects an installed card containinga parallel connector configured to the same address. Formore information, see "System Setup Programs" in your onlineUser’s Guide.2 link integritylight• Green — A good connection exists between a 10-Mbpsnetwork and the computer.• Orange — A good connection exists between a 100-Mbpsnetwork 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 physicalconnection to the network.3 network adapterconnectorTo attach your computer to a network or broadband device,connect one end of a network cable to either a network jackor your network or broadband device. Connect the otherend of the network cable to the network adapter connectoron the back panel of your computer. A click indicates thatthe network cable has been securely attached.NOTE: Do not plug a telephone cable into the networkconnector.On computers with a network connector card, use theconnector on the card.It is recommended that you use Category 5 wiring andconnectors for your network. If you must use Category 3wiring, force the network speed to 10 Mbps to ensurereliable operation.4 network activitylightFlashes a yellow light when the computer is transmitting orreceiving network data. A high volume of network trafficmay make this light appear to be in a steady "on" state.5 line-outconnectorUse the green line-out connector to attach headphones andmost speakers with integrated amplifiers.On computers with a sound card, use the connector on thecard.