Dell PowerConnect 2216 User Manual

Also see for PowerConnect 2216: User guide Technical Specifications Update

Contents

Back to Contents PageTroubleshootingDell™ PowerConnect™ 2216/2224/2324 Switches User's GuideThis section provides troubleshooting information for your switch. Table 2-1 describes general problems you may encounter and the probable causes andsolutions.Table 2-1. Basic TroubleshootingBack to Contents PageProblem Probable Cause Corrective ActionPower LED is not lighted. There is no power to the switch. Confirm that the switch is connected to a properly functioningand active power source.Ensure that the power cable is securely connected to theswitch and to a power source.Link LED is not lighted. The cable is not securely connected to the switch or theattached device.Ensure that the connectors are fully inserted into the ports ofthe switch and the attached device.The attached device is not configured correctly, or it is notpowered on.Ensure that the attached device is powered on. Verify that theNIC on the attached device is operating properly.The cable is damaged or not properly terminated. Test the cable.Try a known working cable.Ensure that the cables are terminated using TIA 568A or 568Bstandards.The cable's maximum distance has been exceeded. 10Base-T, 100Base-T, and 1000Base-T cables have limitationsfor link lengths. Move the connected device closer to the switchand use a shorter cable.Mismatched duplex mode. Ensure that all devices connected to the switch are configuredto automatically detect and set port speed and duplex settings.Bad switch port. Reconnect the connector for the affected link to a differentswitch port.Link speed LED indicates alower speed than expected.Incorrect cable grade. Ensure that you are using Category 5 cable or better for all10Base-T and 100Base-T links, or Category 5e for 1000Base-Tlinks.Damaged cable. Test any cables that have kinks, sharp bends, or appear to bedamaged.The cable's maximum distance has been exceeded. 10Base-T, 100Base-T, and 1000Base-T cables have limitationsfor link lengths. Move the connected device closer to the switchand use a shorter cable.Link LED is lighted, but theactivity (ACT) LED does notblink.There is no Ethernet traffic on the link. The LED blinks onlywhen traffic is being passed to or sent from a device that isconnected to the port.No action required.The attached device is not configured correctly. Verify that the port or NIC on the attached device is operatingproperly.Link LED is lighted and theFDX/HDX LED blinksoccasionally.This can be normal link activity. Some collisions take placeduring normal operation.No action required.Link LED is lighted and theFDX/HDX LED blinksfrequently.Mismatched duplex mode. Ensure that any devices connected to the switch are set toautomatically detect and set port speed and duplex settings.The link is reaching its maximum capacity. Resegment the network to decrease the number of users onthe link.