3Com Baseline 2816 User Manual

Also see for 3CBLUG16A - Baseline Switch 2816: User guide User guide

Contents

3Com Baseline 2816 User Manual Manual pdf 17 page image

Connecting a Network Device 17If POST fails, try the following:■ Power off the Switch, and then power it on again.Check the Power LED and see if POST wassuccessfully completed.■ Reset the Switch. See “Resetting to Factory Defaults”on page 43.CAUTION: Resetting the Switch to its factory defaultserases all your settings. You will need to reconfigure theSwitch after you reset it.If these do not resolve the issue:■ Check the 3Com Knowledgebase for a solution. Tovisit the 3Com Knowledgebase Web site, start yourWeb browser, and then enterhttp://knowledgebase.3com.com .■ Contact your 3Com network supplier for assistance.Connecting a Network DeviceTo connect a network device to the Switch, useCategory 5 unshielded or shielded (screened) 100 OhmTP cables (or Category 3 cables for 10 Mbpsconnections).For optimal connections, ensure that the cable lengthfor each connection is not longer than 100 m (328 ft).Figure 3 Connecting Devices to the SwitchTo connect a device to the Switch:1 Connect one end of the cable to an RJ-45 port on theSwitch.Yellow Power-on self-test or loopback test failed. TheSwitch is in fail-safe mode. This can happen if aports or ports fail when the Switch was poweredon.Off The unit is not receiving power:■ Verify that the power cord is connected cor-rectly, and then try powering on the Switchagain■ If the Switch still does not operate, contactyour 3Com network supplierColor State10 Mbps or 100 Mbps linkBaseline 10/100 SwitchBaseline 10/100 Switch Endstations on switched100 Mbps connectionsEndstations on switched100 Mbps connectionsEndstations onswitched 100 Mbps or 1000 Mbpsconnections1000 Mbps copper or F iberconnection to backboneor server/worksation1000 Mbps linkBaseline Switch 2250Baseline Switch 2816/2824-SFP Plus