3Com 100 TX manual Removing the Fuse

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2-10 CHAPTER 2: INSTALLING THE FMS 100-TX HUB

4Remove the burned-out fuse by pulling it straight out of its socket, as shown in Figure 2-8.

Figure 2-8 Removing the Fuse

If you wish, you can store a spare fuse in the front section of the fuse-holder.

5Insert a new fuse, rated at 2 A, 250 V, in the fuse-holder.

6Push the fuse-holder back into the AC receptacle until it snaps in place, and reconnect the AC power cord.

If the PWR LED remains off, contact your network supplier.

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Contents FMS 100-TX HUB 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Glossary Cispr a Compliance Page Figures Tables Port LEDs Hub Operation LEDsHow to Use This About this GuideIntroduction GuideConventions Introduction GeneralDescription Front Panel of LinkBuilder FMS 100-TX Hub Only one Management Unit can be attached to each stack Harming the network Installing UnpackingHub Positioning Attaching a Bracket for Rack Mounting Installing a Hub Stack in a Rack Installing TransceiverInterface Modules 100BASE-TX Using Power System Redundant Connecting the Redundant Power System to Four Hubs Opening the Fuse-holder in the AC Receptacle Assembly Removing the Fuse Aking FMS 100-TX H UB ConnectionsTwisted-pair Cable Server RJ-45 Connector Pin Assignments Down expansion port UP expansion port Connecting a Hub Stack to a Management Unit Connecting Hubs to the Network Backbone Considerations ForMultisegmented NetworksLinkBuilder FMS Classification RepeatersClass II Hubs LED FAN Fail Power-Up Disabled Option Switch EnabledPage Cabling Interface Module CablingRequirements Connecting the Hub in a Network Span of 260.8 Meters Using an Internetworking Device to Extend the Network Span Specifications Page Services On-line TechnicalAccess by Isdn Support from Your NetworkSupplier To find your authorized service provider 3ComGlossary FMS Flexible Media Stack Com’s family of stackable hubs Glossary Glossary Index NumericsInstalling hub Desktop placement 2-5 positioning Index Page Limited Warranty FCC Class a Verification Statement Page Page Page Page Reader Comment Form Business Reply Mail