Manuals / 3Com / Computer Equipment / Switch

3Com Hub 1000 SX manual

Models: Hub 1000 SX

1 70

Download 70 pages 54.81 Kb

Page 10

Image 10

3Com Hub 1000 SX manual

Contents

User Guide SuperStack II Hub 1000 SXA member of the 3Com SuperStack II System 3Com Corporation 5400 Bayfront Plaza Santa Clara, California UNITED STATES GOVERNMENT LEGENDS2 INSTALLING THE HUB CONTENTSABOUT THIS GUIDE 1 INTRODUCTION 3 MAKING CONNECTIONS A USING THE CONSOLE PORTPOST Messages TECHNICAL SUPPORT SPECIFICATIONSGLOSSARY INDEX 3COM CORPORATION LIMITED WARRANTY FCC CLASS A VERIFICATION STATEMENTPage FIGURES Page TABLES Port Conﬁguration MenuPage Notice Type ABOUT THIS GUIDEIcon DescriptionMenu commands CommandsSETDEFAULT !0 -IP NETaddr = and buttonsHub 1000 SX INTRODUCTIONGeneral Description Full-Duplex Downlinksand Uplink OperationFlow Control Features and FunctionsINSTALLING THE HUB SuperStack II Hub 1000 SX User GuideHub Description The hub’s front and rear panels are shown in Figure Installing and Connecting the Hub4 Repeat steps 2 and 3 for the other side of the hub Maximum Cable ConnectorTable 2-1 Downlink Connections TypeColor Table 2-2 Hub 1000 SX IndicatorsIndicator StatusInstalling and Connecting aGBIC Module The gigabit interface connector GBIC port on the rear panel of theUsing Optional Power SystemsPower Modules Cabling OptionsA hub connects to a UPS unit through the hub’s AC power cord Table 2-4 Advanced RPS Conﬁguration OptionsYou can connect a UPS unit to an Advanced RPS unit as long as you do not exceed the maximum wattage 325 watts for the UPS unit. To verify that the UPS unit’s maximum wattage is not exceeded, calculate the total power consumption of all units connected to the Advanced RPS. If the result is less than 325 watts, your conﬁguration is safe if the result is greater than 325 watts, then there are too many units connected to the Advanced RPS Page MAKING CONNECTIONS Table 3-1 Gigabit Ethernet Maximum Cable LengthsServers Power WorkgroupAggregating Connecting aAggregating SwitchesThe Hub 1000 SX does not support bandwidth aggregation trunking You can use the Hub 1000 SX downlinks to aggregate 10/100 MbpsFigure 3-3 Aggregated Switches Connection 3-4 CHAPTER 3 MAKING CONNECTIONSFigure 3-4 Mixed Connection ConnectingThe best use of the hub uplink is as a backbone connection to a 3Com Symptom Figure 3-6 Uplink Connection to a 10/100 Mbps SwitchTable 3-2 Troubleshooting Tips SolutionUSING THE CONSOLE PORT Requirements Connecting theWith Power Console PortTo connect the console port when the hub is disconnected from powerWith Power Connecting the Console Port A-3message, return the hub to the supplier Logging OnAfter 4 minutes of inactivity, the CLI logs off automatically Changing the PasswordPort Settings ConﬁguringTo display the Port Conﬁguration menu Configuring Port Settings Table A-2 Port Conﬁguration MenuA-8 APPENDIX A USING THE CONSOLE PORT Configuring Port Settings and be conﬁgured to receive pause frames Configuring Port Settings A-11 matrix, Y indicates yes and n indicates no. See Table A-3 DisplayingHub Status Table A-3 Hub Status InformationDisplaying Hub Status A-13 Restoring the Factory Default Settings A-14 APPENDIX A USING THE CONSOLE PORTentering option Updating theFirmware Image Checking theXmodem-CRC To transfer the ﬁrmware image ﬁle Logging Off during a ﬁrmware update, the CLI displays the following messagelog in again. To restart the ﬁle transfer, repeat steps 6 and Table A-5 Fatal Error Messages Table A-4 File Transfer Error MessagesWhile saving port settings or Physical Dimensions SPECIFICATIONSEnvironmental Operating Ranges Page TECHNICAL SUPPORT ServicesBoard Service Online Technical1 408 654 Access by Analog ModemAccess by Digital Modem C-2 APPENDIX C TECHNICAL SUPPORTLocal access numbers are available within the following countries Central European HQ Santa Clara, CaliforniaCzech Republic/Slovak 305 261 3266 Miami, FloridaTo obtain an RMA number, call or fax Page GLOSSARY cable is based on CSMA/CD Carrier Sense Multiple Access/Collision Carrier Sense Multiple Access/Collision Detection. Channel accessdelay their retransmissions for a random length of time access methodﬂow control IEEEincoming Mbpscontrol. See also asymmetric ﬂow control, ﬂow control, pause frame INDEX SymbolsNumbers Page Switch 9300 3-2, 3-3 Page HARDWARE 3Com Corporation LIMITED WARRANTYSTANDARD WARRANTY SERVICE SOFTWARELIMITATION OF LIABILITY FCC CLASS A VERIFICATION STATEMENTGOVERNING LAW