3Com 3C16987 manual You need only one SuperStack II Switch 3300 MM per stack

Page 27

Stacking Units

27

Figure 8 A stack of two units

Stacking Up To Four You can stack up to four Switch units using a Switch 3300 MM and the Units appropriate number of Matrix Cables.

You need only one SuperStack II Switch 3300 MM per stack.

To stack up to four Switch units:

1Power-off all the units.

2Arrange the units as required. They can be rack-mounted or free-standing; if you choose to have them free-standing, remember to position the rubber feet as detailed in “Placing Units On Top of Each Other” on page 25. When positioning the units, note that Matrix Cables are 1m (3.28ft) long.

3Connect the Matrix Cables, as shown in Figure 9:

a Connect a Matrix Cable to the port marked Unit 2 on the

Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the Switch placed immediately above the Switch 3300 MM.

b Connect a second Matrix Cable to the port marked Unit 3 on the Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the next Switch up.

c Connect a third Matrix Cable to the port marked Unit 4 on the Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the Switch at the top of the stack.

Image 27

Contents User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Support from 3Com Returning Products for Repair Page About this Guide Conventions Icon DescriptionConvention Description Documentation RelatedProduct YearCompliance CommentsIntroducing the Switch 3300 SM Summary of Features About SuperStack Switch 3300 SM10BASE-T / 100BASE-TX Ports Switch 3300 SM Front View DetailPower/Self Test LED Color Indicates Port Status LEDsUnit LEDs Power Socket Switch 3300 SM Rear View DetailUnits on Examples ConfigurationSwitch 3300 SM as a NetworkUsing the Switch as a collapsed backbone SwitchSwitch Fast Ethernet configuration rules Configuration Rules with Full Duplex Configuration Rules for Gigabit Ethernet Installing the Switch Rack-mounting Fitting a bracket for rack mounting Repeat steps 2 and 3 for the other side of the SwitchStacking Units Treated as a single manageable unit with one IP address3C16965. Contact your supplier for details You need only one SuperStack II Switch 3300 MM per stack Stack of three units Sequence Power-upPowered-up and ready for operation Switch 3300 SMColor State ChoosingCorrect Cables Port, you need a cross-overcable. Most of the 10BASE-TProblem Guide SwitchNetwork. For information on managing the Switch using ManagingSafety Information Important Safety InformationPersonnel only Important Safety Information Plus étroites ’information deSécurité Importante Personnel qualifié’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Pin to RS-232 25-pin PIN-OUTSNull Modem Cable PC-AT Serial CableRJ45 Pin ConnectorsPin Number Signal Function Modem CablePin Number Signal Function Appendix B PIN-OUTS Technical Specifications Vlan MIB RFC Online Technical ServicesServices Technical Support408 727 Username anonymousCountry Telephone Number Asia, Pacific Rim Europe, South Africa, and Middle EastCountry Telephone Number Fax Number Glossary Ethernet BroadcastCollision EndstationLine speed See baud Repeater LoopMulticast ProtocolSTP See Spanning Tree Protocol STP Glossary Index Index 3Com Corporation Limited Warranty Included Services Limitation of Liability EMC Statements