3Com 3C16986A, 3C16988A, 3C16987A, 3C16985B manual Stack of two units

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30CHAPTER 2: INSTALLING THE SWITCH

Figure 12 A stack of two units

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

Only one SuperStack 3 Switch 3300 MM unit can be fitted 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 28. When positioning the units, note that Matrix Cables are 1m (3.28ft) long.

3Connect the Matrix Cables, as shown in Figure 13:

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.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents PIN-OUTS Glossary Index Regulatory Notices Page About this Guide Conventions List conventions that are used throughout this guideRelated DocumentationComments ProductRegistration 3300 XM, SM, TM, MM Introducing the Switch 3300 XM, SM, TM, MM Switch Front View Detail 1000BASE-SXIntroducing the Switch 3300 XM, SM, TM, MM LED behavior Switch Rear View Detail Unit Information LabelSwitch Rear View Detail Configuration NetworkExamples Using the Switch as a collapsed backbone Using the Switch in a desktop environment Fast Ethernet configuration rules Introducing the Switch 3300 XM, SM, TM, MM Configuration Rules for Gigabit Ethernet SM and TM Gigabit Ethernet cablingIntroducing the Switch 3300 XM, SM, TM, MM Installing the Switch Installing the Switch Repeat steps 2 and 3 for the other side of the Switch Rack-mountingConnect network cabling Installing the Switch Treated as a single manageable unit with one IP address Using Matrix CablesStacking Units Part number 3C16965. Contact your supplier for detailsStack of two units Stack of three units Power-up TM or MM powered-up and ready for operationSequence Choosing Managing SwitchNetwork. For information on managing the Switch using GuideSafety Information Important Safety InformationImportant Safety Information ’information de Sécurité Importante’information de Sécurité Importante Wichtige Sicherheitsinformat ionen Warnhinweis Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information Pin to RS-232 25-pin Null Modem CablePC-AT Serial Cable Pin to 9-pinRJ45 Pin ConnectorsModem Cable AssignmentsPin Number Signal Function Appendix B PIN-OUTS Technical Specifications Switch 3300 XM, SM and MMSwitch 3300 TM SnmpVlan MIB RFC Appendix C Technical Specifications Services Online TechnicalUsername anonymous Asia, Pacific Rim Country Telephone Number Fax Number Glossary Unauthorized access to a network or network devices Can be due to faulty network devicesProcess of sending a packet toward its destination using a Process is known as filteringLine speed See baud Glossary STP See Spanning Tree Protocol STP Glossary Index Index Regulatory Notices
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