3Com 3C16987 manual Important Safety Information

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Important Safety Information

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■France and Peru only:

This unit cannot be powered from IT† supplies. If your supplies are of IT type, this unit must be powered by 230V (2P+T) via an isolation transformer ratio 1:1, with the secondary connection point labelled Neutral, connected directly to earth (ground).

†Impédance à la terre.

■U.K. only:

The Switch 3300 SM is covered by Oftel General Approval, NS/G/12345/J/100003, for indirect connection to a public telecommunications system. This can only be achieved using the console port on the unit and an approved modem.

■Sockets for Redundant Power System (RPS):

Only connect an Advanced Redundant Power System (3C16071A) with Type 2 Power Modules and Type 2 cables to the Redundant Power System socket.

WARNING: RJ-45 Ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect RJ-45 data connectors to these sockets.

Either shielded or unshielded data cables with shielded or unshielded jacks can be connected to these data sockets.

WARNING: Fiber Optic ports - Optical Safety.

Never look at the transmit laser through a magnifying device while it is powered on. Never look directly at the fiber port and fiber cable ends when they are powered on.

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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 Convention Description ConventionsIcon 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 DetailUnit LEDs Power/Self Test LEDColor Indicates Port Status 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 Switch3C16965. Contact your supplier for details Stacking UnitsTreated as a single manageable unit with one IP address 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 Personnel only Important SafetyInformation 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