Nortel Networks 70 Series manual Preface, Purpose

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Preface

Congratulations on your purchase of a BayStack 70-8T 10/100 Ethernet Switch, BayStack 70-16T 10/100 Ethernet Switch, or BayStack 70-24T 10/100 Ethernet Switch. These switches provide eight, 16, or 24 ports, respectively. Switches in the BayStack70 Series provide you with low-cost network solutions and let you easily upgrade your existing 10 megabit per second (Mb/s) Ethernet network to 100 Mb/s Fast Ethernet. The BayStack 70-8T 10/100 Ethernet Switch and BayStack 70-16T 10/100 Ethernet Switch are designed for use as desktop or workgroup switches. The BayStack 70-24T 10/100 Ethernet Switch can be used as a desktop switch as well, but it also operates as a segment switch when installed in a wiring closet.

A BayStack 70 Series 10/100 Ethernet Switch is easy to use and maintain, and it provides seamless plug-and-play installation into your network. All BayStack 70 Series 10/100 Ethernet Switch models are designed to support workgroups operating at 10 Mb/s and/or 100 Mb/s.

In this guide, the BayStack 70-8T 10/100 Ethernet Switch, BayStack 70-16T 10/ 100 Ethernet Switch, and BayStack 70-24T 10/100 Ethernet Switch are referred to collectively as the BayStack 70 Series 10/100 Ethernet Switch. Each model is referred to specifically when features and functions are unique to that particular model.

Purpose

This guide provides information about using the features and capabilities of the BayStack 70 Series 10/100 Ethernet Switch.

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Contents Installation and Reference for Copyright 1999 Nortel Networks Iii Statement of Conditions Restricted Rights LegendNortel Networks NA Inc. Software License Agreement 206375-A Contents Chapter Troubleshooting Figures 206375-A Tables Xii Purpose PrefaceHard-Copy Technical Manuals AudienceTechnical Solutions Center Telephone Number How to Get HelpPage Chapter Introduction BayStack 70 Series 10/100 Ethernet Switches OverviewFront Panel Physical DescriptionFront Panel of the BayStack 70-8T 10/100 Ethernet Switch RJ-45 10BASE-T/100BASE-TX Ethernet Ports LEDs Type Label Color Activity Description Description of Switch and Port Status LEDsRear Panel of the BayStack 70-24T 10/100 Ethernet Switch DC Power Adapter MAC Address Quantities FeaturesModel MAC Addresses in Information Table Model Buffer Size Buffer SizesModel External Power Adapter External Power AdaptersPage Benefits of Using Switching Technology Chapter Network ConfigurationTypes of Ethernet Switches Before Desktop SwitchingSegment Switching Before After Extending a Network Bridging 10 Mb/s Networks to 100 Mb/s Networks Bridging from 10BASE-T to 100BASE-TX NetworksPower Workgroup Connections Power WorkgroupsPackage Contents Chapter InstallationOperating Environment Power SpecificationsSet the switch on a desktop or any other flat surface Installing the SwitchAttach any additional devices to the ports in your switch Installing the Switch in a Rack Connecting Devices to the SwitchConnecting Power Verifying Installation BayStack 70-24T 10/100 Ethernet Switch LED Display Checking the Diagnostic DisplaysDescription of Switch and Port Status LEDs Page Using the LED Display Chapter TroubleshootingPage Product Specifications Appendix a Technical SpecificationsTable A-1 Technical Specifications Environmental Specifications Physical SpecificationsElectromagnetic Emissions Performance Specifications Safety Agency ApprovalsElectromagnetic Susceptibility Page Table B-1 RJ-45 Connector Pin Assignments Appendix B Cables and Connectors10BASE-T/100BASE-TX UTP Cable RJ-45Figure B-1. Straight-Through Twisted-Pair Cable Straight-Through and Crossover CablesNumbers IndexIndex-2