Installation and Reference for | Nortel Networks 70 Series instruction

Part No. 206375-A

June 1999

4401 Great America Parkway

Santa Clara, CA 95054

Installation and Reference for

*206375the BayStack-A*70 Series 10/100

Ethernet Switches

Image 1

Nortel Networks 70 Series manual Installation and Reference for

Contents

Installation and Reference for Copyright 1999 Nortel Networks Iii Statement of Conditions Restricted Rights Legend Nortel Networks NA Inc. Software License Agreement 206375-A Contents Chapter Troubleshooting Figures 206375-A Tables Xii Purpose Preface Hard-Copy Technical Manuals Audience Technical Solutions Center Telephone Number How to Get HelpPage Chapter Introduction BayStack 70 Series 10/100 Ethernet Switches Overview Front Panel Physical Description Front 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 LEDs Rear 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 Sizes Model External Power Adapter External Power AdaptersPage Benefits of Using Switching Technology Chapter Network Configuration Types of Ethernet Switches Before Desktop Switching Segment Switching Before After Extending a Network Bridging 10 Mb/s Networks to 100 Mb/s Networks Bridging from 10BASE-T to 100BASE-TX Networks Power Workgroup Connections Power Workgroups Package Contents Chapter Installation Operating Environment Power Specifications Set the switch on a desktop or any other flat surface Installing the Switch Attach any additional devices to the ports in your switch Installing the Switch in a Rack Connecting Devices to the Switch Connecting Power Verifying Installation BayStack 70-24T 10/100 Ethernet Switch LED Display Checking the Diagnostic Displays Description 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-45 Figure B-1. Straight-Through Twisted-Pair Cable Straight-Through and Crossover Cables Numbers Index Index-2