Nortel Networks 70 Series manual Audience, Hard-Copy Technical Manuals

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Installation and Reference for the BayStack 70 Series 10/100 Ethernet Switches

Audience

This guide is intended for Ethernet local area network (LAN) administrators with the following background:

Working knowledge of PC terminology and operation

Working knowledge of 10BASE-T (Ethernet) and 100BASE-TX (Fast Ethernet) operations

• Nortel Networks network experience

Hard-Copy Technical Manuals

You can print selected technical manuals and release notes free, directly from the Internet. Go to support.baynetworks.com/library/tpubs/. Find the product for which you need documentation. Then locate the specific category and model or version for your hardware or software product. Using Adobe Acrobat Reader, you can open the manuals and release notes, search for the sections you need, and print them on most standard printers. You can download Acrobat Reader free from the Adobe Systems Web site, www.adobe.com.

You can purchase selected documentation sets, CDs, and technical publications through the collateral catalog. The catalog is located on the World Wide Web at support.baynetworks.com/catalog.html and is divided into sections arranged alphabetically:

The “CD ROMs” section lists available CDs.

The “Guides/Books” section lists books on technical topics.

The “Technical Manuals” section lists available printed documentation sets.

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Contents Installation and Reference for Copyright 1999 Nortel Networks Iii Restricted Rights Legend Statement of ConditionsNortel Networks NA Inc. Software License Agreement 206375-A Contents Chapter Troubleshooting Figures 206375-A Tables Xii Preface PurposeAudience Hard-Copy Technical ManualsHow to Get Help Technical Solutions Center Telephone NumberPage BayStack 70 Series 10/100 Ethernet Switches Overview Chapter IntroductionPhysical Description Front PanelFront Panel of the BayStack 70-8T 10/100 Ethernet Switch RJ-45 10BASE-T/100BASE-TX Ethernet Ports LEDs Description of Switch and Port Status LEDs Type Label Color Activity DescriptionRear Panel of the BayStack 70-24T 10/100 Ethernet Switch DC Power Adapter Model MAC Addresses in Information Table FeaturesMAC Address Quantities Buffer Sizes Model Buffer SizeExternal Power Adapters Model External Power AdapterPage Chapter Network Configuration Benefits of Using Switching TechnologyTypes of Ethernet Switches Desktop Switching BeforeSegment Switching Before After Extending a Network Bridging from 10BASE-T to 100BASE-TX Networks Bridging 10 Mb/s Networks to 100 Mb/s NetworksPower Workgroups Power Workgroup ConnectionsChapter Installation Package ContentsPower Specifications Operating EnvironmentInstalling the Switch Set the switch on a desktop or any other flat surfaceAttach any additional devices to the ports in your switch Connecting Devices to the Switch Installing the Switch in a RackConnecting Power Verifying Installation Checking the Diagnostic Displays BayStack 70-24T 10/100 Ethernet Switch LED DisplayDescription of Switch and Port Status LEDs Page Chapter Troubleshooting Using the LED DisplayPage Table A-1 Technical Specifications Appendix a Technical SpecificationsProduct Specifications Electromagnetic Emissions Physical SpecificationsEnvironmental Specifications Electromagnetic Susceptibility Safety Agency ApprovalsPerformance Specifications Page 10BASE-T/100BASE-TX UTP Cable Appendix B Cables and ConnectorsTable B-1 RJ-45 Connector Pin Assignments RJ-45Straight-Through and Crossover Cables Figure B-1. Straight-Through Twisted-Pair CableIndex NumbersIndex-2