3Com 3CNJ90 manual User Guide NJ90 Network Jack

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User Guide

NJ90 Network Jack

3CNJ90

4-port 10/100 Mbps Unmanaged Ethernet Switch

http://www.3com.com/

http://www.3com.com/productreg

150000038600A R01 Published February 2003

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Contents NJ90 Network Jack Page User Guide NJ90 Network Jack United States Government Legend Table of Contents Page NJ90 User Guide NJ90 Package ContentsNJ90 Description NJ90 Feature DescriptionInstall the NJ90 Network Jack NJ90 InstallationLED Description Set up the power supplyAppendix a NJ90 Specifications HardwareNetwork Interface Standards Conformance FeaturesPerformance EnvironmentAppendix B Wall Outlet Dimensions Using an Integrated Switch with Power over Ethernet Appendix C Setting up the Power SupplyUsing a Single-port Ethernet Power Supply Using a Multi-port Ethernet Power SupplyUsing the 3Com Local Power Supply Component Purpose Installation InstructionsAppendix D Setting up the Network Cabling at Your Site Appendix E Troubleshooting the NJ90 Day Free Installation Support Online Technical ServicesAppendix F Contacting Technical Support Support from Your Network Supplier Support from 3ComReturning Products for Repair Installation Guide Limited Warranty Installation Guide Limited Warranty Page Page 3Com Corporation