3Com 3CNJ90 2. NJ90 Description

Installation Guide

2. NJ90 Description

The following diagram shows the front view and the rear view of the

NJ90 (see descriptions below)

Figure 1 - NJ90 Feature Description

1 Four Switching Ports Allow up to four devices to be

connected to the network.

2 LED’s Indicates network connection

and activity status.

Indicates NJ90 power status.

3 Uplink Port Connects NJ90 to the Network cable

4 Hook Secure the Coupler Cable with a tie-

wrap

5 Power socket NJ90 can be powered from a local

power supply (available for purchase

separately from 3Com)

6 St rain Relief Channel Strain Relief Channel for the Local

Power Cord

Contents

Main Page Page Page Table of Contents Contents Appendix List of Illustrations Page NJ90 User Guide 1. NJ90 Package Contents - Single Pack & Multi Pack 2. NJ90 Description 3. NJ90 Installation 3.1 - Install the NJ90 Network Jack 4 3.2 - Set up the power supply : LED Description Appendix A: NJ90 Specifications Hardware Network Interface Page Appendix B: Wall Outlet Dimensions 8 Appendix C: Setting up the Power Supply 1) Using an Integrated Switch with Power over Ethernet 2) Using a Multi-port Ethernet Power Supply 3) Using a Single-port Ethernet Power Supply 10 4) Using the 3Com Local Power Supply Installation Instructions: Component Purpose 3C Number(s) Appendix D: Setting up the Network Cabling at Your Site Commercial Building Telecommunications Cabling Standard Commercial Building Standard for Telecom- munications Pathways and Spaces Appendix E: Troubleshooting the NJ90 14 Appendix F: Contacting Technical Support 90 Day Free Installation Support Online Technical Services Support from Your Network Supplier Support from 3Com Returning Products for Repair Page 3Com Corporation LIMITED WARRANTY