HP NC3120 Introduction, Overview, Hardware Overview

Chapter 1

For the latest functionality, features, and operating system support for the NC3120 Server Adapter, see the networking page at

compaq.com

The NC3120 Server Adapter has three diagnostic LED indicators that show if there is a problem with the connector, cable, or hub.

Figure 1-1. Compaq NC3120 Server Adapter

Contents

NC3120 Fast Ethernet Server Adapter Notice Contents Specifications About This Guide Symbols in Text Compaq Technician Notes Where to Go for Additional Help Compaq Customer Support North America Europe, the Middle East, and Africa Worldwide Access Introduction Overview Hardware Overview Table LED Operations for the NC3120 Server Adapter Installing the Adapter Electrostatic Discharge Precautions Installing the Adapter in a Server Connecting the Network Cable Regulatory Compliance Notices Federal Communications Commission Notice Canadian Notice European Union Notice China Taiwan Notice Japanese Notice Electrostatic Discharge Grounding Methods Specifications NC3120 Fast Ethernet Server Adapter Specifications Table C-1 NC3120 Fast Ethernet Server Adapter Specifications UTP Cable Specifications RJ-45Pinouts and Crossover Function Table C-2 10/100 Pinouts Using Internal, Straight-ThroughCrossover Table C-3 10/100 Pinouts Using External Crossover