Chapter 1: Introduction

This manual explains the following:

Installing the NBR

Connecting the NBR to an existing network

Testing the NBR

Troubleshooting any installation/operational problems

In addition, Appendices contain NBR and Ethernet Port Interface Module (EPIM) environmental and operational specifications.

This manual serves as a simple installation and troubleshooting reference guide for the NBR. For information regarding NBR out-of-band management, refer to the NBR-220,NBR-420, and NBR-620 Local Management Guide.

To gain a full understanding of this device and its capabilities, and to help eliminate any potential problems during or after installation, please be sure to read and understand all of the instructions/information in this document and in the release notes supplied with your NBR.

1.1 USING THIS MANUAL

You should have a general working knowledge of Ethernet or IEEE 802.3 type data networks and their physical layer components, prior to installing the NBR. The following summarizes the organization of this manual.

Chapter 1, Introduction, provides instructions for using this manual, product features, document conventions, related documents, and how to get help.

Chapter 2, Controls and Indicators, discusses the controls and indicators for the NBR.

Chapter 3, Installation, provides instructions required to unpack the NBR, perform pre-installation testing, install the NBR, and connect the NBR to the network.

Chapter 4, Troubleshooting, provides detailed troubleshooting procedures for the NBR and a checklist to enable the user to troubleshoot problems using LANVIEW LEDs.

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NBR-SERIES Installation Guide

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Cabletron Systems NBR-220, NBR-420, NBR-620 manual Using this Manual

NBR-620, NBR-220, NBR-420 specifications

Cabletron Systems, a well-known name in the networking field, has designed a range of network interface devices including the NBR-620, NBR-220, and NBR-420 models. These devices have become essential components for businesses looking to enhance their network performance and reliability.

The NBR-620, for instance, is a high-performance network bridge/router that specializes in managing network traffic efficiently. It offers a robust set of features such as multiple Ethernet ports, which can support various data rates, including 10/100/1000 Mbps, making it ideal for both small and large enterprises. The NBR-620 supports advanced routing protocols like OSPF and RIP, which optimize data path selection and ensure effective communication across different network segments. Moreover, its built-in firewall capabilities provide an additional layer of security, safeguarding sensitive data from potential threats and unauthorized access.

The NBR-220, on the other hand, is designed for cost-effective solutions without compromising on essential functionalities. This device supports simple plug-and-play installation, making it user-friendly for organizations that may not have an extensive IT infrastructure. The NBR-220 includes features such as VLAN support, allowing for network segmentation and increased security. Its scalability means that it can grow alongside an organization's needs, accommodating future expansions efficiently. The device's ability to support multiple network topologies ensures versatility in deployment, catering to various business requirements.

Finally, the NBR-420 is a versatile networking solution that combines the best elements of the previous models but with enhanced features suitable for demanding enterprise environments. It includes advanced quality of service (QoS) capabilities, ensuring that critical applications receive the bandwidth they require for optimal performance. With support for IPv6, the NBR-420 prepares businesses for the future of networking as the world transitions more towards this next-generation internet protocol. Additionally, its built-in diagnostics tools facilitate easy monitoring and management of network performance.

In summary, Cabletron Systems' NBR-620, NBR-220, and NBR-420 offer diverse solutions tailored for modern networking needs. Each model encompasses unique features and technologies that cater to various business sizes and requirements, focusing on performance, scalability, and security. As businesses continue to evolve in a digital-first world, these devices play a crucial role in facilitating seamless network operations.