ABOUT THIS GUIDE

This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of LANs (Local Area Networks) and Internet gateway systems.

If a release note is shipped with this OfficeConnect Cable/DSL Secure Gateway and contains information that differs from the information in this guide, follow the information in the release note.

Most user guides and release notes are available in Adobe Acro- bat Reader Portable Document Format (PDF) on the 3Com World Wide Web site:

http://www.3com.com

Naming Convention

Throughout this guide, the OfficeConnect Cable/DSL Secure Gateway is referred to as the Gateway.

Category 3 and Category 5 Twisted Pair Cables are referred to as Twisted Pair Cables throughout this guide.

Conventions

Table 1 and Table 2 list conventions that are used throughout this guide.

Table 1 Notice Icons

Icon

Notice Type

Description

 

 

 

 

Information note

Information that describes important

 

 

features or instructions

 

Caution

Information that alerts you to potential

 

 

loss of data or potential damage to an

 

 

application, system, or device

 

Warning

Information that alerts you to potential

 

 

personal injury

 

 

 

Table 2 Text Conventions

Convention

Description

 

 

The words “enter”

When you see the word “enter” in this guide, you

and “type”

must type something, and then press Return or Enter.

 

Do not press Return or Enter when an instruction

 

simply says “type.”

 

 

Keyboard key

If you must press two or more keys simultaneously,

names

the key names are linked with a plus sign (+).

 

Example:

 

Press Ctrl+Alt+Del

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3Com 3CR856-95 manual About this Guide, Naming Convention, Conventions, Icon Description, Convention Description

3CR856-95 specifications

The 3Com 3CR856-95 is a versatile networking device designed to meet the demands of small to medium-sized businesses. As a part of the 3Com OfficeConnect series, the 3CR856-95 combines switching, routing, and security features into a compact, integrated solution that enhances network performance and reliability.

One of the main features of the 3CR856-95 is its ability to support multiple network configurations. It operates as a router and switch simultaneously, offering six Ethernet ports for wired connections, while also integrating wireless capabilities. This allows businesses to connect various devices seamlessly, including computers, printers, and smartphones, providing flexibility and convenience in a modern office environment.

The device incorporates advanced technologies such as Quality of Service (QoS) which prioritizes network traffic to ensure that bandwidth-intensive applications like video conferencing and VoIP run smoothly. This feature is essential for maintaining productivity and communication efficiency in busy office settings. Additionally, the 3CR856-95 supports both IPv4 and IPv6 protocols, making it a future-proof solution as businesses transition to the newer Internet Protocol standard.

Security is a critical consideration for any networking equipment, and the 3CR856-95 addresses this with robust measures. It includes a built-in firewall that protects the network from external threats, along with support for Virtual Private Networks (VPN), allowing secure remote access for employees working from off-site locations. Furthermore, the device supports WPA2 encryption for wireless connections, safeguarding sensitive data transmitted over the network.

Another important characteristic of the 3CR856-95 is its user-friendly interface, which simplifies the setup and management of the network. The device features a web-based management console that allows network administrators to easily configure settings, monitor traffic, and troubleshoot issues from any internet-connected device. This accessibility saves time and reduces the complexity often associated with network management.

In summary, the 3Com 3CR856-95 is a robust and feature-rich networking solution tailored for small to medium-sized businesses. With its combination of switching, routing, and security features, it provides a reliable platform for facilitating seamless communication and connectivity. Its support for advanced technologies and user-friendly management interface makes it a smart choice for organizations looking to enhance their network infrastructure.