3Com Powering on the PathBuilder S21x Switch Overview, This chapter describes

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Chapter 3

Powering on the PathBuilder S21x Switch

Overview

Introduction

This chapter describes

powering up the PathBuilder S21x switch

interpreting LED display for power up diagnostics

accessing the CTP

Powering on the PathBuilder S21x Switch

3-1

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Contents 3Com Corporation Restricted Rights Legend Restricted Rights Notification for U.S. Government UsersProprietary Material Page Overview About This ManualProduct Company/Organization TrademarksAbout This Manual How to Use This Manual This section Describes ChapterDescriptions PathBuilder S200 Related DocumentationOther DocumentationPage Contents Contents Chapter Dual Daughtercard FeaturesStandard Features CTP PortRelay Voice RelayDaughtercard Dual FXS VoiceDIM Site RFC ServiceFrame Relay RFC 877Target Application Environments Security Monitoring Central Office At Branch Office Target Application Environments Step To Perform This Action See This Procedure Installing the PathBuilder S21x Switch Hardware OverviewChecking Your Shipment Contents Choosing a Site Proper Cable and Air Clearance Cabling the PathBuilder S21x Switch Port Port Characteristics Cable RequirementsPort Connector Interface Cable Required Speed DIM 10BaseT Ethernet Cable Interface ConnectorSwitch Down Posn Name Front Panel Dip SwitchesSwitches Switch SettingDaughtercards Installing Optional DaughtercardsOptional Routine Battery Installing or Removing the Lithium BatteryBattery Type Battery DisposalStep Action CoverstepsRemoving Installing BatteryThis chapter describes Powering on the PathBuilder S21x Switch OverviewSwitch Powering On The PathBuilder S21x SwitchPanel LEDs Powerup DiagnosticsSequence Power UpStage When This indicates Accessing the Control Terminal Port Page Environmental Electromagnetic Compatibility SpecificationsHardware SoftwareDescription Power RequirementsPower Supply SafetyAppendix B RJ45 Pin Signal Pin Connection On DB25F Adapter CTP Access CableCTP Cable Connector Pinout Name Function SpecificationVoice Relay Cable PinFXS Dual FXS Voice Relay CableFigure B-1. RJ45 Pinout 10BaseT Crossover CablePin Function Camera Interface Connector PinoutRemoteVu Video Cables Cable Pinout Pin Signal FunctionDSU Daughtercard Cable 35/V.36 DCE Pin Function/Signal Name35/V.36 Cable 35/V.36 DTE Cable Pin Function/Signal Name TXD TXD RXD RTS CTS DSR Cable This Appendix Appendix CConnection While Setting Up Your ConfigurationChecking Must be set to Step Action Technical Support Country Data Rate Telephone Number Access by Analog ModemCountry Telephone Number Support from3Com Country Telephone Number Fax Number ReturningNumerics IndexURL

S21x specifications

The 3Com S21x series represents a breakthrough in networking technology, specifically designed for small to medium-sized businesses looking for reliable and efficient networking solutions. This series is renowned for its robust features, which enhance connectivity while simplifying management, making it a go-to choice for organizations striving to optimize their network infrastructures.

One of the standout features of the 3Com S21x is its impressive port capacity. With multiple Ethernet ports, the switch facilitates seamless connections for various devices, ensuring that businesses can scale their operations without worrying about bandwidth limitations. The S21x supports both Fast Ethernet and Gigabit Ethernet connections, providing flexibility for different networking demands.

In addition to its port capabilities, the 3Com S21x incorporates advanced Power over Ethernet (PoE) technology. This feature enables the switch to deliver power to connected devices such as IP cameras, VoIP phones, and wireless access points directly through the network cable. This not only reduces the need for external power sources but also simplifies installation and lowers overall costs.

Another significant characteristic of the S21x is its Layer 2 switching capabilities. This means the device is equipped to handle basic data switching tasks efficiently, including VLAN support for network segmentation and traffic management. VLANs enhance security by isolating sensitive data traffic within specific segments, providing an additional layer of protection for network resources.

The 3Com S21x is also designed with ease of management in mind. It utilizes a user-friendly web-based interface that allows IT staff to configure and monitor the switch effortlessly. This accessibility ensures that even those with minimal networking experience can manage the device effectively, reducing the likelihood of configuration errors and downtime.

Furthermore, the S21x series is built with reliability at its core. The hardware is designed to withstand typical operating conditions in an office environment, minimizing the risk of failure and ensuring consistent performance. Coupled with a focus on energy efficiency, this series helps businesses reduce their operational costs while maintaining a green footprint.

In summary, the 3Com S21x series stands out in networking solutions for small to medium-sized enterprises, featuring a robust combination of port capacity, PoE support, Layer 2 functionality, easy management, and reliability. Organizations looking to enhance their network performance will find the S21x to be an invaluable asset, capable of growing with their needs while ensuring efficient and secure connections.