3Com S21x installation manual Target Application Environments

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Target Application Environments

Target Application Environments

Introduction

LAN and Legacy Protocol over Frame Relay

This section describes example applications for the PathBuilder S21x switch.

The PathBuilder S21x switch supports multiprotocol encapsulation of IP traffic and legacy serial protocols over frame relay as specified by RFC 1490. As shown in Figure 1-2, a SNA cluster controller connects to a serial port on the PathBuilder S21x switch and the Ethernet LAN connects to the 10BaseT Ethernet port. The PathBuilder S200 series switch is fully interoperable with third party routers via RFC 1490.

Ethernet

Ethernet

PB S200

Frame Relay

Third Party

Router

 

Cluster

Controller

Terminals

Third Party

Router

FEP

HOST

 

 

 

Figure 1-2. LAN and Legacy Protocol over Frame Relay

Video and Legacy

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As shown in Figure 1-3, the PathBuilder S21x switch can support encapsulation of

Protocols over

 

 

video and legacy protocol over frame relay. This use of PathBuilder S21x switch

Frame Relay -

 

 

suits banking applications such as Automated Bank Machines (ABMs). With Dial on

Banking

 

 

Demand software feature enabled, the PathBuilder S21x switch initiates a connection

Application

 

 

only when there is data transfer, i.e. only for the duration of a bank transaction. The

 

 

 

RemoteVu Daughtercard can capture video and send video streams to the central

 

 

 

bank’s security system.

 

 

 

 

 

 

 

 

 

Automated Teller Machine

Central Bank

 

 

 

 

 

 

 

 

PCs Running Host Video

 

 

 

 

 

 

 

 

Workstation Application

 

Bank ATM Equipped with

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RemoteVu

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Daughtercard

 

 

 

 

 

 

 

S200

 

Frame Relay

 

Video

Camera

FEP

HOST

Figure 1-3. LAN and Legacy Protocol over Frame Relay

1-6

About the PathBuilder S21x Switch

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Contents 3Com Corporation Restricted Rights Notification for U.S. Government Users Restricted Rights LegendProprietary Material Page About This Manual OverviewTrademarks Product Company/OrganizationAbout This Manual How to Use This Manual Chapter DescriptionsThis section Describes Documentation Related DocumentationOther PathBuilder S200Page Contents Contents Chapter CTP Port FeaturesStandard Features Dual DaughtercardDual FXS Voice Voice RelayDaughtercard RelayDIM Site RFC 877 ServiceFrame Relay RFCTarget Application Environments Security Monitoring Central Office At Branch Office Target Application Environments Installing the PathBuilder S21x Switch Hardware Overview Step To Perform This Action See This ProcedureChecking Your Shipment Contents Choosing a Site Proper Cable and Air Clearance Cabling the PathBuilder S21x Switch Port Characteristics Cable Requirements Port Connector Interface Cable Required SpeedPort DIM Interface Connector 10BaseT Ethernet CableSwitch Setting Front Panel Dip SwitchesSwitches Switch Down Posn NameInstalling Optional Daughtercards OptionalDaughtercards Battery Disposal Installing or Removing the Lithium BatteryBattery Type Routine BatteryCoversteps Step ActionInstalling Battery RemovingPowering on the PathBuilder S21x Switch Overview This chapter describesPowering On The PathBuilder S21x Switch SwitchPowerup Diagnostics Panel LEDsPower Up Stage When This indicatesSequence Accessing the Control Terminal Port Page Software SpecificationsHardware Environmental Electromagnetic CompatibilitySafety Power RequirementsPower Supply DescriptionAppendix B CTP Access Cable CTP Cable Connector PinoutRJ45 Pin Signal Pin Connection On DB25F Adapter Pin SpecificationVoice Relay Cable Name FunctionDual FXS Voice Relay Cable FXS10BaseT Crossover Cable Figure B-1. RJ45 PinoutCamera Interface Connector Pinout RemoteVu Video CablesPin Function Pin Signal Function DSU Daughtercard CableCable Pinout Pin Function/Signal Name 35/V.36 Cable35/V.36 DCE 35/V.36 DTE Cable Pin Function/Signal Name TXD TXD RXD RTS CTS DSR Cable Appendix C This AppendixWhile Setting Up Your Configuration CheckingConnection Must be set to Step Action Technical Support Access by Analog Modem Country Data Rate Telephone NumberSupport from 3ComCountry Telephone Number Returning Country Telephone Number Fax NumberIndex NumericsURL

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.