3Com S21x installation manual Front Panel Dip Switches, Switch Setting, Switch Down Posn Name

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Front Panel Dip Switches

Front Panel Dip Switches

Introduction

This section describes the front panel dip switches on the PathBuilder S21x switch.

Front Panel

 

Figure 2-4illustrates the switches found behind the front panel of the PathBuilder

Switches

S21x switch.

Control Port Switch

 

Defaults Port 3 to 9600 bps 8N1.

 

 

PORT

 

 

TM

--

4

LAN

4

3

2

1

DIAG.

 

 

 

POWER STATUS

 

 

 

Port

3 3

 

NODE

TEST

 

DATA OUT

 

 

 

 

RESET

 

 

 

 

 

 

 

 

 

 

WATCHDOG

 

DATA IN

 

RI

MB

 

 

 

 

 

 

 

 

Default Node

To reset all configurable parameters, put switch in up position and Power Cycle (or Reset), then put switch in down position and Power Cycle (or Restart) again.

1 2 3 4 5 6

Figure 2-4. PathBuilder S21x Switch Front Panel Switches

Front Panel DIP The six DIP switches on the front panel are defined as follows:

Switch Setting

Switch

Switch

Down

Up

Posn.

Name

 

 

 

 

 

 

1

RI/TM

Pin 22 - Ring Indicator

DCE Test Mode Input

 

 

 

 

2

MB/TM

Pin 22 - Make Busy

DTE Test Mode Input

 

 

 

 

3

N/A

N/A

N/A

 

 

 

 

4

CTP-Port 4

Normal operation

Configure Port 4 as PAD

 

 

 

port

 

 

 

 

5

DIAG

Normal operation

Execute diagnostics

 

 

 

 

6

DFLT-NODE

Normal operation

Reset CMEM

 

 

 

configuration

 

 

 

 

 

 

 

 

2-10

Installing the PathBuilder S21x Switch Hardware

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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.