3Com 3C17204, 3C172203 manual Pin Number Signal Function

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RJ-45 Pin Assignments 59

Table 12 Pin assignments

Pin Number

Signal

Function

 

 

Ports configured as MDIX

 

1

Receive Data +

Bidirectional Data B+

2

Receive Data -

Bidirectional Data B-

3

Transmit Data +

Bidirectional Data A+

4

Not assigned

Bidirectional Data A-

5

Not assigned

Bidirectional Data D+

6

Transmit Data

Bidirectional Data D-

7

Not assigned

Bidirectional Data C+

8

Not assigned

Bidirectional Data C-

 

 

 

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Contents 3C17203 3C17204 SuperStack3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting Up Command Line Interface Management Setting UP for ManagementNull Modem Cable PC-AT Serial Cable RJ-45 Pin Assignments Switch PortOnline Technical Services World Wide Web Site PIN -OUTSPage About this Guide Icon Description ConventionsList conventions that are used throughout this guide Text ConventionsDocumentation RelatedPddtechpubscomments@3com.com ProductRegistration Documentation CommentsIntroducing Hardware features Hardware Features SwitchEvent Software featuresFour groups supported Statistics, History, Alarms Front View Detail SwitchModule Status LEDs Color Indicates Port Status LEDsModule Packet LEDs Unit LEDs Power/Self Test LEDColor Indicates View Detail To your Switch. Contact your supplier for more informationSwitch 4400 Rear Switch 4400 rear view Default Settings shows the default settings for the Switch Installing the Switch Package Contents Rack-mounting Stacking Units Placing Units OnTop of Each Other Sequence Power-upPowering-up SwitchColor State Power/Self Test LED colorsCross-over Cable Straight-through Cable Installing the Switch Setting UP for Management Overview Setting UpIP Configuration Manual IP ConfigurationAutomatic IP Configuration Manual Setup Automatic Setup Initial Switch Setup MethodsPre-requisites Manual SetupConnecting the Workstation to the Switch Panel PortSetting Up the Switch with IP Information Configuring the Workstation with IP InformationConnecting a workstation to the Switch via the console port Setting Up the Switch with IP Information Manual Setup Documentation supplied with the terminal emulation software Automatic Setup Viewing IP Information via the Console Port Example top-level command line interface menuCLI management via the console port Refer to Setting Up Command Line Interface Management onRefer to Setting Up Snmp Management on Refer to Setting Up Web Interface Management onCLI Management via Command LineNetwork Using Telnet Interface ManagementOver the Network Setting Up WebInterface Choosing a BrowserDocumentation supplied with the Snmp network management Setting Up SnmpManagement Protocol Snmp can manage a Switch if Management workstationSecurity Device User Modify operation on the web interface You can change the default passwords using eitherUser Default Access Level Name Password For Technical Support information, see Appendix D Problem SolvingOn powering-up, the Power/Self Test LED lights yellow Solving ProblemsSolutions below Power LED does not lightAn Snmp fan fail trap is received ProblemsSolving Hardware Unit LED is flashing greenIP Addressing Solving Communication ProblemsHow do you obtain a registered IP Address? Problem Solving Safety Information This must be approved for the country where it is used Important Safety Information’information de Sécurité Importante Schko Wichtige Sicherheitsinformationen Vorsicht Europe Pin to 9-pin PC-AT Serial CableNull Modem Cable 9-pin to RS-232 25-pin Assignments ConnectorsModem Cable RJ-45 PinPin Number Signal Function Appendix B PIN-OUTS Switch 4400 24-port Technical Specifications Switch 4400 24-portTerminal Emulation Protocols Used for AdministrationStandards Supported Switch 4400 48-port Technical Specifications Switch 4400 48-portAppendix C Technical Specifications Online Technical ServicesUsername anonymous Europe and South Africa Asia, Pacific RimCountry Telephone Number Fax Number NET 3Com 408 326 800 638 Not toll-free Enterprise Customers Appendix D Technical Support Numbers IndexUnit information label Regulatory Notices

3C17204, 3C172203 specifications

The 3Com 3C172203 and 3C17204 are part of the 3Com series of networking products that have made significant contributions to local area networks (LANs) and enterprise connectivity. While they may not be as widely recognized today as newer technologies, their features, technologies, and characteristics played an essential role in enhancing network performance and reliability during their peak usage.

One of the defining features of the 3Com 3C172203 and 3C17204 is their support for Ethernet networking, which was pivotal in establishing fast and reliable communication between devices on a network. These products typically supported both 10Base-T and 100Base-TX standards, providing a flexible transition from older networks to faster Ethernet speeds. This backward compatibility ensured that organizations could upgrade their networks incrementally without needing a complete overhaul, thereby preserving their existing investments in infrastructure.

Both models also supported features designed to optimize network performance and provide enhanced management capabilities. For instance, built-in diagnostic features enabled network administrators to troubleshoot connection issues more effectively, thereby reducing downtime. Additionally, these devices incorporated intelligent switching capabilities that could manage data flow efficiently, prioritizing traffic and optimizing available bandwidth to ensure a smooth user experience, even under heavy load.

In terms of physical design, the 3C172203 and 3C17204 were built with a focus on durability. These units often featured robust metal enclosures suitable for various environments, from office spaces to more demanding industrial settings. Furthermore, their compact design allowed for easy integration into existing network setups without requiring significant rack space, making them an attractive option for enterprises looking to maximize their networking capabilities.

Security features were also a consideration in the design of these networking devices. They implemented basic security protocols to safeguard the integrity of data transmitted across the network, ensuring that unauthorized access was minimized and overall network security was enhanced.

In conclusion, the 3Com 3C172203 and 3C17204 represent an era of networking technology characterized by their support for Ethernet standards, intelligent switching capabilities, robust design, and essential management features. These products were integral in facilitating the growth of LANs and laid the groundwork for the advanced networking solutions that followed in the years ahead. While newer technologies have emerged since then, the fundamental principles established by devices like the 3C172203 and 3C17204 continue to influence contemporary networking designs.