3Com 3C39024, 3C39036, 10005622 manual Symptom, Steps to Take, LED Status

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6-2 CHAPTER 6: TROUBLESHOOTING THE SYSTEM

Table 6-1Troubleshooting Power Failures

Symptom

Possible Sources of the Problem

Steps to Take

 

 

 

System does not power up.

■ System is not receiving power.

1 Verify that the building’s power outlet has power.

 

■ Power supply malfunctioned.

2

Check that the power cord is firmly plugged into the system and either the

 

 

 

building’s power outlet, the redundant power system, or the

 

 

 

uninterruptible power system.

 

 

3

If you are using an RPS or a UPS, check that it is firmly plugged into the

 

 

 

building’s power outlet.

 

 

4

Try another power cable.

 

 

5

If the system still does not operate, contact 3Com Technical Support or

 

 

 

your service representative.

 

 

 

 

Table 6-2Troubleshooting Abnormal System LED Activity

LED Status

Possible Sources of the Problem

Steps to Take

 

 

 

 

Fault LED blinks yellow.

Diagnostic software is not running.

1

Check the Administration Console display.

 

 

2

Call 3Com Technical Support or your service representative.

 

 

 

 

Power LED does not light.

System has failed.

1

Shut down the system by disconnecting the power plug.

 

 

2

Call 3Com Technical Support or your service representative.

 

 

 

 

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Contents SuperStack II Switch Canada Emissions Requirements United States Federal Communications Commission NoticeJapan Vcci Class a Compliance Australian EMC Frameworks Compliance Page Contents Index 3COM Corporation Limited Warranty Finding Specific Information in This Guide IntroductionFor information on Turn to Convention Description ConventionsFor information on Icon Type DescriptionSuperStack II Switch 3900 Documentation Paper DocumentsDocumentation Comments Related PublicationsDocuments on CD-ROM Year 2000 Compliance Page Switch 3900 System and Setup Overview Switch 3900 Intelligent SwitchSystem Overview 24-Port Front Panel Ethernet Ports System and Port LEDsSystem Overview 36-Port Front Panel 13x 18x 25x3Back Panel of the 24-Port and 36-Port SuperStack II Switch System Overview Back Panel of Both ModelsSystem Features and Benefits System ManagementNetwork Configuration Example Optional Gigabit Ethernet ModulesProviding Dedicated Links for Fast Ethernet Network Configuration Sample Server farmPage Before You Begin Qty To use1Stacking the Switch Installing the System in a Distribution Rack Preparing the System and RackRepeat the process on the other rail Mounting the System into a Distribution Rack Page Fiber Safety Precautions Overview of CablingFast Ethernet Ports Cabling 10/100BASE-TX RJ-45 Ports10/100BASE-TX RJ-45 Connector Pin Assignments Pin No Signal DescriptionGigabit Ethernet Ports Cabling Gigabit Ethernet PortsCabling the Console Port Shows the Gigabit Ethernet cablingSwitch 3900 and 9300 Administration Guide Console Port Pin Assignments Shows the DB-9 pin assignments for Console portPage Optional Advanced Redundant Power System Power OptionsAC Power Cord Optional Uninterruptible Power SystemTo Power the Switch 3900 with the RPS Power UpPower-up Diagnostics To Power the Switch 3900 from the Wall ReceptacleSystem Diagnostics Ethernet Port DiagnosticsSystem and Port Status LEDs Super Stack II Switch Ethernet Port Status LEDs36x Check Description System ChecksNext Step Software Configuration SystemPage Access Mechanism Allows you to Using About Switch 3900 System ManagementHow Do You Want to Manage the System? Modem Connection Initial Management AccessTerminal Connection IP Management InterfaceSetting the Console Port Baud Configuring the IP InterfacePage Getting Additional Help Diagnosing ProblemsPower Failures Abnormal LED ActivitySteps to Take SymptomLED Status Diagnosing Problems Cleaning Dirty Fiber Optic Ports and Connectors Power Supply Specifications Physical DimensionsSafety Agency Certifications Environmental RequirementsSnmp protocol RFC Software Tftp RFC InstallationStandard Type RFC Supported MIB II RFCGeneral Safety Requirements Wiring Closet RecommendationsProtective Grounding for the Rack Distribution Rack RequirementsSpace Requirements for the Rack Figure B-1Recommended Service Access Mechanical Requirements for the RackBuilding and Electrical Codes Building CodesElectrical Codes Page World Wide Web Site Online Technical Services3Com Bulletin Board Service 3Com FTP SiteSupport from Your Network Supplier 3ComFacts Automated Fax ServiceCountry Data Rate Telephone Number Support from 3Com Returning Products for Repair Country Telephone Number Fax NumberIndex Universal mounting hole pattern Snmp Page 3Com Corporation Limited Warranty HardwareLimitation of Liability

10005622, 3C39024, 3C39036 specifications

The 3Com 3C39036, 3C39024, and 10005622 are prominent networking devices that serve as crucial components in enterprise-level networking environments. These products, designed and manufactured by 3Com, are recognized for their reliability, performance, and innovative technologies.

The 3Com 3C39036 is a robust multi-layer switch that provides advanced features suitable for large-scale networking solutions. One of its standout characteristics is its high throughput capability, allowing it to handle large volumes of data traffic smoothly. It supports multiple network protocols, enhancing compatibility with various devices and network configurations. With its Layer 2 and Layer 3 functionality, the 3C39036 enables both switching and routing, making it versatile for different network topologies. Additionally, it includes features such as Virtual LAN (VLAN) support, which allows for the segmentation of networks for improved performance and security. The built-in Quality of Service (QoS) capabilities prioritize critical data traffic, ensuring that essential applications receive the necessary bandwidth for optimal performance.

Meanwhile, the 3Com 3C39024 is another multi-layer switch that emphasizes scalability and flexibility. It is designed for medium to large businesses looking to enhance their network infrastructure. The 3C39024 offers extensive port configurations, enabling organizations to easily expand their network as needed. Like the 3C39036, it supports VLANs, QoS, and routing capabilities, fostering efficient data management and streamlined communication. With its powerful management features, network administrators can monitor and configure the switch using intuitive interfaces, simplifying network management tasks.

Lastly, the 10005622, known for its simplicity and effectiveness, is ideal for small to medium-sized enterprises. This managed switch provides essential features, such as auto-sensing ports and plug-and-play functionality, making it an excellent choice for businesses that require ease of use without sacrificing performance. The 10005622 also supports VLANs and offers basic network security features, ensuring secure data transmission across the network.

In summary, the 3Com 3C39036, 3C39024, and 10005622 cater to different networking needs, from large enterprises to smaller businesses. They incorporate essential technologies and characteristics that enhance network performance, scalability, and management, making them valuable assets in today's data-driven environments. With their high reliability and advanced features, these switches continue to be relevant in an ever-evolving technological landscape.
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