3Com 10005622, 3C39036, 3C39024 manual Diagnosing Problems

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Diagnosing Problems

6-3

Table 6-3Troubleshooting Abnormal Port LED Activity

LED Status

Possible Sources of the Problem

Steps to Take

 

 

 

Pckt LED does not light.

Software error

Check the Administration Console display.

Stat LED does not light.

System does not recognize a connection to the port.

■Cable is not fully attached to the port.

■Port cable is faulty.

■Fiber optic ports or connectors are dirty.

1Verify that all cables are firmly plugged into both the system’s affected port and the attached device.

2Test for faulty cables.

3Clean the fiber optic ports and connectors. See next section.

When the problem is corrected, the LED lights green.

If the LED still does not light, contact 3Com Technical Support or your service representative.

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Contents SuperStack II Switch Japan Vcci Class a Compliance United States Federal Communications Commission NoticeCanada Emissions Requirements Australian EMC Frameworks Compliance Page Contents Index 3COM Corporation Limited Warranty For information on Turn to IntroductionFinding Specific Information in This Guide Icon Type Description ConventionsFor information on Convention DescriptionPaper Documents SuperStack II Switch 3900 DocumentationDocuments on CD-ROM Related PublicationsDocumentation Comments Year 2000 Compliance Page Switch 3900 Intelligent Switch Switch 3900 System and Setup OverviewEthernet Ports System and Port LEDs System Overview 24-Port Front Panel13x 18x 25x System Overview 36-Port Front PanelSystem Overview Back Panel of Both Models 3Back Panel of the 24-Port and 36-Port SuperStack II SwitchSystem Management System Features and BenefitsProviding Dedicated Links for Fast Ethernet Optional Gigabit Ethernet ModulesNetwork Configuration Example Server farm Network Configuration SamplePage Qty To use Before You Begin1Stacking the Switch Preparing the System and Rack Installing the System in a Distribution RackRepeat the process on the other rail Mounting the System into a Distribution Rack Page Overview of Cabling Fiber Safety PrecautionsCabling 10/100BASE-TX RJ-45 Ports Fast Ethernet PortsPin No Signal Description 10/100BASE-TX RJ-45 Connector Pin AssignmentsCabling Gigabit Ethernet Ports Gigabit Ethernet PortsShows the Gigabit Ethernet cabling Cabling the Console PortSwitch 3900 and 9300 Administration Guide Shows the DB-9 pin assignments for Console port Console Port Pin AssignmentsPage Optional Uninterruptible Power System Power OptionsAC Power Cord Optional Advanced Redundant Power SystemTo Power the Switch 3900 from the Wall Receptacle Power UpPower-up Diagnostics To Power the Switch 3900 with the RPSEthernet Port Diagnostics System Diagnostics36x Super Stack II Switch Ethernet Port Status LEDsSystem and Port Status LEDs System System ChecksNext Step Software Configuration Check DescriptionPage How Do You Want to Manage the System? About Switch 3900 System ManagementAccess Mechanism Allows you to Using IP Management Interface Initial Management AccessTerminal Connection Modem ConnectionConfiguring the IP Interface Setting the Console Port BaudPage Abnormal LED Activity Diagnosing ProblemsPower Failures Getting Additional HelpLED Status SymptomSteps to Take Diagnosing Problems Cleaning Dirty Fiber Optic Ports and Connectors Environmental Requirements Specifications Physical DimensionsSafety Agency Certifications Power SupplyMIB II RFC Software Tftp RFC InstallationStandard Type RFC Supported Snmp protocol RFCWiring Closet Recommendations General Safety RequirementsSpace Requirements for the Rack Distribution Rack RequirementsProtective Grounding for the Rack Mechanical Requirements for the Rack Figure B-1Recommended Service AccessBuilding Codes Building and Electrical CodesElectrical Codes Page 3Com FTP Site Online Technical Services3Com Bulletin Board Service World Wide Web SiteCountry Data Rate Telephone Number 3ComFacts Automated Fax ServiceSupport from Your Network Supplier Support from 3Com Country Telephone Number Fax Number Returning Products for RepairIndex Universal mounting hole pattern Snmp Page Hardware 3Com Corporation Limited WarrantyLimitation 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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