NETGEAR FSM7352S manual Appendix B Troubleshooting, Troubleshooting Chart, Network Adapter Cards

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APPENDIX B: TROUBLESHOOTING

This chapter provides information about troubleshooting the NETGEAR Model FSM7352S Layer 3 Managed Stackable Fast Ethernet Switch. Topics include:

Troubleshooting chart

Additional troubleshooting suggestions

Troubleshooting Chart

Table B-1 lists symptoms, causes, and solutions of possible problems.

Table B-1. Troubleshooting Chart

Symptom

Cause

 

 

Solution

 

 

 

 

 

 

 

Power LED is off.

No power is received

 

 

Check the power cord connections for the

 

 

 

 

 

switch at the switch and the connected device.

 

 

 

 

 

Make sure all cables used are correct and

 

 

 

 

 

comply with Ethernet specifications.

 

Link LED is off or intermittent.

Port connection is not

 

 

Check the crimp on the connectors and make

 

 

working.

 

 

sure that the plug is properly inserted and

 

 

 

 

 

locked into the port at both the switch and the

 

 

 

 

 

connecting device.

 

 

 

 

 

Make sure all cables used are correct and

 

 

 

 

 

comply with Ethernet specifications. See

 

 

 

 

 

Appendix D.

 

 

 

 

 

Check for a defective adapter card, cable, or

 

 

 

 

 

port by testing them in an alternate

 

 

 

 

 

environment where all products are functioning.

 

File transfer is slow or

Half- or full-duplex setting

 

 

Make sure the attached device is set to auto

 

performance degradation is a

on the switch and the

 

 

negotiate.

 

problem.

connected device are not

 

 

 

 

 

the same.

 

 

Check System message log.

 

A segment or device is not

One or more devices are not

 

 

Verify that the cabling is correct. Be sure all

 

recognized as part of the network.

properly connected, or

 

 

connectors are securely positioned in the

 

 

cabling does not meet

 

 

required ports. Equipment may have been

 

 

Ethernet guidelines.

 

 

accidentally disconnected.

 

ACT LED is flashing continuously

A network loop (redundant

 

 

Break the loop by ensuring that there is only

 

on all connected ports and the

path) has been created (see

 

 

one path from any networked device to any

 

network is disabled

Figure 2-3).

 

 

other networked device.

 

Additional Troubleshooting Suggestions

If the suggestions in Table B-1 do not resolve your problem, refer to the troubleshooting suggestions in this section.

Network Adapter Cards

Make sure the network adapter cards installed in the PCs are in working condition and the software driver has been installed.

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Contents Trademarks Internet/World Wide Web Contents Figures Introduction OverviewFeatures Package Contents Shows the package contents for the Managed SwitchVerify that your package contains the following CD ROMFront and Back Panels Physical Description10/100/1000 Mbps RJ-45 Ports SFP module bay Console Port LED DescriptionsLabel Description Page Characteristics Requirements InstallationPreparing the Site Applying AC Power Installing the SwitchChecking the Installation Installing the Switch on a Flat SurfaceConnecting Devices to the Switch Installing a SFP ModuleInstalling a Gigabit Ethernet fiber Module into an FSM7352S FSM7352S # network parms 192.168.1.100 255.255.255.0 System InformationConnecting the stacking modules Layer 3 Services Appendix a Technical SpecificationsLayer 2 Services Switch ManagementEnvironmental Specifications Power SupplyPhysical Dimensions InterfaceSafety Additional Troubleshooting Suggestions Appendix B TroubleshootingTroubleshooting Chart Table B-1. Troubleshooting Chart Symptom Cause SolutionSwitch Integrity ConfigurationAuto Negotiation Appendix C Default Settings