Enterasys Networks 5H102-48, 5H103-48 manual Troubleshooting Checklist, Off

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Troubleshooting Checklist

4.2TROUBLESHOOTING CHECKLIST

If the module is not working properly, refer to Table 4-2for a checklist of problems, possible causes, and recommended actions to resolve the problem.

Table 4-2 Troubleshooting Checklist

Problem

Possible Cause

Recommended Action

 

 

 

All LEDs are

Loss of power.

Ensure that the module was installed

OFF.

 

properly according to the installation

 

 

instructions in Chapter 3, and that the host

 

 

chassis is powered properly.

 

 

 

No Local

Autobaud is enabled, but

Press ENTER (RETURN) (may take up to

Management

the baud rate has not yet

four times).

Password screen.

been detected.

 

 

 

 

 

Incorrect terminal setup.

Refer to the MATRIX E5 Series Modules

 

 

Local Management User’s Guide for proper

 

 

setup procedures.

 

 

 

 

Improper console cable

Refer to Appendix A for proper COM port

 

pinouts.

pinouts.

 

 

 

 

Corrupt firmware image,

If possible, attempt to download the image to

 

or hardware fault.

the module again. Refer to Section B.2 for

 

 

instructions to clear NVRAM.

 

 

 

Cannot navigate

Improper Community

1. Refer to the MATRIX E5 Series Modules

beyond Password

Names Table.

Local Management User’s Guide for the

screen.

 

Community Names Table setup.

 

 

2. If the Community Names have been

 

 

forgotten, refer to Section B.2 for

 

 

instructions on how to set the mode switch

 

 

to reset the Community Names to their

 

 

default values.

 

 

 

Troubleshooting 4-5

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Contents 5H102-48 and 5H103-48 Fast Ethernet Installation Guide Page Page FCC Notice Industry Canada NoticeVcci Notice Iii Enterasys NETWORKS, INC Program License AgreementPage Declaration of Conformity Page Contents Troubleshooting Figures Tables Using this Guide About This GuideStructure of this Guide Related Documents Guide uses the following conventions Document ConventionsYour email address Getting HelpIntroduction Introduction5H102-48 and 5H103-48 Modules Remote Monitoring Rmon ConnectivityHALF-DUPLEX/FULL-DUPLEX AUTO-NEGOTIATION Port TrunkingManagement PORT/VLAN Redirect FunctionFlow Control 802.1 Port PriorityStandards Compatibility Switching OptionsPage Port Trunking Feature Network Requirements10BASE-T Network 100BASE-TX Network Unpacking the Module InstallationQuantity Installing the Module Into the 5C105 Chassis Installing a Module into the 5C105 Chassis Connecting UTP Cables to the 5H102-48 Connecting to the NetworkConnecting a Twisted Pair Segment to the 5H102-48 Crossover Cable RJ45 Pinouts Connecting UTP Cables to the 5H103-48 Connection Using the RJ21 Angle Adapter Completing the Installation Using Lanview TroubleshootingLanview LEDs both modules CPU Is enabled and there is a OFF Troubleshooting ChecklistLocal Management User’s Guide for the IP Reset Button both modules Using the Reset ButtonPage Environmental Requirements SpecificationsModule Specifications Physical PropertiesCOM Port Pinout Assignments INPUT/OUTPUT PortsRegulatory Compliance Page Required Tools Mode Switch Bank Settings and OptionsFigure B-1 Mode Switch Location Setting the Mode SwitchesSetting the Mode Switches Page Numerics IndexIndex-2