3Com manual Troubleshooting the NJ240FX

Page 64

Troubleshooting the NJ240FX

Event/Message

Description

Solution

 

 

 

 

Amber LED on Port 1 is

Power is not being

Make sure the cable is properly

not on

forwarded to network

 

connected to Port 1 of the IntelliJack.

 

device

Make sure the cable is properly

 

 

 

 

 

connected to the powered device.

 

 

Make sure the IntelliJack is configured

 

 

 

to match the cable - either straight

 

 

 

through or crossover.

 

 

Make sure the powered device is IEEE

 

 

 

802.3af compatible.

 

 

Make sure the power requirement for

 

 

 

the powered device does not exceed 7

 

 

 

watts. The IntelliJack can only forward

 

 

 

up to 7 watts.

 

 

 

 

Power LED is blinking

Unit has detected a problem.

Contact 3Com Technical Support.

continuously

Traffic can pass through, but

 

 

 

management will not work.

 

 

 

 

 

 

Authentication Failure

Wrong password has been

Confirm correct password and re-

 

entered

 

type.

 

 

 

 

Timeout

Device did not respond

Refresh the screen after a few

 

within a specified period of

 

seconds. If the problem persists, try to

 

time

 

rediscover the device.

 

 

 

 

Attributes Error

Unexpected configuration

Confirm that you have specified valid

 

parameters

 

parameter values and retry the

 

 

 

configuration operation.

 

 

NOTE: This error should not appear to

 

 

 

the user under normal conditions.

 

 

 

 

General Error

Something other than

Retry the operation you were

 

authentication failure,

 

performing.

 

timeout or attributes error

NOTE: This error should not appear to

 

has occurred

 

 

the user under normal conditions.

 

 

 

 

 

 

 

60

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Contents User Guide United States Government Legend Contents Troubleshooting the NJ240FX Installing the NJ240FX Intellijack Installing the NJ240FX Intellijack About the NJ240FX Before You Begin IntelliJack MountingCabling is connected to an active fiber port Installing the NJ240FX Intellijack Mounting the IntelliJack Installing the NJ240FX Intellijack LED Installing the NJ240FX Intellijack Installing Configuration Managers Configuration Managers Using Local Configuration Manager InitializingUsing the Local Configuration Manager Setting Advanced OptionsUsing the Local Configuration Manager IntelliJacks on Your DiscoveringNetwork Using the Central Configuration Manager Discovering IntelliJacks on Your Network Using the Central Configuration Manager Discovering IntelliJacks on Your Network Viewing Device PropertiesViewing Device Properties General Tab Port InformationProduct Information Hardware Settings Tab Viewing Device Properties Using the Central Configuration Manager Statistics & Log Tab Snmp Settings Tab Viewing Device Properties Advanced Settings Tab Alert Level Notifying Event System Log Settings Tab Configuration Changing DeviceIdentification Settings General ConfigurationHardware Settings Changing Device Configuration Priority & Vlan Configuration Port Based SettingsOther Priority & Vlan Settings Using the Central Configuration Manager Password Security Configuration802.1X Using the Central Configuration Manager Changing Device Configuration Snmp Configuration Changing Device Configuration Advanced Configuration Event Alert LevelsPort Based Controls Alert Level Notifying EventRestoring to Base Configurations Global Setting Default ValueGlobal Setting Default Value Using the Central Configuration Manager Changing Device Configuration Connected to NJ240FX Finding ComputersDevices Upgrading NJ240FX FirmwareUsing the Central Configuration Manager Upgrading the NJ240FX Firmware Using the Central Configuration Manager Upgrading the NJ240FX Firmware Using the Central Configuration Manager Troubleshooting the NJ240FX Troubleshooting the NJ240FX Obtaining Support Contact Us Asia, Pacific Rim Europe, Middle East, and AfricaLatin America North AmericaProduct Specifications Product Specifications Features Jabber Experienced 16 transmission attempts and was discarded. Product Specifications 3COM Corporation Limited Warranty