Table 4-2. Troubleshooting Malfunctions (Continued)

Symptom

Possible Cause

Corrective Action

 

 

 

 

Module does not

Module is not fitted

Remove the module from

power up

correctly against

the slot and replace it in

 

backplane.

the slot. This action

 

 

 

ensures that the module

 

 

 

is fitted correctly.

 

 

 

 

 

 

 

Place the module in a

 

 

 

different slot in the hub.

 

 

 

 

The hub is not

Check that the hub is

 

receiving electrical

receiving power.

 

power.

 

 

 

 

Test for power at the wall

 

 

 

 

 

 

outlet by plugging in

 

 

 

another device.

 

 

 

 

 

 

 

Select another outlet on a

 

 

 

different circuit if

 

 

 

necessary.

 

 

 

 

Module is unable to

Reset the RMON

 

communicate with

MultiProbe Module

 

hub backplane.

through the

 

 

 

management module or

 

 

 

press the Reset button on

 

 

 

the RMON MultiProbe

 

 

 

Module front panel.

 

 

 

 

4 - 4 Ethernet RMON MultiProbe Module Installation and Operation Guide

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3Com RMON-EMP-3 installation and operation guide Troubleshooting Malfunctions