.

Table 4-1. Applying Power Suggestions

Problem

Troubleshooting Suggestions

 

 

 

Power is on, but the Status LED

Press the LED check button on the

does not light.

Controller Module to verify that the

 

 

LED is not burned out. All the LEDs

 

 

should light.

 

 

 

 

 

Verify that the EMM is installed

 

 

correctly by following the installation

 

 

instructions in Chapter 2.

 

 

 

 

 

Try the EMM in another slot in the

 

 

concentrator.

 

 

 

 

 

Press the reset button on the EMM.

 

 

 

 

 

If the LED still does not light, the

 

 

software on the Flash EPROM may be

 

 

corrupted, Try downloading a new

 

 

copy of the software as described in

 

 

Chapter 5.

 

 

 

 

 

If downloading software does not

 

 

solve the problem, call your supplier

 

 

for assistance.

 

 

The Status LED is blinking,

Try the suggestions for the previous

failing diagnostics.

problem.

 

 

 

4 - 2 ONline Ethernet Management Module Installation and Operation Guide

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3Com 5101M-MGT installation and operation guide Applying Power Suggestions, Problem Troubleshooting Suggestions