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Installation and Troubleshooting 2 - 25
Technical Assistance
You can receive assistance for installing and troubleshooting the 17-Slot
concentrator by calling your dealer or 3Com Customer Support. Be
prepared to supply a representative with the following information:
❑ a description of the problem
❑ the steps you have taken to try and correct the problem
The Active LED
is broken.
Press the LED Test button
to see if the LED is
working.
Standby Off The module is
in active mode.
Verify that the Active LED
is illuminated.
The Standby
LED is broken.
Press the LED Test button
to see if the LED is
working.
Blinking There is a
hardware
failure in the
Standby
module.
Reset the module. If this
action does not correct
the problem, install the
module in another slot.
If necessary, replace the
module and contact
3Com Customer
Support Organization.
See Technical Assistance
to follow.
Table 2-4. Troubleshooting with Controller Module LEDs
(Continued)
LED State
Possible
Problem
Troubleshooting
Suggestions