233190 X3 Linear LLC 32 May 2013
Testing and Troubleshooting
For testing and troubleshooting purposes, this section shows the layout of the
DN2800MT board and the application extension blades. It also describes how to:
• Interpret various LEDs and beeps.
• Remove blades.
• Use buttons on the SAM-E module to start up, shut down, and reboot the
system, and to reset the controller network and login factory defaults.
The Mini-ITX Network Controller
The Mini-ITX Network Controller is shown in the following figure.
Figure 25. The Mini-ITX Network Controller.
Note: The single LED on the Mini-ITX Network Controller is green when the
power is on and off when there is no power to the system.
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