### Running and Interpreting Digi One RealPort PortServer TS 2/4 POST

This topic describes how to run the power-on self test (POST) and how to interpret the LEDs that provide feedback from the test.

#### Procedure for Running Post

1. Reboot the Digi Device.
2. Use the following to interpret LED feedback during the POST.

   LED Activity | Indication
   Always on | The POST failed.
   Always off | The POST failed.
   Flickering | The POST is in progress.
   Continuously blinking | The POST passed.