Go into the door. Look at all the displays. There is a door. Go inside, you find Magi is working there. Back to nexus.
Brink is revived.
Then use the red rod to open the door left to the column. You know the the glowing panel in command center is the tram control. You need to repair the lifeless crystal. You and Brink go to the museum. Brink will help you to open the weakened door.