Activate the security sensors in one of the Guard Towers

How do you complete "Activate the security sensors in one of the Guard Towers"?

This is step 1 of 3 in Waking the Grid, given by Shani. It is completed on The Spaceport.

• Waking the Grid
• The Spaceport

What are the other objectives in Waking the Grid?

Waking the Grid has 3 objectives in total: Activate the security sensors in one of the Guard Towers, Start the Security Control Center in the Departure Building and Search for any traces of a security breach in the Arrival Building Data Office.