Just like the laser doors that trapped Obi Wan in Episode I keeping him from helping Quigon in the battle against Darth Maul! These lasers you must try to move through without touching or knocking down.
Online inspiration source for joining methods, joining techniques and connections by Tore Bleuzé, Studio Obi-One
Quote from Star Wars: The Clone Wars │ Battle Droid: Yup, this is about the worst job in the droid army. And it just went into overtime. Oh, ohhh. (Droid is scrubbing floor in a cell when Obi-Wan comes and closes the cell door)