If you sought the help of the Brotherhood in building the teleporter, in building the teleporter in the main quest “The Molecular Level”, Procter Ingram give you a Network Scanner holotape. As soon as you get in The Institute, load the holotape of the console right in front of you and scan the network. Eject the holotape and give it to her. Take note that this Network Scanner can be acquired from another faction and still be handed over to Ingram.