You got it all wrong, the thing you're plugging in is one of those things where you press a button and it rings a bell in another room, telling whoever is in there that the ringer wants service. Then, you would ring it and someone would escort you out of the office. That was what I was trying to imply
It looks like you need some kind of key-card to activate the crane. A door is ajar on the other side of the warehouse. You decide to investigate. there's a small cabinet in the middle of the room, at the back there is a computer with what seems like a password riddle. NEXT POST