Quote from ShadowJedi:
Actually, any attempt at getting to that specific data room after getting the bombs will be a waste of time since Space-Jump is needed for quite a high ledge in one of the rooms on the way.
NOT TRUE! When I was trying to find my way out of TRO in my first ever Fusion run, I wall jumped to get back up and SUCCEEDED in getting to the door the SA-X had blown up, then realized this and tried to go back, then died.