Abstract: A communication assembly that includes a backplane; and multiple boards coupled to the backplane such that at least one board is coupled to one side of the backplane while at least one other board is coupled to a second side of the backplane; wherein the backplane and the multiple boards are shaped and are positioned such as when the backplane and the multiple boards are coupled to each other they provide a thin communication assembly that can be installed in a door space of existing communication cabinet. A communication cabinet that includes a door comprising inner walls that define a substantially shallow inner door space, and a communication cabinet that comprises a backplane and multiple boards coupled to the backplane; wherein the backplane and the multiple boards are shaped and are positioned such as to fit within the inner door space.