A couple of times I have bought 3/4" x 3/4" aluminum angle and drilled 3/8" holes every inch or so, then mounted these on the side or top of a backboard, terminating all the runs there. This panel is so much better!
A good answer is easier with a clear question giving the make and model of everything. "The biggest problem in communication is the illusion that it has taken place." -- G. “Bernie” Shaw