A device mounting system is provided. The device 720 can include a plurality of device mounting posts 730, 740. The system can further include a transition member 100 including an transition mounting feature 150 and at least one receiver 140 adapted to accommodate a first portion of the device mounting features 730. The system can also include a backing member 100 comprising at least one receiver 140 adapted to accommodate the remaining portion of the device mounting features 740 and a transition mounting receiver 240 adapted to accommodate, the transition mounting feature 150.