Abstract: An enclosure for splicing a trunk line from outside a building to inside the building comprises a housing, a removable frame, and a splice tray. The housing includes a back and a sidewall comprising a wall portion and a gap. The removable frame is removably coupled to the back of the housing and comprises an adaptor plate, a splice tray coupler, and a wall. The wall of the removable frame fills in the gap of the sidewall of the housing. Further, the splice tray couples to the removable frame via the splice tray coupler of the removable frame.