The Total Access 380 MDU features four slots that will house a variety of ONTs to serve a number of applications including high-speed Internet, voice and video. For example, when four Total Access 352 GPON SFU ONT cards are installed into the MDU housing, a total of eight residences may be served with Ethernet and POTS. The flexible design of the MDU housing provides the convenience of mixing and matching various ONT models to serve a variety of individual customer needs within the multi-dwelling unit being served.