The SmartAX MA5612 (the MA5612 for short) is an industry-leading remote multi dwelling unit (MDU) launched by Huawei, which supports flexible configurations and provides broadband services on the Fiber To The Building (FTTB) network and leased line services on a passive optical network (PON). The MA5612 is a box-type device measuring 1-U high and 19-inch wide and providing two GPON or GE uplink ports, 8-24 channel LAN uplink ports, 8-24 channel LAN access (LAN:POTS = 1:N) and 8-16 channel E1 access. The MA5612 features a broad temperature range, low power consumption, mute design, high stability, environment-friendlily and energy conservation, and can be used on workbenches and installed in corridors and cabinets, meeting broadband and leased line