The SmartAX MA5620 (the MA5620 for short) is industry-leading remote multi dwelling units (MDUs) launched by Huawei, which provide broadband services and IP voice services on the Fiber To The Building (FTTB) network for family users and small to medium enterprises. The MA5620 is box-type device. Each of them provides two GPON or GE uplink ports and supports 8-channel, 16-channel, or 24-channel LAN access (LAN:POTS = 1:1). They feature broad temperature range, low power consumption, mute design, high stability, environmentfriendlily and energy conservation, and can be used on workbenches and installed in corridors and cabinets, facilitating installation and maintenance.