Adding an ONU to the OLT needs to bind an ONU profile. ONU profile defines the type and the number of ONU ports, and some GPON attributes. Fill in the correct values that the ONU. The Optical Line Terminal (OLT) manages and schedules downstream and upstream data transmission, provides user access, allocates bandwidth, and handles network management functions. As a managed device, the Optical Network Unite (ONU) converts optical signals to electrical signals, enabling. In this video, we will take a look at the the XPON ONU Stick from HSGQ. more Audio tracks for some. Fiber-to-the-Home (FTTH) technology is revolutionizing internet connectivity. However, the closed devices provided by internet service providers often restrict users' freedom.