OPTICAL LINE TERMINATION DEVICE

PROBLEM TO BE SOLVED: To provide an optical line termination device capable of facilitating confirmation of a receiving level of a light signal at the optical line termination device.SOLUTION: An optical line termination device 1, receiving an optical signal transmitted from an optical transmitter via an optical transmission path and converting the optical signal into an electric signal, includes: a display section 50; a PD 20 for converting the optical signal transmitted from the optical transmitter via the optical transmission path into the electric signal; a detection section 71 for detecting a receiving level of the light signal at the optical line termination device 1 based on the electric signal converted by the PD 20; and an output control section 72 for displaying information corresponding to the receiving level of the light signal detected by the detection section 71 to the display section 50.