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Richerlink > News > Company News > What is ONU(Optical Network Unit)?

What is ONU(Optical Network Unit)?

What is ONU(Optical Network Unit)

what is ONU : Optical Network Unit, which is a terminal device for Optical fiber access.

ONU functions

1.Select to receive broadcast data sent by the OLT;

2.Responding to the ranging and power control commands issued by the OLT; and making corresponding adjustments;

3.Caching the user’s Ethernet data and sending it in the upstream direction in the transmission window allocated by the OLT.

ONU device

The EPON and GPON ONU device consists of a common functional unit such as a core function circuit, power supply, and management.

What is ONU device

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