Auxiliary device for setting wavelength and method for setting optical wavelength of optical network unit
AssigneeSOLiD, INC.
InventorsTae Hyeong Kim, Won Song Chang, Sun Keun Yu
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Abstract
A wavelength-setting auxiliary device according to an embodiment of the inventive concept includes an optical wavelength analyzer configured to transmit a test signal having a first wavelength to an optical line terminal, and to execute a central wavelength detection algorithm based on a result of detecting power of a return signal for the test signal to set optical wavelength information of a tunable optical module, and a connector connected to the tunable optical module for interfacing data transmitted between the optical wavelength analyzer and the tunable optical module.
Claims8
A wavelength-setting auxiliary device comprising:
- an optical wavelength analyzer implemented with at least one processor and configured to:
- receive an optical signal from an optical line terminal, wherein a wavelength of the optical signal corresponds to a wavelength pre-allocated for an optical network unit, and
- execute a wavelength detection algorithm based on the optical signal to set optical wavelength information of a tunable optical module of the optical network unit;
- and
- a connector connected to the tunable optical module of the optical network unit to enable transmission of the optical wavelength information between the optical wavelength analyzer and the tunable optical module of the optical network unit,
- wherein the connector is configured to support at least one of a small form-factor pluggable (SFP) interface, an SFP+ interface, a 10 gigabit small form-factor pluggable (XFP) interface, and a 100 gigabit small form-factor pluggable (CFP) interface.
A method of setting an optical wavelength of an optical network unit, the method comprising:
- disconnecting a cable connected to an optical line terminal from a tunable optical module of an optical network unit;
- detaching the tunable optical module from the optical network unit;
- mounting the tunable optical module on a wavelength-setting auxillary device;
- connecting, at the wavelength-setting auxillary device,
- receiving, at the wavelength-setting auxillary device, an optical signal from the optical line terminal, wherein a wavelength of the optical signal corresponds to a wavelength pre-allocated for the optical network unit;
- and
- setting, at the wavelength-setting auxiliary device, optical wavelength information of the tunable optical module of the optical network unit by executing a wavelength detection algorithm for the optical signal.
Dependencies are inferred from the claim text.