Wavelength division-time division hybrid passive optical network system
A technology of passive optical network and optical network unit, which is applied in the field of high-speed and large-capacity wavelength-division time-division hybrid passive optical network system, and can solve the problems of high price, limited application, and limited number of scalable users.
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no. 1 Embodiment
[0023] First, refer to figure 1 The wavelength division time division hybrid passive optical network system according to the first embodiment of the present invention will be described. In this embodiment, the injection light may be light emitted by a downlink single-wavelength light source at the central office.
[0024] figure 1 It is a block diagram showing a specific configuration of the wavelength division time division hybrid passive optical network system according to the first embodiment of the present invention. Such as figure 1 As shown, the wavelength division time division hybrid passive optical network system includes a central office 10, a plurality of optical network units 20-1, ..., 20-N, and a plurality of optical network units 20-1, ... 20-N located between the central office 10 and the plurality of optical network units 20-1, ... The remote node 30 of N.
[0025] Among them, the central office 10 includes a device for generating 1 , lambda 2 ,...λ NA ...
no. 2 Embodiment
[0033] Next, refer to figure 2 A wavelength division time division hybrid passive optical network system according to a second embodiment of the present invention will be described. In this embodiment, the injected light may be light emitted by a downlink broadband light source at the central local end.
[0034] figure 2 It is a block diagram showing a specific configuration of a wavelength division time division hybrid passive optical network system according to the second embodiment of the present invention. The wavelength-division / time-division hybrid passive optical network system related to the second embodiment has a structure similar to that of the first embodiment, and the same reference numerals are assigned to the same constituent elements as those of the first embodiment, and detailed description thereof is omitted. Here, Only the different structural features are described.
[0035] Among them, the central office 10 is equipped with a plurality of light source...
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