Method, equipment and system for passive optical network extension
A passive optical network and optical network unit technology, which is applied in the field of passive optical network extension, can solve the problems of limited number of ONUs, small optical splitting ratio, and difficult expansion of system equipment, and achieves the effect of easy expansion.
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[0025] Embodiments of the present invention provide a method, device, and system for remote passive optical network, and provide a new PON remote device and optical splitter for PON, so that the remote distance of PON is longer, and the splitting ratio of PON reaches higher requirement.
[0026] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0027] figure 2 It shows a system structure diagram of a remote passive optical network in an embodiment of the present invention, including an optical line terminal (OLT) 20, a passive optical network remote (PON EXTENDER) device 21, and an optical network unit (ONU) 22, Wherein: the OLT 20 is used to interact with the remote ONU 22 for PON signals, and the PON signals need to be extended and split by the PON EXTENDER device 21 before entering each ONU 22 . The PON EXTENDER device 21 is provided with an optical amplifier 211, an optical control switch 21...
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