Huawei Technologies Co., Limited

Biao Qi

Wei Xiong

Jun Zhao

Qi Zhang

Zhenhua Dong

Xiupeng Li

Xishe Liu

Sanxing Li

Jun Zhang

Yuanyuan Li

Wei Wang

Jian Mg Cheng

Qi Li

Bo Wang

Libing Zhou

Feng Tang

Anliang Yang

Xiaolong Dong

Jinlin Zhou

Guohua Pei

Zhijian Zhang

Rui Xiong

Jinxing Zhang

This application provides a port identification method, apparatus, and system, and belongs to the field of optical communications technologies. According to this application, a connection relationship between the ONT and the optical splitter and a connection relationship between the ONT and the port of the optical splitter can be accurately identified.

Port identification method, apparatus, and system

A splitter includes an optical input section, N optical branch sections, and at least (N−1) optical filter structures. Each optical filter structure reflects an optical signal of one wavelength. The at least (N−1) optical filter structures include a special optical filter structure and at least (N−3) common optical filter structures, and a wavelength of an optical signal reflected by each of the common optical filter structures is a common wavelength. A wavelength of an optical signal reflected by a first/second special optical filter structure is a first/second special wavelength. At least (N−3) common wavelengths constitute an arithmetic sequence, a difference between the first special wavelength and a largest common wavelength is greater than a tolerance of the arithmetic sequence, and a difference between the second special wavelength and a smallest common wavelength is greater than the tolerance of the arithmetic sequence.

Splitter, optical distribution network, and method for determining wavelength corresponding to optical filter structure

A front housing of the optical-electrical composite connector is axially provided with a through groove passing through the front housing on the front housing, and an inner wall of the through groove is provided with a first groove. A rear housing includes a main body portion and a clamping portion connected to one end of the main body portion. An outer surface of the clamping portion is axially provided with a second groove, the clamping portion is located in the through groove, and the first groove is butted with the second groove to form an accommodation space. One end that is of the through groove and that is away from the main body portion is an optical port. The font housing is provided with an opening connecting to the accommodation space and the outside. The conductive terminal is accommodated in the opening, and the conductive terminal forms an electrical port.

Connector assembly and optical-electrical composite connector

A connector includes a first light transmission part and a second light transmission part, and when the connector is connected to an optical component, observing, by using the first light transmission part and the second light transmission part on an equipment room side, a detection light to identify the connector, and identifying an output port through which a user-side optical network unit (ONU) is connected to an equipment-room-side splitter.

Connector

One example optical splitter chip includes a substrate. The substrate is configured with an input port, configured to receive first signal light, an uneven optical splitting unit, configured to split the first signal light into at least second signal light and third signal light, where optical power of the second signal light is different from optical power of the third signal light, a first output port, configured to output the second signal light, an even optical splitting unit group, including at least one even optical splitting unit, configured to split the third signal light into at least two channels of equal signal light, where optical power of the at least two channels of equal signal light is the same, and at least two second output ports, which are in a one-to-one correspondence with the at least two channels of equal signal light.

Optical splitter chip, optical splitter component, optical splitter apparatus, and optical fiber box

This application provides a method and an apparatus for establishing an optical cable connection. The method includes: receiving, by a network device, a service provisioning request message including user information from a terminal device; allocating, by the network device, an optical splitter port based on the user information; sending, by the network device, a service provisioning response message to the terminal device, where the service provisioning response message includes the user information and port information; receiving, by the network device, an optical cable installation complete indication message sent by the terminal device, where the optical cable installation complete indication message carries the port identifier, the user information, and an optical cable identifier, and the optical cable identifier is used to indicate an optical cable corresponding to the user information; and storing, by the network device, a correspondence between the optical cable identifier, the port identifier, and the user information.

Method and apparatus for establishing optical cable connection

An optical fiber connector, comprising a main shaft, a connecting piece, and a lock cap. The main shaft comprises a head end and a tail end that is away from the head end. A through hole extending from the head end to the tail end is disposed in the main shaft. The connecting piece is fixedly connected to the head end and partially accommodated in the through hole. The lock cap includes a sealing portion and a connection portion that is connected to a side of the sealing portion. The sealing portion is rotationally connected to an outer side of the head end. The connection portion is located on a side that is of the head end and that is away from the tail end.

Optical fiber connector, prefabricated optical fiber, adapter, fiber termination box, and optical fiber connection assembly

One example optical splitter chip includes a substrate, where the substrate is configured with an input port, configured to receive first signal light, an uneven optical splitting unit, configured to split the first signal light into at least second signal light and third signal light, where optical power of the second signal light is different from optical power of the third signal light, a first output port, configured to output the second signal light, an even optical splitting unit group, including at least one even optical splitting unit, configured to split the third signal light into at least two channels of equal signal light, where optical power of the at least two channels of equal signal light is the same, and at least two second output ports, which are in a one-to-one correspondence with the at least two channels of equal signal light.

An optical fiber junction assembly and a sealing method thereof, and an optical fiber junction box, where in the optical fiber junction assembly, a first housing has first mating surface and an accommodating cavity, a first welding bump is disposed on the first mating surface, and is disposed around an opening of the accommodating cavity, a second welding bump is disposed on the second mating surface, the first welding bump and the second welding bump are configured to form colloid after being heated and melted, and connect and seal the first mating surface and the second mating surface, and an overflow groove is disposed on at least one of the first mating surface and the second mating surface, and is configured to accommodate the colloid.

Optical fiber junction assembly and sealing method thereof, and optical fiber junction box

A topology processing method, apparatus, and system are provided. The topology processing method includes: obtaining, by a topology processing apparatus, a first onsite image collected from an optical distribution network ODN, where the first onsite image includes at least an imaging of a first port of a first ODN device, the first port is connected to a first cable, a first identification area used to identify the first cable is disposed on the first cable, and the first onsite image further includes at least an imaging of the first identification area on the first cable; and identifying, by the topology processing apparatus, the first cable based on the first identification area on the first onsite image, and identifying, based on the first onsite image, the first port connected to the first cable; and generating a first correspondence between the first ODN device, the first port, and the first cable.

Topology processing method, apparatus, and system

Embodiments of the present invention provide an optical branching assembly, a passive optical network, and an optical transmission method, which relate to the field of communications and are used to implement a functional diversity of the optical branching assembly. The optical branching assembly includes: a substrate and an optical power distribution area disposed on a surface of the substrate, where the optical power distribution area is coupled to a first optical waveguide, multiple second optical waveguides, and at least one third optical waveguide, and is used to distribute optical power of an optical signal, transmitted through the first optical waveguide, to each of the second optical waveguides and the at least one third optical waveguide; and the third optical waveguide is coupled to the first optical waveguide, where a reflective material is disposed on the third optical waveguide.

Optical branching assembly, passive optical network, and optical transmission method

Embodiments of the present invention disclose a method, an apparatus, and a system for detecting an optical network. The method comprises: receiving, by a management device, a reflection peak power reported by a testing device, where the reflection peak power is a reflection peak power of an optical splitter that is obtained by the testing device according to a reflected optical signal, the reflected optical signal is an optical signal obtained by reflecting, by the optical splitter, a testing optical signal that is sent by the testing device and is transmitted to the optical splitter through an optical cable, and the optical splitter reflects the testing optical signal by using a reflective film disposed on an end surface of one optical output port. a detector does not need to carry a testing device to a site, to perform detection, efficiency of detecting performance of an optical network is improved.

Growing community of inventors

Wuhan, China

Biao Qi