CN210038256U

CN210038256U - Building FTTH + user light distribution device

Info

Publication number: CN210038256U
Application number: CN201920502502.2U
Authority: CN
Inventors: 陈俊龙
Original assignee: CHINA ERACOM CONTRACTING AND ENGINEERING Co Ltd
Current assignee: CHINA ERACOM CONTRACTING AND ENGINEERING Co Ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-02-07
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a building FTTH + user light distribution device, which comprises an optical cable, an optical end box, a light splitter, an optical fiber connector and a tail fiber; the optical cable comprises a plurality of optical fibers, optical signals are transmitted to the optical splitter through the optical cable, and an optical fiber connector is arranged in the optical end box and is arranged at a user entrance; FTTH + equipment in the building is located to the optical splitter, the tail optical fiber is used for connecting optical splitter and fiber connector. The utility model discloses a connection relation of optical terminal box, beam splitter, fiber connector, tail optical fiber, convenience of customers realizes that optic fibre is registered one's residence, and construction cycle is short, the construction is convenient, is favorable to simplifying access network architecture, realizes the access network and flattens.

Description

Building FTTH + user light distribution device

Technical Field

The utility model relates to an optical fiber access technical field especially relates to a building FTTH + user's optic fibre distributor.

Background

Fiber-to-the-home has been promoted as a national strategy, but many people still reflect that the fiber broadband can not enter home late. According to the disclosure of broadband maintenance personnel, the installation difficulty of the optical fiber network is high and is difficult to finish independently, and the requirement of the pipes of some cells on network cable routing is high, the difficulty is doubled, so that some people have to be dispatched for installation, and the installation cost is increased. And although FTTH thin covering exists in part of the building, the rubber-covered cable cannot enter the house, and the optical fiber broadband cannot be installed in the house.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a building FTTH + optical fiber distribution device, corresponding FTTH + equipment is increased on the original basis of the building, and optical fiber is used for entering the home.

The purpose of the utility model is realized by adopting the following technical scheme:

a building FTTH + user light distribution device is characterized by comprising an optical cable, an optical end box, an optical splitter, an optical fiber connector and a tail fiber; the optical cable comprises a plurality of optical fibers, optical signals are transmitted to the optical splitter through the optical cable, and an optical fiber connector is arranged in the optical end box and is arranged at a user entrance; FTTH + equipment in the building is located to the optical splitter, the tail optical fiber is used for connecting optical splitter and fiber connector.

Furthermore, the optical terminal box is used for protecting and fixing an optical fiber connector, and the optical fiber connector is connected with a user access jumper fiber.

Further, the optical splitter comprises a first-stage optical splitter and a second-stage optical splitter, and the optical signal is transmitted to the second-stage optical splitter for splitting and connected with the optical end box after being split by the optical cable to the first-stage optical splitter; the first-stage light splitter is installed in a machine room in a centralized mode, the second-stage light splitters are installed in the building, the number of the light splitters is multiple, and the multiple second-stage light splitters form a second-stage light splitting networking.

Further, the deployment ratio of the splitter ports is as follows: (splitter port count/number of residential dwelling) 100%.

Further, FTTH + equipment is installed in FTTH +'s frame, just the frame is disposed five types of line convergent points in the building.

Furthermore, the number of the optical fiber cores in the optical cable is 1-144 cores.

Further, the type of the tail fiber and the optical fiber connector is one or more of SC, ST, LC and FC.

Further, the FTTH + equipment is an optical module which is not lower than PX20+ or CLASS C + grade.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model provides a building FTTH + user optical distribution device, through on the basis of original building facility, through the relation of connection of optical terminal box, beam splitter, fiber connector, tail optical fiber, convenience of customers realizes optic fibre and registers one's residence, need not to bury the line on a large scale, and construction cycle is short, the construction is convenient, can realize FTTH more conveniently, is favorable to simplifying access network architecture, realizes the access network platykuzation.

Drawings

Fig. 1 is a schematic system diagram of an embodiment of the present invention;

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1, the utility model provides a building FTTH + user optical distribution device, which is characterized in that it comprises an optical cable, an optical end box, an optical splitter, an optical fiber connector and a tail fiber; the optical cable comprises a plurality of optical fibers, optical signals are transmitted to the optical splitter through the optical cable, and an optical fiber connector is arranged in the optical end box and is arranged at a user entrance; FTTH + equipment in the building is located to the optical splitter, the tail optical fiber is used for connecting optical splitter and fiber connector.

This building FTTH + user optical distribution device is through on the basis of original building facility, through the relation of connection of optical terminal box, beam splitter, fiber connector, tail optical fiber, and convenience of customers realizes that optic fibre is registered one's residence, need not to bury the line on a large scale, and construction cycle is short, the construction is convenient, can realize FTTH more conveniently, is favorable to simplifying the access network architecture, realizes the access network platykurtic.

The device of the utility model is used for fiber to enter the home in a 24-storey high-rise building. The optical splitter is first deployed at a specified location. The designated position is generally the original building converging light node, the optical fiber signal is strongest at the position and the wire is not required to be led again, so that the difficulty of decoration and maintenance is reduced. The optical splitter is arranged in FTTH + equipment in a building. In this embodiment, the FTTH + device is located in the machine frame MA5658, and an FTTH + thin-coverage ODN network is constructed, so as to meet the high bandwidth access requirement of high-value competitive building users. In principle, the FTTH + equipment cabinets do not exceed 4 per floor in principle. Specifically, the optical splitter comprises a first-stage optical splitter and a second-stage optical splitter, and optical signals are transmitted to the second-stage optical splitter for splitting and connecting with the optical end box after being split by the first-stage optical splitter through the optical cable; the first-stage optical splitter is arranged in a machine room in a centralized mode, the second-stage optical splitter is arranged in the building, and the plurality of second-stage optical splitters form a second-stage optical splitting networking. The beam splitter is 1: the two-stage splitter of 8, i.e. one splitter, can be used by 8-layer users. A 1:8 × 1:8 two-stage light splitting networking is adopted. Under the condition of the two-stage light splitting networking, the first-stage light splitter does not directly open the service in principle.

And the predicted opening rate and the user distribution structure of the building are comprehensively considered in the initial configuration proportion of the FTTH + port. Specifically, the predicted turn-on rate is defined as: (number of predicted discharge/number of covered dwelling house) × 100%. And if the condition of predicting the on-rate is met, reconstructing the port of the optical splitter. And the proportion of the port deployment of the branch terminal is (the port number of the branch terminal/the number of the residential users covered) 100%, in principle, the proportion of the port deployment in the initial period does not exceed 30% of the total number of users, and the final number is inserted according to the requirement. The fiber jumping of the deconcentrator is connected with the optical terminal box through the position of the five-type wire gathering point, and the optical branching box tail fiber is welded again, so that FTTH + equipment is used as effective supplement for FTTH optical cable construction, the problem that when a leather cable cannot enter a home, the service of FTTH high-speed bandwidth can be provided, and the maximum utilization of an FTTH network and the sustainable development of the network are achieved.

In an embodiment, the number of optical fiber cores is 6 cores. More, the specific core number can be determined by users according to the requirements of building layer number, actual use number and the like, and the range of the selected optical fiber core number is 1-144 cores. The optical fiber connector and the tail fiber described in this embodiment are both SC pre-splicing optical fiber connectors, and are respectively butted with the optical fiber splitter and a user. More, not limited to SC fiber connector, the user can select the ST, LC, FC type fiber connector according to the needs. After the optical path data is set, the original optical path data is modified and recorded again, and the optical path and the equipment are tested, so that the use stability of a user is ensured.

Further, the FTTH + device is an optical module not lower than PX20+ or CLASS C + CLASS, to support 1: 64, the light splitting capability is ensured to be suitable for FTTH + thin covering.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A building FTTH + user light distribution device is characterized by comprising an optical cable, an optical end box, an optical splitter, an optical fiber connector and a tail fiber; the optical cable comprises a plurality of optical fibers, optical signals are transmitted to the optical splitter through the optical cable, and an optical fiber connector is arranged in the optical end box and is arranged at a user entrance; FTTH + equipment in the building is located to the optical splitter, the tail optical fiber is used for connecting optical splitter and fiber connector.

2. A building FTTH + subscriber light distribution unit as claimed in claim 1, wherein said optical terminal box is used for protection and securing of optical fiber connectors, said optical fiber connectors connecting subscriber access jumpers.

3. A building FTTH + subscriber optical distribution unit as claimed in claim 2, wherein the optical splitter comprises a primary optical splitter and a secondary optical splitter, and the optical signal is split by the optical cable to the primary optical splitter and then transmitted to the secondary optical splitter for splitting and connecting to the optical terminal box; the first-stage optical splitter is arranged in a machine room in a centralized mode, the second-stage optical splitter is arranged in the building, and the plurality of second-stage optical splitters form a second-stage optical splitting networking.

4. A building FTTH + subscriber light distribution apparatus as claimed in claim 3, wherein the proportion of the ports of said optical splitter is: (splitter port count/number of residential dwelling) 100%.

5. A building FTTH + subscriber light distribution device as claimed in claim 4, wherein said FTTH + equipment is installed in a machine frame of FTTH +, and said machine frame is deployed at a five-wire aggregation point in the building.

6. A building FTTH + subscriber optical distribution unit as claimed in claim 5, wherein said optical cable has optical fiber cores ranging from 1 to 144.

7. A building FTTH + subscriber light distribution unit as claimed in claim 6, wherein said pigtails and fibre connectors are of one or more of the types SC, ST, LC, FC.

8. A building FTTH + subscriber light distribution unit as claimed in claim 7, wherein said FTTH + equipment is a light module not lower than PX20+ or CLASS C +.