CN209692770U

CN209692770U - A kind of polymerization extension apparatus

Info

Publication number: CN209692770U
Application number: CN201920666860.7U
Authority: CN
Inventors: 朱金元; 肖光伟
Original assignee: Shanxi Shanshui Optoelectronic Technology Co Ltd
Current assignee: Shanxi Shanshui Optoelectronic Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2019-11-26
Anticipated expiration: 2029-05-10

Abstract

A kind of polymerization extension apparatus, including cabinet, the front panel of the cabinet is equipped with direct current source tray, the side of direct current source tray is equipped with fan disk, the side of fan disk is equipped with the chuck slot position of 8 identical sizes, it is respectively equipped with PON polymerization in the chuck slot position of 8 identical sizes to zoom out disk, main control unit and close partial wave disk, main control unit, conjunction partial wave disk, PON polymerization zoom out disk and connect to form electrical transmission and signal transmission with the circuit board in cabinet, and the rear panel of the cabinet is equipped with alternating current source tray.The problems such as which solves existing PON to polymerize remote device, and it is excessively high that there are hardware costs, and the starting time is long, and configuration is complicated or even each PON card is with cpu system, slot position immobilization.

Description

A kind of polymerization extension apparatus

Technical field

The utility model relates to a kind of polymerization extension apparatus.

Background technique

With the implementation of the national strategies such as " broadband China " and " internet+", high speed, height are proposed to home broadband construction The requirement of bandwidth, therefore the construction in fixed network broadband will be one of the core business of three big operators.Present operator actively rings The strategy and policy and construction requirements for answering country carry out broadband construction, bandwidth upgrading, but have encountered many problems: fiber resource is short It lacks, is unable to satisfy large-scale broadband and creates and raise speed；Pipeline resource is taken by major operator, builds pipeline again, Wherein civil engineering needs ditching, pipe laying, will also be by ring upon ring, investment is big, low efficiency；PON access distance is limited, does not send out sufficiently Wave GPON transmission apart from advantage；O&M cost is high, maintenance pressure is big, and the big coverage rate of return pressure is not high；In traffic needs Little rural area, small towns are invested the excessive rate of return on investment that is unable to satisfy and are required etc..

Also there are many companies to be proposed PON polymerization remote device at present, but totally see that the hardware cost of equipment is excessively high, opens The disadvantages of dynamic time is long, and configuration is complicated or even each PON card is with cpu system, slot position immobilization.

Utility model content

Its purpose of the utility model, which is that, provides a kind of polymerization extension apparatus, solves existing PON polymerization remote device, It is excessively high that there are hardware costs, and the starting time is long, and configuration complexity or even each PON card have cpu system, slot position immobilization etc. Problem.

It adopts the technical scheme that achieve the above object, a kind of polymerization extension apparatus, including cabinet, the cabinet Front panel is equipped with direct current source tray, and the side of direct current source tray is equipped with fan disk, and the side of fan disk is equipped with 8 identical sizes Chuck slot position, PON polymerization is respectively equipped in the chuck slot position of 8 identical sizes and zooms out disk, main control unit and closes partial wave disk, Main control unit, conjunction partial wave disk, PON polymerization zoom out disk and connect to form electrical transmission and signal transmission, the machine with the circuit board in cabinet The rear panel of case is equipped with alternating current source tray.

The direct current source tray is that 48V power card is divided into upper layer and lower layer, 2 road 48V power supplys is all accessed simultaneously, wherein stopping all the way Electricity or failure, another way 48V power supply enable at once, and equipment still works normally, that is, the 1+1 Thermal protection for meeting 48V power supply falls It changes.

The alternating current source tray is that 220V power card is divided into upper layer and lower layer, 2 road 220V power supplys is all accessed simultaneously, wherein all the way Have a power failure or failure, another way 220V power supply enable at once, equipment still works normally, that is, the 1+1 heat for meeting 220V power supply is protected Protective switching.

The built-in CPU of the main control unit, manages the board in other 7 chuck slot positions by the SPI interface being fanned out to respectively, The board of each slot position is inserted in some slot position can obtain the inherent address of the slot position automatically, and main control card can be controlled accurately The board of each slot position is made, carries out parameter modification, configuration, inquiry operation, while main control card also has the exchange chip of 9 ports, The ethernet frame that certain management data are packaged into standard can be transmitted, the FPGA on subcard can collect these Ethernets Frame, and parsing, then by I2C, the serial port protocols such as SPI, GPIO control the chip in board, when not power down, these The chip being initialised works all in accordance with scheduled principle, accomplishes that no CPU's is low on disk to realize PON polymerization and zoom out Cost board.

The PON polymerization, which is zoomed out, is equipped with fpga chip in disk, fpga chip can parse the inline Ethernet that main control card is sent Then frame is multiplexed into the OTU2 mouthfuls of optical fiber by 20-40km and is transferred to remote equipment, disk is zoomed out in the PON polymerization of distal end, from OTU2 Mouth demultiplexing restores ethernet frame, then parses again, carrys out each chip in Control card.

Beneficial effect

The utility model has the following advantages that compared with prior art.

The utility model has the advantages that solving existing PON polymerization remote device, it is excessively high that there are hardware costs, when starting Between long, the problem of configuration is complicated or even each PON card is with cpu system, slot position immobilization.

Detailed description of the invention

Below in conjunction with attached drawing, the utility model is described in further detail.

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the rear panel structure schematic diagram of the utility model；

Fig. 3 is the structure chart that main control unit controls other 7 chuck slot position inner panel cards；

Fig. 4 is the structural schematic diagram connected at CPU built in main control unit in the utility model；

Fig. 5 is the structural schematic diagram of ethernet frame in the utility model；

Fig. 6 is system attachment structure schematic diagram in the utility model.

Specific embodiment

The utility model is further described below with reference to examples and drawings.

A kind of polymerization extension apparatus, including cabinet 1, as shown in Figure 1, 2, the front panel of the cabinet 1 are equipped with direct current Source tray 2, the side of direct current source tray 2 are equipped with fan disk 3, and the side of fan disk 3 is equipped with the chuck slot position of 8 identical sizes, institute State be respectively equipped in the chuck slot position of 8 identical sizes PON polymerization zoom out disk 4, main control unit 5 and close partial wave disk 6, main control unit 5, close Partial wave disk 6, PON polymerization zoom out disk 4 and connect to form electrical transmission and signal transmission with the circuit board in cabinet 1, after the cabinet 1 Panel is equipped with alternating current source tray 7.

The direct current source tray 2 of the front panel is that 48V power card is divided into upper layer and lower layer, all accesses 2 road 48V electricity simultaneously Source, wherein power failure or failure all the way, another way 48V power supply enable at once, equipment is still worked normally, that is, meets 48V power supply 1+1 Thermal protection switch.

The alternating current source tray 7 of the rear panel is that 220V power card is divided into upper layer and lower layer, all accesses 2 road 220V electricity simultaneously Source, wherein power failure or failure all the way, another way 220V power supply enable at once, equipment is still worked normally, that is, meets 220V electricity The 1+1 Thermal protection in source is switched.

As shown in Figure 3,4, the built-in CPU(centre unit of the main control unit), it is managed respectively by the SPI interface being fanned out to The board of other 7 slot positions is managed, the card insertion of each slot position can obtain the inherent address of the slot position, master control in some slot position automatically Card can accurately control the card of each slot position, carry out parameter modification, configuration, inquiry operation, while main control card also has 9 The exchange chip of port can transmit the ethernet frame that certain management data are packaged into standard, and the FPGA on subcard can It to collect these ethernet frames, and parses, then by I2C, the serial port protocols such as SPI, GPIO control the chip in board System, when not power down, these chips being initialised work all in accordance with scheduled principle, zoom out to realize PON polymerization Accomplish the inexpensive board of no CPU on disk.

The signal of all identical types is carried out unified arrangement by the slot position subcard, the design of backboard stand, different Signal carries out NC processing or slot position patches the modes such as stand offset, and the general frame of whole device has accomplished that PON polymerization is zoomed out Disk, closes partial wave disk, main control unit can any mixed insertion, no striker, wrong plug slot position will not burn board, the working condition of panel leds Construction personnel can also be reminded to exchange the board of wrong plug.

As shown in figure 5, the FPGA that disk 4 is zoomed out in the PON polymerization can parse the inline ethernet frame that main control card is sent, so It is multiplexed into the OTU2 mouthfuls of optical fiber by 20-40km afterwards and is transferred to remote equipment, the PON polymerization of distal end is zoomed out disk, solved from OTU2 mouthfuls Multiplexing restores ethernet frame, then parses again, carrys out each chip in Control card, and which achieves Remote configurations, inquire, and rises The condition of grade.

As shown in fig. 6, the CPU of the main control unit 5 can polymerize the Flash chip zoomed out to subcard PON by SPI interface It is wiped, updating operation, after the completion of upgrading, CPU scheduling allows CPLD to be connected to SPI_3 and SPI_4, reloads FPGA New procedures in Flash, since FPGA loading method is AS(active serial mode), the starting time of system, FPGA can be saved After the completion of load, CPU scheduling allows CPLD to be connected to SPI_1 and SPI_2, at this time energy normal initialization FPGA, completes configuration.Master control The management frame that disk issues turns MII by PHY association and enters FPGA, is inserted into the expense of OTN, realizes remote other than management 40km End.

In the utility model, the chuck slot position anti-mis-insertion list of 8 identical sizes on entire machine frame:

The card of other slot positions is fan disk, direct current source tray, alternating current source tray, because there is no errors for size difference Possibility.

It is that PON is multiplexed board (local side), PON demultiplexes board (distal end) that veneer is zoomed out in PON polymerization, is equipped with 8 PON Mouthful, PON is multiplexed board and 8 road GPON is multiplexed into 2 road OTU2(or 1 road OTU2), PON demultiplexes board and realizes demultiplexing, utilizes Wavelength-division multiplex principle realizes the effect that polymerization is zoomed out, and an optical fiber progress communications need to be shared by making multiple channels only, closes partial wave The effect that the smear signal of veneer is further polymerize is zoomed out in two PON polymerizations by board, is improved efficiency, is greatly saved Optical fiber cost, main control card can connect network carry out user management, safety management, long-range management, log management, online upgrading, On-line monitoring etc..Broadband construction, the demand in bandwidth upgrading to fiber resource can be greatly reduced by the utility model, is based on Original fiber arrangement can be completed, and without building pipeline again, carries out ditching, pipe laying, greatly reduces the consuming of social resources.

Claims

1. a kind of polymerization extension apparatus, including cabinet (1), which is characterized in that the front panel of the cabinet (1) is equipped with direct current The side of source tray (2), direct current source tray (2) is equipped with fan disk (3), and the side of fan disk (3) is equipped with the chuck of 8 identical sizes Slot position is respectively equipped with PON polymerization in the chuck slot position of 8 identical sizes and zooms out disk (4), main control unit (5) and conjunction partial wave disk (6), main control unit (5), close partial wave disk (6), PON polymerization zoom out disk (4) connect with the circuit board in cabinet (1) to be formed electrical transmission and The rear panel of signal transmission, the cabinet (1) is equipped with alternating current source tray (7).

2. a kind of polymerization extension apparatus according to claim 1, which is characterized in that the direct current source tray (2) is 48V electricity Source card is divided into upper layer and lower layer, all accesses 2 road 48V power supplys simultaneously, wherein power failure or failure all the way, another way 48V power supply is at once It enables, equipment still works normally, that is, the 1+1 Thermal protection for meeting 48V power supply is switched.

3. a kind of polymerization extension apparatus according to claim 1, which is characterized in that the alternating current source tray (7) is 220V Power card is divided into upper layer and lower layer, all accesses 2 road 220V power supplys simultaneously, wherein power failure or failure all the way, another way 220V power supply It enables at once, equipment still works normally, that is, the 1+1 Thermal protection for meeting 220V power supply is switched.

4. a kind of polymerization extension apparatus according to claim 1, which is characterized in that the built-in CPU of the main control unit (5), The board in other 7 chuck slot positions is managed respectively by the SPI interface being fanned out to, and the board of each slot position is inserted in some slot position The inherent address of the slot position can be obtained automatically, and main control unit (5) can accurately control the board of each slot position, carry out parameter Modification, configuration, inquiry operation, while main control unit (5) also have the exchange chip of 9 ports, certain management data can be encapsulated It being transmitted at the ethernet frame of standard, the FPGA on subcard can collect these ethernet frames, and parse, then pass through I2C, The serial port protocols such as SPI, GPIO control the chip in board, and when not power down, the chip that these are initialised is all in accordance with pre- Fixed principle works, so that realizing PON polymerization zooms out the inexpensive board for accomplishing no CPU on disk.

5. a kind of polymerization extension apparatus according to claim 1, which is characterized in that the PON polymerization is zoomed out to be set in disk (4) There is fpga chip, fpga chip can parse the inline ethernet frame that main control card is sent, and be then multiplexed into OTU2 mouthfuls and pass through 20-40km Optical fiber be transferred to remote equipment, disk is zoomed out in the PON polymerization of distal end, restores ethernet frame from OTU2 mouthfuls of demultiplexings, then again Parsing, carrys out each chip in Control card.