CN209497462U - A kind of single fiber nets isolation access device more - Google Patents
A kind of single fiber nets isolation access device more Download PDFInfo
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- CN209497462U CN209497462U CN201920683942.2U CN201920683942U CN209497462U CN 209497462 U CN209497462 U CN 209497462U CN 201920683942 U CN201920683942 U CN 201920683942U CN 209497462 U CN209497462 U CN 209497462U
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Abstract
The utility model discloses a kind of single fibers to net isolation access device more, the equipment includes OLT, fiber splitter and ONU, OLT is connect with multiple fiber splitters, fiber splitter is connect with multiple ONU, OLT includes integrated circuit board and the basic functional units being arranged on integrated circuit board and maintenance function unit, basic functional units include IP telephone access module, basic IP network AM access module and additional IP network AM access module, IP telephone access module, basic IP network AM access module and additional IP network AM access module are connect with the first Wavelength division multiplexing module respectively, maintenance function unit includes the basic IP network maintenance module safeguarding processor and being electrically connected with maintenance processor, additional IP network maintenance module, IP phone maintenance module and public maintenance module.Single fiber provided by the utility model nets isolation access device more, realizes more net isolation accesses, simplifies network structure, improve utilization rate of equipment and installations.
Description
Technical field
The utility model relates to Networks of Fiber Communications technical fields, net isolation access more more particularly to a kind of single fiber and set
It is standby.
Background technique
Currently, the direction of network technical development is multi-internet integration, Optical Access Network is to solve information superhighway and more nets
The problem of merging last one kilometer, it is that the much information for being fused into a network is transmitted in user family or is done by optical fiber
The desktop of public room, much information mainly include IP phone, DTV and ip network number evidence.
Existing fiber access network technology generallys use GPON technology, and GPON is a kind of general optical fiber with international standard
Access technology.GPON technology use latest generation broadband light Integrated access standard, have high bandwidth, high efficiency, large coverage,
The abundant equal many merits of user interface are considered as the reason for realizing that access network service is broadband, synthesization is transformed by most of operators
Think technology.Equipment based on GPON technology is made of optical line terminal OLT, optical network unit ONU and optical fiber and optical splitter
The systems composition such as Optical Distribution Network ODN.The optical access network of this standard is adapted to application in most cases, can be with
The access of the TV, phone and internet of family is provided by an optical fiber for user, provides the ether of desktop for enterprise
Net, video conference and phone access.But in some cases, it is desirable that phone and Ethernet cannot permeate a network,
Even require there are two or multiple mutually independent Ethernet access, in this case, common a set of Optical Access Network can not
Access while realizing multiple networks, ordinary optic fibre access net can only divide different logical subnetworks by IP Virtual LAN Technique,
The requirement of real Network Isolation is not achieved.
Utility model content
The purpose of the utility model is to provide a kind of single fibers to net isolation access device more, by optimizing optical line terminal
OLT configuration, is respectively processed telephone network and data network, realizes more net isolation accesses, simplifies network structure, improves equipment benefit
With rate.
To achieve the above object, the utility model provides following scheme:
A kind of single fiber nets isolation access device more, which includes optical line terminal OLT, fiber splitter and multiple
Optical network unit ONU, the optical line terminal OLT are connect with multiple fiber splitters, each fiber splitter
It is connect with multiple optical network unit ONUs, the optical line terminal OLT includes integrated circuit board and setting in integrated electricity
Basic functional units and maintenance function unit on the plate of road, the basic functional units include IP telephone access module, basic IP
Net AM access module and additional IP network AM access module, the IP telephone access module, basic IP network AM access module and additional IP network connect
Enter module to connect with the first Wavelength division multiplexing module respectively, the maintenance function unit includes maintenance processor and handles with maintenance
Basic IP network maintenance module, additional IP network maintenance module, IP phone maintenance module and the public maintenance mould that device is electrically connected
Block, the basic IP network maintenance module, additional IP network maintenance module, IP phone maintenance module are accessed with the basic IP network respectively
Module, additional IP network AM access module, IP telephone access module connect one to one, and are provided on the optical line terminal OLT
Basic IP network interface, additional IP network interface, IP phone interface, basic IP network maintenance interface, additional IP network maintenance interface, IP phone
Maintenance interface, public maintenance interface and GPON output interface, the GPON output interface and first Wavelength division multiplexing module connect
It connects.
Optionally, the IP telephone access module includes sequentially connected IP phone interface module, speech time slot allocation mould
Block and the first data modulation module, the IP phone interface module are connect with the IP phone interface, the speech time slot allocation
Module is connect with the IP network phone maintenance module；The basic IP network AM access module includes sequentially connected first IP network
Interface module, the first data exchange module and the second data modulation module, the first IP network interface module and described basic
The connection of IP network interface, first data exchange module are connect with the basic IP network maintenance module；The additional IP network
AM access module includes sequentially connected second IP network interface module, the second data exchange module and third data modulation module,
The second IP network interface module is connect with the additional IP network interface, second data exchange module and the additional IP
The connection of net maintenance module；First data modulation module, the second data modulation module, third data modulation module respectively with institute
State the connection of the first Wavelength division multiplexing module.
Optionally, the network unit ONU and optical network unit OLT is equipped with.
Optionally, the network unit ONU includes the second Wavelength division multiplexing module, IP phone processing module, at master data
Module and additional data processing module are managed, is provided with GPON input interface, plain old telephone interface, base on the network unit ONU
Notebook data interface and additional data interface, second Wavelength division multiplexing module are connect with the GPON input interface, the IP electricity
The signal input part for talking about processing module, master data processing module and additional data processing module is multiple with second wavelength-division respectively
It is connected with module, the signal input part of the IP phone processing module, master data processing module and additional data processing module
Output end connects one to one with the plain old telephone interface, master data interface and additional data interface.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects: this is practical new
The single fiber that type provides nets isolation access device more, and combination is optimized to the inner function module of optical line terminal OLT, will
Originally IP telephone access, the access of basic IP network and the access of additional IP network is respectively configured by 3 optical line terminal OLT and realizes more nets
The function device of isolation access focuses on an optical line terminal OLT, forms integrated circuit board, can be to telephone network and data
Net is respectively processed, and simplifies network structure, improves utilization rate of equipment and installations, makes user's save the cost；In optical line terminal
IP telephone access module, basic IP network AM access module and additional IP network AM access module independently work in OLT, non-cross dry
It disturbs, is modulated in transmission fiber on different wavelength, to reach physically-isolated effect, realize more net isolation accesses, be convenient for
Maintenance management brings great convenience for user.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is that more net isolation access infrastructure schematic diagrames are realized using common access device；
Fig. 2 is to net isolation access device using the utility model embodiment single fiber to realize more net isolation access infrastructure signals more
Figure；
Fig. 3 is the utility model embodiment optical line terminal OLT structural schematic diagram；
Fig. 4 is the utility model embodiment optical network unit ONU structural schematic diagram；
Description of symbols: 1, IP phone interface module；2, speech time slot allocation module；3, the first data modulation module；
4, the first IP network interface module；5, the first data exchange module；6, the second data modulation module；7, the second IP network interface mould
Block；8, the second data exchange module；9, third data modulation module；10, the first Wavelength division multiplexing module；11, basic IP network maintenance
Module；12, IP network maintenance module is added；13, IP phone maintenance module；14, public maintenance module；15, processor is safeguarded；16,
Second Wavelength division multiplexing module；17, IP phone processing module；18, master data processing module；19, additional data processing module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The purpose of the utility model is to provide a kind of single fibers to net isolation access device more, by optimizing optical line terminal
OLT configuration, is respectively processed telephone network and data network, realizes more net isolation accesses, simplifies network structure, improves equipment benefit
With rate.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is that more net isolation access infrastructure schematic diagrames are realized using common access device, is connect as shown in Figure 1 using common
Enter the purposes that equipment realizes mostly net isolation access, need the identical access device of more sets, system structure complexity is apparent.
Fig. 2 is to net isolation access device using the utility model embodiment single fiber to realize more net isolation access infrastructure signals more
Figure, Fig. 3 is the utility model embodiment optical line terminal OLT structural schematic diagram, as shown in Figures 2 and 3, and general in Fig. 1
Logical access device is compared, and single fiber provided by the embodiment of the utility model nets isolation access device more and utilizes identical intelligent acess
Network only uses different OLT device and ONU equipment, can both meet the requirement of more net isolation accesses, and the utility model is real
It includes optical line terminal OLT, fiber splitter and optical network unit that the single fiber for applying example offer nets isolation access device more
ONU, the optical line terminal OLT are connect with multiple fiber splitters, each fiber splitter with it is multiple described
Optical network unit ONU connection, the optical line terminal OLT include integrated circuit board and the base that is arranged on integrated circuit board
This functional unit and maintenance function unit, the basic functional units include IP telephone access module, basic IP network AM access module
With additional IP network AM access module, the IP telephone access module, basic IP network AM access module and additional IP network AM access module difference
It is connect with the first Wavelength division multiplexing module 10, the maintenance function unit includes maintenance processor 15 and divides with maintenance processor 15
Basic IP network maintenance module 12, additional IP network maintenance module 11, IP phone maintenance module 13 and the public maintenance not being electrically connected
Module 14, the basic IP network maintenance module 12, additional IP network maintenance module 11, IP phone maintenance module 13 respectively with the base
The AM access module of this IP network, additional IP network AM access module, IP telephone access module connect one to one, the optical line terminal
Basic IP network interface, additional IP network interface, IP phone interface, basic IP network maintenance interface, additional IP network maintenance are provided on OLT
Interface, IP phone maintenance interface, public maintenance interface and GPON output interface, the GPON output interface and first wavelength-division
Multiplexing module 15 connects.
The IP telephone access module includes sequentially connected IP phone interface module 1, speech time slot allocation module 2 and
One data modulation module 3, the IP phone interface module 1 are connect with the IP phone interface, the speech time slot allocation module 2
It is connect with the IP network phone maintenance module 13；The basic IP network AM access module includes that sequentially connected first IP network connects
Mouth mold block 4, the first data exchange module 5 and the second data modulation module 6, the first IP network interface module 4 and the base
The connection of this IP network interface, first data exchange module 5 are connect with the basic IP network maintenance module 12；It is described additional
IP network AM access module includes sequentially connected second IP network interface module 7, the second data exchange module 8 and the modulation of third data
Module 9, the second IP network interface module 7 are connect with the additional IP network interface, second data exchange module 8 and institute
State additional IP network maintenance module connection；First data modulation module 3, the second data modulation module 6, third data modulate mould
Block 9 is connect with first Wavelength division multiplexing module 15 respectively.
Wherein, IP telephone access module is for IP phone processing: IP phone interface module 1 belongs to this interface for receiving
The voice data of reason, masks extraneous data, sends speech time slot allocation module 2, speech time slot allocation for received data
Module 2 is time multiplexing circuit, and speech is assigned to corresponding time slot, is then sent to the modulation of the first data in a serial fashion
Module 3, the first data modulation module 3 complete modulation/demodulation function, speech information are modulated to a fixed wave length λ1On, with
Upper process is the processing to downlink signal, carries out reverse operating to uplink signal；
Basic IP network AM access module is used for basic IP network data processing: basic IP network data portion handles IP data all the way,
The access of a corresponding network, the first IP network interface module 4 have routing function, only receive number related with this interface
According to masking extraneous data, then send the data to the first data exchange module 5, the first data exchange module 5 is also one
Time multiplexing circuit, the data for being sent to different ONU are assigned to different time-gap by it, are equivalent to and are completed a data exchange, place
The second data modulation module 6 that data after reason are sent in a serial fashion, the second data modulation module 6 modulate data information
To a fixed wave length λ2On, it is completed at the same time reverse operating；
Additional IP network AM access module is for adding IP network data processing: additional IP network data processing function and basic IP network number
It is identical according to processing function, it is intended merely to handle another circuit-switched data, modulates data on fixed wave length λ3On；
First Wavelength division multiplexing module 15 complete three kinds of functions, first is that optical electrical conversion, second is that wavelength-division multiplex, third is that interface seal
Dress, in down direction by the signal modulation of each function a to frequency of light wave, is transmitted, and be packaged on an optical fiber
GPON output interface format, is completed at the same time reverse operating.
Maintenance function unit realizes the configuration and administration feature to OLT device, IP phone, basic IP network, attachment IP network pair
The corresponding individual maintenance interface of the maintenance module answered works in the case where maintenance processor 15 controls.Wherein, public maintenance module
Function be that the work of multiple maintenance function modules is completed by a set of processor, it plays the role of coordination.
The network unit ONU is equipped with the optical network unit OLT, and ONU is the remote equipment of OLT, is matched with OLT
It closes and uses, data revert to initial data by ONU after optical fiber transmits, and connect terminal by corresponding interface, ONU is provided
The data-interface of telephony interface, the data-interface of corresponding basic IP network and corresponding additional IP network, it is mutually isolated between each interface.
As shown in figure 4, the network unit ONU include the second Wavelength division multiplexing module 16, it is IP phone processing module 17, basic
Data processing module 18 and additional data processing module 19, be provided on the shell of the network unit ONU GPON input interface,
Plain old telephone interface, master data interface and additional data interface, the second Wavelength division multiplexing module 16 and GPON are inputted
Interface connection, the signal of the IP phone processing module 17, master data processing module 18 and additional data processing module 19 are defeated
Enter end to connect with second Wavelength division multiplexing module 16 respectively, the IP phone processing module 17, master data processing module 18
With the signal input part output end and the plain old telephone interface, master data interface and additional number of additional data processing module 19
It connects one to one according to interface, it is each to distinguish carrying for the information that the second Wavelength division multiplexing module 16 is transmitted by GPON input interface
The wavelength of carrying IP phone information, master data information, additional data information is connected respectively to IP by the wavelength of kind heterogeneous networks
Call processing module 17, master data processing module 18, additional data processing module 19.
Wherein, IP phone processing module 17 is used for from the voice data received in OLT assigned timeslot in corresponding wavelength, extensive
Multiple to be sent on plain old telephone interface at analogue voice signal, plain old telephone interface can connect traditional phone and realize speech industry
Same operation is completed in business in the opposite direction；
Master data processing module 18 is used to be combined into from the data received in corresponding wavelength in OLT assigned timeslot
Whole IP packet is sent to master data interface, and master data interface can connect data terminal, accesses with the basic IP network of the side OLT
The same network of module composition realizes data communication；
Additional data processing module 19 is used to be combined into from the data received in corresponding wavelength in OLT assigned timeslot
Whole IP packet is sent to additional data interface, and additional data interface can connect data terminal, accesses with the additional IP network of the side OLT
The same network of module composition realizes data communication.
The circuit structure of each functional module used in the utility model is all made of existing custom circuit structure,
The purpose of this utility model is to carry out the integration improvement of above-mentioned module, simplifies device structure, optimizes performance.
Single fiber provided by the utility model nets isolation access device more, to the inner function module of optical line terminal OLT
Combination is optimized, IP telephone access is respectively configured by multiple optical line terminal OLT in script, basic IP network accesses and attached
The functional module for adding IP network to access focuses on an optical line terminal OLT, forms integrated circuit board, can be to telephone network sum number
It is respectively processed according to net, simplifies network structure, improve utilization rate of equipment and installations, make user's save the cost；At fibre circuit end
IP telephone access module, basic IP network AM access module and additional IP network AM access module independently work in the OLT of end, non-cross
It interferes, is modulated on different wavelength in transmission fiber, to reach physically-isolated effect, realize that more net isolation access, just
In maintenance management, great convenience is brought for user.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the method and its core concept of the utility model；Meanwhile for the general technology of this field
Personnel, based on the idea of the present invention, there will be changes in the specific implementation manner and application range.In conclusion
The content of the present specification should not be construed as a limitation of the present invention.
Claims (4)
1. a kind of single fiber more net isolation access device, which is characterized in that including optical line terminal OLT, fiber splitter and
Optical network unit ONU, the optical line terminal OLT are connect with multiple fiber splitters, each fiber splitter
It is connect with multiple optical network unit ONUs, the optical line terminal OLT includes integrated circuit board and setting in integrated electricity
Basic functional units and maintenance function unit on the plate of road, the basic functional units include IP telephone access module, basic IP
Net AM access module and additional IP network AM access module, the IP telephone access module, basic IP network AM access module and additional IP network connect
Enter module to connect with the first Wavelength division multiplexing module respectively, the maintenance function unit includes maintenance processor and handles with maintenance
Basic IP network maintenance module, additional IP network maintenance module, IP phone maintenance module and the public maintenance mould that device is electrically connected
Block, the basic IP network maintenance module, additional IP network maintenance module, IP phone maintenance module are accessed with the basic IP network respectively
Module, additional IP network AM access module, IP telephone access module connect one to one, and the optical line terminal OLT is provided with base
This IP network interface, additional IP network interface, IP phone interface, basic IP network maintenance interface, additional IP network maintenance interface, IP phone dimension
Shield interface, public maintenance interface and GPON output interface, the GPON output interface are connect with first Wavelength division multiplexing module.
2. single fiber according to claim 1 nets isolation access device more, which is characterized in that the IP telephone access module packet
Include sequentially connected IP phone interface module, speech time slot allocation module and the first data modulation module, the IP phone interface
Module is connect with the IP phone interface, and the speech time slot allocation module is connect with the IP network phone maintenance module；Institute
Stating basic IP network AM access module includes sequentially connected first IP network interface module, the first data exchange module and the second data
Modulation module, the first IP network interface module are connect with the basic IP network interface, first data exchange module
It is connect with the basic IP network maintenance module；The additional IP network AM access module includes sequentially connected second IP network interface
Module, the second data exchange module and third data modulation module, the second IP network interface module and the additional IP network
Interface connection, second data exchange module are connect with the additional IP network maintenance module；First data modulation module,
Second data modulation module, third data modulation module are connect with first Wavelength division multiplexing module respectively.
3. single fiber according to claim 2 nets isolation access device more, which is characterized in that the network unit ONU and institute
Optical network unit OLT is stated to be equipped with.
4. single fiber according to claim 3 nets isolation access device more, which is characterized in that the network unit ONU includes
Second Wavelength division multiplexing module, IP phone processing module, master data processing module and additional data processing module, the network list
GPON input interface, plain old telephone interface, master data interface and additional data interface, second wave are provided on first ONU
Multiplexing module is divided to connect with the GPON input interface, the IP phone processing module, master data processing module and additional number
It is connect respectively with second Wavelength division multiplexing module according to the signal input part of processing module, it is the IP phone processing module, basic
Data processing module and the signal input part output end of additional data processing module connect with the plain old telephone interface, master data
Mouth and additional data interface connect one to one.
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| KR102312621B1 (en) * | 2021-06-18 | 2021-10-13 | 최민영 | School network system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102312621B1 (en) * | 2021-06-18 | 2021-10-13 | 최민영 | School network system |
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