CN106330319B - A kind of local side apparatus and three-network integration system - Google Patents
A kind of local side apparatus and three-network integration system Download PDFInfo
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- CN106330319B CN106330319B CN201611006133.5A CN201611006133A CN106330319B CN 106330319 B CN106330319 B CN 106330319B CN 201611006133 A CN201611006133 A CN 201611006133A CN 106330319 B CN106330319 B CN 106330319B
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- signal
- division multiplexer
- wavelength division
- input terminal
- wavelength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2887—Access multiplexer, e.g. DSLAM characterised by the offered subscriber services
- H04L12/2889—Multiservice, e.g. MSAN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
- H04L12/2885—Arrangements interfacing with optical systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing
Abstract
The embodiment of the present invention provides a kind of local side apparatus and three-network integration system, the equipment includes: wavelength shifter, first wavelength division multiplexer, and second wavelength division multiplexer, the first input end of the wavelength shifter is for receiving OLT uplink signal, first output end of the wavelength shifter is coupled with the third input terminal of first wavelength division multiplexer, second input terminal of first wavelength division multiplexer is for receiving vision signal/OLT uplink signal, the second output terminal of first wavelength division multiplexer is coupled with the 4th input terminal of second wavelength division multiplexer, 5th input terminal of second wavelength division multiplexer is for receiving PON signal.The equipment allows to the simply realization integration of three networks in the case where not changing the network of current operator laying, and the stabilization of equipment performance and high reliablity, equipment volume are small.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of local side apparatus and three-network integration system.
Background technique
Operator's transmission network is to be based on base band transmission, and the access of broadcasting and TV video is generally accessed using RF video, and two kinds are believed
Number can not again simultaneously be transmitted in operator's digital transmission equipment, if desired simultaneously realize two kinds of signal simultaneous transmissions, then need
Change the network environment that operator has laid, or need to increase and need more equipment, greatly wastes manpower and material resources.
Summary of the invention
In view of this, the embodiment of the present invention is designed to provide a kind of local side apparatus and three-network integration system, to solve
The above problem.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, being applied to three-network integration system, the equipment packet the embodiment of the invention provides a kind of local side apparatus
Include: wavelength shifter, the first wavelength division multiplexer and the second wavelength division multiplexer, the wavelength shifter are provided with the first input
End and the first output end, first wavelength division multiplexer is provided with the second input terminal, third input terminal and second output terminal, described
Second wavelength division multiplexer is provided with the 4th input terminal, the 5th input terminal and third output end, and the first of the wavelength shifter is defeated
Enter end for receiving OLT uplink signal, the third of the first output end of the wavelength shifter and first wavelength division multiplexer
Input terminal coupling, the second input terminal of first wavelength division multiplexer is for receiving vision signal/OLT uplink signal, and described the
The second output terminal of one wavelength division multiplexer is coupled with the 4th input terminal of second wavelength division multiplexer, second wavelength-division multiplex
5th input terminal of device is for receiving PON signal；The wavelength shifter by the first input end for that will be received
OLT uplink signal be converted to the OLT uplink signal of preset wavelength, and the first wave is output to by first output end
The third input terminal of division multiplexer；First wavelength division multiplexer be used for by the OLT uplink signal of the preset wavelength with
And after merging by vision signal/OLT uplink signal that second input terminal receives, the first composite signal is generated, and lead to
Cross the 4th input terminal that the second output terminal is output to second wavelength division multiplexer；Second wavelength division multiplexer is used for will
First composite signal and by the received PON signal fused of the 5th input terminal after, generate second synthesis letter
Number, second composite signal is sent by third output end.
Second aspect, the embodiment of the invention provides a kind of three-network integration system, the system comprises: local side apparatus, PON
Signal output apparatus, third wavelength division multiplexer and central office equipment, the local side apparatus are exported with the PON signal respectively
Equipment and the third wavelength division multiplexer connection, the central office equipment for send by vision signal/OLT uplink signal with
And the composite signal after the synthesis of OLT uplink signal；The third wavelength division multiplexer is for decompositing the composite signal received
The vision signal/OLT uplink signal and the OLT uplink signal；The PON signal output apparatus is used for PON signal
It is sent to the local side apparatus；The local side apparatus for receiving the PON signal, the vision signal/OLT uplink letter respectively
Number and the OLT uplink signal, and by the PON signal, the vision signal/OLT uplink signal and the OLT uplink
The second composite signal is formed after signal fused, and is sent.
Compared with prior art, local side apparatus and three-network integration system provided in an embodiment of the present invention, by using first
The OLT uplink signal of the preset wavelength and vision signal/OLT uplink signal fusion are generated the first synthesis by wavelength division multiplexer
Signal, and first composite signal and PON signal fused are generated by the second composite signal using the second wavelength division multiplexer, and
It is sent to user terminal, so that only needing that the network of current operator laying can be not being changed using the local side apparatus
In the case of, the simply realization integration of three networks.Also, since wavelength shifter, the first wavelength division multiplexer and the second wavelength-division being answered
It is integrated into an equipment with device, improves the stability, reliability and homogeneity of product of equipment, reduce equipment volume.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural block diagram for local side apparatus that first embodiment of the invention provides.
Fig. 2 is a kind of structural block diagram for local side apparatus that second embodiment of the invention provides.
Fig. 3 is a kind of structural block diagram for local side apparatus that third embodiment of the invention provides.
Fig. 4 is a kind of structural block diagram for local side apparatus that fourth embodiment of the invention provides.
Fig. 5 is a kind of structural block diagram for three-network integration system that fifth embodiment of the invention provides.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
Fig. 1 shows a kind of 100 structural block diagram of local side apparatus of first embodiment of the invention offer.The embodiment of the present invention mentions
A kind of local side apparatus 100 is supplied, the equipment includes: wavelength shifter 110, the first wavelength division multiplexer 120 and the second wavelength-division
Multiplexer 130.
The wavelength shifter 110 is provided with first input end 111 and the first output end 112.The wavelength shifter 110
First input end 111 receive OLT uplink signal, the wavelength shifter 110 converts the OLT uplink signal that receives
For the OLT uplink signal of preset wavelength, such as the OLT uplink signal of the wavelength of the 1310nm received passed through into wavelength shifter
110 are converted into the OLT uplink signal of the wavelength of 1550nm, it is to be understood that are not limited thereto, when by OLT uplink signal
Wavelength converted after, pass through first output end 112 send.Wherein, the OLT uplink signal can be the Ge/ of OLT
10Ge uplink signal.
Further, the wavelength shifter 110 is optical transponder unit, for example, semiconductor optical amplifier wavelength conversion
Device etc..
First wavelength division multiplexer 120 is provided with the second input terminal 121, third input terminal 122 and second output terminal
123.The wavelength shifter 110 is coupled with first wavelength division multiplexer 120, further, the wavelength shifter 110
First output end 112 is coupled with the third input terminal 122 of first wavelength division multiplexer 120, and the wavelength shifter 110 passes through
The OLT uplink signal of the preset wavelength is sent first wavelength division multiplexer 120 by first output end 112.It is described
Second input terminal 121 of the first wavelength division multiplexer 120 is used for receiving vision signal/OLT uplink signal, third input terminal 122
In the OLT uplink signal for receiving the preset wavelength.
Second wavelength division multiplexer 130 is provided with the 4th input terminal 131, the 5th input terminal 132 and third output end
133.First wavelength division multiplexer 120 is coupled with second wavelength division multiplexer 130, and further, first wavelength-division is multiple
It is coupled with the second output terminal 123 of device 120 with the 4th input terminal 131 of second wavelength division multiplexer 130.First wavelength-division
Multiplexer 120 is believed by the OLT uplink signal of the preset wavelength and by the video that second input terminal 121 receives
Number/OLT uplink signal fusion after, generate the first composite signal, and by the second output terminal 123 output.Second wave
5th input terminal 132 of division multiplexer 130 is for receiving PON signal.Second wavelength division multiplexer 130 is closed described first
After signal and the PON signal fused, the second composite signal is generated, second composite signal is passed through into third output end
133 send.
Further, first wavelength division multiplexer 120 and/or second wavelength division multiplexer 130 can be CWDM
(Coarse Wavelength Division Multiplexer, coarse wavelength division multiplexer device) or DWDM (Dense
Wavelength Division Multiplexer, dense wave division multiplexer).
The optical signal of different wave length is multiplexed to simple optical fiber using optical multiplexer and is transmitted by CWDM, in the reception of link
Mixed signal in optical fiber, the signal of different wave length is decomposed by optical demultiplexer, is connected to corresponding receiving device by end,
CWDM has the advantages that broader wavelength interval and low cost, wherein is divided into 20nm between the current standard wave length of industry.
DWDM refers in a specified optical fiber, the close spectrum spacing of single fiber carrier is multiplexed, with convenience
With the transmission performance that can achieve, for example, reaching the dispersion or decaying of minimum.In this way, in given letter
It ceases under transmission capacity, it is possible to reduce the total quantity of required optical fiber.
In this present embodiment, the OLT uplink that the wavelength shifter 110 will be received by the first input end 111
Signal is converted to the OLT uplink signal of preset wavelength, and is output to first wavelength-division multiplex by first output end 112
The third input terminal 122 of device 120, first wavelength division multiplexer 120 by the OLT uplink signal of the preset wavelength and
The vision signal received by second input terminal 121 /OLT uplink signal fusion generates the first composite signal, and passes through
The second output terminal 123 is output to the 4th input terminal 131 of second wavelength division multiplexer 130, second wavelength-division multiplex
After device 130 is by the first composite signal and by the received PON signal fused of the 5th input terminal 132, second is generated
Composite signal sends second composite signal by third output end 133.
Local side apparatus 100 provided in an embodiment of the present invention, by using the first wavelength division multiplexer 120 by the preset wavelength
OLT uplink signal and the fusion of vision signal/OLT uplink signal generate the first composite signal, and use the second wavelength-division multiplex
First composite signal and PON signal fused are generated the second composite signal by device 130, and are sent to user terminal, so that
Only needing can be simple real in the case where not changing the network of current operator laying using the local side apparatus 100
The existing integration of three networks.Also, since wavelength shifter 110, the first wavelength division multiplexer 120 and the second wavelength division multiplexer 130 being collected
At the stability, reliability and homogeneity of product of equipment into an equipment, is improved, equipment volume is reduced.
Fig. 2 shows 100 structural block diagrams of a kind of local side apparatus that second embodiment of the invention provides.It is provided in this embodiment
Relative to a upper embodiment, local side apparatus 100 provided in this embodiment further includes image intensifer 150, institute for a kind of local side apparatus 100
It states image intensifer 150 and is provided with the 7th input terminal 151 and the 5th output end 152, the 7th input terminal 151 and described first
The second output terminal 123 of wavelength division multiplexer 120 couples, and the of the 5th output end 152 and second wavelength division multiplexer 130
The coupling of four input terminals 131.
Image intensifer 150 is a kind of sub-system products amplified to optical signal, further, in the present embodiment, institute
State image intensifer 150 be fiber amplifier, the fiber amplifier be miniaturization, integrated fiber amplifier, can be further
Reduce the volume of the local side apparatus 100.
It is understood that wavelength shifter 110, the first wavelength division multiplexer 120 and the second wavelength-division in the present embodiment
Multiplexer 130 is identical with a upper embodiment, is not described in more detail here.
In this present embodiment, the OLT uplink that the wavelength shifter 110 will be received by the first input end 111
Signal is converted to the OLT uplink signal of preset wavelength, and is output to first wavelength-division multiplex by first output end 112
The third input terminal 122 of device 120, first wavelength division multiplexer 120 by the OLT uplink signal of the preset wavelength and
The vision signal received by second input terminal 121 /OLT uplink signal fusion generates the first composite signal, and passes through
The second output terminal 123 is output to the 7th input terminal 151 of the image intensifer 150, and the image intensifer 150 is by described
After the signal strength amplification of one composite signal, the 4th of second wavelength division multiplexer 130 the is output to by the 5th output end 152
Input terminal 131, second wavelength division multiplexer 130 is by amplified first composite signal and passes through the 5th input terminal
After the 132 received PON signal fuseds, the second composite signal is generated, second composite signal is passed through into third output end
133 send.
Local side apparatus 100 provided in an embodiment of the present invention, other than the effect that first embodiment may be implemented may be implemented,
Due to using image intensifer 150, the amplification of signal strength has been carried out in post synthesis by the signal come is transmitted through from central office, so that
The decrease that may be led to signal due to the loss of remote optical fiber, is enhanced here, is more advantageous to subsequent in the second wave
It is merged in division multiplexer 130 with PON signal, so that the signal after the integration of three networks is more clear, and due to using light
Fiber amplifier is further reduced the volume of the local side apparatus 100.
Fig. 3 shows a kind of 100 structural block diagram of local side apparatus of third embodiment of the invention offer.The embodiment of the present invention mentions
Supplied a kind of local side apparatus 100, the equipment include: wavelength shifter 110, the first wavelength division multiplexer 120, optical splitter 140 with
And multiple second wavelength division multiplexers 130.
Optical splitter 140 is a kind of passive device, also known as optical splitter, they do not need external energy, as long as there is input light
?.Optical splitter 140 is made of incident and exit slit, reflecting mirror and dispersion element, and effect is to inhale required resonance
Take-up is separated.The critical component of optical splitter 140 is dispersion element.In this present embodiment, the optical splitter 140 is provided with
Six input terminals 141 and multiple 4th output ends 142.The optical splitter 140 is coupled with first wavelength division multiplexer 120, into one
Step, the 6th input terminal 141 of the optical splitter 140 is coupled with the second output terminal 123 of first wavelength division multiplexer 120,
For receiving first composite signal by the 6th input terminal 141.The optical splitter 140 is by first composite signal
The first composite signal of multichannel is resolved into, and is output to corresponding second wavelength-division by multiple 4th output ends 142 and answers
With the 4th input terminal 131 of device 130.
Further, the optical splitter 140 is fiber splitter 140.For example, fused biconical taper fiber splitter 140, described
Fused biconical taper fiber splitter 140 is lost low, and stability is good, and small volume.
It is understood that wavelength shifter 110, the first wavelength division multiplexer 120, the second wavelength-division multiplex in the present embodiment
Device 130 is identical with first embodiment, and details are not described herein again, and each second wavelength division multiplexer 130 is provided with described
4th input terminal 131, the 5th input terminal 132 and third output end 133.
In this present embodiment, the OLT uplink that the wavelength shifter 110 will be received by the first input end 111
Signal is converted to the OLT uplink signal of preset wavelength, and is output to first wavelength-division multiplex by first output end 112
The third input terminal 122 of device 120, first wavelength division multiplexer 120 by the OLT uplink signal of the preset wavelength and
The vision signal received by second input terminal 121 /OLT uplink signal fusion generates the first composite signal, and passes through
The second output terminal 123 is output to the 6th input terminal 141 of the optical splitter 140, and the optical splitter 140 is closed described first
At signal decomposition at the first composite signal of multichannel, and corresponding described second is output to by multiple 4th output ends 142
4th input terminal 131 of wavelength division multiplexer 130.Each second wavelength division multiplexer 130 is respectively by first composite signal
And by the received PON signal fused of the 5th input terminal 132 after, generate the second composite signal respectively, and respectively
Each user terminal is sent by third output end 133 by second composite signal.
Local side apparatus 100 provided in an embodiment of the present invention, other than being able to achieve the function that first embodiment may be implemented, by
In being also provided with optical splitter 140, so that being transmitted through the signal come from central office, it can only pass through a local side apparatus 100 just by more
More user terminals uses, and reduces the cost that user uses, can be realized scale networking.
Fig. 4 shows a kind of 100 structural block diagram of local side apparatus of fourth embodiment of the invention offer.It is provided in this embodiment
Compared in a upper embodiment, local side apparatus 100 provided in this embodiment further includes image intensifer 150 for a kind of local side apparatus 100,
The image intensifer 150 is provided with the 7th input terminal 151 and the 5th output end 152, the 7th input terminal 151 and described the
The second output terminal 123 of one wavelength division multiplexer 120 couples, the 6th input of the 5th output end 152 and the optical splitter 140
141 coupling of end.
Image intensifer 150 is a kind of sub-system products amplified to optical signal, further, in the present embodiment, institute
State image intensifer 150 be fiber amplifier, the fiber amplifier be miniaturization, integrated fiber amplifier, can be further
Reduce the volume of the local side apparatus 100.
It is understood that wavelength shifter 110, the first wavelength division multiplexer 120, optical splitter 140 in the present embodiment and
Second wavelength division multiplexer 130 is identical with a upper embodiment, is not described in more detail here.
In this present embodiment, the OLT uplink that the wavelength shifter 110 will be received by the first input end 111
Signal is converted to the OLT uplink signal of preset wavelength, and is output to first wavelength-division multiplex by first output end 112
The third input terminal 122 of device 120, first wavelength division multiplexer 120 by the OLT uplink signal of the preset wavelength and
The vision signal received by second input terminal 121 /OLT uplink signal fusion generates the first composite signal, and passes through
The second output terminal 123 is output to the 7th input terminal 151 of the image intensifer 150, and the image intensifer 150 is by described
After the signal strength amplification of one composite signal, the 6th input terminal of the optical splitter 140 is output to by the 5th output end 152
141, first composite signal is resolved into the first composite signal of multichannel by the optical splitter 140, and passes through multiple described four
Output end 142 is output to the 4th input terminal 131 of corresponding second wavelength division multiplexer 130.Each second wavelength-division is multiple
Believed respectively by amplified first composite signal and by the received PON of the 5th input terminal 132 with device 130
After number fusion, the second composite signal is generated respectively, and respectively send second composite signal to by third output end 133
Each user terminal.
Local side apparatus 100 provided in an embodiment of the present invention, other than the effect that a upper embodiment may be implemented may be implemented,
Due to using image intensifer 150, the amplification of signal strength has been carried out in post synthesis by the signal come is transmitted through from central office, so that
The decrease that may be led to signal due to the loss of remote optical fiber, is enhanced here, is more advantageous to subsequent in the second wave
It is merged in division multiplexer 130 with PON signal, so that the signal after the integration of three networks is more clear, and due to using light
Fiber amplifier is further reduced the volume of the local side apparatus 100.
Fig. 5 shows a kind of 700 structural block diagram of three-network integration system of fifth embodiment of the invention offer.The present embodiment mentions
Supply a kind of three-network integration system 700 include: local side apparatus 100, PON signal output apparatus 200, third wavelength division multiplexer 300,
And central office equipment 400, the local side apparatus 100 respectively with the PON signal output apparatus 200 and the third wavelength-division
Multiplexer 300 connects.
The central office equipment 400 will be after vision signal/OLT uplink signal and the synthesis of OLT uplink signal for sending
Composite signal.
The third wavelength division multiplexer 300 is used to the composite signal received decompositing the vision signal/OLT uplink
Signal and the OLT uplink signal.
Further, the vision signal/OLT uplink signal wavelength is 1550nm.
The PON signal output apparatus 200 is used to send the local side apparatus 100 for PON signal.
The local side apparatus 100 for receiving the PON signal, the vision signal/OLT uplink signal and institute respectively
OLT uplink signal is stated, and the PON signal, the vision signal/OLT uplink signal and the OLT uplink signal are merged
After form the second composite signal, and send.
It is understood that the local side apparatus 100, which can be, includes but are not limited to what above-mentioned each embodiment provided
Local side apparatus 100.
Further, the system also includes subscriber terminal equipment 600, the local side apparatus 100 and the user terminals
Equipment 600 connects
Three-network integration system 700 provided in an embodiment of the present invention, due to using the local side apparatus 100, so that only needing
To use the local side apparatus 100 that can simply realize three in the case where not changing the network of current operator laying
Net fusion, and since the third wavelength division multiplexer 300 can decompose the composite signal that the central office equipment 400 is sent
The vision signal/OLT uplink signal and the OLT uplink signal out, so that being passed from central office toward the local side apparatus 100
Delivery signal only needs to greatly reduce the usage amount of optical fiber by an optical fiber.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
In addition, each functional module in each embodiment of the present invention can integrate one independent portion of formation together
Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. a kind of local side apparatus is applied to three-network integration system, which is characterized in that the equipment includes: wavelength shifter, first
Wavelength division multiplexer and the second wavelength division multiplexer, the wavelength shifter is provided with first input end and the first output end, described
First wavelength division multiplexer is provided with the second input terminal, third input terminal and second output terminal, the second wavelength division multiplexer setting
There are the 4th input terminal, the 5th input terminal and third output end, the first input end of the wavelength shifter is for receiving OLT uplink
Signal, the first output end of the wavelength shifter are coupled with the third input terminal of first wavelength division multiplexer, and described first
For second input terminal of wavelength division multiplexer for receiving vision signal/OLT uplink signal, the second of first wavelength division multiplexer is defeated
Outlet is coupled with the 4th input terminal of second wavelength division multiplexer, and the 5th input terminal of second wavelength division multiplexer is used for
Receive PON signal；
The wavelength shifter is used to the OLT uplink signal received by the first input end being converted to preset wavelength
OLT uplink signal, and it is output to by first output end third input terminal of first wavelength division multiplexer；
First wavelength division multiplexer is used to terminate by the OLT uplink signal of the preset wavelength and by second input
After the vision signal received /OLT uplink signal fusion, the first composite signal is generated, and be output to by the second output terminal
4th input terminal of second wavelength division multiplexer；
Second wavelength division multiplexer be used for will first composite signal and by the 5th input terminal it is received described in
After PON signal fused, the second composite signal is generated, second composite signal is sent by third output end；
The number of second wavelength division multiplexer be it is multiple, each second wavelength division multiplexer be provided with it is described 4th input
End, the 5th input terminal and third output end, the equipment further include optical splitter, and the optical splitter is provided with the 6th input terminal and more
A 4th output end, the second output terminal of first wavelength division multiplexer is coupled with the 6th input terminal of the optical splitter, multiple
4th output end is coupled with the 4th input terminal of corresponding second wavelength division multiplexer respectively,
The optical splitter is used to receive first composite signal by the 6th input terminal, and by first composite signal
The first composite signal of multichannel is resolved into, and is output to corresponding second wavelength division multiplexer by multiple 4th output ends
The 4th input terminal.
2. equipment according to claim 1, which is characterized in that the equipment further includes image intensifer, the image intensifer
It is provided with the 7th input terminal and the 5th output end, the second output terminal of the 7th input terminal and first wavelength division multiplexer
Coupling, the 5th output end are coupled with the 6th input terminal of the optical splitter.
3. equipment according to claim 2, which is characterized in that the image intensifer is fiber amplifier.
4. equipment according to any one of claim 1 or 2, which is characterized in that the optical splitter is fiber splitter.
5. equipment according to any one of claim 1 to 2, which is characterized in that first wavelength division multiplexer and/or institute
Stating the second wavelength division multiplexer is dense wave division multiplexer.
6. a kind of three-network integration system, which is characterized in that the system comprises: the office as described in any one of claims 1 to 5
End equipment, PON signal output apparatus, third wavelength division multiplexer and central office equipment, the local side apparatus respectively with it is described
PON signal output apparatus and third wavelength division multiplexer connection,
The central office equipment is used to send by the synthesis letter after vision signal/OLT uplink signal and the synthesis of OLT uplink signal
Number；
The third wavelength division multiplexer be used for by the composite signal received decomposite the vision signal/OLT uplink signal with
And the OLT uplink signal；
The PON signal output apparatus is used to send the local side apparatus for PON signal；
The local side apparatus for receiving the PON signal, the vision signal/OLT uplink signal and the OLT respectively
Row signal, and will be formed after the fusion of the PON signal, the vision signal/OLT uplink signal and the OLT uplink signal
Second composite signal, and send.
7. system according to claim 6, which is characterized in that the vision signal/OLT uplink signal wavelength is
1550nm。
8. system according to claim 6, which is characterized in that the system also includes subscriber terminal equipment, the local side
Equipment is connect with the subscriber terminal equipment.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271020A (en) * | 2011-07-25 | 2011-12-07 | 深圳朗光科技有限公司 | OLT (Optical Line Terminal) link module and passive optical network |
| CN103763161A (en) * | 2013-10-21 | 2014-04-30 | 华中科技大学 | Tri-network integration access module and control method thereof |
| CN104902353A (en) * | 2015-06-17 | 2015-09-09 | 武汉长光科技有限公司 | Ultra dense wavelength division access method and system based on all-optical wavelength conversion |
| CN206181038U (en) * | 2016-11-10 | 2017-05-17 | 成都必合科技有限公司 | Local side equipment and three nets fusion system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9699532B2 (en) * | 2013-03-15 | 2017-07-04 | Cox Communications, Inc. | Systems and methods of hybrid DWDM aggregation and extension for time division multiplexing passive optical networks |
| CN105721098B (en) * | 2016-01-29 | 2018-02-16 | 烽火通信科技股份有限公司 | The OLT in the symmetrical TWDM PON systems of high-speed transfer is realized with low speed optical device |
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2016
- 2016-11-10 CN CN201611006133.5A patent/CN106330319B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102271020A (en) * | 2011-07-25 | 2011-12-07 | 深圳朗光科技有限公司 | OLT (Optical Line Terminal) link module and passive optical network |
| CN103763161A (en) * | 2013-10-21 | 2014-04-30 | 华中科技大学 | Tri-network integration access module and control method thereof |
| CN104902353A (en) * | 2015-06-17 | 2015-09-09 | 武汉长光科技有限公司 | Ultra dense wavelength division access method and system based on all-optical wavelength conversion |
| CN206181038U (en) * | 2016-11-10 | 2017-05-17 | 成都必合科技有限公司 | Local side equipment and three nets fusion system |
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