CN105721096B - Business processing device and method for processing business - Google Patents
Business processing device and method for processing business Download PDFInfo
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- CN105721096B CN105721096B CN201410736771.7A CN201410736771A CN105721096B CN 105721096 B CN105721096 B CN 105721096B CN 201410736771 A CN201410736771 A CN 201410736771A CN 105721096 B CN105721096 B CN 105721096B
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- 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
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Abstract
The invention discloses a kind of business processing device and method for processing business, after optical receiver module, optical transmitter module and Service Processing Module are integrated to circuit board, so that the light pre-amplifier unit of optical receiver module corresponds to preposition amplification veneer (OPA), the channel-splitting filter of optical receiver module corresponds to light partial wave veneer (ODU)；The wave multiplexer of optical transmitter module corresponds to photosynthetic wave veneer (OMU), the optical power amplifying unit of optical transmitter module corresponds to the circuit board that power amplification veneer (OBA) service board corresponding with Service Processing Module is integrated into a stacked on top structure, only need the CPU element of service board that the control management to entire circuit board can be realized, so that communication is simple；And circuit board only needs one to intersect subrack with other service boards, the manufacturing cost of subrack the space occupied and terminal device is saved, convenient for the maintenance and management of cabinet.
Description
Technical field
The present invention relates to optical transport technology field more particularly to a kind of business processing devices and method for processing business.
Background technique
With the continuous development of information age broadband high-speed business, Modern Communication System proposes message capacity very high
It is required that.For light WDM technology as a kind of multiplex mode for improving message capacity in fiber optic communication, application is more and more extensive.
Existing dense wavelength division multiplexing system mainly includes optical convering unit, optical multiplexer, optical power amplifying unit, light
Fine main line, optical line amplifying unit, transmission fiber, light pre-amplifier unit, optical demultiplexer etc..It is formed for upper from veneer,
Need service access class veneer, including light repeat plate, data service aggregated plate etc.；Close partial wave class veneer, including photosynthetic wave veneer
(OMU), light partial wave veneer (ODU), optical add/drop multiplexer plate, optical wavelength option board etc.；Amplify class veneer, including preposition amplification veneer
(OPA), route amplification, power amplification veneer (OBA) etc.；And monitoring class veneer etc..Fibre-optical splice and fiber coupler equal part
Vertical device is relatively more, and furthermore every piece of veneer all at least needs a CPU control unit, for realizing control and the pipe to veneer
Reason.
Currently, the scale of wavelength-division network is increasing, network components are also more and more, and network construction form also becomes increasingly complex.
It generallys use transmission subrack and is completed with subrack is intersected, generally by preposition amplification veneer, power amplification veneer, light partial wave veneer, light
Multiplex veneer is arranged in 4 slot positions of transmission subrack, and multiple service boards are arranged in the slot position for intersecting subrack.Therefore, net
Veneer is more in member, causes network element internal communication complicated.
Summary of the invention
The main purpose of the present invention is to provide a kind of business processing device and method for processing business, it is intended to solve in network element
The complicated technical problem of portion's communication.
To achieve the above object, a kind of business processing device provided by the invention, the business processing device include subrack,
The subrack is equipped with the first slot and several second slots, is equipped with circuit board in first slot, in second slot
Equipped with service board；The circuit board includes optical transceiver module, Service Processing Module and link block, the link block connection
The optical transceiver module and the Service Processing Module, the link block are used for transmission the optical transceiver module and the business
Optical signal and electric signal between processing module；The optical transceiver module is also connect with the service board through optical fiber, the industry
Veneer be engaged in for controlling management to the circuit board.
Preferably, the optical transceiver module includes optical transmitter module, optical receiver module, wherein
Optical receiver module, for the business optical signal of the carrying monitoring optical signal in reception optical fiber main line, and amplify,
After filtering processing, it is sent to the Service Processing Module and is handled；Service Processing Module, for receiving optical receiver module transmission
Business optical signal, and be converted to the service signal of fixed rate, be sent to System Backplane interface；
Service Processing Module, is also used to receive the service signal of the fixed rate of System Backplane interface transmission, and is converted to
Business optical signal, is sent to optical transmitter module；Optical transmitter module, for receiving the business optical signal of Service Processing Module transmission,
And after amplifying, being filtered, it is sent in optical fiber main line.
Preferably, the Service Processing Module include back board service unit, rate conversion unit, PIC optical module unit with
And control module, wherein the PIC optical module unit is used to receive the business light letter of the different wave length of optical receiver module transmission
Number, and convert the business optical signal to the service signal of corresponding OTU2/OTU2e format, it is sent to rate conversion unit；Institute
After stating the service signal of OTU2/OTU2e format of the rate conversion unit for receiving the transmission of PIC optical module unit and conversion rate
It is sent to back board service unit, and extracts the overhead signal in the service signal, control module is inserted into and is detected；The back
The service signal that the service signal of the OTU2/OTU2e format received is packaged into ODUa format is sent to by plate business unit
System backplane interface.
Preferably, the back board service unit is also used to receive the business letter of the ODUa format of System Backplane interface transmission
Number, and the service signal that the service signal demapping is OTU2/OTU2e format is sent to rate conversion unit；The rate
Converting unit is also used to receive the service signal of the OTU2/OTU2e format of back board service unit transmission, and transmits after conversion rate
To PIC optical module unit, and the overhead signal in the service signal is extracted, is inserted into control module and is detected；The PIC light
Modular unit is also used to the service signal of the OTU2/OTU2e format of receiving velocity converting unit, and converts the service signal to
The business optical signal of respective wavelength, is sent to optical transmitter module.
Preferably, the control module includes for controlling inside the Service Processing Module at the service signal of each module
The CPU element of reason, the link block include mother daughter board connector and fiber unit, and the fiber unit is by PIC optical module and light
Receiving module, the connection of optical transmitter module optical fiber, are used for transmission business optical signal；One end of the mother daughter board connector and the CPU
Unit electrical connection, the other end are electrically connected with the optical transceiver module, and the mother daughter board connector is used for transmission the control of the CPU element
Signal processed is to optical transceiver module, so that the CPU element controls and drive the work of each module inside the optical transceiver module
Make.
To achieve the above object, a kind of method for processing business provided by the invention, this method are applied to business processing device,
The business processing device includes subrack, and the subrack is equipped with the first slot and several second slots, in first slot
Equipped with circuit board, service board is equipped in second slot；The circuit board include optical transceiver module, Service Processing Module and
Link block, the optical transceiver module are communicated to connect with the business module through the link block, the optical transceiver module with
The service board is connected through optical fiber, and the service board is used to control the circuit board and manage；The method for processing business
The following steps are included:
The business optical signal of carrying monitoring optical signal in optical transceiver module reception optical fiber main line, and by the business
Optical signal by the link block is sent to the Service Processing Module after amplifying, being filtered；
Business optical signal after the amplification, filtering processing is converted to the business of fixed rate by the Service Processing Module
Signal, and it is sent to System Backplane interface；
The Service Processing Module receives the service signal for the fixed rate that System Backplane interface is sent, and by the business
Signal is converted into after the business optical signal of respective wavelength and is sent to the optical transceiver module by the link block；
The optical transceiver module amplifies each business optical signal, filters, after multiplex processing, is sent to optical fiber main line
In.
Preferably, the optical transceiver module includes optical receiver module, the carrying monitoring light letter in the reception optical fiber main line
Number business optical signal, and institute is sent to by the link block after the business optical signal is amplified, is filtered
The step of stating Service Processing Module include:
The business optical signal of carrying monitoring optical signal in optical receiver module reception optical fiber main line, and will monitoring light letter
It number is separated with business optical signal；
The optical receiver module carries out power amplification to the business optical signal after separation；
The optical receiver module handles amplified business optical signal partial wave, is reduced to the business of corresponding different wave length
Optical signal is sent to the Service Processing Module by the link block.
Preferably, the Service Processing Module includes back board service unit, rate conversion unit, PIC optical module unit, institute
Stating link block includes mother daughter board connector and fiber unit, and the fiber unit is by PIC optical module and optical receiver module communication link
It connects；The business optical signal by after the amplification, filtering processing is converted to the service signal of fixed rate, and is sent to system
The step of backplane interface includes:
The business light for the different wave length that the PIC optical module unit receives the optical receiver module transmission through fiber unit is believed
Number, and convert the business optical signal to the service signal of corresponding OTU2/OTU2e format；
The rate conversion unit carries out rate conversion to the service signal of OTU2/OTU2e format and extracts overhead signal；
The service signal of OTU2/OTU2e format after carrying out rate conversion is packaged into ODUa by the back board service unit
After the service signal of format, it is sent to System Backplane interface.
Preferably, the optical transceiver module further includes optical transmitter module, the optical transmitter module and the PIC optical module list
Member is communicated to connect through fiber unit；The Service Processing Module receives the business letter for the fixed rate that System Backplane interface is sent
Number, and convert the service signal to after the business optical signal of respective wavelength and the light receipts are sent to by the link block
Send out module the step of include:
The back board service unit receives the service signal for the ODUa format that System Backplane interface is sent, and the business is believed
Number demapping is the service signal of OTU2/OTU2e format；
The rate conversion unit carries out rate conversion to the service signal of OTU2/OTU2e format and extracts overhead signal；
The service signal of the OTU2/OTU2e format after carrying out rate conversion is converted correspondence by the PIC optical module unit
The business optical signal of wavelength is transmitted to optical transmitter module through fiber unit.
Preferably, described that each business optical signal is amplified, is filtered, after multiplex processing, it is sent to the step on optical fiber main line
Suddenly include:
The optical transmitter module receives the business optical signal of the different wave length of PIC optical module unit transmission, and carries out multiplex
Processing；
Multiplex treated business optical signal is carried out power amplification processing by the optical transmitter module；
The optical transmitter module by after enhanced processing business optical signal and monitoring optical signal multiplex after be sent to optical fiber and do
Lu Zhong.
Business processing device and method for processing business provided by the present invention, by by optical receiver module, optical transmitter module
After integrating with Service Processing Module, so that the light pre-amplifier unit of optical receiver module corresponds to preposition amplification veneer (OPA), light is connect
The channel-splitting filter for receiving module corresponds to light partial wave veneer (ODU)；The wave multiplexer of optical transmitter module corresponds to photosynthetic wave veneer (OMU), light hair
The optical power amplifying unit for penetrating module corresponds to power amplification veneer (OBA) service board corresponding with Service Processing Module and is integrated into
The circuit board of one stacked on top structure only needs the CPU element of service board that the control management to entire circuit board can be realized,
So that communication is simple；And the veneer after integrating only needs one to intersect subrack with other service boards, saves subrack
The manufacturing cost of the space occupied and terminal device, convenient for the maintenance and management of cabinet.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of business processing device of the present invention；
Fig. 2 is the functional block diagram of an embodiment of circuit board in Fig. 1；
Fig. 3 is the functional block diagram of another embodiment of circuit board in Fig. 1；
Fig. 4 is the flow diagram of an embodiment of method for processing business of the present invention；
Fig. 5 is the refinement flow diagram of optical receiver module business processing in Fig. 4；
Fig. 6 is the refinement flow diagram of Service Processing Module business processing in Fig. 4；
Fig. 7 is the flow diagram of another embodiment of method for processing business of the present invention；
Fig. 8 is the refinement flow diagram of Service Processing Module business processing in Fig. 7；
Fig. 9 is the refinement flow diagram of optical transmitter module business processing in Fig. 7.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of business processing device.
Referring to Fig.1, Fig. 1 is the structural schematic diagram of an embodiment of business processing device of the present invention comprising subrack 100,
The subrack 100 is equipped with the first slot 110 and several second slots 120, is equipped with circuit board 200 in first slot 110,
Service board 300 is equipped in second slot 120；The circuit board 200 includes optical transceiver module, Service Processing Module and company
Connection module, the link block connect the optical transceiver module and the Service Processing Module, and the link block is used for transmission
Optical signal and electric signal between the optical transceiver module and the Service Processing Module；The optical transceiver module also with the industry
Business veneer 300 is connected through optical fiber.
In general, optical transceiver module includes optical transmitter module 230 and optical receiver module 210, wherein optical receiver module 210 wraps
Light pre-amplifier unit 211 and channel-splitting filter 212 are included, optical transmitter module 230 includes optical power amplifying unit 232 and wave multiplexer 231,
In the present embodiment, the corresponding preposition amplification veneer (OPA) of the light pre-amplifier unit 211 of optical receiver module 210, optical receiver module
210 channel-splitting filter 212 is corresponding light partial wave veneer (ODU)；The corresponding photosynthetic wave veneer of the wave multiplexer 231 of optical transmitter module 230
(OMU), the optical power amplifying unit 232 of optical transmitter module 230 is corresponding power amplification veneer (OBA)；Service Processing Module 220 is right
Answer a service board；After being integrated light transmitting-receiving with business processing by above-mentioned apparatus, thus by preposition amplification veneer, light partial wave list
Plate, photosynthetic wave veneer, power amplification veneer, service board integrate, and form the circuit board 200 of about one lamination, and
And only need a CPU element of the service board in circuit board 200 that the control management to entire circuit board 200 can be realized, make
The complexity and development difficulty for simply reducing entire optical transmission system design must be communicated, and improves the reliability of system；And
And circuit board 200 intersects subrack 100 with other need one of service board 300, saves 100 the space occupied of subrack
And the manufacturing cost of terminal device, convenient for the maintenance and management of cabinet.
It specifically, is the functional block diagram of circuit board 200 referring to Fig. 2, Fig. 2, which is in light-receiving road
In diameter:
In the present embodiment, optical receiver module 210, the business light for the carrying monitoring optical signal in reception optical fiber main line
Signal, and after amplifying, being filtered, it is sent to Service Processing Module 220 and is handled；
Service Processing Module 220 for receiving the business optical signal of the transmission of optical receiver module 210, and is converted to fixed speed
The service signal of rate is sent to System Backplane interface.
Specifically, which includes channel-splitting filter 212 and light pre-amplifier unit 211, light pre-amplifier unit
211 include the first OSC filter 213 and the first Er-doped fiber 214, when the main line optical signal in optical fiber main line is by optical receiver module
After 210 receive, there is the first OSC filter 213 to be filtered, monitoring optical signal is separated with business optical signal, and will divide
Power amplification is carried out from rear business optical signal transmission to the first Er-doped fiber 214, channel-splitting filter 212 is then transmit to, through channel-splitting filter
After the processing of 212 partial waves, business optical signal transmission to the PIC optical module unit 221 for being reduced into each specific wavelength carries out photoelectric conversion.
Specifically, Service Processing Module 220 includes back board service unit 223, rate conversion unit 222, PIC optical module list
Member 221 and control module 224, wherein
The photoelectric conversion port of the PIC optical module unit 221 receives the industry for the different wave length that optical receiver module 210 transmits
It is engaged in after optical signal, and converts the business optical signal to the service signal of corresponding OTU2/OTU2e format, be sent to rate and turn
Change unit 222；At this point, the transmission rate of the service signal of the OTU2/OTU2e format is 10.7Gb/s；The 10.7Gb/s's
The service signal of OTU2/OTU2e format is transmitted to rate conversion unit 222 and carries out rate conversion, due to handling road in light-receiving
In diameter, the signal all the way that rate conversion unit 222 inputs corresponds to the two paths of signals of its output, therefore, the OTU2/OTU2e format
Service signal transmission rate relatively will reduce to 1/2, become the service signal of the OTU2/OTU2e format of 5.35Gb/s；
Also, rate conversion unit 222 also carries out overhead extraction to the service signal of this OTU2/OTU2e format, and the expense of extraction is believed
Number it is transmitted to control module 224, control module 224 monitors the accuracy of the service signal according to overhead signal.The rate turns
The service signal for changing unit 222 treated OTU2/OTU2e format is transmitted to back board service unit 223, back board service unit
The service signal that the service signal of the OTU2/OTU2e format received is packaged into ODUa format is sent to System Backplane by 223 to be connect
Mouthful.
Further, which further includes link block, and link block connects at the optical transceiver module and the business
Module is managed, the link block is used for transmission optical signal and telecommunications between the optical transceiver module and the Service Processing Module
Number.
Specifically, the control module includes for controlling inside the Service Processing Module at the service signal of each module
The CPU element of reason, the link block include mother daughter board connector and fiber unit, and the fiber unit is by PIC optical module and light
Receiving module, the connection of optical transmitter module optical fiber, specifically by the fiber unit by PIC optical module unit 221 and optical receiver module
210 channel-splitting filter 212, the connection of 230 wave multiplexer 231 of optical transmitter module, are used for transmission business optical signal；The mother daughter board connector
One end is electrically connected with the CPU element, and the other end is electrically connected with the optical transceiver module, and the mother daughter board connector is used for transmission institute
The control signal of CPU element is stated to optical transceiver module, specifically, the mother daughter board connector includes cpu bus port, power end
CPU element and optical receiver module 210, optical transmitter module 230, are electrically connected by mouth, the port I/O by above-mentioned port, so that
The CPU element of Service Processing Module 220 is communicated with optical receiver module 210, optical transmitter module 230, and then passes through the CPU element
The work of each module inside the optical transceiver module is controlled and driven, is realized to optical receiver module 210 and optical transmitter module 230
Configuration and administration feature.
It further, is the functional block diagram of another embodiment of circuit board 200, the circuit board 200 referring to Fig. 3, Fig. 3
In light-receiving path:
In the present embodiment, Service Processing Module 220 are also used to receive the industry of the fixed rate of System Backplane interface transmission
Business signal, and business optical signal is converted to, it is sent to optical transmitter module 230；
Optical transmitter module 230 for receiving the business optical signal of the transmission of Service Processing Module 220, and is amplified, is filtered
After processing, it is sent in optical fiber main line.
Specifically, the back board service unit 223 of Service Processing Module 220 receives the ODUa format that System Backplane interface is sent
Service signal, and by the service signal demapping be OTU2/OTU2e format service signal be sent to rate conversion unit
222；At this point, the transmission rate of the service signal of the OTU2/OTU2e format is 5.35Gb/s, then by the industry of the 5.35Gb/s
Business signal is transmitted to rate conversion unit 222, rate conversion process is carried out by rate conversion unit 222, due at light emitting
In line of reasoning diameter, the two paths of signals that rate conversion unit 222 inputs corresponds to the signal all the way of its output, therefore, the OTU2/OTU2e
The transmission rate of the service signal of format will relatively increase by 1 times, become 10.7Gb/s；And through-rate converting unit 222
After extracting to the overhead signal of the service signal of OTU2/OTU2e format, it is sent to control module 224, control module 224
The accuracy of the service signal is monitored according to overhead signal.The service signal of the OTU2/OTU2e format of this 10.7Gb/s is transmitted to
PIC optical module unit 221 carries out electro-optic conversion to it by the electro-optic conversion port of PIC optical module unit 221, is converted into corresponding
The business optical signal of wavelength is exported to optical transmitter module 230.
Specifically, optical transmitter module 230 includes wave multiplexer 231 and optical power amplifying unit 232, and the wave multiplexer 231 is used
Multiplex processing is carried out in the business optical signal for the different wave length for sending Service Processing Module 220, it is single to be transmitted to optical power amplification
Member 232 carries out power amplification processing, and the optical power amplifying unit 232 includes the second Er-doped fiber 233 and the 2nd OSC filter
234, second Er-doped fiber 233 is used to business optical signal carrying out power amplification processing, and the 2nd OSC filter 234 is used for
It is used as main line light output into optical fiber main line by the business optical signal after enhanced processing and after monitoring optical signal multiplex.
The present invention also provides a kind of method for processing business, which is applied to business processing device, the dress
It sets including subrack, the subrack is equipped with the first slot and several second slots, and circuit board is equipped in first slot, described
Service board is equipped in second slot；The circuit board includes optical transceiver module, Service Processing Module and link block, the light
Transceiver module is communicated to connect with the business module through the link block, and the optical transceiver module and the service board are through light
Fibre connection；The optical transceiver module includes optical receiver module and optical receiver module；The Service Processing Module includes back board service
Unit, rate conversion unit, PIC optical module unit, the link block include mother daughter board connector and fiber unit, the optical fiber
Unit communicates to connect PIC optical module and optical receiver module, optical transmitter module；
Referring to Fig. 4, Fig. 4 is the flow diagram of an embodiment of method for processing business of the present invention, and this method is light-receiving
The method for processing business in path comprising following steps:
Step S10, the business optical signal of the carrying monitoring optical signal in optical transceiver module reception optical fiber main line, and will be described
Business optical signal by the link block is sent to the Service Processing Module after amplifying, being filtered；
It specifically, is the refinement flow diagram of optical receiver module business processing in Fig. 4, step S10 referring to Fig. 5, Fig. 5
It specifically includes:
Step S101, the business optical signal of the carrying monitoring optical signal in optical receiver module reception optical fiber main line, and will prison
Control optical signal is separated with business optical signal；
Step S102, optical receiver module carry out power amplification to the business optical signal after separation；
Step S103, optical receiver module handle amplified business optical signal partial wave, are reduced to corresponding different wave length
Business optical signal the Service Processing Module is sent to by the link block.
In the present embodiment, the business optical signal of optical signal is monitored by the carrying in optical receiver module reception optical fiber main line,
The received optical signal of this optical receiver module is main line optical signal, after which enters optical receiver module, through light-receiving mould
The light pre-amplifier unit of block carries out power amplification processing；Specifically included in the light pre-amplifier unit the first OSC filter with
First Er-doped fiber, since Service Processing Module is only handled business optical signal, the first OSC filter believes the main line light
Monitoring optical signal in number is filtered with business optical signal to be separated, by the business optical signal transmission separated to the first er-doped
Optical fiber amplifies, the business optical signal transmission after enhanced processing to channel-splitting filter, is believed this amplified business light by channel-splitting filter
The business optical signal for number being reduced into corresponding different wave length is exported to the photoelectric conversion of the PIC optical module unit of Service Processing Module
Port.
Specifically, the output end of the photoelectric conversion port of PIC optical module unit and channel-splitting filter is connected by optical fiber.
Business optical signal after the amplification, filtering processing is converted to fixed rate by step S11, Service Processing Module
Service signal, and it is sent to System Backplane interface.
It specifically, is the refinement flow diagram of Service Processing Module business processing in Fig. 4, the step referring to Fig. 6, Fig. 6
S11 is specifically included:
Step S111, PIC optical module unit receives the industry of the different wave length of the optical receiver module transmission through fiber unit
It is engaged in optical signal, and converts the business optical signal to the service signal of corresponding OTU2/OTU2e format；
Step S112, rate conversion unit carry out rate conversion to the service signal of OTU2/OTU2e format and extract expense
Signal；
The service signal of OTU2/OTU2e format after carrying out rate conversion is packaged by step S113, back board service unit
After the service signal of ODUa format, it is sent to System Backplane interface.
In the present embodiment, input of the business optical signal of the different wave length of channel-splitting filter output as PIC optical module unit
Light carries out conversion process into Service Processing Module.The photoelectric conversion port of PIC optical module unit is by the business of the different wave length
Optical signal is converted to the service signal of OTU2/OTU2e format, at this point, the transmission speed of the service signal of the OTU2/OTU2e format
Rate is 10.7Gb/s；The service signal of the OTU2/OTU2e format of the 10.7Gb/s is transmitted to rate conversion unit and carries out rate turn
It changes, since in light-receiving processing path, the signal all the way of rate conversion unit input corresponds to the two paths of signals of its output, because
This, the transmission rate of the service signal of the OTU2/OTU2e format will relatively be reduced to 1/2, become the OTU2/ of 5.35Gb/s
The service signal of OTU2e format；Also, rate conversion unit also carries out expense to the service signal of this OTU2/OTU2e format and mentions
It takes, by the overhead signaling transmission of extraction to control module, control module monitors the accuracy of the service signal according to overhead signal.
After the service signal of the OTU2/OTU2e format of this 5.35Gb/s is sent to back board service unit, by back board service unit by the industry
Business signal assemble is that the service signal of ODUa format is sent to System Backplane interface.
It is the flow diagram of the another embodiment of method for processing business of the present invention referring to Fig. 7, Fig. 7, this method is light hair
The industry processing method of rays diameter comprising following steps:
Step S20, Service Processing Module receive the service signal for the fixed rate that System Backplane interface is sent, and will be described
Service signal is converted into after the business optical signal of respective wavelength and is sent to the optical transceiver module by the link block；
It specifically, is the refinement flow diagram of Service Processing Module business processing in Fig. 7, the step referring to Fig. 8, Fig. 8
S20 is specifically included:
Step S201, back board service unit receive the service signal for the ODUa format that System Backplane interface is sent, and should
Service signal demapping is the service signal of OTU2/OTU2e format；
Step S202, rate conversion unit carry out rate conversion to the service signal of OTU2/OTU2e format and extract expense
Signal；
Step S203, PIC optical module unit converts the service signal of the OTU2/OTU2e format after carrying out rate conversion
Optical transmitter module is transmitted to through fiber unit for the business optical signal of corresponding wavelength.
In the present embodiment, Service Processing Module receives the service signal for the ODUa format that System Backplane interface is sent, and passes
After transporting to back board service unit, the service signal of the ODUa format is de-mapping to OTU2/OTU2e format through back board service unit
Service signal, at this point, the transmission rate of the service signal of the OTU2/OTU2e format be 5.35Gb/s, then should
The service signal of 5.35Gb/s is transmitted to rate conversion unit, rate conversion process is carried out by rate conversion unit, due in light
Emit in processing path, the two paths of signals of rate conversion unit input corresponds to the signal all the way of its output, therefore, the OTU2/
The transmission rate of the service signal of OTU2e format will relatively increase by 1 times, become 10.7Gb/s；And through-rate conversion is single
After member extracts the overhead signal of the service signal of OTU2/OTU2e format, be sent to control module, control module according to
Overhead signal monitors the accuracy of the service signal.The service signal of the OTU2/OTU2e format of this 10.7Gb/s is transmitted to PIC
Optical module unit carries out electro-optic conversion to it by the electro-optic conversion port of PIC optical module unit, is converted into the business of respective wavelength
Optical signal is exported to optical transmitter module.
Step S21, optical transceiver module amplify each business optical signal, filter, after multiplex processing, and it is dry to be sent to optical fiber
Lu Zhong.
It specifically, is the refinement flow diagram of optical transmitter module business processing in Fig. 7, step S21 referring to Fig. 9, Fig. 9
It specifically includes:
Step S211, optical transmitter module receive the business optical signal of the different wave length of PIC optical module unit transmission, and carry out
Multiplex processing；
Multiplex treated business optical signal is carried out power amplification processing by step S212, optical transmitter module；
Step S213, optical transmitter module are sent to light by the business optical signal after enhanced processing and after monitoring optical signal multiplex
In fine main line.
In the present embodiment, the optical signal transmission of the specific wavelength of PIC optical module unit output is to optical transmitter module, this
When, the business optical signal of different wave length is carried out multiplex processing, is blended into optical signal all the way, passed by the wave multiplexer of optical transmitter module
It transports to optical power amplifying unit and carries out power amplification processing；The optical power amplifying unit includes that the 2nd OSC filter and second are mixed
Erbium optical fiber carries out power amplification by the second Er-doped fiber first, will monitor optical signal and enhanced processing by the 2nd OSC filter
It is sent in fiber line after business optical signal multiplex afterwards as main line light.
In general, the light pre-amplifier unit of optical receiver module corresponds to preposition amplification veneer (OPA), the partial wave of optical receiver module
Device corresponds to light partial wave veneer (ODU)；The wave multiplexer of optical transmitter module corresponds to photosynthetic wave veneer (OMU), the light function of optical transmitter module
Rate amplifying unit corresponds to power amplification veneer (OBA)；Service Processing Module corresponds to service board；Light is received and dispatched by the above method
After being integrated with business processing, thus by preposition amplification veneer, light partial wave veneer, photosynthetic wave veneer, power amplification veneer, business sheet
Plate integrates, and after integrating, only needs the CPU element of service board that the control management to entire circuit board can be realized, so that
Communication is simple；And the veneer after integrating only needs one to intersect subrack with other service boards, saves subrack occupancy
Space and terminal device manufacturing cost, convenient for the maintenance and management of cabinet.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (7)
1. a kind of business processing device, which is characterized in that the business processing device includes subrack, and the subrack is equipped with first
Slot and several second slots are equipped with circuit board in first slot, are equipped with service board in second slot；The collection
It include optical transceiver module, Service Processing Module and link block at plate, the link block connects the optical transceiver module and institute
Service Processing Module is stated, the link block is used for transmission the letter of the light between the optical transceiver module and the Service Processing Module
Number and electric signal；The optical transceiver module is also connect with the service board through optical fiber, and the service board is used for the collection
It controls and manages at plate；
The optical transceiver module includes optical receiver module, wherein
Optical receiver module for the business optical signal of the carrying monitoring optical signal in reception optical fiber main line, and is amplified, is filtered
After processing, it is sent to the Service Processing Module and is handled；Service Processing Module, for receiving the industry of optical receiver module transmission
Business optical signal, and the service signal of fixed rate is converted to, it is sent to System Backplane interface；
The Service Processing Module further includes back board service unit, rate conversion unit, PIC optical module unit and control mould
Block, wherein
The PIC optical module unit is used to receive the business optical signal of the different wave length of optical receiver module transmission, and by the business
Optical signal is converted into the service signal of corresponding OTU2/OTU2e format, is sent to rate conversion unit；The rate conversion is single
Backboard industry is sent to after the service signal and conversion rate of OTU2/OTU2e format of the member for receiving the transmission of PIC optical module unit
Business unit, and the overhead signal in the service signal is extracted, it is inserted into control module and is detected；The back board service unit will
The service signal that the service signal of the OTU2/OTU2e format received is packaged into ODUa format is sent to System Backplane interface.
2. business processing device as described in claim 1, which is characterized in that the optical transceiver module further includes light emitting mould
Block, wherein
Service Processing Module, is also used to receive the service signal of the fixed rate of System Backplane interface transmission, and is converted to business
Optical signal is sent to optical transmitter module；Optical transmitter module is gone forward side by side for receiving the business optical signal of Service Processing Module transmission
After row amplification, filtering processing, it is sent in optical fiber main line.
3. business processing device as claimed in claim 2, which is characterized in that the back board service unit is also used to receive system
The service signal for the ODUa format that backplane interface is sent, and the business that the service signal demapping is OTU2/OTU2e format is believed
Number it is sent to rate conversion unit；The rate conversion unit is also used to receive the OTU2/OTU2e lattice of back board service unit transmission
The service signal of formula, and PIC optical module unit is sent to after conversion rate, and extract the overhead signal in the service signal, it inserts
Enter to control module and is detected；The PIC optical module unit is also used to the OTU2/OTU2e format of receiving velocity converting unit
Service signal, and convert the service signal to the business optical signal of respective wavelength, be sent to optical transmitter module.
4. business processing device as claimed in claim 3, which is characterized in that the control module includes for controlling the industry
The CPU element of the service signal processing of each module inside processing module of being engaged in, the link block includes mother daughter board connector and optical fiber
PIC optical module is connect by unit, the fiber unit with optical receiver module, optical transmitter module optical fiber, is used for transmission business light letter
Number；One end of the mother daughter board connector is electrically connected with the CPU element, and the other end is electrically connected with the optical transceiver module, described
Mother daughter board connector is used for transmission the control signal of the CPU element to optical transceiver module so that CPU element control and
Drive the work of each module inside the optical transceiver module.
5. a kind of method for processing business is applied to business processing device, which is characterized in that the business processing device includes son
Frame, the subrack are equipped with the first slot and several second slots, are equipped with circuit board, second slot in first slot
In be equipped with service board；The circuit board includes optical transceiver module, Service Processing Module and link block, the optical transceiver module
It being communicated to connect with the business module through the link block, the optical transceiver module is connect with the service board through optical fiber,
The service board is used to control the circuit board and manage, and the optical transceiver module includes optical receiver module, at the business
Managing module includes back board service unit, rate conversion unit, PIC optical module unit, and the link block includes mother daughter board connector
And fiber unit, the fiber unit communicate to connect PIC optical module and optical receiver module；
The method for processing business the following steps are included:
The business optical signal of carrying monitoring optical signal in optical transceiver module reception optical fiber main line, and the business light is believed
The Service Processing Module is sent to by the link block after number amplifying, be filtered；
The Service Processing Module believes the business that the business optical signal after the amplification, filtering processing is converted to fixed rate
Number, and it is sent to System Backplane interface；
The Service Processing Module receives the service signal for the fixed rate that System Backplane interface is sent, and by the service signal
It is converted into after the business optical signal of respective wavelength and the optical transceiver module is sent to by the link block；
The optical transceiver module amplifies each business optical signal, filters, after multiplex processing, is sent in optical fiber main line；
The business optical signal of carrying monitoring optical signal in the reception optical fiber main line, and the business optical signal is put
Greatly, the step of being sent to the Service Processing Module by the link block, includes: after being filtered
In optical receiver module reception optical fiber main line carrying monitoring optical signal business optical signal, and will monitoring optical signal with
Business optical signal is separated；
The optical receiver module carries out power amplification to the business optical signal after separation；
The optical receiver module handles amplified business optical signal partial wave, is reduced to the business light letter of corresponding different wave length
Number the Service Processing Module is sent to by the link block；
The business optical signal by after the amplification, filtering processing is converted to the service signal of fixed rate, and is sent to and is
Unite backplane interface the step of include:
The PIC optical module unit receives the business optical signal of the different wave length of the optical receiver module transmission through fiber unit,
And convert the business optical signal to the service signal of corresponding OTU2/OTU2e format；
The rate conversion unit carries out rate conversion to the service signal of OTU2/OTU2e format and extracts overhead signal；
The service signal of OTU2/OTU2e format after carrying out rate conversion is packaged into ODUa format by the back board service unit
Service signal after, be sent to System Backplane interface.
6. method for processing business as claimed in claim 5, which is characterized in that the optical transceiver module further includes light emitting mould
Block, the optical transmitter module are communicated to connect with the PIC optical module unit through fiber unit；The Service Processing Module receives system
The service signal for the fixed rate that backplane interface of uniting is sent, and convert the service signal to the business optical signal of respective wavelength
The step of being sent to the optical transceiver module by the link block afterwards include:
The back board service unit receives the service signal for the ODUa format that System Backplane interface is sent, and by the service signal solution
It is mapped as the service signal of OTU2/OTU2e format；
The rate conversion unit carries out rate conversion to the service signal of OTU2/OTU2e format and extracts overhead signal；
The service signal of the OTU2/OTU2e format after carrying out rate conversion is converted corresponding wavelength by the PIC optical module unit
Business optical signal be transmitted to optical transmitter module through fiber unit.
7. method for processing business as claimed in claim 6, which is characterized in that described to amplify, filter to each business optical signal
After wave, multiplex processing, the step of being sent to optical fiber main line, includes:
The optical transmitter module receives the business optical signal of the different wave length of PIC optical module unit transmission, and carries out multiplex processing；
Multiplex treated business optical signal is carried out power amplification processing by the optical transmitter module；
The optical transmitter module is sent in optical fiber main line by the business optical signal after enhanced processing and after monitoring optical signal multiplex.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736771.7A CN105721096B (en) | 2014-12-05 | 2014-12-05 | Business processing device and method for processing business |
| PCT/CN2015/090181 WO2016086706A1 (en) | 2014-12-05 | 2015-09-21 | Service processing apparatus and service processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410736771.7A CN105721096B (en) | 2014-12-05 | 2014-12-05 | Business processing device and method for processing business |
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| Publication Number | Publication Date |
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| CN105721096A CN105721096A (en) | 2016-06-29 |
| CN105721096B true CN105721096B (en) | 2019-04-26 |
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| CN201410736771.7A Active CN105721096B (en) | 2014-12-05 | 2014-12-05 | Business processing device and method for processing business |
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| WO (1) | WO2016086706A1 (en) |
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| CN108631881B (en) * | 2017-03-24 | 2023-11-07 | 中兴通讯股份有限公司 | Coherent light device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805235Y (en) * | 2005-06-08 | 2006-08-09 | 中兴通讯股份有限公司 | Device for processing data business in multiple business transmission platform |
| CN101030831A (en) * | 2007-03-19 | 2007-09-05 | 华为技术有限公司 | Apparatus for wavelength division multiplexing and method for realizing its function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7376125B1 (en) * | 2002-06-04 | 2008-05-20 | Fortinet, Inc. | Service processing switch |
| US7570844B2 (en) * | 2005-01-18 | 2009-08-04 | Doron Handelman | Photonic integrated circuit device and elements thereof |
| CN102420651A (en) * | 2011-08-31 | 2012-04-18 | 天津七所信息技术有限公司 | Comprehensive service optical-transmission platform |
| CN102572620A (en) * | 2012-02-02 | 2012-07-11 | 中兴通讯股份有限公司 | Optical module and optical wave multiplexing system |
-
2014
- 2014-12-05 CN CN201410736771.7A patent/CN105721096B/en active Active
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805235Y (en) * | 2005-06-08 | 2006-08-09 | 中兴通讯股份有限公司 | Device for processing data business in multiple business transmission platform |
| CN101030831A (en) * | 2007-03-19 | 2007-09-05 | 华为技术有限公司 | Apparatus for wavelength division multiplexing and method for realizing its function |
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| WO2016086706A1 (en) | 2016-06-09 |
| CN105721096A (en) | 2016-06-29 |
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