CN107888290A - A kind of GPON signals polymerization remote device and its polymerization remote method - Google Patents
A kind of GPON signals polymerization remote device and its polymerization remote method Download PDFInfo
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- CN107888290A CN107888290A CN201711237746.4A CN201711237746A CN107888290A CN 107888290 A CN107888290 A CN 107888290A CN 201711237746 A CN201711237746 A CN 201711237746A CN 107888290 A CN107888290 A CN 107888290A
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- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 217
- 239000013307 optical fiber Substances 0.000 claims abstract description 24
- 230000008054 signal transmission Effects 0.000 claims abstract description 16
- 238000007726 management method Methods 0.000 claims abstract description 10
- 238000003860 storage Methods 0.000 claims description 20
- 210000005069 ears Anatomy 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 101100341026 Caenorhabditis elegans inx-2 gene Proteins 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 230000003362 replicative effect Effects 0.000 claims description 4
- 238000011982 device technology Methods 0.000 claims description 3
- 101100462419 Homo sapiens OTUB2 gene Proteins 0.000 claims 2
- 101150046103 OTU2 gene Proteins 0.000 claims 2
- 102100025914 Ubiquitin thioesterase OTUB2 Human genes 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
Classifications
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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
- 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
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0003—Details
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- 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
- H04Q11/0062—Network aspects
- H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
-
- 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
- H04Q11/0062—Network aspects
- H04Q11/0071—Provisions for the electrical-optical layer interface
Abstract
The invention discloses a kind of GPON signals polymerization remote device and its polymerization remote method.For convenience of maintenance, optical line terminal is often concentrated and is placed into operator room.This can cause to decay seriously during GPON optical signal transmissions.A kind of GPON signals polymerization remote device of the present invention includes local side apparatus and remote equipment.Local side apparatus and remote equipment include electric power system, management module, memory module, optical interface module, business module, clock module and fan.When remote equipment only has one, the optical fiber interface of the first optical module is connected with the optical fiber interface of the optical module of remote equipment first in local side apparatus.When remote equipment has n, the input port of the optical fiber interface of the first optical module and wavelength division multiplexer connects in local side apparatus.N delivery outlet of wavelength division multiplexer is connected respectively with n remote equipment.The present invention considerably increases the transmission range of GPON optical signals in the case of by optical line terminal concentrated setting.
Description
Technical field
The invention belongs to Ethernet passive optical network technical field, and in particular to a kind of GPON signals polymerization remote device and
It polymerize remote method.
Background technology
GPON(Gigabit Passive Optical Network：Gigabit passive optical network) it is a kind of point-to-points
The access technology of point, because of its low cost, safeguard that the factor such as easy plays very important angle in the construction of last one kilometer
Color.But reason limits that its laying and is used on a large scale as well as its transmission range is short, coverage is small etc..
At present in GPON optical signals long-distance transmissions layout on the market, mainly there are following two modes：1st, by optical link
Terminal (OLT, Optical Line Termination) sinking dispersed placement is to each small-sized user's computer room.The light of which
Line terminal is relatively scattered, causes plant maintenance inconvenience and cost is higher.2nd, optical line terminal is concentrated and is placed into operator room.
Which decays when optical line terminal transmits GPON optical signals to optical network unit (ONU, Optical Network Unit)
It is more serious.Therefore, designing one kind can be arranged in optical line terminal concentration at operator, seriously be damaged without producing optical signal
The GPON signals polymerization extension apparatus of consumption is particularly significant.
The content of the invention
It is an object of the invention to provide a kind of GPON signals polymerization remote device and its polymerization remote method.
The present invention includes local side apparatus and remote equipment.Described local side apparatus and remote equipment include electric power system,
Management module, memory module, optical interface module, business module, clock module and fan.Described electric power system is management mould
Block, memory module, optical interface module, business module and clock module for power supply.Described clock module includes clock chip.It is described
The input clock pin and two GPIO interfaces of output clock pins and business module of clock chip are respectively connected with.
Described management module includes first processor and second processor.Described memory module includes the first storage core
Piece and the second storage chip.First processor, second processor and business module are between any two with passing through SPI
Bus is communicated.Second processor is communicated with the first storage chip by SPI bus.First processor
Communicated with the second storage chip by internal integrated circuit bus.First GPIO interface of second processor and turning for fan
Fast delivery outlet connection.Second GPIO interface of second processor and the speed control input port of fan connect.
Described optical interface module includes the first optical module and four the second optical modules.Business module and the first optical module and
Four the second optical modules are communicated by internal integrated circuit bus.In local side apparatus, five of the business module
GTX interfaces are connected respectively with the electric signal output mouth of the first optical module, the electric signal input port of four the second optical modules.In distal end
In equipment, the electric signal of five GTX interfaces of business module and the electric signal input port of the first optical mode, four the second optical modules is defeated
Outlet connects respectively.
When remote equipment only has one, the optical fiber interface of the first optical module and the optical mode of remote equipment first in local side apparatus
The optical fiber interface connection of block.When remote equipment has n, n >=2, the optical fiber interface of the first optical module and wavelength-division in local side apparatus
The input port connection of multiplexer.The optical fiber interface of n delivery outlet of wavelength division multiplexer and the n optical module of remote equipment first is distinguished
Connection.
Further, described local side apparatus is arranged at operator.The optical fiber of four the second optical modules in local side apparatus
Interface is respectively connected with four output optical fibres.Four output optical fibres are connected with optical line terminal.Described remote equipment is set
In the fiber cable cross connection box or computer room of user terminal.The optical fiber interface of four the second optical modules and four optical splitters is defeated in remote equipment
Entrance is respectively connected with.The delivery outlet of four optical splitters is connected with multiple optical network units.
Further, the first described storage chip uses the W25Q128FVSG chips of Winbond companies production.It is described
The second storage chip use atmel corp production AT24C16 chips.
Further, the model ZB7784099-DCL of first optical module.Second optical module in the local side apparatus
Model ZP5342034-KCST.The model ZP5432043-JCS of second optical module in the remote equipment.
Further, described clock module also includes crystal oscillator.Described crystal oscillator is connected with clock chip.Described clock
Chip uses the 8T49N488A chips of Integrated Device Technology, Inc.'s production.
Further, the business chip for the model XC7K325T that described business module is produced using Xilinx companies.
Further, described first processor uses model STM32F107 single-chip microcomputer.Described second processor
The EP4CE6 chips produced using altera corp.
Further, described electric power system includes switch power module and power supply chip.The switch power module
3.3V voltage output ends are connected with the 3.3V power supply interfaces of first processor, second processor and business module.Switching Power Supply mould
The 1.0V voltage output ends of block and the 1.0V feeder ears of business module connect.The 2.5V voltage output ends of the power supply chip and when
The 2.5V feeder ears connection of clock chip, second processor and business module.The 1.8V voltage output ends of power supply chip and business mould
The 1.8V feeder ears connection of block.The 1.2V voltage output ends of power supply chip and second processor and the 1.2V feeder ears of business module
Connection.The 1.0V voltage output ends of power supply chip and the 1.0V feeder ears of business module connect.Described switch power module and
Power supply chip is communicated with second processor by internal integrated circuit bus.
Further, described switch power module uses the model NAD12S10-A of Huawei Tech Co., Ltd's production
Unisolated switch power module.The power supply core for the model MP1484EN that power supply chip is produced using Xin Yuan System Co., Ltd
Piece.
The polymerization remote method of GPON signals polymerization remote device is specific as follows：
Step 1：Four input GPON optical signals are converted into four first electricity by four the second optical modules in local side apparatus
Signal, and by four the first electric signal transmissions to business module.Business module extracts first respectively from four the first electric signals
Clock signal is simultaneously transferred to clock chip.Clock chip will be transferred to business after receive four the first clock signal Key ditherings
Module.Business module is by four the first electric signals with receiving together with four the first clock signals are respectively integrated at.
Step 2：Four the first electric signals of tunnel are encapsulated into the second electric signal all the way by the business module of local side apparatus.
1st, four the first electric signals obtained by step 1 are each mapped to four first in a manner of constant bit-rate
OPU1 signals.
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, divide in four the first OPU1 signals
Do not increase overhead byte, obtain four the first ODU1 signals.
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the first ODU1 signals are distinguished
It is mapped as four the first ODTU12 signals.
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the first ODTU12 signals are answered
With for a first ODTUG2 signal.
5th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the first ODTUG2 signals are mapped as
First OPU2 signals.The first OPU2 signals are mapped as the first ODU2 signals again.Then the first ODU2 signals are mapped as first
OTU2 signals.First OTU2 signals are as the second electric signal.Business module gives the second electric signal transmission to the first optical module.
Step 3：The second electric signal received is converted into OTN optical signals by the first optical module in local side apparatus.It is if remote
End equipment only has one, then the first optical module in local side apparatus by OTN optical signal transmissions to the first optical mode in remote equipment
Block.If remote equipment has n, the first optical module in local side apparatus is by OTN optical signal transmissions to wavelength division multiplexer.Wavelength-division is answered
With device by the OTN optical signal replicatings received be n after be transferred to the first optical module in n remote equipment respectively.
Step 4: the OTN optical signals received are converted into the 3rd electric signal and passed by the first optical module in remote equipment
It is defeated by business module.Business module in remote equipment extracts second clock signal from the 3rd electric signal and is transferred to clock core
Piece.Clock chip will be transferred to business module after the second clock signal Key dithering received.Business module is by the 3rd electric signal
Combined with receiving clock signal.
Step 5: the business module of remote equipment will be split as the electric signal of four tunnel the 4th by the 3rd electric signal all the way.
1st, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, by the 3rd telecommunications obtained by step 4
Number it is mapped as the 2nd ODU2 signals.The 2nd ODU2 signals are mapped as the 2nd OPU2 signals again.Then the 2nd OPU2 signals are reflected
Penetrate as the 2nd ODTUG2 signals.
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the 2nd ODTUG2 signals are split as
Four the 2nd ODTU12 signals.
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, by four the 2nd ODTU12 signals point
Four the 2nd ODU1 signals are not mapped as.
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, in four the 2nd ODU1 signals
Overhead byte is left out, and obtains four the 2nd OPU1 signals.
5th, four the 2nd OPU1 signals are each mapped to four the 4th electric signals in a manner of constant bit-rate.Business mould
Four the 4th electric signals are transferred to four the second optical modules by block respectively.
Step 6: four the 4th electric signals are separately converted to four outputs by four the second optical modules in remote equipment
GPON optical signals simultaneously export.
The invention has the advantages that：
1st, the present invention considerably increases the transmission distance of GPON optical signals in the case of by optical line terminal concentrated setting
From.
2nd, four GPON optical signals can be aggregated in an OTN optical signal by the present invention, improve optical signal transmission away from
From while, also greatly reduce the number of fibers needed for optical signal transmission, reduce transmission cost.
3rd, the signal replication of the invention by wavelength division multiplexer, can be that a local side apparatus corresponds to multiple remote equipments,
The coverage of the present invention is further increased, enhances practicality.
Brief description of the drawings
Fig. 1 is the system block diagram of local side apparatus or remote equipment in the present invention；
Fig. 2 is management module and outside connection block diagram in the present invention；
Fig. 3 is the power supply block diagram of electric power system in the present invention；
Fig. 4 is the connection block diagram of optical interface module and business module in the present invention；
Fig. 5 is the system block diagram of the embodiment of the present invention 1；
Fig. 6 is the system block diagram of the embodiment of the present invention 2.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Fig. 1,2,3 and 4, a kind of GPON signals polymerize remote device, including local side apparatus and remote equipment.Local side
Equipment and remote equipment include electric power system 1, management module 2, memory module 3, optical interface module 4, business module 5, clock
Module 6 and fan 7.Memory module 3 includes the first storage chip 3-1 and the second storage chip 3-2.First storage chip 3-1 is adopted
The W25Q128FVSG chips produced with Winbond companies.Second storage chip 3-2 uses the AT24C16 of atmel corp's production
Chip.Optical interface module 4 includes the first optical module 4-1 and four the second optical module 4-2.First optical module and the second optical module are equal
Use the integrated module of optical transceiver of the packing forms for SFP.First optical module 4-1 uses OTN 10G optical modules, model
ZB7784099-DCL.The second optical module uses GPON ONU optical modules, model ZP5342034-KCST in local side apparatus.Far
The second optical module uses GPON OLT optical modules, model ZP5432043-JCS in end equipment.Business module 5 uses Xilinx
The model XC7K325T of company's production business chip.Clock module 6 includes clock chip and crystal oscillator.Clock chip uses
The 8T49N488A chips of Integrated Device Technology, Inc.'s production.Crystal oscillator is connected with clock chip, and provides fundamental clock signal for clock chip.When
(GPIO interface is general purpose I/O to the input clock pin and two GPIO interfaces of output clock pins and business module of clock chip
Port) it is respectively connected with.For optimizing the clock signal of business module offer.
As shown in Fig. 2 management module 2 includes first processor 2-1 and second processor 2-2.First processor 2-1 is used
Model STM32F107 single-chip microcomputer.Second processor 2-2 uses the EP4CE6 chips of altera corp's production.First processing
Device 2-1, second processor 2-2 and business module 5 are between any two with passing through SPI bus (i.e. SPI, Serial
Peripheral Interface) communicated.Second processor 2-2 and the first storage chip 3-1 pass through SPI
Bus is communicated.Second processor 2-2 reads the preset configuration information stored in the first storage chip 3-1, and is transferred to industry
Business module 5.First processor 2-1 and the second storage chip 3-2 pass through internal integrated circuit bus (i.e. I2C, Inter-
Integrated Circuit) communicated.The first light that first processor 2-1 stores from the second storage chip 3-2 of reading
The configuration information of module and the second optical module.Second processor 2-2 the first GPIO interface connects with the rotating speed delivery outlet of fan 7
Connect.Second processor 2-2 reads the rotating speed of fan.Second processor 2-2 the second GPIO interface and the speed control of fan are defeated
Entrance connects.Second processor 2-2 controls fan by pulse width modulation (PWM, Pulse-Width Modulation)
Rotating speed.
As shown in figure 3, electric power system 1 includes switch power module 1-1 and power supply chip 1-2.Switch power module 1-1 is adopted
The model NAD12S10-A produced with Huawei Tech Co., Ltd Unisolated switch power module 1-1.Power supply chip 1-2 is adopted
The model MP1484EN produced with Xin Yuan System Co., Ltd power supply chip 1-2.Switch power module 1-1 3.3V voltages
Output end is connected with first processor 2-1, second processor 2-2 and business module 5 3.3V power supply interfaces.Switch power module
1-1 1.0V voltage output ends are connected with the 1.0V feeder ears of business module 5.Power supply chip 1-2 2.5V voltage output ends with
The 2.5V feeder ears connection of clock chip, second processor 2-2 and business module 5.Power supply chip 1-2 1.8V voltage output ends
It is connected with the 1.8V feeder ears of business module 5.Power supply chip 1-2 1.2V voltage output ends and second processor 2-2 and business
The 1.2V feeder ears connection of module 5.Power supply chip 1-2 1.0V voltage output ends are connected with the 1.0V feeder ears of business module 5.
Switch power module 1-1 and power supply chip 1-2 is communicated with second processor 2-2 by internal integrated circuit bus.Open
The output voltage of itself, output current and temperature are transferred to second processor 2-2 by powered-down source module 1-1 and power supply chip 1-2.
As shown in figure 4, in local side apparatus business module 5 five GTX interfaces (Gigabit Transceiver interfaces, i.e.,
Lucky bit transceivers) distinguish with the first optical module 4-1 electric signal output mouth, four the second optical module 4-2 electric signal input port
Connection.Business module 5 is carried out with clock chip, the first optical module and four the second optical modules by internal integrated circuit bus
Communication.The working condition of the monitoring clock module of business module 5, the first optical module and the second optical module.The work shape of clock module
Whether state locks including clock, whether has whether clock input, clock keep the state before loss of clock.First optical module and
The working condition of two optical modules includes optical signal power, the optical signal power and temperature of output received.
Five GTX interfaces of business module 5 and the first optical module 4-1 electric signal input port in remote equipment, four
Two optical module 4-2 electric signal output mouth connects respectively.Business module 5 and clock chip, the first optical module and four the second light
Module is communicated by internal integrated circuit bus.
Local side apparatus has the following two kinds application mode with remote equipment：
Embodiment 1
As shown in figure 5, the corresponding remote equipment II of a local side apparatus I.Local side apparatus I is arranged at operator.Office
The optical fiber interface of four the second optical modules is respectively connected with four output optical fibres in end equipment I.Four output optical fibres are and light
Road terminal III is connected.The optical fiber interface of the optical fiber interface of first optical module and the optical module of remote equipment II first in local side apparatus I
Connection.Remote equipment II is arranged on the fiber cable cross connection box or computer room of user terminal.The light of four the second optical modules in remote equipment II
The input port of fine interface and four optical splitters IV is respectively connected with.The delivery outlet of four optical splitters IV with multiple optical network units V
Connection.
In remote equipment II, four the first optical modules are transferred to business module after the optical signal of input is converted into electric signal
5.The electric signal of input is converted into after electric signal corresponding to OTN optical signals and is transferred to the second optical module by business module 5.Second light
The electric signal of input is converted into optical signal and exported by module after treatment.
In local side apparatus I, the optical signal of input is converted into after electric signal and is transferred to business module 5 by the second optical module.Industry
The electric signal of input is converted into after electric signal corresponding to GPON optical signals by business module 5 is transferred to the first optical module.First optical mode
The electric signal of input is converted into optical signal and exported by block after treatment.
Embodiment 2
As shown in fig. 6, the corresponding n remote equipment II of a local side apparatus I, n >=2.Local side apparatus I is arranged on operator
Place.The optical fiber interface of four the second optical modules is respectively connected with four output optical fibres in local side apparatus I.Four output optical fibres with
Optical line terminal III is connected.The optical fiber interface of first optical module is connected with the input port of wavelength division multiplexer VI in local side apparatus I.Ripple
N delivery outlet of division multiplexer VI is connected respectively with the optical fiber interface of the n optical module of remote equipment II first.N remote equipment
II is separately positioned on the fiber cable cross connection box or computer room of n user terminal.The optical fiber interface of four the second optical modules in remote equipment II
It is respectively connected with the input port of four optical splitters IV of corresponding user terminal.The delivery outlet of four optical splitters IV with multiple optical-fiber networks
Unit V connects.
In remote equipment II, four the first optical modules are transferred to business module after the optical signal of input is converted into electric signal
5.The electric signal of input is transferred to the second optical module by business module 5 after treatment.Second optical module is by the electric signal of input
Optical signal is converted into after treatment and is transferred to wavelength division multiplexer VI.The optical signal replicating received is by wavelength division multiplexer VI
N identical optical signal is transferred to the second optical module of local side apparatus I respectively.
In local side apparatus I, the optical signal of input is converted into after electric signal and is transferred to business module 5 by the second optical module.Industry
Business module 5 gives electric signal transmission corresponding to the electric signal GPON optical signals of input to the first optical module.First optical module will input
Electric signal be converted into optical signal after treatment and export.
The polymerization remote method of GPON signals polymerization remote device is specific as follows：
Step 1：Four input GPON optical signals are converted into four first electricity by four the second optical modules in local side apparatus
Signal, and by four the first electric signal transmissions to business module.Business module extracts first respectively from four the first electric signals
Clock signal is simultaneously transferred to clock chip.Clock chip will be transferred to business after receive four the first clock signal Key ditherings
Module.Business module is by four the first electric signals with receiving together with four the first clock signals are respectively integrated at.Complete to the
The optimization of one electric signal.
Step 2：Four the first electric signals of tunnel are encapsulated into the second electric signal all the way by the business module of local side apparatus.
1st, by four the first electric signals (CBR, Constant Bit in a manner of constant bit-rate obtained by step 1
Rate four the first OPU1 (optical channel Payload Unit 1, Optical channel Payload Unit1) letters) are each mapped to
Number.
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, divide in four the first OPU1 signals
Do not increase overhead byte, obtain four the first ODU1 (Optical Channel Data Unit-k 1, Optical channel Data Unit1) letters
Number.
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the first ODU1 signals are distinguished
It is mapped as four the first ODTU12 (Optical channel Data Tributary Unit 12, optical channel data branch road list
First 12) signal.
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the first ODTU12 signals are answered
With for the first ODTUG2 (Optical channel Data Tributary Unit12, optical channel data tributary unit group
2) signal.
5th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the first ODTUG2 signals are mapped as
First OPU2 signals (optical channel Payload Unit 2, Optical channel Payload Unit2).Again by the first OPU2 signals
It is mapped as the first ODU2 (Optical Channel Data Unit-k 2, Optical channel Data Unit2) signal.Then by the first ODU2
Signal is mapped as the first OTU2 (Optical Channel Transport Unit-k 2 standardized completely) signal.First OTU2 signals are as the second telecommunications
Number.Business module gives the second electric signal transmission to the first optical module.
Step 3：The second electric signal received is converted into OTN optical signals by the first optical module in local side apparatus.It is if remote
End equipment only has one, then the first optical module in local side apparatus by OTN optical signal transmissions to the first optical mode in remote equipment
Block.If remote equipment has n, the first optical module in local side apparatus is by OTN optical signal transmissions to wavelength division multiplexer.Wavelength-division is answered
With device by the OTN optical signal replicatings received be n after be transferred to the first optical module in n remote equipment respectively.
Step 4: the OTN optical signals received are converted into the 3rd electric signal and passed by the first optical module in remote equipment
It is defeated by business module.Business module in remote equipment extracts second clock signal from the 3rd electric signal and is transferred to clock core
Piece.Clock chip will be transferred to business module after the second clock signal Key dithering received.Business module is by the 3rd electric signal
Combined with receiving clock signal.Complete the optimization to the 3rd electric signal.
Step 5: the business module of remote equipment will be split as the electric signal of four tunnel the 4th by the 3rd electric signal all the way.
1st, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, by the 3rd telecommunications obtained by step 4
Number it is mapped as the 2nd ODU2 signals.The 2nd ODU2 signals are mapped as the 2nd OPU2 signals again.Then the 2nd OPU2 signals are reflected
Penetrate as the 2nd ODTUG2 signals.
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the 2nd ODTUG2 signals are split as
Four the 2nd ODTU12 signals.
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, by four the 2nd ODTU12 signals point
Four the 2nd ODU1 signals are not mapped as.
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, in four the 2nd ODU1 signals
Overhead byte is left out, and obtains four the 2nd OPU1 signals.
5th, four the 2nd OPU1 signals are each mapped to four the 4th electric signals in a manner of constant bit-rate.Business mould
Four the 4th electric signals are transferred to four the second optical modules by block respectively.
Step 6: four the 4th electric signals are separately converted to four outputs by four the second optical modules in remote equipment
GPON optical signals, and four output GPON optical signals are transferred to four optical splitters respectively.Four optical splitters will receive output
GPON optical signals are sent to multiple optical network units.
Claims (10)
1. a kind of GPON signals polymerize remote device, including local side apparatus and remote equipment；It is characterized in that：Described local side is set
Standby and remote equipment includes electric power system, management module, memory module, optical interface module, business module, clock module and wind
Fan；Described electric power system is management module, memory module, optical interface module, business module and clock module for power supply；Described
Clock module includes clock chip；Two of the input clock pin of the clock chip and output clock pins and business module
GPIO interface is respectively connected with；
Described management module includes first processor and second processor；Described memory module include the first storage chip and
Second storage chip；First processor, second processor and business module are between any two with passing through SPI bus
Communicated；Second processor is communicated with the first storage chip by SPI bus；First processor and
Two storage chips are communicated by internal integrated circuit bus；First GPIO interface of second processor and the rotating speed of fan are defeated
Outlet connection；Second GPIO interface of second processor and the speed control input port of fan connect；
Described optical interface module includes the first optical module and four the second optical modules；Business module and the first optical module and four
Second optical module is communicated by internal integrated circuit bus；In local side apparatus, five GTX of the business module connect
Mouth is connected respectively with the electric signal output mouth of the first optical module, the electric signal input port of four the second optical modules；In remote equipment
It is interior, five GTX interfaces of business module and the electric signal input port of the first optical mode, the electric signal output mouth of four the second optical modules
Connect respectively；
When remote equipment only has one, the optical fiber interface of the first optical module and the optical module of remote equipment first in local side apparatus
Optical fiber interface connects；When remote equipment has n, n >=2, the optical fiber interface and wavelength-division multiplex of the first optical module in local side apparatus
The input port connection of device；The optical fiber interface of n delivery outlet of wavelength division multiplexer and the n optical module of remote equipment first connects respectively
Connect.
A kind of 2. GPON signals polymerization remote device according to claim 1, it is characterised in that：Described local side apparatus is set
Put at operator；The optical fiber interface of four the second optical modules is respectively connected with four output optical fibres in local side apparatus；Four defeated
Go out optical fiber with optical line terminal to be connected；Described remote equipment is arranged on the fiber cable cross connection box or computer room of user terminal；Distal end is set
The input port of the optical fiber interface and four optical splitters of four the second optical modules is respectively connected with standby；The delivery outlet of four optical splitters is equal
It is connected with multiple optical network units.
A kind of 3. GPON signals polymerization remote device according to claim 1, it is characterised in that：The first described storage core
Piece uses the W25Q128FVSG chips of Winbond companies production；The second described storage chip is using atmel corp's production
AT24C16 chips.
A kind of 4. GPON signals polymerization remote device according to claim 1, it is characterised in that：First optical module
Model ZB7784099-DCL；The model ZP5342034-KCST of second optical module in the local side apparatus；The distal end is set
The model ZP5432043-JCS of standby interior second optical module.
A kind of 5. GPON signals polymerization remote device according to claim 1, it is characterised in that：Described clock module is also
Including crystal oscillator；Described crystal oscillator is connected with clock chip；Described clock chip uses the 8T49N488A cores of Integrated Device Technology, Inc.'s production
Piece.
A kind of 6. GPON signals polymerization remote device according to claim 1, it is characterised in that：Described business module is adopted
The model XC7K325T produced with Xilinx companies business chip.
A kind of 7. GPON signals polymerization remote device according to claim 1, it is characterised in that：Described first processor
Using model STM32F107 single-chip microcomputer；Described second processor uses the EP4CE6 chips of altera corp's production.
A kind of 8. GPON signals polymerization remote device according to claim 1, it is characterised in that：Described electric power system bag
Include switch power module and power supply chip；The 3.3V voltage output ends of the switch power module with first processor, second
Manage the 3.3V power supply interfaces connection of device and business module；The 1.0V voltage output ends of switch power module and the 1.0V of business module
Feeder ear connects；The 2.5V voltage output ends of the power supply chip and the 2.5V of clock chip, second processor and business module
Feeder ear connects；The 1.8V voltage output ends of power supply chip and the 1.8V feeder ears of business module connect；The 1.2V of power supply chip
Voltage output end is connected with the 1.2V feeder ears of second processor and business module；The 1.0V voltage output ends and industry of power supply chip
The 1.0V feeder ears connection for module of being engaged in；Described switch power module and power supply chip are with second processor by being internally integrated
Circuit bus is communicated.
A kind of 9. GPON signals polymerization remote device according to claim 8, it is characterised in that：Described Switching Power Supply mould
The Unisolated switch power module for the model NAD12S10-A that block is produced using Huawei Tech Co., Ltd；Power supply chip uses
The model MP1484EN of Xin Yuan System Co., Ltd production power supply chip.
A kind of 10. polymerization remote method of GPON signals polymerization remote device as claimed in claim 1, it is characterised in that：
Step 1：Four input GPON optical signals are converted into four the first telecommunications by four the second optical modules in local side apparatus
Number, and by four the first electric signal transmissions to business module；When business module extracts first respectively from four the first electric signals
Clock signal is simultaneously transferred to clock chip；Clock chip will be transferred to business mould after receive four the first clock signal Key ditherings
Block；Business module is by four the first electric signals with receiving together with four the first clock signals are respectively integrated at；
Step 2：Four the first electric signals of tunnel are encapsulated into the second electric signal all the way by the business module of local side apparatus；
1st, four the first electric signals obtained by step 1 are each mapped to four the first OPU1 letters in a manner of constant bit-rate
Number；
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, increases respectively in four the first OPU1 signals
Add overhead byte, obtain four the first ODU1 signals；
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the first ODU1 signals are mapped respectively
For four the first ODTU12 signals；
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, it is by four the first ODTU12 signal multiplexings
One the first ODTUG2 signal；
5th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, first is mapped as by the first ODTUG2 signals
OPU2 signals；The first OPU2 signals are mapped as the first ODU2 signals again；Then the first ODU2 signals are mapped as the first OTU2
Signal；First OTU2 signals are as the second electric signal；Business module gives the second electric signal transmission to the first optical module；
Step 3：The second electric signal received is converted into OTN optical signals by the first optical module in local side apparatus；If distal end is set
Standby only one, then the first optical module in local side apparatus by OTN optical signal transmissions to the first optical module in remote equipment；If
Remote equipment has n, then the first optical module in local side apparatus by OTN optical signal transmissions to wavelength division multiplexer；Wavelength division multiplexer
The first optical module being transferred to respectively after being n by the OTN optical signal replicatings received in n remote equipment；
Step 4: the OTN optical signals received are converted into the 3rd electric signal and are transferred to by the first optical module in remote equipment
Business module；Business module in remote equipment extracts second clock signal from the 3rd electric signal and is transferred to clock chip；
Clock chip will be transferred to business module after the second clock signal Key dithering received；Business module is by the 3rd electric signal with connecing
Clock signal is received to combine；
Step 5: the business module of remote equipment will be split as the electric signal of four tunnel the 4th by the 3rd electric signal all the way；
1st, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the 3rd electric signal obtained by step 4 is reflected
Penetrate as the 2nd ODU2 signals；The 2nd ODU2 signals are mapped as the 2nd OPU2 signals again；Then the 2nd OPU2 signals are mapped as
2nd ODTUG2 signals；
2nd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four are split as by the 2nd ODTUG2 signals
2nd ODTU12 signals；
3rd, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, four the 2nd ODTU12 signals are reflected respectively
Penetrate as four the 2nd ODU1 signals；
4th, the G.709 agreement issued according to standard branch office of international telecommunication union telecommunication, the expense in four the 2nd ODU1 signals
Byte is left out, and obtains four the 2nd OPU1 signals；
5th, four the 2nd OPU1 signals are each mapped to four the 4th electric signals in a manner of constant bit-rate；Business module will
Four the 4th electric signals are transferred to four the second optical modules respectively；
Step 6: four the 4th electric signals are separately converted to four output GPON light by four the second optical modules in remote equipment
Signal simultaneously exports.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449660A (en) * | 2018-06-25 | 2018-08-24 | 北京华麒通信科技有限公司 | A kind of PON system |
| CN111510799A (en) * | 2020-04-16 | 2020-08-07 | 广州市满航通信科技有限公司 | GPON aggregation remote system |
| CN112039583A (en) * | 2019-06-04 | 2020-12-04 | 上海欣诺通信技术股份有限公司 | Aggregation remote local side, remote side equipment and optical fiber network system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004112264A2 (en) * | 2003-06-10 | 2004-12-23 | Ubi Systems, Inc. | System and method for performing high-speed communications over fiber optical networks |
| CN101674090A (en) * | 2009-09-28 | 2010-03-17 | 杭州电子科技大学 | 16-bit FEC decoding realization method for GPON |
| CN103581773A (en) * | 2013-10-31 | 2014-02-12 | 烽火通信科技股份有限公司 | Multi-service access system and method based on PON |
| CN107222295A (en) * | 2017-05-25 | 2017-09-29 | 武汉盈科通信技术有限公司 | PON polymerize far-drawing system uplink burst processing method and distal end, local side apparatus |
| CN206542538U (en) * | 2017-03-09 | 2017-10-03 | 北京中昱光通科技有限公司 | One kind is suitable to PON Fiber Optic Extension frame |
| CN207530830U (en) * | 2017-11-30 | 2018-06-22 | 杭州初灵信息技术股份有限公司 | A kind of GPON signals polymerize remote device |
-
2017
- 2017-11-30 CN CN201711237746.4A patent/CN107888290B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004112264A2 (en) * | 2003-06-10 | 2004-12-23 | Ubi Systems, Inc. | System and method for performing high-speed communications over fiber optical networks |
| CN101674090A (en) * | 2009-09-28 | 2010-03-17 | 杭州电子科技大学 | 16-bit FEC decoding realization method for GPON |
| CN103581773A (en) * | 2013-10-31 | 2014-02-12 | 烽火通信科技股份有限公司 | Multi-service access system and method based on PON |
| CN206542538U (en) * | 2017-03-09 | 2017-10-03 | 北京中昱光通科技有限公司 | One kind is suitable to PON Fiber Optic Extension frame |
| CN107222295A (en) * | 2017-05-25 | 2017-09-29 | 武汉盈科通信技术有限公司 | PON polymerize far-drawing system uplink burst processing method and distal end, local side apparatus |
| CN207530830U (en) * | 2017-11-30 | 2018-06-22 | 杭州初灵信息技术股份有限公司 | A kind of GPON signals polymerize remote device |
Non-Patent Citations (2)
| Title |
|---|
| 李力等: "PON聚合拉远技术(PAE)及其在FTTH网络中的应用研究", 中国有线电视 * |
| 龙函;胡毅;: "无源光网络光纤复用拉远的技术方案分析", 光通信研究, no. 05 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449660A (en) * | 2018-06-25 | 2018-08-24 | 北京华麒通信科技有限公司 | A kind of PON system |
| CN112039583A (en) * | 2019-06-04 | 2020-12-04 | 上海欣诺通信技术股份有限公司 | Aggregation remote local side, remote side equipment and optical fiber network system |
| CN111510799A (en) * | 2020-04-16 | 2020-08-07 | 广州市满航通信科技有限公司 | GPON aggregation remote system |
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