CN108418634A - A kind of wide band narrow band service integration system synchronous based on high speed puppet - Google Patents
A kind of wide band narrow band service integration system synchronous based on high speed puppet Download PDFInfo
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- CN108418634A CN108418634A CN201810257545.9A CN201810257545A CN108418634A CN 108418634 A CN108418634 A CN 108418634A CN 201810257545 A CN201810257545 A CN 201810257545A CN 108418634 A CN108418634 A CN 108418634A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0626—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators
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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
- H04B10/03—Arrangements for fault recovery
- H04B10/032—Arrangements for fault recovery using working and protection systems
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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
- H04B10/27—Arrangements for networking
- H04B10/275—Ring-type networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/062—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers
- H04J3/0626—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators
- H04J3/0629—Synchronisation of signals having the same nominal but fluctuating bit rates, e.g. using buffers plesiochronous multiplexing systems, e.g. plesiochronous digital hierarchy [PDH], jitter attenuators in a network, e.g. in combination with switching or multiplexing, slip buffers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0647—Synchronisation among TDM nodes
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- Time-Division Multiplex Systems (AREA)
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Abstract
The present invention provides a kind of based on the pseudo- synchronous wide band narrow band service integration system of high speed, the technical issues of for solving to realize the linear speed interconnection of multi fiber transmission direction, the multiplexing of 64Kbps narrow band services, the 64K time slot cross connections in multiple directions E1, duties business and multigroup broadband ethernet simultaneously on the same chip, structure includes：Optical fiber multiplexing chip, management module, reseting module, clock module, STBUS modules, ethernet interface module and 64K business interfaces；Optical fiber multiplexing chip includes：Optical interface module, transmission message processing module and information access processing module；Transmission message processing module is connect with optical interface module and information access processing module signal respectively；Management module, reseting module, clock module are connect with transmission message processing module signal respectively；STBUS modules are connect with information access processing module and 64K business interface signals respectively；Optical fiber multiplexing chip is connect with ethernet interface module signal.The present invention has higher function integration.
Description
Technical field
The present invention relates to communication transmission technology fields, more particularly, to a kind of based on the pseudo- synchronous wide band narrow band business of high speed
Multiplex system.
Background technology
PDH (Plesiochronous Digital Hierarchy puppets synchronous data transmission) optical transport in the prior art
Technology, PCM (Pulse Code Modulation) multiplexing technology, (DXC) time slot digital cross-connecting technologies, Ethernet exchanging
Technology was both dispersed in standard and equipment originally, and it is narrow band service multiplexing equipment that PDH, which is the standard of fibre optic transmission equipment, PCM,
Standard, DXC are the standards of time-slot cross equipment.Since the integral application of equipment increases, these technologies can also be embodied in one
In platform equipment.PDH technologies can only generally realize the transmission of E3 capacity in the early stage.One E3 contains 4 E2, and an E2 is by 4
E1 is formed.Later stage due to technology development not only on the basis of E1 transmit but also be multiplexed 100M linear speeds Ethernet transmit, the later stage
The technology of 1 1000M linear speed Ethernet transmission can be multiplexed by having again, but these technologies are confined to single optical fiber transmission direction.
At present single chip solution seldom simultaneously there is multi fiber transmission direction and meanwhile realize 64Kbps narrow band services multiplexing, realize it is multiple
The 64K time slot cross connections in the directions E1 realize duties business, realize the linear speed interconnection of multigroup broadband ethernet.
Therefore it provides it is a kind of based on the pseudo- synchronous wide band narrow band service integration system of high speed, it can be same on the same chip
Shi Shixian multi fibers transmission direction, the multiplexing of 64Kbps narrow band services, the 64K time slot cross connections in multiple directions E1, duties business,
And the linear speed interconnection of multigroup broadband ethernet, just become those skilled in the art's technical problem urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide a kind of based on the pseudo- synchronous wide band narrow band service integration system of high speed, for solving
Realize that multi fiber transmission direction, 64Kbps narrow band services are multiplexed, the 64K time-slot cross in multiple directions E1 connects on same chip simultaneously
Connect, the linear speed interconnection of duties business and multigroup broadband ethernet the technical issues of.
To achieve the goals above, the present invention provides a kind of wide band narrow band service integration system synchronous based on high speed puppet,
Including：Optical fiber multiplexing chip, management module, reseting module, clock module, STBUS modules, ethernet interface module and 64K industry
Business interface；The optical fiber multiplexing chip includes：Optical interface module, transmission message processing module and information access processing module；Institute
Transmission message processing module is stated to connect with the optical interface module and information access processing module signal respectively；The management mould
Block, reseting module, clock module are connect with the transmission message processing module signal respectively；The STBUS modules respectively with institute
State information access processing module and the connection of 64K business interface signals；The optical fiber multiplexing chip and the ethernet interface module
Signal connects.
Preferably, the transmission message processing module includes：ALT_GX modules, pretection switch control module, SCRAMBLER
Module and DESCRAMBLER modules；The access information processing module includes：GMII2OPT modules, MII2OPT modules and
E12OPT modules；The ALT_GX modules respectively with the optical interface module, SCRAMBLER modules and DESCRAMBLER modules
Signal connects；The SCRAMBLER modules are connect with the pretection switch control module signal.
Preferably, further include：Ethernet PHY chip, double RAM, GFP modules, scrambling module, 2.5G_OPT_TX and opposite end
Module；The GMII2OPT modules obtain data from Ethernet PHY chip, are cached through double RAM, and described after the encapsulation of GFP modules
Jointly by the data-pushing to scrambling module, the scrambling module will be parallel after scrambling for MII2OPT modules, E12OPT modules
Data-pushing to the ALT_GX modules do parallel-serial conversion, and the transformed data push to institute through 2.5G_OPT_TX signals
It states optical interface module and does electro-optic conversion, the transformed data are transferred to through optical fiber to end module.
Preferably, further include：2.5G_OPT_RX and PHY chip；The optical interface module from the light of optical fiber for that will believe
Number it is converted into electric signal, being pushed to the ALT_GX modules through 2.5G_OPT_RX signals carries out serioparallel exchange and clock recovery, warp
Data after serioparallel exchange enter the DESCRAMBLER modules descrambling code；The data after descrambling code are sent respectively to institute
GMII2OPT modules, MII2OPT modules and E12OPT modules are stated by each branch service data flow frame decoding；The number after frame decoding
According to being sent to PHY chip.
Preferably, the PHY chip includes：Gigabit PHY chip and 100,000,000 PHY chips.
Preferably, the ethernet interface module includes：Gigabit PHY chip, 100,000,000 PHY chips and E1 interface circuits.
Preferably, the 64K business interfaces are at least one of FX0, FXS, V24, magnetite.
The heretofore described linear speed Ethernet being capable of providing based on the pseudo- synchronous wide band narrow band service integration system of high speed
Bandwidth chahnel bigger, physically-isolated ethernet channel are more；Optical port has cascade function, in addition to point-to-point communication, can form
Link network, looped network；The business interfaces such as Ethernet and narrow-band user can easily select transmission direction, can also realize bus
Formula business is transmitted.Wherein, the heretofore described optical interface based on the pseudo- synchronous wide band narrow band service integration system standard of high speed
And Ethernet interface can allow user easily to connect progress point-to-point transmission and multiple devices by optical fiber using two equipment
Point-to-multipoint transmission network or annular delivery network are connected and composed by optical fiber, realizes the quick transmission of Ethernet service.This is
When system carries out point-to-point transmission, it can both be connected with two optical fiber, and constitute tie line, can also constituted with four optical fiber
1+1 port lines are protected, and can ensure that whole system remains able to normally pass when certain root fiber problems in circuit in this way
Defeated various businesses.Two equipment connect and compose the communication system of Ethernet service point-to-point transmission by optical fiber.Institute in the present invention
Stating optical interface and Ethernet interface based on the pseudo- synchronous wide band narrow band service integration system standard of high speed can allow user convenient
Ground connects progress point-to-point transmission by optical fiber using two equipment and multiple devices connect and compose point-to-multipoint biography by optical fiber
Defeated network or annular delivery network realize the quick transmission of Ethernet service；When this system carries out looped network transmission, with four optical fiber
The protection of 1+1 port lines is constituted, can ensure that whole system remains able to just when certain root fiber problems in circuit in this way
Often transmission various businesses.Two equipment connect and compose the communication system of Ethernet service point-to-point transmission by optical fiber.
The present invention is above-mentioned to buffer skill based on the pseudo- synchronous wide band narrow band service integration system of high speed using multi-stage data RAM
Art realizes：
1, the isolation of optical fiber transmission clock and business clock, multiple business clocks are realized also by code speed adjustment technology
Transparent transmission and recovery；
2, by TDM time-division multiplex technologies, 2 linear speed 1000Mbps, 4 linear speeds are realized on the line bandwidth of 2.5G
The multiplexing technology of 100Mbps, 32 groups of E1 interfaces (containing ST-BUS).
3, the optical fiber coffret of 4 linear speed 2.5G is realized, and realizes that optical port mutually backs up, provides two groups of light directions two-by-two
Business, link network and looped network can be formed.
4, each linear speed ethernet channel is realized to exchange in the linear speed at double optical port directions and business end.
5, time slot cross connection is provided while E1 interfaces are provided, has both facilitated the connection of duties business interface, also side
Customer service to each optical fiber interface direction combinations of services.
Description of the drawings
Fig. 1 is the structural schematic diagram based on the pseudo- synchronous wide band narrow band service integration system of high speed in the present invention；
Fig. 2 is the structural schematic diagram of optical fiber multiplexing chip in Fig. 1；
Fig. 3 is the improved structure schematic diagram of Fig. 1；
Fig. 4 is that the present invention is based on the pseudo- synchronous wide band narrow band service integration system of high speed is point-to-point using OMP serial equipments
The structural schematic diagram of transmission；
Fig. 5 is that the present invention is based on the pseudo- synchronous wide band narrow band service integration systems of high speed to be passed using OMP serial equipment looped networks
Defeated structural schematic diagram.
Specific embodiment
The embodiment of the present invention is described below in detail, since following embodiments are exemplary, it is intended to for explaining this hair
It is bright, and then be not considered as limiting the invention.
Shown in Fig. 1, the present invention provides a kind of wide band narrow band service integration system synchronous based on high speed puppet, including：Optical fiber
Multiplexing chip, management module, reseting module, clock module, STBUS modules, ethernet interface module and 64K business interfaces；Figure
Shown in 2, the optical fiber multiplexing chip includes：Optical interface module, transmission message processing module and information access processing module；It is described
Transmission message processing module is connect with the optical interface module and information access processing module signal respectively；The management module,
Reseting module, clock module are connect with the transmission message processing module signal respectively；The STBUS modules respectively with the letter
Breath access processing module and the connection of 64K business interface signals；The optical fiber multiplexing chip and the ethernet interface module signal
Connection.
Further, as shown in figure 3, in one of present invention optimal technical scheme, the transmission information processing
Module includes：ALT_GX modules, pretection switch control module, SCRAMBLER modules and DESCRAMBLER modules；The access
Message processing module includes：GMII2OPT modules, MII2OPT modules and E12OPT modules；The ALT_GX modules respectively with institute
State optical interface module, SCRAMBLER modules are connected with DESCRAMBLER module by signal；The SCRAMBLER modules and the guarantor
Protective switching control module signal connects.
Further, in one of present invention optimal technical scheme, further include：Ethernet PHY chip, double RAM,
GFP modules, scrambling module, 2.5G_OPT_TX and to end module；By business data flow sending direction, the GMII2OPT modules
Data are obtained from Ethernet PHY chip, are cached through double RAM, after the encapsulation of GFP modules, with the MII2OPT modules, E12OPT moulds
For block jointly by the data-pushing to scrambling module, the parallel data after scrambling is pushed to the ALT_GX by the scrambling module
Module does parallel-serial conversion, and the transformed data push to the optical interface module through 2.5G_OPT_TX signals and do electric light turn
It changes, the transformed data are transferred to through optical fiber to end module.
Further, in one of present invention optimal technical scheme, further include：2.5G_OPT_RX and PHY cores
Piece；Direction is received by business data flow, the optical interface module is used to the optical signal from optical fiber being converted into electric signal, pass through
2.5G_OPT_RX signals are pushed to the ALT_GX modules and carry out serioparallel exchange and clock recovery, the data after serioparallel exchange
Into the DESCRAMBLER modules descrambling code；The data after descrambling code sent respectively to the GMII2OPT modules,
MII2OPT modules and E12OPT modules are by each branch service data flow frame decoding；The data after frame decoding are sent to PHY cores
Piece.
Further, in one of present invention optimal technical scheme, the PHY chip includes：Gigabit PHY chip
With 100,000,000 PHY chips.
Further, in one of present invention optimal technical scheme, the ethernet interface module includes：Gigabit
PHY chip, 100,000,000 PHY chips and E1 interface circuits.
Further, in one of present invention optimal technical scheme, the 64K business interfaces be FX0, FXS,
At least one of V24, magnetite.
The heretofore described linear speed Ethernet being capable of providing based on the pseudo- synchronous wide band narrow band service integration system of high speed
Bandwidth chahnel bigger, physically-isolated ethernet channel are more；Optical port has cascade function, in addition to point-to-point communication, can form
Link network, looped network；The business interfaces such as Ethernet and narrow-band user can easily select transmission direction, can also realize bus
Formula business is transmitted.Wherein, the heretofore described optical interface based on the pseudo- synchronous wide band narrow band service integration system standard of high speed
And Ethernet interface can allow user easily to connect progress point-to-point transmission and multiple devices by optical fiber using two equipment
Point-to-multipoint transmission network or annular delivery network are connected and composed by optical fiber, realizes the quick transmission of Ethernet service.This is
When system carries out point-to-point transmission, it can both be connected with two optical fiber, and constitute tie line, can also constituted with four optical fiber
1+1 port lines are protected, and can ensure that whole system remains able to normally pass when certain root fiber problems in circuit in this way
Defeated various businesses.Two equipment connect and compose the communication system of Ethernet service point-to-point transmission by optical fiber.Institute in the present invention
Stating optical interface and Ethernet interface based on the pseudo- synchronous wide band narrow band service integration system standard of high speed can allow user convenient
Ground connects progress point-to-point transmission by optical fiber using two equipment and multiple devices connect and compose point-to-multipoint biography by optical fiber
Defeated network or annular delivery network realize the quick transmission of Ethernet service；When this system carries out looped network transmission, with four optical fiber
The protection of 1+1 port lines is constituted, can ensure that whole system remains able to just when certain root fiber problems in circuit in this way
Often transmission various businesses.Two equipment connect and compose the communication system of Ethernet service point-to-point transmission by optical fiber.
The present invention is above-mentioned to buffer skill based on the pseudo- synchronous wide band narrow band service integration system of high speed using multi-stage data RAM
Art realizes：
1, the isolation of optical fiber transmission clock and business clock, multiple business clocks are realized also by code speed adjustment technology
Transparent transmission and recovery；
2, by TDM time-division multiplex technologies, 2 linear speed 1000Mbps, 4 linear speeds are realized on the line bandwidth of 2.5G
The multiplexing technology of 100Mbps, 32 groups of E1 interfaces (containing ST-BUS).
3, the optical fiber coffret of 4 linear speed 2.5G is realized, and realizes that optical port mutually backs up, provides two groups of light directions two-by-two
Business, link network and looped network can be formed.
4, each linear speed ethernet channel is realized to exchange in the linear speed at double optical port directions and business end.
5, time slot cross connection is provided while E1 interfaces are provided, has both facilitated the connection of duties business interface, also side
Customer service to each optical fiber interface direction combinations of services.
The emphasis of the present invention is to improve the transmission rate of fibre circuit to 2.5G, changes traditional PDH, SDH multiplexing
Technology is buffered, is saved the data buffer zone capacity of needs using classification, and user clock is transmitted using justification.It realizes
2 groups of physically-isolated linear speed gigabit Ethernet multiplexings are realized by time-multiplexed method on 2.5G optical fiber interfaces, realize 4
The multiplexing of the physically-isolated linear speed 100 m ethernet of group, the multiplexing for realizing 32 groups of E1 interfaces, realize 4 groups of 2.5G optical fiber and connect
Mouthful, every 2 groups of Hot Spares each other, link network, looped network etc. can be formed.These technologies be used for by narrow band service (sound carrier, phone,
Magnetic telephone, elevator intercommunication, fire telephone, same directional 64K, RS232/RS485/RS422 business, N*64K V.35/V.36, N*
64K Ethernets) it is multiplexed on E1 interfaces, then the narrow band service on multiple E1 interfaces is carried out time slot cross connection, finally more
A E1 interfaces (data-interface containing duties), multiple broadband ethernet interfaces (multiple gigabits and multiple hundred megalines speed Ethernet bandwidth)
It is multiplexed into 2.5G optical fiber interfaces.
Specifically, above-mentioned modules are explained in detail below：
1, management module：It is responsible for providing configuration management, the alarm management of whole system, the port setting of ethernet module etc.
Function.
2, optical interface module：Realize opto-electronic conversion；2.5G_OPT_TX electric signals from ALT_GX modules are converted into light
Signal transmits on optical fiber.The optical signal from optical fiber is subjected to opto-electronic conversion simultaneously, is given through 2.5G_OPT_RX signals
ALT_GX modules.
3, ALT_GX modules：It is responsible for 2.5Gbps serial data of the processing from optical interface module and flows to 20bit parallel datas
The conversion of stream and 20bit parallel datas flow to the conversion function of 2.5Gbps serial data streams；Serial 2.5G_OPT_RX signals
Make serioparallel exchange and clock recovery through ALT_GX modules, is sent to DESCRAMBLER moulds through RX_CLKOUT, DE RX DATA signals
Block；By from SCRAMBLER modules parallel SE TXDATA data-signals and clock TX CLKIN signals through ALT_GX modules make
Parallel-serial conversion gives optical interface module after ALT_GX resume modules.
4, pretection switch control module：The 1+1 protection for being responsible for processing 2.5G optical ports switches processing；
5, SCRAMBLER modules：It realizes parallel disturbance code processing, realizes the balance of 0,1 ratio in circuit.
6, DESCRAMBLER modules：Realize parallel descrambling code processing.
7, GMII2OPT modules：Realize multiplexing of the gigabit Ethernet gmii interface to optical port；GMII2OPT modules are from ether
Net PHY chip obtains data, is cached through double RAM, and higher level's module is given after the encapsulation of GFP modules.
8, MII2OPT modules：Realize multiplexing of the 100 m ethernet MII interfaces to optical port；MII2OPT modules are from Ethernet
PHY chip obtains data, is cached through double RAM, and higher level's module is given after the encapsulation of GFP modules.
9, E12OPT modules：Realize multiplexing of the E1 interfaces to optical port；E1 signals from circuit are through HDB3 coding and decoding moulds
Block reverts to NRZ signal streams, and higher level's module is given after Multiplexing module is multiplexed.
10, reseting module：Power-on reset signal and CPU warm reset signals are provided to whole system.
11, clock module：The clock timing signal that each integrated circuit needs is provided to whole system.
12, STBUS modules：Complete intersection multiplexing and the demultiplexing of various 64K business；By the data flow from 64K business
E12OPT modules are given after multiplexing.
Key signal is defined as follows：
Shown in Fig. 4, the present invention is above-mentioned to utilize OMP serial equipments based on the pseudo- synchronous wide band narrow band service integration system of high speed
The structural schematic diagram of point-to-point transmission.
For IDM OMP serial equipments by optical fiber transmission services, the optical interface and Ethernet interface of standard can allow user
Easily progress point-to-point transmission and multiple devices are connected by optical fiber using two equipment to connect and compose a little to more by optical fiber
Point transmission network or annular delivery network, realize the quick transmission of Ethernet service.
It, both can be with when the wide band narrow band service integration system pseudo- synchronous based on high speed of the present invention carries out point-to-point transmission
It is connected with two optical fiber, constitutes tie line, four optical fiber can also be used to constitute 1+1 port lines and protected, it in this way can be with
Ensure that whole system remains able to normal transmission various businesses when certain root fiber problems in circuit.Two equipment pass through light
Fibre connects and composes the communication system of Ethernet service point-to-point transmission.
Shown in Fig. 5, the present invention is above-mentioned to utilize OMP serial equipments based on the pseudo- synchronous wide band narrow band service integration system of high speed
Looped network transmission structure schematic diagram.
For IDM OMP serial equipments by optical fiber transmission services, the optical interface and Ethernet interface of standard can allow user
Easily progress point-to-point transmission and multiple devices are connected by optical fiber using two equipment to connect and compose a little to more by optical fiber
Point transmission network or annular delivery network, realize the quick transmission of Ethernet service.
When the wide band narrow band service integration system progress looped network transmission synchronized pseudo- based on high speed of the present invention, with four light
Fibre constitutes the protection of 1+1 port lines, can ensure that whole system remains able to when certain root fiber problems in circuit in this way
Normal transmission various businesses.Two equipment connect and compose the communication system of Ethernet service point-to-point transmission by optical fiber.
It should be noted that
1, this technology in the coding method of optical fiber interface time-division, sequentially, can arbitrarily convert, can realize this function；
2, this technology on data buffering and Clock Extraction be principles illustrated, time slot method of partition can arbitrarily there are many
Setting；
3, it is Ethernet cascade towards upstream optical port, downstream optical port, the linear speed Ethernet packet technology of local user mouthful
Key technology.
In addition,
1, the optical fiber interface rate of this programme, it is easy to promoted to 5Gbps and 6Gbps etc., though transmission rate how much, area
It is not the how many variation of the linear speed 1000M and the 100M ethernet channel that are capable of providing, multiplexing technology variation is little；
2, E1 interface quantities can be different, but principle of multiplexing and processing method are all；
3, optical fiber interface quantity can be different, but is the same to the processing method of fibre circuit coding；
4, the E1 number that time-slot cross links between the E1 of inside can be different, but processing method is identical.
The various embodiments described above are only the preferred embodiment of the present invention, in the art, every to be based on skill of the present invention
Changes and improvements in art scheme should not exclude except protection scope of the present invention.
Claims (7)
1. a kind of based on the pseudo- synchronous wide band narrow band service integration system of high speed, which is characterized in that including：Optical fiber multiplexing chip,
Management module, reseting module, clock module, STBUS modules, ethernet interface module and 64K business interfaces；The optical fiber is multiple
Include with chip：Optical interface module, transmission message processing module and information access processing module；The transmission message processing module
It is connect respectively with the optical interface module and information access processing module signal；The management module, reseting module, clock module
It is connect respectively with the transmission message processing module signal；The STBUS modules respectively with described information access processing module and
64K business interface signals connect；The optical fiber multiplexing chip is connect with the ethernet interface module signal.
2. multi-functional communications all-in-one machine according to claim 1, which is characterized in that the transmission message processing module packet
It includes：ALT_GX modules, pretection switch control module, SCRAMBLER modules and DESCRAMBLER modules；At the access information
Managing module includes：GMII2OPT modules, MII2OPT modules and E12OPT modules；The ALT_GX modules connect with the light respectively
Mouth mold block, SCRAMBLER modules are connected with DESCRAMBLER module by signal；The SCRAMBLER modules and the pretection switch
Control module signal connects.
3. multi-functional communications all-in-one machine according to claim 2, which is characterized in that further include：It is Ethernet PHY chip, double
RAM, GFP module, scrambling module, 2.5G_OPT_TX and to end module；The GMII2OPT modules are obtained from Ethernet PHY chip
Data are obtained, are cached through double RAM, after the encapsulation of GFP modules, are jointly pushed away the data with the MII2OPT modules, E12OPT modules
It send to scrambling module, the parallel data after scrambling is pushed to the ALT_GX modules and does parallel-serial conversion by the scrambling module, is turned
The data after changing push to the optical interface module through 2.5G_OPT_TX signals and do electro-optic conversion, the transformed number
It is transferred to end module according to through optical fiber.
4. multi-functional communications all-in-one machine according to claim 3, which is characterized in that further include：2.5G_OPT_RX and PHY
Chip；The optical interface module is used to the optical signal from optical fiber being converted into electric signal, is pushed to through 2.5G_OPT_RX signals
The ALT_GX modules carry out serioparallel exchange and clock recovery, and the data after serioparallel exchange enter the DESCRAMBLER moulds
Block descrambling code；The data after descrambling code are sent respectively to the GMII2OPT modules, MII2OPT modules and E12OPT modules
By each branch service data flow frame decoding；The data after frame decoding are sent to PHY chip.
5. multi-functional communications all-in-one machine according to claim 4, which is characterized in that the PHY chip includes：Gigabit PHY
Chip and 100,000,000 PHY chips.
6. multi-functional communications all-in-one machine according to claim 1, which is characterized in that the ethernet interface module includes：
Gigabit PHY chip, 100,000,000 PHY chips and E1 interface circuits.
7. multi-functional communications all-in-one machine according to claim 1, which is characterized in that the 64K business interfaces be FX0,
At least one of FXS, V24, magnetite.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116346231A (en) * | 2023-05-29 | 2023-06-27 | 杭州飞畅科技有限公司 | Multi-channel E1 data transmission system and method based on Ethernet PHY chip |
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