CN203423700U - Multiplexing and de-multiplexing device - Google Patents
Multiplexing and de-multiplexing device Download PDFInfo
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- CN203423700U CN203423700U CN201320392590.8U CN201320392590U CN203423700U CN 203423700 U CN203423700 U CN 203423700U CN 201320392590 U CN201320392590 U CN 201320392590U CN 203423700 U CN203423700 U CN 203423700U
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Abstract
The utility model discloses a multiplexing and de-multiplexing device. The multiplexing and de-multiplexing device includes a plurality of first Ethernet signal transceiving modules transmitting Ethernet tributary signals to and receiving tributary signals from a user side and a main optical port transmitting optical signals to and receiving optical signals from a line side. The multiplexing and de-multiplexing device also includes a recognition unit, a main control unit, a GbE (gigabit Ethernet) frame processing unit and a multiplexing and de-multiplexing unit. The first Ethernet signal transceiving modules are connected with the recognition unit and the GbE frame processing unit. The GbE frame processing unit is connected with the multiplexing and de-multiplexing unit and the main control unit. The multiplexing and de-multiplexing unit is connected with the main optical port module. The main control unit is also connected with the recognition unit and the multiplexing and de-multiplexing unit. The multiplexing and de-multiplexing device can realizes transmission of Ethernet signals of different channels and having different rates in a multiplexing and de-multiplexing process of a WDM (Wavelength Division Multiplex).
Description
Technical field
The utility model relates to apparatus for multiplexing and demultiplexing, relates to especially the apparatus for multiplexing and demultiplexing of supporting the transmission of multichannel different rates signal, belongs to field of data transmission.
Background technology
What Ethernet was used is with Carrier Sense Multiple Access/collision detection (CSMA/CD, Carrier Sense Multiple Access/Collision Detection) broadcast type network of mechanism, simple as a kind of principle, be convenient to realize simultaneously again the main flow that cheap local area network technology has become industry.And the appearance of more high performance Fast Ethernet and gigabit Ethernet becomes the most promising network technology.Fast Ethernet (FE, Fast Ethernet) 100 m ethernet that namely we often say, it is keeping under the prerequisite of frame format, Media access control (MAC) mechanism and maximum transmission unit (MTU) quality, and the Ethernet of its speed ratio 10Base-T has increased by 10 times.Similitude between the two can be used the existing application program of 10Base-T Ethernet and network-management tool on Fast Ethernet.Gigabit Ethernet (GE, Gigabit Ethernet) be a kind of novel high speed local area network (LAN), it can provide the communication bandwidth of 1Gbps, employing and traditional 10M, same CSMA/CD agreement, frame format and the frame length of 100M Ethernet, therefore can realize level and smooth, successional network upgrade on original low speed Basic Ethernet.
Adopt the higher wavelength division multiplexing (WDM of cost performance, Wavelength Division Multiplexing) technology can maximally utilise that existing metropolitan area fiber basis facility meets following small-sized metropolitan area network and large-scale metropolitan area network converges, the needed bandwidth of Access Layer business, optical fiber shortage and multi-service transparent transmission problem have been solved, and the framework of wdm system simple and flexible, can helping Virtual network operator short time construction network and commence business, is the networking means that a kind of applicable broadband metropolitan area network is used.
Fig. 1 is the standard configuration of WDM transmission network point-to-point, user's side multipath light signal is by each self-corresponding wavelength conversion unit (OTU, Optical Transform Unit) be converted to respectively specific wavelength λ 1, λ 2, single wavelength light signal of λ n etc., multichannel list wavelength light signal after conversion is at optical multiplex unit (OMU, Optical Multiplexer Unit) in an optical fiber, transfer to Optical Demultiplexing unit (ODU after closing ripple, Optical Demultiplexer Unit), ODU carries out partial wave to the light signal receiving, form wavelength and be respectively λ 1, λ 2, the multichannel list wavelength light signal of λ n etc., the single wavelength light signal in each road is converted to respectively corresponding interface wavelength Yi road light signal through OTU separately again and exports line side to, thereby realize the light signal with an optical multiplex transmission different wave length.
But there is following shortcoming in currently available technology:
1, can only by WDM by by a kind of 100,000,000 or the specific wavelength signal that converts to of gigabit ethernet signal carry out after multiplexing transmitting in an optical fiber, wavelength utilance is reduced greatly.
2, in point-to-point transmission process, once line failure can cause whole piece link traffic to be interrupted.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of apparatus for multiplexing and demultiplexing, can in the multiplexing and demultiplexing process of WDM, realize the transmission of the ethernet signal of multichannel different rates, improves wavelength utilance.
For solving the problems of the technologies described above, the apparatus for multiplexing and demultiplexing that the utility model provides, comprising:
A plurality of the first ethernet signal transceiver modules to user's side transmitting-receiving Ethernet tributary signal, and the primary light mouth module of receiving and dispatching light signal to line side, further, also comprise: recognition unit, main control unit, gigabit Ethernet frame processing unit and multiplexing and demultiplexing unit; Described the first ethernet signal transceiver module is connected with described recognition unit, described gigabit Ethernet frame processing unit, described gigabit Ethernet frame processing unit is connected with described multiplexing and demultiplexing unit, described main control unit, described multiplexing and demultiplexing unit is connected with described primary light mouth module, and described main control unit is also connected with described recognition unit, described multiplexing and demultiplexing unit respectively; Wherein,
A plurality of described the first ethernet signal transceiver modules are received and dispatched the Ethernet tributary signal of incomplete same speed, and to described recognition unit, send signal in place when installation is in place;
Described recognition unit is identified the type of described the first ethernet signal transceiver module according to the signal in place receiving, and recognition result is reported to main control unit;
Described main control unit is configured being provided with the mode of operation of the first ethernet signal transceiver module corresponding ports described in each in described gigabit Ethernet frame processing unit according to recognition result;
Described gigabit Ethernet frame processing unit sends a plurality of described the first ethernet signal transceiver modules multichannel Ethernet tributary signal with electrical signal form converges to form and converges data, and be sent to described multiplexing and demultiplexing unit, or the solution from described multiplexing and demultiplexing unit is converged to data solution and converge the formation multichannel Ethernet branch road signal of telecommunication, and be sent to corresponding described the first ethernet signal transceiver module;
Described multiplexing and demultiplexing unit forms multiplex data by the data-reusing that converges receiving, re-send to described primary light mouth module, or the multiplex data demultiplexing from described primary light mouth module is formed to solution and converge data, then be sent to described gigabit Ethernet frame processing unit.
Further, described the first ethernet signal transceiver module is for to receive and dispatch to user's side the light mouth module that too net tributary signal is light signal; Or the electricity mouthful module that described the first ethernet signal transceiver module is is the signal of telecommunication to user's side transmitting-receiving Ethernet tributary signal.
Further, a plurality of described the first ethernet signal transceiver modules are the module of at least two types in gigabit light mouth module, 100,000,000 light mouth modules, 10,000,000 light mouth modules, 10/100/1000M adaptive electro mouth module.
Further, described in each, the first ethernet signal transceiver module is connected with recognition unit by I2C interface.
Further, described gigabit Ethernet frame processing unit is connected with multiplexing and demultiplexing unit by SERDES or SGMII.
Further, described apparatus for multiplexing and demultiplexing also comprises a plurality of the second ethernet signal transceiver modules that are connected with described recognition unit, described main control unit, and the 100 m ethernet frame processing unit being connected with described multiplexing and demultiplexing unit with described the second ethernet signal transceiver module; Wherein,
Described the second ethernet signal transceiver module transmitting-receiving speed is no more than the Ethernet tributary signal of 100M, and to described recognition unit, sends signal in place when installation is in place; Described recognition unit is identified the type of described the second ethernet signal transceiver module according to the signal in place receiving, and recognition result is reported to described main control unit; Described main control unit is configured being provided with the mode of operation of the second ethernet signal transceiver module corresponding ports described in each in described 100 m ethernet frame processing unit according to recognition result;
Described 100 m ethernet frame processing unit sends a plurality of described the second ethernet signal transceiver modules multichannel Ethernet tributary signal with electrical signal form converges to form and converges data and be sent to described multiplexing and demultiplexing unit, or the solution from described multiplexing and demultiplexing unit is converged to data solution and converge the formation multichannel Ethernet branch road signal of telecommunication, and be sent to corresponding described the second ethernet signal transceiver module;
Described multiplexing and demultiplexing unit, the data-reusing that converges from described gigabit Ethernet frame processing unit and the output of described 100 m ethernet frame processing unit is formed to multiplex data, re-send to described primary light mouth module, or will after the multiplex data demultiplexing from described primary light mouth module, be sent to respectively described gigabit Ethernet frame processing unit and described 100 m ethernet frame processing unit.
Further, described 100 m ethernet frame processing unit is connected with described multiplexing and demultiplexing unit by Media Independent Interface.
Further, a plurality of described the second ethernet signal transceiver modules are more than one types in 100,000,000 light mouth modules, 10,000,000 light mouth modules, 10/100M adaptive electro mouth module.
Further, to the standby light mouth module of line side transmitting-receiving light signal, described primary light mouth module, described standby light mouth module and optional unique electrical connection the in described multiplexing and demultiplexing unit;
Described standby light mouth module is carried out electro-optical conversion by the multiplexed signals from described multiplexing and demultiplexing unit, forming Ethernet light signal sends, or receive the too net light signal from line side, and carry out after light-to-current inversion, form the Ethernet signal of telecommunication and send to described multiplexing and demultiplexing unit.
Further, the detecting unit being connected respectively with described standby light mouth module with described primary light mouth module, and the Alarm Unit being connected with described detecting unit, described main control unit;
The operating state of the described detecting unit described primary light mouth module of monitoring and described standby light mouth module, when described primary light mouth module being detected in non operating state, sends non operating state signal to described Alarm Unit;
Described Alarm Unit receives after non operating state signal, produces alarm signal and is sent to described main control unit, and described main control unit indicates described multiplexing and demultiplexing unit to select and unique connection of described standby light mouth module.
The utlity model has following remarkable advantage:
(1) apparatus for multiplexing and demultiplexing that the utility model embodiment provides can be realized the transmission of the ethernet signal of multichannel different rates in the multiplexing and demultiplexing process of WDM, promote wavelength utilance, increase the coverage of multi-service mixed signal, and can utilize preferably existing transfer resource to save engineering cost;
(2) apparatus for multiplexing and demultiplexing that the utility model embodiment provides has been expanded business transmission range, meets multi-service transmission demand;
(3) apparatus for multiplexing and demultiplexing that the utility model embodiment provides adopts secondary to converge pattern, can promote the stability of signal transmission;
(4) the utility model embodiment provides apparatus for multiplexing and demultiplexing adopts 1+1 protection pattern, reliability that can intensifier.
Accompanying drawing explanation
Apparatus for multiplexing and demultiplexing construction module figure in Fig. 1, prior art;
Fig. 2, the utility model embodiment mono-apparatus for multiplexing and demultiplexing structured flowchart;
The schematic diagram of Fig. 3, the utility model embodiment mono-recognition unit identification light mouth module type;
Fig. 4, the unit multiplexed block diagram of the utility model embodiment mono-multiplexing and demultiplexing;
Fig. 5, the utility model embodiment mono-multiplexing and demultiplexing unit demultiplexing block diagram;
Fig. 6, the utility model embodiment bis-apparatus for multiplexing and demultiplexing structured flowcharts;
Fig. 7, the utility model embodiment tri-apparatus for multiplexing and demultiplexing structured flowcharts;
Fig. 8, the unit multiplexed block diagram of the utility model embodiment tri-multiplexing and demultiplexing.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The apparatus for multiplexing and demultiplexing that the utility model embodiment provides can be applied to the occasion that user's side has the ethernet signal of multichannel different rates, this device comprises, a plurality of the first ethernet signal transceiver modules to user's side transmitting-receiving Ethernet tributary signal, and the primary light mouth module of receiving and dispatching light signal to line side, also comprise: recognition unit, main control unit, gigabit Ethernet frame processing unit and multiplexing and demultiplexing unit; Described the first ethernet signal transceiver module is connected with described recognition unit, described gigabit Ethernet frame processing unit, described gigabit Ethernet frame processing unit is connected with described multiplexing and demultiplexing unit, described main control unit, described multiplexing and demultiplexing unit is connected with described primary light mouth module, and described main control unit is also connected with described recognition unit; Wherein,
A plurality of described the first ethernet signal transceiver modules are received and dispatched the Ethernet tributary signal of incomplete same speed, and to described recognition unit, send signal in place when installation is in place; Described recognition unit is identified the type of the first ethernet signal transceiver module according to the signal in place receiving, and recognition result is reported to described main control unit; Described main control unit is configured being provided with the mode of operation of the first ethernet signal transceiver module corresponding ports described in each in described gigabit Ethernet frame processing unit according to recognition result; Described gigabit Ethernet frame processing unit sends a plurality of described the first ethernet signal transceiver modules multichannel Ethernet tributary signal with electrical signal form converges to form and converges data, and be sent to described multiplexing and demultiplexing unit, or the solution from described multiplexing and demultiplexing unit is converged to data solution and converge the formation multichannel Ethernet branch road signal of telecommunication, and be sent to the first corresponding ethernet signal transceiver module; Described multiplexing and demultiplexing unit forms multiplex data by the data-reusing that converges receiving, re-send to primary light mouth module, or the multiplex data demultiplexing of independently using up mouthful module in the future forms solution and converges data, then is sent to described gigabit Ethernet frame processing unit.
Further; in order to prevent line failure; cause whole piece link traffic to be interrupted; the utility model embodiment adopts 1+1 protection pattern to the optical link in line side, the signal transmission of formation is transferred to respectively to corresponding remote equipment in two optical fiber, wherein; an optical fiber is as main line passage; an optical fiber, as extension wire passage, when primary line channel breaks down, automatically switches to extension wire passage.
The apparatus for multiplexing and demultiplexing that uses the utility model embodiment to propose, can realize the multiple-rate business signal that comprises gigabit ether signal and 100,000,000 ether signals is zoomed out to transmission, and can utilize preferably existing transfer resource to save engineering cost.
Embodiment mono-:
As shown in Figure 2, a kind of apparatus for multiplexing and demultiplexing comprises as follows: 4 the first ethernet signal transceiver modules, and recognition unit, gigabit Ethernet frame processing unit, multiplexing and demultiplexing unit, main control unit, primary light mouth module, wherein:
The first ethernet signal transceiver module, be connected with gigabit Ethernet frame processing unit, the first different ethernet signal transceiver modules is received and dispatched the Ethernet tributary signal of incomplete same speed, and to recognition unit, send signal in place when being in place, and the Ethernet tributary signal of receiving from user's side joint is sent to gigabit Ethernet frame processing unit with electrical signal form, or the Ethernet branch road signal of telecommunication from gigabit ethernet frame processing unit is sent to user's side.
In the present embodiment, the first ethernet signal transceiver module can be gigabit light mouth module, 100,000,000 light mouth modules, 10,000,000 light mouth modules or 10/100/1000M adaptive electro mouth module; When the first ethernet signal transceiver module is 10,000,000 light mouth modules or 100,000,000 light mouth modules or gigabit light mouth module, received Ethernet tributary signal is light signal, after described light signal is converted to the Ethernet branch road signal of telecommunication, send to gigabit Ethernet frame processing unit, and to user's side, send again after the Ethernet branch road signal of telecommunication from gigabit ethernet frame processing unit is converted to light signal; When ethernet signal transceiver module is 10/100/1000M adaptive electro mouth module, the Ethernet branch road signal of telecommunication receiving directly sends to gigabit Ethernet frame processing unit, and the Ethernet branch road signal of telecommunication from gigabit ethernet frame processing unit is directly sent to user's side.
Recognition unit, be connected with main control unit, and be connected respectively (typically with each first ethernet signal transceiver module, by I2C interface), recognition unit is identified the type of ethernet signal transceiver module in place by receiving the signal in place of the first ethernet signal transceiver module, and recognition result is reported to main control unit.
In the present embodiment, when insertion ethernet signal transceiver module is gigabit or 100,000,000 light mouth module, recognition unit receives after the signal in place that this first ethernet signal transceiver module sends, read this light mouth rate module of validation of information in the built-in EEPROM of this light mouth module, and report to main control unit; When insertion ethernet signal transceiver module is 10/100/1000M adaptive electro mouth module, recognition unit receives after the signal in place that this ethernet signal transceiver module sends, read the auto-negotiation information in the built-in EEPROM of this adaptive electro mouth module, and report to main control unit.Illustrate a bit, the signal in place that various types of ethernet signal transceiver modules send is all consistent, and is to send to recognition unit by different I2C interfaces, and recognition unit is cognizable by the information of the EEPROM that reads.This recognition technology is technology well known to those of ordinary skill in the art, does not repeat them here.
Main control unit, is also connected with gigabit Ethernet frame processing unit, according to the recognition result from recognition unit, to being provided with the mode of operation of the corresponding ports of each ethernet signal transceiver module in gigabit Ethernet frame processing unit, is configured.
In the present embodiment, main control unit, according to being gigabit pattern or 100,000,000 patterns with PHY layer, the MAC layer port of the corresponding ports of each ethernet signal transceiver module in light mouth rate module configuration gigabit Ethernet frame processing unit, is realized the access of gigabit or 100,000,000 optical Ethernet business; Main control unit utilizes the principle of Ethernet auto-negotiation according to the auto-negotiation information receiving, the corresponding ports of configuration gigabit Ethernet frame processing unit is adaptive model, realizes the Ethernet service access of 10,000,000 electricity, 100,000,000 electricity, 1,000 million electricity.
Gigabit Ethernet frame processing unit, also be connected with multiplexing and demultiplexing unit, typically, by serialization/de-serialization circuit interface (Serializer/Deserializer circuit, SERDES) and serial gigabit Media Independent Interface (Serial Gigabit Media Independent Interface, SGMII) be connected with multiplexing and demultiplexing unit, the multichannel Ethernet branch road signal of telecommunication receiving is carried out to convergence processing according to predetermined processing mode, and the data that converge that form are sent to multiplexing and demultiplexing unit, or the data that converge from multiplexing demultiplexing unit are separated to convergence processing according to predetermined processing mode, and be sent to corresponding ethernet signal transceiver module by forming the multichannel Ethernet branch road signal of telecommunication.
In the present embodiment, for the 4 road Ethernet branch road signals of telecommunication, according to predetermined processing mode, carry out convergence processing and form 2 roads and converge data, be specially:
The 4 road Ethernet branch road signals of telecommunication are the ethernet signal that speed is different, it is received respectively by dissimilar ethernet signal transceiver module, by recognition unit, identified, for example, can be: the 2 road 1000M Ethernet branch road signals of telecommunication, the 2 road 100M Ethernet branch road signals of telecommunication, exemplarily as shown in Figure 2, be the first ethernet signal GE1 stamp a VLAN=1 enter physical port mark, and the Frame of setting up VLAN=1 corresponds to the physical port of this first ethernet signal GE1, be the second ethernet signal GE2 stamp a VLAN=2 enter physical port mark, and the Frame of setting up VLAN=2 corresponds to the physical port of this second ethernet signal GE2, the first ethernet signal GE1 and the second ethernet signal GE2 pool first and converge data G3, and send from its corresponding physical port.In like manner three-ethernet signal GE4 and the 4th ethernet signal GE5 stamp respectively the port label of VLAN=3, VLAN=4, pool second and converge data GE6, and send from its corresponding physical port.
In the present embodiment, by converging data from 2 tunnels of multiplexing demultiplexing unit, according to predetermined processing mode, separate convergence processing, be specially:
First converges its corresponding physical port of label information that data GE3 carries VLAN=1, VLAN=2 enters multiplexing and demultiplexing unit, according to the Frame of setting up VLAN=1, correspond to the physical port of the first ethernet signal GE1, the Frame of setting up VLAN=2 corresponds to the physical port of the first ethernet signal GE2, the first ethernet frame that converges the corresponding physical port of data GE3 sends corresponding the first ethernet signal GE1 and the second ethernet signal GE2 according to different labels to different ports respectively, realizes the first solution convergence processing that converges data GE3.In like manner, second converges data GE6 according to the label information of VLAN=3, VLAN=4, realizes the solution convergence processing to the 4th ethernet signal GE4 and the 5th ethernet signal GE5.
In the present embodiment, the Ethernet signal of telecommunication that gigabit Ethernet frame processing unit receives is gigabit or 100,000,000 o'clock, physical layer PHY is converted to the described business signal of telecommunication to meet serialization/de-serialization circuit interface (Serializer/Deserializer circuit, SERDES) the gigabit Ethernet physical layer signal of telecommunication, the medium access control layer of gigabit Ethernet frame processing unit (Media Access Control, MAC) by the gigabit Ethernet physical layer signal of telecommunication encapsulate, mapping and framing transmit; When receiving 10M/100M/1000M self adaptation Ethernet service signal, can select serial gigabit Media Independent Interface (Serial Gigabit Media Independent Interface, SGMII) to transmit.
Multiplexing and demultiplexing unit, forms multiplex data by the data-reusing that converges from gigabit ethernet frame processing unit, is sent to primary light mouth module; Or Ethernet data (these data are the multiplex data that meets this device multiplexing and demultiplexing mode) demultiplexing of independently using up mouthful module in the future forms demultiplexed data and is sent to gigabit ethernet frame processing unit.
In the present embodiment, in multiplexing direction: GE3, GE6 two-way converge data and pass through respectively framer, add one's own tag sign, by multiplexer, realize multiplexingly, form road Fast Ethernet data and send.
In demultiplexing direction, Ethernet data through deframer, is removed the tag sign that framer adds, and recovers GE3, GE6 two-way converges data, and is sent to the interface that gigabit ethernet frame processing unit is corresponding.
Line side primary light mouth module, is connected with multiplexing and demultiplexing unit, the multiplex data from multiplexing demultiplexing unit is converted to light signal and sends to line side, and send to multiplexing and demultiplexing unit after converting the light signal from line side to multiplex data.
Utilize the apparatus for multiplexing and demultiplexing that the present embodiment proposes can be applied to the occasion that user's side has the ethernet signal of multichannel different rates, strengthened the compatibility of apparatus for multiplexing and demultiplexing.
The course of work of the device of the present embodiment one is as follows:
Steps A, when the first ethernet signal transceiver module of user's side is in place, it sends signal in place to recognition unit; As shown in Figure 2,4 the first ethernet signal transceiver modules can send successively signal in place by priority in place when being in place;
Step B, recognition unit is identified the type of the first inserted ethernet signal transceiver module according to the signal in place receiving, and recognition result is reported to main control unit, by main control unit to being configured with the mode of operation of each the first ethernet signal transceiver module corresponding ports in gigabit Ethernet frame processing unit.
In this step, recognition unit can exemplarily be identified ethernet signal transceiver module type in the following manner, as shown in Figure 3:
For each ethernet signal transceiver module, recognition unit provides an independent I
2c (SCL SDA) interface, recognition unit reads the EEPROM information of each ethernet signal transceiver module inside, respectively each interface is operated, EEPROM is divided into A0 and two addresses of A2, and A0 is the information such as the essential information type that is used for storing ethernet signal transceiver module, speed, model, version; A2 is the information such as the digital diagnostic information transmitting optical power that is used for storing ethernet signal transceiver module, received optical power, bias current, operating voltage, temperature;
When recognition unit receives after signal in place, read the inner EEPROM(A0 of the first ethernet signal transceiver module address) this rate module of validation of information, and report to main control unit, main control unit is associative mode and speed according to corresponding PHY layer, the MAC layer port of this rate module configuration gigabit Ethernet frame processing unit, realizes the automatic identification of 100,000,000 light mouth modules, gigabit light mouth module, 10 100 1000M adaptive electro mouth module types.
After above-mentioned identifying finishes, the process of the transmission of many speed ethernet signal between user's side and line side is as follows:
(1) multiplexing direction,
Step C, 4 the first ethernet signal transceiver modules send to gigabit Ethernet frame processing unit by the Ethernet tributary signal receiving respectively.
In this step, if the first ethernet signal transceiver module is light mouth module, the Ethernet tributary signal receiving is light signal, need to carry out after opto-electronic conversion, and the signal of telecommunication after conversion is sent to gigabit Ethernet frame processing unit; If ethernet signal transceiver module is light mouth module, be electricity mouthful module, the Ethernet tributary signal receiving is the signal of telecommunication, can directly this signal of telecommunication directly be sent to gigabit Ethernet frame processing unit.
Step D, the 4 tunnel first Ethernet branch road signals of telecommunication that gigabit Ethernet frame processing unit docking is received are processed formation 2 roads and are converged data and be sent to multiplexing and demultiplexing unit;
The process of converging can be:
Be the first ethernet signal GE1 stamp a VLAN=1 enter physical port mark, and the Frame of setting up VLAN=1 corresponds to the physical port of the first ethernet signal GE1, be the second ethernet signal GE2 stamp a VLAN=2 enter physical port mark, and the Frame of setting up VLAN=2 corresponds to the physical port of the second ethernet signal GE2, the first ethernet signal GE1 and the second ethernet signal GE2 converge and form first and converge data GE3.When any Ethernet message (clean culture, multicast, broadcast) enters physical port corresponding to the first ethernet signal GE1, can between MAC Address and data, add the label of VLAN=1, and carry VLAN=1 label and only to first, converge the physical port that ethernet signal GE3 is corresponding and send; When any Ethernet message (clean culture, multicast, broadcast) enters physical port corresponding to the second ethernet signal GE2, can between MAC Address and data, add the label of VLAN=2, and the label that carries VLAN=2 only converges to first the physical port that data GE3 is corresponding and sends; Completing the first ethernet signal GE1 and the second ethernet signal GE2 converges to the first Ethernet data that converges data GE3 port; In like manner port three-ethernet signal GE4, the 4th ethernet signal GE5 can stamp respectively the label of VLAN=3, VLAN=4, second converges physical port that data GE6 is corresponding as the port that converges of three-ethernet signal GE4 and the 4th ethernet signal GE5, and the Ethernet data that completes three-ethernet signal GE4 and the 4th ethernet signal GE5 converges.
Step D, multiplexing and demultiplexing unit converges data-reusing Wei Yi road multiplex data by 2 roads.
Exemplarily, as shown in Figure 4, first converges data GE3, second converges data GE6 and passes through respectively framer Framer0 and framer Framer1, adds one's own tag sign, by multiplexer MUX0, is completed and is multiplexed with a road multiplex data output;
Step e, primary light mouth module is carried out electro-optical conversion by the multiplex data receiving and is transformed to line side Ethernet light signal and sends.
(2) demultiplexing direction
Step C ', primary light mouth module is carried out opto-electronic conversion by the Ethernet light signal receiving from line side and is formed the Ethernet signal of telecommunication, and sends to multiplexing and demultiplexing unit; Now, Ethernet light signal is the ethernet signal that utilizes the described method of the above-mentioned multiplexing direction of the present embodiment one to process before outputing to line side transmission in order conveniently to zoom out transmission;
Step D ', multiplexing and demultiplexing unit carries out demultiplexing to the ethernet signal receiving;
As shown in Figure 5, ethernet signal by corresponding demodulation multiplexer DEMU0, through deframer Deframer0 and deframer Deframer1, is removed the tag sign that framer Framer0 adds, and recovers first and converges data GE3, second and converge data GE6.
Step e ', gigabit Ethernet frame processing unit converges data to 2 roads and separates convergence processing, and each ethernet signal after solution is converged sends to corresponding ethernet signal transceiver module from corresponding port.
In this step, the solution process of converging is:
First converges physical port that data GE3 is corresponding as the port that converges of the first ethernet signal GE1 and the second ethernet signal GE2, the Ethernet data of coming in from this port can carry VLAN=1, the label information of VLAN=2, according to the Frame of setting up VLAN=1, correspond to physical port corresponding to the first ethernet signal GE1, the Frame of setting up VLAN=2 corresponds to physical port corresponding to the second ethernet signal GE2, the first ethernet frame that converges the physical port that data GE3 is corresponding respectively according to different labels to different ethernet signal (GE1, GE2) corresponding ports sends, completing first converges data GE3 and converges to the solution of the first ethernet signal GE1 and the second ethernet signal GE2.In like manner enter the second ethernet data frame that converges the physical port that data GE6 is corresponding according to the label information of VLAN=3, VLAN=4, complete to the solution of three-ethernet signal GE4 and the 4th ethernet signal GE5 Frame and converge.
Step F ', 4 ethernet signal transceiver modules send according to module type the ethernet signal receiving to user's side, and particularly, light mouth module, need to first carry out sending to user's side after electric light conversion if; Electricity mouthful module, can directly send to user's side if.
Therefore the device of the present embodiment one can carry out multiplexing transmission by the ethernet signal of a plurality of different rates, not only implementation structure is simple but also cost is lower.
Embodiment bis-:
In order further to increase the extensibility of embodiment mono-, especially exist on the basis of embodiment mono-described device, in order to meet dilatation and to reduce further dilatation cost, in the situation that the signal rate that user's side accesses is no more than 100,000,000, as described in Figure 6, the present embodiment two can increase 100 m ethernet frame processing unit on the basis of embodiment mono-described device, wherein:
100 m ethernet frame processing unit, be connected with multiplexing and demultiplexing unit, for the multichannel Ethernet branch road signal of telecommunication receiving is carried out to convergence processing according to predetermined processing mode, formation is converged data and is sent to multiplexing and demultiplexing unit, or the data that converge from multiplexing demultiplexing unit are separated to convergence processing according to predetermined processing mode, and form the multichannel Ethernet branch road signal of telecommunication and send;
In the present embodiment, 100 m ethernet frame processing unit receives 10M and the 100M Ethernet service signal of telecommunication, according to MAC address learning principle, according to the message format of the Ethernet signal of telecommunication that receives, determine that its source, destination address carry out storage forwarding and be converted to after the signal that meets 100 m ethernet frame processing unit Media Independent Interface (MediaIndependentInterface, MII) converges sending to multiplexing and demultiplexing unit by MII interface; And from MII interface, receive the demultiplexed signal from multiplexing and demultiplexing unit, according to data frame format content, determine that storage forwarding that its source, destination address carry out ethernet data frame is to user's side.Now, described multiplexing and demultiplexing unit, by multiplexer MUX0 and multiplexer MUX1, realize Data Concurrent, the signal that converges that converges signal and the output of 100 m ethernet frame processing unit of soon exporting by gigabit Ethernet frame processing unit carries out the multiplexing rear parallel primary light mouth module that is sent to; And the ethernet signal receiving from primary light mouth module is directly carried out outputing to respectively gigabit Ethernet frame processing unit and 100 m ethernet frame processing unit after data separating among demodulation multiplexer DEMU0.
The Ethernet branch road signal of telecommunication that in the present embodiment, 100 m ethernet frame processing unit receives can be the signal of signal rate below 100M, it can be the Ethernet branch road signal of telecommunication sending from 100,000,000 light mouth modules, can be also the Ethernet branch road signal of telecommunication sending from 10/100M adaptive electro mouth module; When being light mouth module, 100,000,000 light mouth modules send to 100 m ethernet frame processing unit after light signal is converted to the Ethernet branch road signal of telecommunication, and send after the Ethernet branch road signal of telecommunication from 100 m ethernet frame processing unit is converted to light signal again; When being 10/100M adaptive electro mouth module, adaptive electro mouth module directly sends to 100 m ethernet frame processing unit by the Ethernet branch road signal of telecommunication, and the Ethernet branch road signal of telecommunication from 100 m ethernet frame processing unit is directly sent.
The present embodiment can carry out System Expansion and access signal rate when 100M is following, to effectively reduce cost by increasing 100 m ethernet frame processing unit.
In the device forming at the present embodiment two, recognition unit is also connected with 100 m ethernet frame processing unit, and its operation principle and embodiment mono-are similar, do not repeat them here; The work of the remaining element in the present embodiment and annexation are also similar with embodiment mono-, at this, also repeat no more.
The course of work of the device described in the course of work of the device of the present embodiment two and embodiment mono-is similar, difference is only, in multiplexing direction, described 100 m ethernet frame processing unit sends to multiplexing and demultiplexing unit by MII interface after the multichannel Ethernet branch road signal of telecommunication receiving is converged, and by multiplexing and demultiplexing unit, the data that converge that converge data and the output of 100 m ethernet frame processing unit of exporting by gigabit Ethernet frame processing unit is carried out to the multiplexing rear parallel primary light mouth module that is sent to; And in demultiplexing direction, in multiplexing and demultiplexing unit, will the ethernet signal separation receiving from primary light mouth module, send to respectively gigabit Ethernet frame processing unit and 100 m ethernet frame processing unit, and then to customer side, send respectively.
Embodiment tri-:
On the basis of above-described embodiment one or embodiment bis-, the present embodiment three has increased standby light mouth module, detecting unit and Alarm Unit, as shown in Figure 7, wherein:
Standby light mouth module, itself and primary light mouth module and optional unique electrical connection the in described multiplexing and demultiplexing unit, for the multiplex data from multiplexing demultiplexing unit is carried out to electro-optical conversion, form Ethernet light signal and send to line side, or the Ethernet light signal from line side is carried out to form multiplex data after light-to-current inversion send to multiplexing and demultiplexing unit;
Detecting unit, be connected respectively with standby light mouth module with primary light mouth module, for monitoring the operating state of primary light mouth module and standby light mouth module, when described primary light mouth module being detected in non operating state, to described Alarm Unit, send non operating state signal;
Alarm Unit, is connected with described detecting unit, described main control unit, when receiving non operating state signal, produces alarm signal and is also sent to main control unit;
Now, described main control unit indicates described multiplexing and demultiplexing unit to select and unique connection of described standby light mouth module after receiving alarm signal.
The course of work of the device described in the course of work of the device of the present embodiment three and embodiment mono-and embodiment bis-is similar, because the device of the present embodiment three has increased standby light mouth module, in multiplexing and demultiplexing unit, pools two-way multiplex data, be specially,
In multiplexing direction, as shown in Figure 8, what gigabit Ethernet frame processing unit sent first converges data GE3 and second and converges data GE6 and pass through respectively framer Framer0 and framer Framer1, add one's own tag sign, be sent to multiplexer MUX0 and multiplexer MUX1, 100 m ethernet frame processing unit sends converges data, also be sent to multiplexer MUX0 and multiplexer MUX1, multiplexer MUX0 and multiplexer MUX1 complete respectively 3 roads and converge the multiplexing of data, form a standby multiplex data in primary multiplex data He Yi road, road, primary multiplex data is sent to primary light mouth module, when primary light mouth module breaks down, standby multiplex data is sent to standby light mouth module,
In demultiplexing direction, demultiplexing process and above-mentioned multiplex process contrary, do not repeat them here.
In the present embodiment, by 1+1 protection, promoted the reliability of apparatus for multiplexing and demultiplexing, when primary light mouth module breaks down, main control unit can carry out business switching timely according to alarm signal, effectively avoids the long-time interruption of business.
It should be noted that, in the above embodiments one, two, three, adopt the utility model apparatus for multiplexing and demultiplexing can realize the transmission of multichannel different rates ethernet signal, described multichannel different rates is not limited to 6 road ethernet signals in above-described embodiment, gigabit Ethernet frame processing unit is also not limited to only access 4 road ethernet signals, and 100 m ethernet frame processing unit is also not limited to only access 2 road ethernet signals, can be according to the suitable option and installment of networking scene.In addition, in above-described embodiment mentioned converge with multiplexing be also schematically a kind of, those skilled in the art can adopt the existing mode that exists in prior art to converging and the input and output of multiplexed signals are configured according to actual needs.
Should be understood that; concerning the those of ordinary skill in field, the utility model technology place; can be equal to accordingly change or replace according to the technical solution of the utility model and design thereof; and all these changes or replacement all should belong to the protection range of the utility model claims.
Claims (10)
1. an apparatus for multiplexing and demultiplexing, comprises, to a plurality of first ethernet signal transceiver modules of user's side transmitting-receiving Ethernet tributary signal, and the primary light mouth module of receiving and dispatching light signal to line side, it is characterized in that, also comprise:
Recognition unit, main control unit, gigabit Ethernet frame processing unit and multiplexing and demultiplexing unit; Described the first ethernet signal transceiver module is connected with described recognition unit, described gigabit Ethernet frame processing unit, described gigabit Ethernet frame processing unit is connected with described multiplexing and demultiplexing unit, described main control unit, described multiplexing and demultiplexing unit is connected with described primary light mouth module, and described main control unit is also connected with described recognition unit, described multiplexing and demultiplexing unit respectively; Wherein,
A plurality of described the first ethernet signal transceiver modules are received and dispatched the Ethernet tributary signal of incomplete same speed, and to described recognition unit, send signal in place when installation is in place;
Described recognition unit is identified the type of described the first ethernet signal transceiver module by receiving signal in place, and recognition result is reported to main control unit;
Described main control unit is configured being provided with the mode of operation of the first ethernet signal transceiver module corresponding ports described in each in described gigabit Ethernet frame processing unit according to recognition result;
Described gigabit Ethernet frame processing unit sends a plurality of described the first ethernet signal transceiver modules multichannel Ethernet tributary signal with electrical signal form converges to form and converges data, and be sent to described multiplexing and demultiplexing unit, or the solution from described multiplexing and demultiplexing unit is converged to data solution and converge the formation multichannel Ethernet branch road signal of telecommunication, and be sent to corresponding separately described the first ethernet signal transceiver module;
Described multiplexing and demultiplexing unit forms multiplex data by the data-reusing that converges receiving, re-send to described primary light mouth module, or the multiplex data demultiplexing from described primary light mouth module is formed to solution and converge data, then be sent to described gigabit Ethernet frame processing unit.
2. apparatus for multiplexing and demultiplexing as claimed in claim 1, is characterized in that,
Described the first ethernet signal transceiver module is for to receive and dispatch to user's side the light mouth module that too net tributary signal is light signal; Or
The electricity mouthful module that described the first ethernet signal transceiver module is is the signal of telecommunication to user's side transmitting-receiving Ethernet tributary signal.
3. apparatus for multiplexing and demultiplexing as claimed in claim 1, is characterized in that,
A plurality of described the first ethernet signal transceiver modules are the module of at least two types in gigabit light mouth module, 100,000,000 light mouth modules, 10,000,000 light mouth modules, 10/100/1000M adaptive electro mouth module.
4. the apparatus for multiplexing and demultiplexing as described in claim 1,2 or 3, is characterized in that,
Described in each, the first ethernet signal transceiver module is connected with described recognition unit by I2C interface.
5. the apparatus for multiplexing and demultiplexing as described in claim 1,2 or 3, is characterized in that,
Described gigabit Ethernet frame processing unit is connected with described multiplexing and demultiplexing unit by SERDES or SGMII.
6. apparatus for multiplexing and demultiplexing as claimed in claim 1, is characterized in that, described apparatus for multiplexing and demultiplexing also comprises:
A plurality of the second ethernet signal transceiver modules that are connected with described recognition unit, described main control unit, and the 100 m ethernet frame processing unit being connected with described multiplexing and demultiplexing unit with described the second ethernet signal transceiver module; Wherein,
Described the second ethernet signal transceiver module transmitting-receiving speed is no more than the Ethernet tributary signal of 100M, and to described recognition unit, sends signal in place when installation is in place; Described recognition unit is identified the type of described the second ethernet signal transceiver module according to the signal in place receiving, and recognition result is reported to described main control unit; Described main control unit is configured being provided with the mode of operation of the second ethernet signal transceiver module corresponding ports described in each in described 100 m ethernet frame processing unit according to recognition result;
Described 100 m ethernet frame processing unit sends a plurality of described the second ethernet signal transceiver modules multichannel Ethernet tributary signal with electrical signal form converges to form and converges data and be sent to described multiplexing and demultiplexing unit, or the solution from described multiplexing and demultiplexing unit is converged to data solution and converge the formation multichannel Ethernet branch road signal of telecommunication, and be sent to corresponding separately described the second ethernet signal transceiver module;
Described multiplexing and demultiplexing unit, the data-reusing that converges from described gigabit Ethernet frame processing unit and the output of described 100 m ethernet frame processing unit is formed to multiplex data, re-send to described primary light mouth module, or will after the multiplex data demultiplexing from described primary light mouth module, be sent to respectively described gigabit Ethernet frame processing unit and described 100 m ethernet frame processing unit.
7. apparatus for multiplexing and demultiplexing as claimed in claim 6, is characterized in that, described 100 m ethernet frame processing unit is connected with described multiplexing and demultiplexing unit by Media Independent Interface.
8. apparatus for multiplexing and demultiplexing as claimed in claim 6, is characterized in that,
A plurality of described the second ethernet signal transceiver modules are more than one types in 100,000,000 light mouth modules, 10,000,000 light mouth modules, 10/100M adaptive electro mouth module.
9. the apparatus for multiplexing and demultiplexing as described in claim 1 or 6, is characterized in that, further comprises:
To the standby light mouth module of line side transmitting-receiving light signal, described primary light mouth module, described standby light mouth module and optional unique electrical connection the in described multiplexing and demultiplexing unit;
Described standby light mouth module is carried out electro-optical conversion by the multiplexed signals from described multiplexing and demultiplexing unit, forming Ethernet light signal sends, or receive the too net light signal from line side, and carry out after light-to-current inversion, form the Ethernet signal of telecommunication and send to described multiplexing and demultiplexing unit.
10. apparatus for multiplexing and demultiplexing as claimed in claim 9, is characterized in that, further comprises:
The detecting unit being connected respectively with described standby light mouth module with described primary light mouth module, and the Alarm Unit being connected with described detecting unit, described main control unit;
The operating state of the described detecting unit described primary light mouth module of monitoring and described standby light mouth module, when described primary light mouth module being detected in non operating state, sends non operating state signal to described Alarm Unit;
Described Alarm Unit receives after non operating state signal, produces alarm signal and is sent to described main control unit, and described main control unit indicates described multiplexing and demultiplexing unit to select and unique connection of described standby light mouth module.
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| CN201320392590.8U CN203423700U (en) | 2013-07-03 | 2013-07-03 | Multiplexing and de-multiplexing device |
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| CN201320392590.8U CN203423700U (en) | 2013-07-03 | 2013-07-03 | Multiplexing and de-multiplexing device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104660328A (en) * | 2015-03-11 | 2015-05-27 | 深圳市新岸通讯技术有限公司 | Remote management system and remote management method of optical fiber multiplexing equipment |
| CN106063167A (en) * | 2014-03-20 | 2016-10-26 | 日本电信电话株式会社 | Transport apparatus and transport method |
| CN108243100A (en) * | 2016-12-27 | 2018-07-03 | 北京华为数字技术有限公司 | The method and apparatus of detection messages loop |
| CN114024646A (en) * | 2021-10-27 | 2022-02-08 | 中航光电科技股份有限公司 | Satellite-borne wavelength division multiplexing system capable of being redundantly interconnected |
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2013
- 2013-07-03 CN CN201320392590.8U patent/CN203423700U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106063167A (en) * | 2014-03-20 | 2016-10-26 | 日本电信电话株式会社 | Transport apparatus and transport method |
| US10122462B2 (en) | 2014-03-20 | 2018-11-06 | Nippon Telegraph And Telephone Corporation | Transport apparatus and transport method |
| CN106063167B (en) * | 2014-03-20 | 2019-01-11 | 日本电信电话株式会社 | Transmitting device and transmission method |
| CN104660328A (en) * | 2015-03-11 | 2015-05-27 | 深圳市新岸通讯技术有限公司 | Remote management system and remote management method of optical fiber multiplexing equipment |
| CN108243100A (en) * | 2016-12-27 | 2018-07-03 | 北京华为数字技术有限公司 | The method and apparatus of detection messages loop |
| CN114024646A (en) * | 2021-10-27 | 2022-02-08 | 中航光电科技股份有限公司 | Satellite-borne wavelength division multiplexing system capable of being redundantly interconnected |
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