CN1581757A - Wave division transmission system composed of multi wavelength tunable light board and its wavelength allocation method - Google Patents
Wave division transmission system composed of multi wavelength tunable light board and its wavelength allocation method Download PDFInfo
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- CN1581757A CN1581757A CNA031532837A CN03153283A CN1581757A CN 1581757 A CN1581757 A CN 1581757A CN A031532837 A CNA031532837 A CN A031532837A CN 03153283 A CN03153283 A CN 03153283A CN 1581757 A CN1581757 A CN 1581757A
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Abstract
The system includes main control board, multiple-wavelength tunable optical board or fixed wavelength optical board. Storage device is setup at each multiple-wavelength tunable optical board for storing wavelength information of the optical board. Main control board through hub and Ethernet port is connected to network management system or configured host. There is RAM in main control board for storing wavelength information of each optical board in cabinet unit. Main control board through bus in back board and communication interface is connected to other multiple-wavelength tunable optical boards or fixed wavelength optical board. Thus, main control board controls each optical board and exchanges information with optical board. The disclosed method solves issue of requiring high technical level for maintenance personals, lowers complexity of system maintenance and raises reliability of system operation.
Description
Technical field
The present invention relates to a kind of wave transmission system and wavelength method of automatic configuration thereof of using the multi-wavelength tunable tabula rasa to form, belong to the optical communication technique field.
Background technology
Dense wave division multipurpose (DWDM) all-optical network is the inexorable trend of optical communication network development, and wave transmission system is the visual plant in the DWDM all-optical network.At present, in the existing dwdm optical communication network, the tabula rasa of various wavelength (comprising light change-over panel and optical relay plate) mostly adopts non-tunable single fixed wave length tabula rasa, and therefore, existing optical communication network transmission system mainly uses the tabula rasa of fixed wave length to form.Only some producer begins to adopt the tabula rasa of 8 tunable wavelengths in system, and still, these producers use the main purpose of multi-wavelength tunable tabula rasa, mostly just is that it is used as the spare part plate, so that can reduce the kind of veneer spare part.Directly use because this optic tunable wavelength tabula rasa can be used as the spare part of all wavelengths tabula rasa, that is to say, the slot that this tabula rasa will be inserted into a plurality of different plates position be configured to a plurality of different operation wavelengths.Therefore, how to dispose the operation wavelength of multi-wavelength tunable tabula rasa during work, just quite important.
Now, before the frame of using this multi-wavelength tunable tabula rasa as spare part insertion work system, at first to be inserted into configuration cabinet its operation wavelength of manual configuration (referring to shown in Figure 1).Its specific operation process is: (1) configuration wavelength: the optic tunable tabula rasa is inserted the configuration cabinet, be connected with configure host (computer) by the operation-interface of cabinet or the communication interface of tabula rasa, give the wavelength information of this tabula rasa configuration settings use by main frame, and with this information stores in tabula rasa, make this tabula rasa can be operated in the setting wavelength from now on.(2) plate work: be configured the work rack of setting in the optic tunable tabula rasa insertion system of operation wavelength information, after tabula rasa started, this tabula rasa automatically operated in the specific wavelength of configuration according to the wavelength information that is stored in the tabula rasa.(3) reconfigure wavelength: when if desired this optic tunable tabula rasa being moved on to other local uses, operate according to above-mentioned steps (1), (2) again, make this tunable tabula rasa be operated in new operation wavelength with regard to needs.Because the influence of wavelength information focalization plate is very big, the configuring technical more complicated, also higher relatively to technical staff's requirement.
This shows that the cost that is to use, administers and maintains for the shortcoming of the optical communication transmission system of present employing fixed wave length tabula rasa is very high, because the kind of various tabula rasas is a lot, daily operation and maintenance is quite complicated; No matter be equipment manufacturers, or telecom operators, all need to prepare the tabula rasa of various wavelength.And, for the tabula rasa that guarantees every kind of wavelength can both have corresponding backup, will cause a large amount of slave board stocks, make the slave board cost quite expensive.If use the multi-wavelength tunable tabula rasa as slave board,, saved the slave board cost though can significantly reduce the tabula rasa kind of slave board.But the technology more complicated of operation and maintenance when for example changing tabula rasa, need the operation wavelength of human configuration and the tunable tabula rasa of setting, and the configuring technical complexity is had relatively high expectations to Operation and Maintenance personnel's technical merit.In addition, because need the cost certain hour to be configured operation, so just can not accomplish the real-time and quick tabula rasa of changing, to guaranteeing the unimpeded certain influence that has of communicating by letter.
The applicant has developed the optic tunable tabula rasa with full C-band (or L-band), includes in this optic tunable tabula rasa to be mainly used in to realize DWDM light-receiving and sending function, and can provide the multi-wavelength tunable optical module of the tunable optical wavelength emission output of full C or full L-band.The multi-wavelength tunable optical module comprises tunable laser ballistic device, optical modulating circuit, optical receiving circuit, data clock recovery, laser driving chip, MUX/DEMUX circuit, interface communication and control circuit etc.Can control any one wavelength in optic tunable tabula rasa 80 kinds of wavelength of tuning realization (being spaced apart 50GHz) as its operation wavelength by software.The regulatory function of wide wave-length coverage like this is for the automatic configuration of the wavelength of tabula rasa provides engineering feasibility.How to utilize the optic tunable tabula rasa of these 80 kinds of wavelength to form wave transmission system, and how sample realizes that wavelength disposes automatically, complexity and raising reliability of system operation so that the reduction system equipment is safeguarded just naturally and understandably become research staff's new problem in front.
Summary of the invention
The purpose of this invention is to provide a kind of wave transmission system that uses the multi-wavelength tunable tabula rasa to form, this system can significantly reduce the tabula rasa kind of slave board and save the slave board cost, can solve preferably the optical communication transmission system that present employing fixed wave length tabula rasa forms use, administer and maintain the high shortcoming of cost.
Another object of the present invention provides the wavelength method of automatic configuration of multi-wavelength tunable tabula rasa in a kind of wave transmission system of being made up of the multi-wavelength tunable tabula rasa, solve the configuring technical complexity of the operation wavelength of the tunable tabula rasa of present human configuration, the problem that the Operation and Maintenance Personnel Skill Levels is had relatively high expectations, thus the complexity of system maintenance and the functional reliability of raising system operation reduced.
The object of the present invention is achieved like this: a kind of wave transmission system that uses the multi-wavelength tunable tabula rasa to form comprises the electrical interface part of network interface and the backboard of rear end; It is characterized in that: also be provided with master control borad and multi-wavelength tunable tabula rasa, be respectively arranged with the memory of this tabula rasa wavelength information of storage on described each multi-wavelength tunable tabula rasa; Described master control borad connects network management system or configure host, and each master control borad is provided with the read-write memory RAM of the wavelength information of each multi-wavelength tunable tabula rasa of storage; Described master control borad is connected the multi-wavelength tunable tabula rasa by core bus with communication interface, control each tabula rasa and mutual exchange data information by this.
Described multi-wavelength tunable tabula rasa includes multi-wavelength tunable light change-over panel and multi-wavelength tunable electricity relay plate.
Described master control borad also includes microprocessor and peripheral control circuit thereof, the network interface that is connected with configure host or webmaster by backboard or other interface, the bus and the communication interface that are connected with tabula rasa or veneer by backboard.
The communication interface that described multi-wavelength tunable tabula rasa is connected with master control borad is a mailbox interface.
Described multi-wavelength tunable light change-over panel includes microprocessor and field programmable gate array circuit thereof, accepts light transmitting-receiving tunable wavelength module, the optical transceiver module of synchronous digital hierarchy network side, the memory of storing this tabula rasa wavelength information, mailbox memory and the state or the control interface of the dense wave division multipurpose network side of microprocessor control respectively; Wherein the mailbox memory is connected with backboard with address bus by data/address bus, and state or control interface are connected with backboard by state or control bus.
Described multi-wavelength tunable electricity relay plate includes microprocessor and field programmable gate array circuit thereof, accepts light transmitting-receiving tunable wavelength module, the memory of storing this tabula rasa wavelength information, mailbox memory and the state or the control interface of the dense wave division multipurpose network side of microprocessor control respectively; Wherein the mailbox memory is connected with backboard with address bus by data/address bus, and state or control interface are connected with backboard by state or control bus.
The wavelength method of automatic configuration of multi-wavelength tunable tabula rasa is achieved in that mainly and comprises the following steps: in the wave transmission system of being made up of the multi-wavelength tunable tabula rasa of the present invention
When A, master control borad are reworked at it, earlier its read-write memory of storing each tabula rasa wavelength information is carried out the initialization setting;
B, when after master control borad work, changing tabula rasa, from the read-write memory of network interface or master control borad, read the wherein wavelength information of each tabula rasa by master control borad, send the wavelength configuration order by core bus or communication interface to each tunable tabula rasa again, control the wavelength that each tunable tabula rasa works in configuration automatically.
Described steps A further comprises following three kinds of initial setting methods, can choose the initialization that wherein a kind of method realizes master control borad wavelength information config memory wantonly:
A1, remote host send to each master control borad by network management system with the operation wavelength information of each tabula rasa; Or
A2, local host directly send the operation wavelength information of each tabula rasa to each master control borad by Ethernet interface; Or
A3, master control borad directly read its operation wavelength information from each multi-wavelength tunable tabula rasa by communication interface, and deposit this wavelength information in its wavelength information config memory as initializes configuration information.
Described three kinds of configurations that initial setting method is a different brackets are set, to prevent configuration conflict.
Tunable tabula rasa among the present invention disposes its operation wavelength automatically and comprises following operating procedure:
After C1, tunable tabula rasa power on, check earlier whether it connects master control borad;
When if C2 does not connect master control borad, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength according to the former wavelength information data in the wavelength information memory in this tabula rasa;
If C3 is connected with master control borad, but on the master control borad not during the initialization wavelength data of this tabula rasa, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength according to the former wavelength information data in the wavelength information memory in this tabula rasa; Simultaneously this operation wavelength information is sent to master control borad, master control borad is in the wavelength information of this tabula rasa of RAM memory stores;
If C4 is connected with master control borad, and when receiving this tabula rasa operation wavelength information that master control borad sends by communication interface, then the wavelength information of this tabula rasa being delivered microcontroller circuit handles: the wavelength information memory that this wavelength information is deposited in this tabula rasa, the multi-wavelength tunable optical module of controlling this tabula rasa according to this wavelength information works in this setting wavelength, this multi-wavelength tunable optical module receives the wavelength control order by the wavelength control communication interface, directly exports the light signal of this setting wavelength.
The present invention is a kind of dwdm optical communication system, wave transmission system that uses the multi-wavelength tunable tabula rasa to form of being applicable to, wherein master control borad is provided with the main control software of each tunable tabula rasa work of management, store the wavelength configuration data of each tabula rasa, exchange wavelength information mutually by communication interface (for example mailbox interface) and tabula rasa, and can be according to each veneer position, control the wavelength configuration and the conversion of each tabula rasa, also can control the operation wavelength of each tabula rasa by network management system or configure host, satisfy the requirement of system output wavelength.
The present invention also provides a kind of wavelength method of automatic configuration, makes the multi-wavelength tunable tabula rasa can realize that wavelength disposes automatically.Promptly use same multi-wavelength tunable tabula rasa can insert any one groove position in the system cabinet of the present invention, perhaps when the tabula rasa of damage occurring in the system, can use any one multi-wavelength tunable tabula rasa, insert any one tabula rasa position as the slave board replacement, system of the present invention can both realize the wavelength configuration of this tunable tabula rasa fast and automatically, satisfies the unimpeded requirement of communication.Do not need manual configuration, significantly reduced the configuration effort amount and working service personnel's specification requirement.
The present invention is by the recorded and stored of system's actual motion to each groove position tabula rasa real work wavelength in each rack, the wavelength that can realize the multi-wavelength tunable tabula rasa disposes automatically, simplified the operation of the configuration wavelength when changing tabula rasa, reduce working service personnel's specification requirement, realized the simplicity that tunable tabula rasa is transferred survey and used.And system uses the multi-wavelength tunable tabula rasa, and system manufacturer and system operator all will reduce tabula rasa kind and slave board kind, reduces greatly and produces and the working service cost.Therefore, the present invention has good economic benefits and application prospect.
Description of drawings
Fig. 1 utilizes configure host the multi-wavelength tunable tabula rasa to be provided with the schematic diagram of operation wavelength at present.
Fig. 2 is that wave transmission system structure of the present invention is formed schematic diagram.
Fig. 3 is that the rack structure in the wave transmission system of the present invention is formed schematic diagram.
Fig. 4 is that the master control borad circuit structure in the wave transmission system of the present invention is formed block diagram.
Fig. 5 is that the multi-wavelength tunable light change-over panel circuit structure in the wave transmission system of the present invention is formed block diagram.
Fig. 6 is that the multi-wavelength tunable electricity relay plate circuit structure in the wave transmission system of the present invention is formed block diagram.
Fig. 7 is the operational flowchart of the wavelength method of automatic configuration of the multi-wavelength tunable tabula rasa in the wave transmission system of the present invention.
Embodiment
Describe the concrete operations step of the structure composition and the configuration wavelength thereof of system of the present invention and each building block in detail below in conjunction with accompanying drawing.
Referring to Fig. 2 and Fig. 3, the present invention is a kind of wave transmission system that uses the multi-wavelength tunable tabula rasa to form, include the frame that a plurality of racks connected vertically are formed, each rack is by the electrical interface part, groove position plate and the fan that comprise Ethernet interface that lay respectively at this rack top, centre and bottom, and the backboard of rear end is formed (Fig. 3 has showed the front view of a rack); Wherein the medial launder position of each rack (being the 7th groove position among Fig. 3) is plugged with master control borad, comprise that (annotate: multi-wavelength tunable tabula rasa described here comprises multi-wavelength tunable light change-over panel and multi-wavelength tunable electricity relay plate for multi-wavelength tunable tabula rasa and/or fixed wave length tabula rasa, the fixed wave length tabula rasa comprises fixed wave length light change-over panel and fixed wave length electricity relay plate, below all right.) and various personality board such as clock board all be plugged on all the other groove positions of master control borad both sides, be 1-6 and 8-13 groove position in Fig. 3.Master control borad in each rack is connected network management system or configure host by hub with Ethernet interface, each master control borad is provided with the read-write memory RAM of each tabula rasa wavelength information in this rack unit of storage; Master control borad is connected other multi-wavelength tunable tabula rasa or fixed wave length tabula rasa by core bus with communication interface, control each tabula rasa and mutual exchange data information by this.
Referring to Fig. 4, master control borad of the present invention includes microprocessor and peripheral control circuit thereof, store the read-write memory RAM of each tabula rasa wavelength information, other memory, Ethernet interface or other interface by backboard is connected with near-end configure host or far-end webmaster main frame are connected with other multi-wavelength tunable tabula rasa or veneer with communication interface by core bus.Usually, the communication interface that master control borad is connected with multi-wavelength tunable tabula rasa or fixed wave length tabula rasa is a mailbox, and by the mutual swap data of this mailbox interface.The characteristics of this master control borad are: the wavelength information of using read-write memory RAM to store each tabula rasa, and make master control borad can change to the rack of other system and do not influence the wavelength information that it upgrades, preserves and manage each tabula rasa,
Referring to Fig. 5, multi-wavelength tunable light change-over panel of the present invention includes microprocessor and on-site programmable gate array FPGA circuit thereof, accepts light transmitting-receiving tunable wavelength module, forward error correction FEC coding/decoding circuit, the optical transceiver module of synchronous digital hierarchy SDH network side, the nonvolatile storage EEPROM that stores this tabula rasa wavelength information, mailbox memory and the state or the control interface of the dense wave division multipurpose DWDM network side of microprocessor control respectively; Wherein the mailbox memory is 1 two-port RAM, and master control borad is connected with the mailbox interface of multi-wavelength tunable tabula rasa by the data and address bus of backboard, and master control borad and tabula rasa all can be to mailbox memory read write datas, and by this mode exchange data information.Because in inserting each rack of multi-wavelength tunable tabula rasa, the slot of different plates position all has different address designation ID (identity), is generally 4 address bits.When the mailbox write data, if when the address designation ID of plate position mates with the master control borad address wire, data write in the tabula rasa mailbox memory of this plate position at master control borad; When master control borad will be read mailbox data, if the address designation ID of plate position and master control address wire coupling, the tabula rasa mailbox memory data of this plate position just was read into master control borad.
The operation principle of this multi-wavelength tunable light change-over panel is: behind the light signal that the input of light-receiving mouth transmits from wavelength-division multiplex system, in the internal conversion of tunable optical transceiver module is signal of telecommunication output, this signal of telecommunication is through FEC coding/decoding processing of circuit with after correcting mistake, again in this FEC coding/decoding circuit, be converted to the datagram number of the synchronous digital hierarchy SDH that does not contain forward error correction coding FEC, output to SDH optoelectronic transceiver module circuit from FEC coding/decoding circuit, be converted to the output of SDH light signal.And behind the light signal of light-receiving mouth input from the SDH network, in the internal conversion of SDH optical transceiver module is the datagram number output of SDH, correct mistake and rate transition processing after entering FEC coding/decoding circuit, be transformed to the datagram number that contains forward error correction coding FEC, enter wave division multiplexing WDM tunable optical transceiver module circuit from the road output of FEC electricity coding/decoding, be converted to the output of wave division multiplexing WDM light signal.Wherein store the operation wavelength information that this tabula rasa is set among the wavelength information memory EEPROM, export given tunable optical wavelength signals according to the tunable laser emission in the control of the wavelength information among this EEPROM multi-wavelength tunable optical transceiver module by microcontroller circuit.Microcontroller circuit is also informed master control borad with the wavelength information among this EEPROM by the mailbox circuit.
Referring to Fig. 6, multi-wavelength tunable of the present invention electricity relay plate is basic identical with the multi-wavelength tunable light change-over panel structure among Fig. 5, and the light of include microprocessor and on-site programmable gate array FPGA circuit thereof equally, accepting the dense wave division multipurpose network side of microprocessor control is is respectively received and dispatched tunable wavelength module, forward error correction coding/decoding circuit, the nonvolatile storage EEPROM that stores this tabula rasa wavelength information, mailbox memory and state or control interface; Wherein the mailbox memory is connected with backboard with address bus by data/address bus, and state or control interface are connected with backboard by state or control bus.But multi-wavelength tunable electricity relay plate does not have SDH input and output transceiver module.
The operation principle of this multi-wavelength tunable electricity relay plate is: behind the light signal that the input of light-receiving mouth transmits from wdm system, in the internal conversion of tunable optical module is signal of telecommunication output, this signal of telecommunication is after forward error correction FEC coding/decoding circuit is corrected the mistake processing, again export from FEC coding/decoding circuit with the phase same rate, the FEC signal of telecommunication enters the tunable optical module, is converted to wdm optical signal output.Wherein store the operation wavelength information that this multi-wavelength tunable electricity relay plate is set among the wavelength information memory EEPROM, export given tunable optical wavelength signals according to the tunable laser emission in the control of the wavelength information among this EEPROM multi-wavelength tunable optical transceiver module by microcontroller circuit.Microcontroller circuit is also informed master control borad with the wavelength information among this EEPROM by the mailbox circuit.
The present invention can carry out the wavelength information memory transactions between master control borad and multi-wavelength tunable tabula rasa: the multi-wavelength tunable tabula rasa is provided with the nonvolatile storage EEPROM that deposits this tabula rasa operation wavelength data message, and this memory and mailbox memory come and the mutual exchange message of master control borad by microcontroller circuit in this multi-wavelength tunable tabula rasa and mailbox circuit.Master control borad also is provided with the memory RAM of each tabula rasa operation wavelength information of storage; Master control borad RAM and mailbox RAM are by microcontroller circuit and mailbox circuit and the mutual exchange message of each tabula rasa in the master control borad.
Referring to Fig. 7, the wavelength method of automatic configuration of multi-wavelength tunable tabula rasa mainly comprises following operating procedure in the wave transmission system that the present invention is made up of the multi-wavelength tunable tabula rasa:
1, master control borad is when it is reworked, and at first initialization is provided with its read-write memory RAM that stores each tabula rasa wavelength information; The present invention can choose any initialization that realizes master control borad wavelength information config memory in the method to set up that following three kinds of configuration levels fall progressively wantonly, to prevent configuration conflict:
(1) remote host sends to each master control borad by network management system with the operation wavelength information of each slot tabula rasa;
(2) local host directly sends the operation wavelength information of each slot tabula rasa to each master control borad by Ethernet interface;
(3) master control borad directly reads its operation wavelength information from each multi-wavelength tunable tabula rasa by mailbox interface, and deposits this wavelength information in its wavelength information config memory as initializes configuration information.
Then, the operating procedure of two kinds of parallel configuration wavelength is arranged, can select for the user.Wherein first kind is to carry out 2-4 item operating procedure, and second kind is to carry out 5-12 item operating procedure.It is described respectively below:
When 2, changing tabula rasa after master control borad work, master control borad reads the wherein wavelength information of each tabula rasa from the RAM read-write memory of network interface or master control borad;
3, master control borad sends the wavelength configuration order by core bus and mailbox interface to each tunable tabula rasa;
4, each tunable tabula rasa is controlled the wavelength that its optical transceiver module works in configuration automatically.
Perhaps after step 1, the user selects tunable optical to pull the method that disposes its operation wavelength automatically, and it comprises following concrete operations step:
5, after tunable optical is pulled and powered on, check earlier whether it connects master control borad;
If 6 do not connect master control borad, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength just according to the former wavelength information data in the wavelength information memory in this tabula rasa;
If 7 connect master control borads, judge the initialization wavelength data that whether stores this tabula rasa in the RAM memory of this master control borad again;
If the initialization wavelength data of this tabula rasa not in the RAM memory of 8 master control borads, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength just according to the former wavelength information data in the wavelength information memory in this tabula rasa;
9, simultaneously, this multi-wavelength tunable tabula rasa sends to master control borad with its operation wavelength information, and master control borad is stored in the wavelength information of this tabula rasa in the read-write memory RAM;
If 10 these tabula rasas receive the operation wavelength information that master control borad sends by mailbox, then this wavelength information is delivered microcontroller circuit and handle;
11, microprocessor deposits the wavelength information that receives in the wavelength information nonvolatile storage EEPROM of this tabula rasa;
12, microprocessor is converted to control command according to the change of this wavelength information, sends to the multi-wavelength tunable optical module of this tabula rasa.This multi-wavelength tunable optical module receives the wavelength control order by the wavelength control communication interface, and the control tunable laser changes its running parameter, the light signal of output specified wavelength.This tabula rasa also can be inquired about the work at present wavelength information of this multi-wavelength tunable optical module.
Therefore, the economic benefit of system of the present invention is very significant, can significantly reduce the kind of tabula rasa for equipment manufacturers, can both operate as normal in order to guarantee every kind of wavelength tabula rasa, only need the stock that gets the raw materials ready seldom, make and make, get the raw materials ready, transport and take care of all and oversimplified.Also can significantly reduce for Virtual network operator, can significantly reduce cost and the regular maintenance cost of buying the tabula rasa of getting the raw materials ready because of the tabula rasa kind.
Wavelength method of automatic configuration of the present invention makes when changing tabula rasa, no longer needs the wavelength of the tunable tabula rasa of manual configuration, and technology is simple to operate, specification requirement to the attended operation personnel is low, and it is simple to change operating procedure, the needed replacing time is short, can guarantee that communication is unimpeded.
Claims (10)
1, a kind of wave transmission system that uses the multi-wavelength tunable tabula rasa to form comprises the electrical interface part of network interface and the backboard of rear end; It is characterized in that: also be provided with master control borad and multi-wavelength tunable tabula rasa, be respectively arranged with the memory of this tabula rasa wavelength information of storage on described each multi-wavelength tunable tabula rasa; Described master control borad connects network management system or configure host, and each master control borad is provided with the read-write memory RAM of the wavelength information of each multi-wavelength tunable tabula rasa of storage; Described master control borad is connected the multi-wavelength tunable tabula rasa by core bus with communication interface, control each tabula rasa and mutual exchange data information by this.
2, wave transmission system according to claim 1 is characterized in that: described multi-wavelength tunable tabula rasa includes multi-wavelength tunable light change-over panel and multi-wavelength tunable electricity relay plate.
3, wave transmission system according to claim 1, it is characterized in that: described master control borad also includes microprocessor and peripheral control circuit thereof, the network interface that is connected with configure host or webmaster by backboard or other interface, the bus and the communication interface that are connected with tabula rasa or veneer by backboard.
4, wave transmission system according to claim 1 is characterized in that: the communication interface that described multi-wavelength tunable tabula rasa is connected with master control borad is a mailbox interface.
5, according to claim 2 or 4 described wave transmission systems, it is characterized in that: described multi-wavelength tunable light change-over panel includes microprocessor and field programmable gate array circuit thereof, accepts light transmitting-receiving tunable wavelength module, the optical transceiver module of synchronous digital hierarchy network side, the memory of storing this tabula rasa wavelength information, mailbox memory and the state or the control interface of the dense wave division multipurpose network side of microprocessor control respectively; Wherein the mailbox memory is connected with backboard with address bus by data/address bus, and state or control interface are connected with backboard by state or control bus.
6, according to claim 2 or 4 described wave transmission systems, it is characterized in that: described multi-wavelength tunable electricity relay plate includes microprocessor and field programmable gate array circuit thereof, accepts light transmitting-receiving tunable wavelength module, the memory of storing this tabula rasa wavelength information, mailbox memory and the state or the control interface of the dense wave division multipurpose network side of microprocessor control respectively; Wherein the mailbox memory is connected with backboard with address bus by data/address bus, and state or control interface are connected with backboard by state or control bus.
7, a kind of in the described wave transmission system of claim 1 the wavelength method of automatic configuration of multi-wavelength tunable tabula rasa, it is characterized in that: mainly comprise the following steps:
When A, master control borad are reworked at it, earlier its read-write memory of storing each tabula rasa wavelength information is carried out the initialization setting;
B, when after master control borad work, changing tabula rasa, from the read-write memory of network interface or master control borad, read the wherein wavelength information of each tabula rasa by master control borad, send the wavelength configuration order by core bus or communication interface to each tunable tabula rasa again, control the wavelength that each tunable tabula rasa works in configuration automatically.
8, wavelength method of automatic configuration according to claim 7 is characterized in that: described steps A further comprises following three kinds of initial setting methods, can choose the initialization that wherein a kind of method realizes master control borad wavelength information config memory wantonly:
A1, remote host send to each master control borad by network management system with the operation wavelength information of each tabula rasa; Or
A2, local host directly send the operation wavelength information of each tabula rasa to each master control borad by Ethernet interface; Or
A3, master control borad directly read its operation wavelength information from each multi-wavelength tunable tabula rasa by communication interface, and deposit this wavelength information in its wavelength information config memory as initializes configuration information.
9, wavelength method of automatic configuration according to claim 8 is characterized in that: described three kinds of configurations that initial setting method is a different brackets are set, to prevent configuration conflict.
10, a kind of in the described wave transmission system of claim 1 the wavelength method of automatic configuration of multi-wavelength tunable tabula rasa, it is characterized in that: tunable tabula rasa disposes its operation wavelength automatically and comprises following operating procedure:
After C1, tunable tabula rasa power on, check earlier whether it connects master control borad;
When if C2 does not connect master control borad, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength according to the former wavelength information data in the wavelength information memory in this tabula rasa;
If C3 is connected with master control borad, but on the master control borad not during the initialization wavelength data of this tabula rasa, this multi-wavelength tunable tabula rasa makes this multi-wavelength tunable tabula rasa be operated in respective wavelength according to the former wavelength information data in the wavelength information memory in this tabula rasa; Simultaneously this operation wavelength information is sent to master control borad, master control borad is in the wavelength information of this tabula rasa of RAM memory stores;
If C4 is connected with master control borad, and when receiving this tabula rasa operation wavelength information that master control borad sends by communication interface, then the wavelength information of this tabula rasa being delivered microcontroller circuit handles: the wavelength information memory that this wavelength information is deposited in this tabula rasa, the multi-wavelength tunable optical module of controlling this tabula rasa according to this wavelength information works in this setting wavelength, this multi-wavelength tunable optical module receives the wavelength control order by the wavelength control communication interface, directly exports the light signal of this setting wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031532837A CN100474803C (en) | 2003-08-13 | 2003-08-13 | Wave division transmission system composed of multi wavelength tunable light board and wavelength allocation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031532837A CN100474803C (en) | 2003-08-13 | 2003-08-13 | Wave division transmission system composed of multi wavelength tunable light board and wavelength allocation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1581757A true CN1581757A (en) | 2005-02-16 |
| CN100474803C CN100474803C (en) | 2009-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031532837A Expired - Lifetime CN100474803C (en) | 2003-08-13 | 2003-08-13 | Wave division transmission system composed of multi wavelength tunable light board and wavelength allocation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395728C (en) * | 2005-10-25 | 2008-06-18 | 华为技术有限公司 | Single board read/writ system and method for information |
| CN101540638B (en) * | 2009-05-06 | 2011-12-21 | 烽火通信科技股份有限公司 | inter-board protection switching method of TDM service channel in EPON system |
| CN103001703A (en) * | 2012-12-28 | 2013-03-27 | 索尔思光电（成都）有限公司 | Operating wavelength control system and method for optical transceiver |
| CN107566076A (en) * | 2016-06-30 | 2018-01-09 | 中兴通讯股份有限公司 | The wavelength self-adapting tuning method and device of wavelength-division network element |
| CN113541802A (en) * | 2020-04-20 | 2021-10-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2003
- 2003-08-13 CN CNB031532837A patent/CN100474803C/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100395728C (en) * | 2005-10-25 | 2008-06-18 | 华为技术有限公司 | Single board read/writ system and method for information |
| CN101540638B (en) * | 2009-05-06 | 2011-12-21 | 烽火通信科技股份有限公司 | inter-board protection switching method of TDM service channel in EPON system |
| CN103001703A (en) * | 2012-12-28 | 2013-03-27 | 索尔思光电（成都）有限公司 | Operating wavelength control system and method for optical transceiver |
| CN103001703B (en) * | 2012-12-28 | 2016-01-20 | 索尔思光电（成都）有限公司 | A kind of optical module operation wavelength control system and method |
| CN107566076A (en) * | 2016-06-30 | 2018-01-09 | 中兴通讯股份有限公司 | The wavelength self-adapting tuning method and device of wavelength-division network element |
| CN107566076B (en) * | 2016-06-30 | 2020-10-16 | 中兴通讯股份有限公司 | Wavelength self-adaptive tuning method and device for wavelength division network element |
| CN113541802A (en) * | 2020-04-20 | 2021-10-22 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN113541802B (en) * | 2020-04-20 | 2022-08-23 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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|---|---|
| CN100474803C (en) | 2009-04-01 |
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