CN101505233B - Method for switching optical transmission physical channel and physical interface equipment - Google Patents
Method for switching optical transmission physical channel and physical interface equipment Download PDFInfo
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- CN101505233B CN101505233B CN2009100773526A CN200910077352A CN101505233B CN 101505233 B CN101505233 B CN 101505233B CN 2009100773526 A CN2009100773526 A CN 2009100773526A CN 200910077352 A CN200910077352 A CN 200910077352A CN 101505233 B CN101505233 B CN 101505233B
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Abstract
The invention discloses a method for switching optical transmission physical channels and a physical interface device. The method comprises the following steps: detecting the optical transmission rate of an optical module; and controlling a switch according to the optical transmission rate to select a physical channel with a corresponding rate and connect the channel with the optical module. The device comprises physical channels with different rates, a detection module, a control module and a switch, wherein the detection module is used for detecting the optical transmission rate of the optical module, and the control module is used for converting the optical transmission rate detected by detection module into a control signal and controlling the switch to select the physical channel with the corresponding rate and connect the channel with the optical module. By applying the method and the device, the physical channels with different rates can share one physical interface device so that the cost of the device during transmission, volume expansion and upgrading is greatly reduced.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and physical interface equipment of switching optical transmission physical channel.
Background technology
At present, in the ethernet communication system, the different rates transmission needs different physical interface equipments.In ethernet interface equipment, 100,000,000 transmission rates, the employed physical interface equipment of gigabit transmission rate are different, need provide independent equipment to reach the coffret specification requirement.Therefore, for different transmission rate specification requirements, all there is independent interface equipment to satisfy.
Under the application scenarios of some transmission standard upgrading and dilatation, need to realize the switching of different rates optical interface, as realize the switching of 100,000,000 light and gigabit optical interface.
In the prior art, realize that the method that the different rates optical interface switches has two kinds.
A kind of method is to realize the switching of different rates optical interface by changing interface board.Promptly in physical interface equipment, peg graft the as required interface board of different transmission rates, to realize that the different transmission rates interface board is connected with optical module, as 100,000,000 optical interface integrated circuit boards and gigabit optical interface integrated circuit board, realize different transmission standard demands by changing integrated circuit board, reach the purpose of transmission capacity expansion and upgrading.Wherein, only carry a kind of physical channel of speed on the interface board.
Another kind method is the physical channel that carries different rates on the interface board in same physical interface equipment, and on panel, provide the corresponding physical interface to be connected respectively with optical module, as being provided with 100,000,000 and the physical channel of gigabit on the interface board, provide 100,000,000 and the physical interface of gigabit optical transmission on the panel respectively, to realize the unification demand of transmission standard.
In realizing process of the present invention, the inventor finds that there is following defective at least in prior art: though first method has satisfied different output specification demands by different interface integrated circuit boards, but but caused the waste of integrated circuit board resource, increased equipment cost and maintenance cost.Though second method has satisfied the unification demand of defeated specification, for some cost sensitivity equipment, cost is still higher.And the device panel interface is occupied, and design has brought difficulty to device miniaturization.
Summary of the invention
The embodiment of the invention proposes a kind of method and physical interface equipment of switching optical transmission physical channel, with the shared physical interface equipment in the physical channel of realizing different optical speeds, and the cost of transmission equipment when reducing the transmission capacity expansion and upgrading.
The embodiment of the invention provides a kind of method of switching optical transmission physical channel, comprising:
Detect the optical transmission speed of optical module;
Select the physical channel of respective rate to be connected according to described optical transmission speed control switch with described optical module.
The embodiment of the invention also provides a kind of physical interface equipment, comprising: optical physics passage, detection module, control module and the switch of different rates; Described detection module is used to detect the optical transmission speed of optical module; It is control signal that described control module is used for the detected optical transmission rate transition of described detection module, controls described switch and selects the optical physics passage of respective rate to be connected with described optical module.
The foregoing description is by detecting the optical transmission speed of optical module, and transfer the physical channel that control switch is selected respective rate to according to detected optical transmission speed, realized the shared physical interface equipment in physical channel of different rates, the cost and the maintenance cost of equipment when greatly reducing the transmission capacity expansion and upgrading.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the flow chart of the method embodiment of switching optical transmission physical channel of the present invention;
Fig. 2 is the structural representation of physical interface equipment embodiment of the present invention.
Embodiment
Fig. 1 is the flow chart of the method embodiment of switching optical transmission physical channel of the present invention.This method embodiment comprises:
The optical transmission speed of step 11, detection optical module;
In the above-mentioned steps 12, switch can be high speed electronic switch, and can be either-or switch.When needs switch the physical channel of more different rates, can select corresponding multiselect one switch according to the quantity of physical channel.
Above-mentioned steps 12 selects the physical channel of respective rate to be connected with optical module and can to comprise according to the optical transmission speed control switch:
In optical transmission speed is under the situation of hundred megabit rates, and the physical channel of selecting to satisfy 100,000,000 optical transmission speed specifications is connected with optical module; Perhaps,
In optical transmission speed is under the situation of gigabit rate, and the physical channel of selecting to satisfy gigabit optical transmission speed specification is connected with optical module.
Present embodiment is by detecting the optical transmission speed of optical module, and transfer the physical channel that control switch is selected respective rate to according to detected optical transmission speed, make the physical channel that is arranged on the different rates in the same physical interface equipment to switch, realize the physical interface on the shared panel of optical channel of different rates, greatly reduced equipment cost and maintenance cost.
Embodiment of the invention physical interface equipment can comprise: the physical channel of different rates, detection module, control module and switch; Detection module is used to detect the optical transmission speed of optical module; Control module is a control signal with the detected optical transmission rate transition of detection module, controls described switch and selects the physical channel of respective rate to be connected with optical module.Wherein, switch can be high speed electronic switch, also can be the high speed electronic switch of alternative.High speed electronic switch also can be multiselect one switch, to satisfy the shared same physical interface equipment of optical physics passage of two above different rates.
Fig. 2 is the structural representation of physical interface equipment embodiment of the present invention.Wherein, shell is the connector of physical channel and optical module, also is the physical interface on the panel.In the present embodiment, Ethernet physical interface transceiver is that the physical channel on the Ethernet PHY 21 comprises Fast Ethernet (FastEthernet, FE) optical physics passage, promptly optical transmission speed is the physical channel of hundred megabit rates, also promptly satisfies the physical channel of 100,000,000 optical transmission speed specifications; Comprise that also (promptly optical transmission speed is the physical channel of gigabit rate to gigabit Ethernet for GigaEthernet, GE) optical physics passage, also promptly satisfies the physical channel of gigabit optical transmission speed specification.Detection module 22 is used to detect the optical transmission speed of optical module; It is control signal that control module 23 is used for detection module 22 detected optical transmission rate transition, and control high speed electronic switch 24 selects the physical channel of respective rate to be connected with optical module.
In the present embodiment, physical interface equipment utilizes the high speed electronic switch of alternative, FE physical channel among the Ethernet PHY 21 and GE physical channel circuit are switched shared one road physical circuit in back to be connected with optical module, realized the shared same physical interface equipment of optical physics passage of different rates, when realizing that transmission standard switches upgrading, greatly reduce equipment and maintenance cost.When practical application,, under the situation of changing optical module and optical fiber, do not need to plug the automatic switchover that the circuit board of changing the carrying physical channel just can be realized 100,000,000 gigabit optical transmission physics by high speed electronic switch.
In said method and the apparatus embodiments, realize the physical interface on the shared panel in different rates optical signal transmission physical channel, when realizing that transmission standard switches upgrading, greatly reduce equipment and maintenance cost.And the shared physical interface of many specifications speed rates has also been saved panel interface, helps the miniaturization requirement of transmission equipment.Simultaneously, change in plug under the situation of FE optical module, GE optical module, discern 100,000,000 and gigabit optical module technology by automatic detection, configure transmission lines can realize that just transmission is switched automatically automatically, has improved intelligent degree.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. the method for a switching optical transmission physical channel is characterized in that, comprising:
Detect the optical transmission speed of optical module;
Select the physical channel of respective rate to be connected according to described optical transmission speed control switch with described optical module.
2. the method for switching optical transmission physical channel according to claim 1 is characterized in that, described switch is a high speed electronic switch.
3. the method for switching optical transmission physical channel according to claim 2 is characterized in that, described high speed electronic switch is an either-or switch.
4. according to the method for each described switching optical transmission physical channel in the claim 1 to 3, it is characterized in that, select the physical channel of respective rate to be connected according to described optical transmission speed control switch and comprise with described optical module:
In described optical transmission speed is under the situation of hundred megabit rates, and the physical channel of selecting to satisfy 100,000,000 optical transmission speed specifications is connected with described optical module.
5. according to the method for each described switching optical transmission physical channel in the claim 1 to 3, it is characterized in that, select the physical channel of respective rate to be connected according to described optical transmission speed control switch and comprise with described optical module:
In described optical transmission speed is under the situation of gigabit rate, and the physical channel of selecting to satisfy gigabit optical transmission speed specification is connected with described optical module.
6. a physical interface equipment is characterized in that, comprising: optical physics passage, detection module, control module and the switch of different rates; Described detection module is used to detect the optical transmission speed of optical module; It is control signal that described control module is used for the detected optical transmission rate transition of described detection module, controls described switch and selects the optical physics passage of respective rate to be connected with described optical module.
7. physical interface equipment according to claim 6 is characterized in that, described switch is a high speed electronic switch.
8. physical interface equipment according to claim 7 is characterized in that, described high speed electronic switch is an either-or switch.
9. according to each described physical interface equipment in the claim 6 to 8, it is characterized in that described optical physics passage comprises the optical physics passage that satisfies 100,000,000 optical transmission speed specifications, the optical physics passage that satisfies gigabit optical transmission speed specification.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100773526A CN101505233B (en) | 2009-02-18 | 2009-02-18 | Method for switching optical transmission physical channel and physical interface equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009100773526A CN101505233B (en) | 2009-02-18 | 2009-02-18 | Method for switching optical transmission physical channel and physical interface equipment |
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| CN2011100535116A Division CN102104499A (en) | 2009-02-18 | 2009-02-18 | Optical transmission physical channel switching method and physical interface equipment |
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| CN101505233A CN101505233A (en) | 2009-08-12 |
| CN101505233B true CN101505233B (en) | 2011-04-20 |
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| CN102064913B (en) * | 2010-11-23 | 2014-01-15 | 成都爱斯顿科技有限公司 | Optical fiber module access system and method |
| CN111541629A (en) * | 2020-04-21 | 2020-08-14 | 深圳市三旺通信股份有限公司 | Mode self-adaption method, device, equipment and computer readable storage medium |
| CN114024606B (en) * | 2022-01-05 | 2022-06-03 | 季华实验室 | Laser communication receiving system, method, executing device and electronic equipment |
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