CN1946010A - Light path short interruption control device and short interruption control method - Google Patents
Light path short interruption control device and short interruption control method Download PDFInfo
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- CN1946010A CN1946010A CNA2006101411124A CN200610141112A CN1946010A CN 1946010 A CN1946010 A CN 1946010A CN A2006101411124 A CNA2006101411124 A CN A2006101411124A CN 200610141112 A CN200610141112 A CN 200610141112A CN 1946010 A CN1946010 A CN 1946010A
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- 230000003287 optical effect Effects 0.000 claims abstract description 63
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- 230000001052 transient effect Effects 0.000 abstract 4
- 238000004891 communication Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
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- 238000012360 testing method Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
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Abstract
This invention relates to a device and a method for controlling transient cut-off of optical paths, in which, the device includes: a control information storage module, a control module and an optical switch connected orderly, in which, the optical switch is used in controlling the connection state of optical paths, the control information storage module is used in storing transient cut-off time parameters, the control module is used in generating transient cut-off control signals based on said parameters and transmitting said signal to control said switch, the method includes: the control module receives the control required information and gets the transient cut-off time parameter from the storage module to generate a control signal and sends it to the optical switch, and the control signal carries the parameter, the switch controls the connection state of the optical path based on the parameter.
Description
Technical field
The present invention relates to Fibre Optical Communication Technology, especially a kind of light path short interruption control device and short interruption control method.
Background technology
After the various signals of telecommunication were modulated light wave, the communication mode by optical fiber transmits claimed optical fiber communication.Compare with other communication mode, optical fiber communication has that message capacity is big, repeater span is long, security performance is good, adaptive capacity is strong, volume is little, in light weight, be convenient to construction maintenance and beyond challenge superiority such as the raw material source is abundant, shadow price is cheap, become at present and the most basic, the topmost delivery means of various communication networks in the following information-intensive society.In real network is used, the environment of optic path can compare badly, in the luminous power of the light signal of optical fiber plug, fiber failure (as: fibercuts, the no luminous power of input), opposite equip. fault (as: luminous power is low excessively, luminous power too high), opposite equip. transmission under situations such as local terminal critical condition, the light mouth of the network equipment is easy to take place unusual, all exists certain fault probability of happening usually.For the reliability of testing equipment light mouth under abnormal conditions, need the simulation light path short interruption, so that obtain the reliability of equipment light mouth under abnormal conditions.For example: at SDH (Synchronous Digital Hierarchy; the synchronous digital transmission system) in; after the optical fiber receiving terminal fracture of local terminal equipment; local terminal equipment just can produce LOS (Loss of signal does not have received signal), LOF alarm signals such as (Loss of Frame do not receive whole frame); and corresponding generation B1, B2, B3 error code; send far-end inefficacy indication alarm signal to opposite equip.,, then also communication service can be switched on the protection link if the protection link is arranged.
In the prior art, adopt the mode of manually pulling out, inserting optical fiber, simulate light path short interruption, that is: by hand optical fiber is extracted from optical module, simulate light path and disconnect, again optical fiber is inserted optical module afterwards, the simulation light path is recovered cycling.There are following shortcomings and deficiencies in the mode of hand simulation light path short interruption:
1, need the special messenger to pull out, insert optical fiber, and constantly pull out, insert optical fiber from optical module, inevitably can damage optical fiber or optical module, therefore, the mode of hand simulation light path short interruption need expend the great amount of manpower and material resources resource, has increased financial burden;
2, the time that manual operations can only be controlled roughly and pull out, insert optical fiber, the time control precision is low, and speed hand-manipulated is lower, makes wink break time longer;
3, the frequency of pulling out, inserting optical fiber by hand is lower, is not enough to the integrity problem of exposure device light mouth under abnormal conditions, can't really reach simulation light path short interruption purpose.
Summary of the invention
Technical problem to be solved by this invention is: overcome the above-mentioned shortcomings and deficiencies that hand simulation light path short interruption mode exists in the prior art.
For solving the problems of the technologies described above, a kind of light path short interruption control device provided by the invention comprises:
Optical switch is used to control the light path connection status;
The control information memory module is connected with described control module, is used to store the wink break time parameter;
Control module is connected with described control information memory module and described optical switch respectively, be used for generating the hit control signal according to described wink break time parameter, and transmission is controlled described optical switch by this hit control signal.
In the said apparatus, described optical switch is 2 * 1 optical switches.
Described control module comprises:
Client unit is connected with described control information memory module, is used to receive the control request information of user's input, receives wink break time parameter that the user is provided with and it is stored in the described control information memory module;
Control execution unit, be connected with described client unit, described control information memory module and described optical switch respectively, be used for according to described control request information, from described control information memory module, obtain the wink break time parameter and generate the hit control signal, and send this hit control signal and control described optical switch.
For solving the problems of the technologies described above, a kind of light path short interruption control method provided by the invention may further comprise the steps:
After control module receives control request information, from the control information memory module, obtain the wink break time parameter, generate the hit control signal according to the wink break time parameter, and this hit control signal is sent to optical switch, carry described wink break time parameter in the described hit control signal;
Optical switch is according to the connection status of described wink break time parameter control light path.
In the said method, described control module receives before the control request information, also carries out the step that the wink break time parameter is set in the control information memory module.Accordingly, the step that the wink break time parameter is set in the control information memory module comprises: the client unit input wink break time parameter of user in control module; Client unit is stored in described wink break time parameter in the information storage module.The step that control module is obtained the wink break time parameter and generated the hit control signal comprises: client unit receives control request information, and this control request information is sent to control execution unit; Control execution unit is obtained the wink break time parameter from the control information memory module, and generates the hit control signal according to the wink break time parameter.
Optical switch is specially according to the connection status of described wink break time parameter control light path: optical switch is according to the connection status of described wink break time parameter control by the optical fiber of this optical switch connection.
2 * 1 optical switches are specially by the connection status of described wink break time parameter control light path: 2 * 1 optical switches are by the connection status of described two input end fiber of wink break time parameter control and output optical fiber.
In addition, said method also comprises the step of revising the wink break time parameter of storing in the control information memory module.
Based on technique scheme, the present invention has following beneficial technical effects:
1, can realize the automation of light path short interruption is controlled by light path short interruption control device provided by the invention, avoid manpower to pull out by hand, inserted optical fiber, saved human resources; Simultaneously, avoid prior art to pull out, insert optical fiber by hand and damaged optical fiber or optical module, avoided the material resources that therefore brings, compared with prior art, reduced economic input;
2, can accurately set the wink break time parameter, to the hit precise control of light path;
3, compared with prior art, can realize high-frequency light path short interruption control, thereby the integrity problem of discovering device light mouth under abnormal conditions realizes simulating the purpose of light path short interruption.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of light path short interruption control device embodiment one of the present invention.
Fig. 2 is the structural representation of light path short interruption control device embodiment two of the present invention.
Fig. 3 is the structural representation of light path short interruption control device embodiment three of the present invention.
Fig. 4 is the profile schematic diagram of 2 * 1 optical switches of the present invention.
Fig. 5 is the basic flow sheet of light path short interruption control method of the present invention.
Fig. 6 is the flow chart of light path short interruption control method embodiment of the present invention.
Embodiment
Figure 1 shows that the structural representation of light path short interruption control device embodiment one of the present invention, this light path short interruption control device comprises control information memory module, control module and optical switch.Wherein, optical switch is used to control the light path connection status, that is: control being connected and off-state by inchoation equipment light mouth optical fiber 1 of drawing and the optical fiber 3 that inserts local terminal equipment light mouth; The control information memory module is used for storage by the predefined wink break time parameter of user, that is: the opening time of optical fiber 1 and optical fiber 3, in addition, this wink break time parameter can also comprise the hit number of times of optical fiber 1 and optical fiber 3; Control module is used for obtaining the wink break time parameter from the control information memory module, generates the hit control signal according to this wink break time parameter, and this hit control signal is sent to, by the closure and the disconnection of this hit control signal control optical switch.The control information memory module can be wholely set with control module.
Control module can be obtained the wink break time parameter automatically from the control information memory module, generating the hit control signal comes the state of optical switch is controlled, thereby realize hit control to the light path between inchoation equipment and the local terminal equipment, need not to dial, plug optical fiber, therefore can not damage optical fiber and equipment light mouth, compared with prior art, saved the human and material resources resource; By optical switch light path is carried out hit control, highly sensitive, and, also can realize high hit control frequency, the abundant integrity problem of exposure device light mouth under abnormal conditions is so that overcome early, address this problem.
Under situation about disconnecting in light path, from the light signal of inchoation equipment output, still have fraction to enter in the optical fiber that inserts local terminal equipment, and testing result is caused interference, can the light signal that inchoation equipment sends be drawn by unsettled optical fiber, perhaps the optical fiber that local terminal equipment is inserted is connected with unsettled optical fiber, avoids the input of light signal.In the light path short interruption control device shown in Figure 1, optical switch can open the light for 2 * 1 light, the structural representation of the light path short interruption control device embodiment two when optical switch is 2 * 1 optical switches as shown in Figure 2, wherein, optical fiber 2 is unsettled.In addition, also can adopt other any M * N optical switches, during this M * N light opens the light, only have one road optical fiber to insert inchoation equipment light mouth in the input, all the other optical fiber are unsettled; In the output, also only insert local terminal equipment light mouth by one road optical fiber, all the other optical fiber are unsettled, and wherein, M, N are the integer greater than 1.
Figure 3 shows that the structural representation of light path short interruption control device embodiment three of the present invention, among this embodiment, optical switch has adopted 2 * 1 optical switches, control module comprises interconnective client unit and control execution unit, client unit is used to provide human-computer interaction interface, receive wink break time parameter that the user is provided with and it is stored in the control information memory module, the user also can realize modification to the wink break time parameter that sets in advance by this client unit, in addition, client unit can also receive user input be used to control the connection of light path and the control request information of off-state, and this control request information is sent to control execution unit; Control execution unit also is connected with control information memory module and optical switch respectively, control execution unit is used for obtaining the wink break time parameter according to control request information from the control information memory module, generate the hit control signal in view of the above, and send to optical switch, so that optical switch control light path closure and off-state.
Figure 4 shows that the profile schematic diagram that 1 * 2 light of the present invention opens the light, its stitch comprises control pin and status-pin, and wherein, control module is connected with the control pin, be used for the hit control signal is sent to the control pin, be communicated with optical fiber 1 and optical fiber 3 or optical fiber 2 and optical fiber 3 with the control optical switch; Can detect the switching state of light path by status-pin, that is: optical fiber 1 is communicated with optical fiber 3 or is communicated with optical fiber 3 with optical fiber 2, and is as shown in table 1 below:
Table 1
| Logical light light path | The control pin | Status- |
| Pin |
| 1 | Pin 9 | Pin 10 | | Pin 5-3 | Pin 5-7 | Pin 6-8 | Pin 6-4 | |
| | +5V | GND () | - | - | Disconnected | Logical | Logical | Disconnected |
| | - | - | GND | +5V | Logical | Disconnected | Disconnected | Logical |
Figure 5 shows that the basic flow sheet of light path short interruption control method of the present invention, it carries out following operation:
Referring to Fig. 3, the user is in connection status to the client unit input control optical fiber 1 of control module with optical fiber 3, it is the wink break time parameter that optical fiber 2 and optical fiber 3 are in off-state, comprise that optical fiber 1 and optical fiber 3 are in the time parameter that connection status and optical fiber 2 and optical fiber 3 are in connection status, for example: be respectively 0.005 second and 0.1 second, and make light path disconnect 10000 times hit number of times, send the indication information of storage then; Client unit is stored in the wink break time parameter of user's input in the information storage module, afterwards, just can realize the hit of light path is controlled by light path short interruption control device provided by the invention.After the user is stored in the wink break time parameter in the information storage module, when later on light path being carried out hit control, only need to client unit input control request information, control module just can be obtained the wink break time parameter from information storage module, generate the hit control information and control optical switch, need not the user and repeat to import the wink break time parameter, made things convenient for the user.
The flow chart of light path short interruption control method embodiment of the present invention shown in Figure 6, it may further comprise the steps:
The user is after client unit input control request information, control module just can realize the hit control to light path automatically, need not user's manual operations again, has saved manpower and unable, can not damage optical fiber and equipment light mouth yet, and can realize high sensitivity and the control of high-frequency hit.
The user is provided with in the control information memory module along after the short time parameter by control module, can make amendment to the wink break time parameter by the client unit of control module at any time.
Total beneficial effect that the present invention can bring:
1, can realize the automation of light path short interruption is controlled by light path short interruption control device provided by the invention, avoid manpower to pull out by hand, inserted optical fiber, saved human resources; Simultaneously, avoid prior art to pull out, insert optical fiber by hand and damaged optical fiber or optical module, avoided the material resources that therefore brings, compared with prior art, reduced economic input;
2, can accurately set the wink break time parameter, to the hit precise control of light path, and can realize sensitivity and the control of high-frequency hit;
3, compared with prior art, can realize high-frequency light path short interruption control, thereby the integrity problem of discovering device light mouth under abnormal conditions realizes simulating the purpose of light path short interruption.
It should be noted last that: above embodiment is only in order to illustrating technical scheme of the present invention, but not the present invention is made restrictive sense.Although the present invention is had been described in detail with reference to above-mentioned preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and this modification or be equal to the spirit and scope that replacement does not break away from technical solution of the present invention.
Claims (10)
1, a kind of light path short interruption control device is characterized in that, comprising:
Optical switch is used to control the light path connection status;
The control information memory module is connected with described control module, is used to store the wink break time parameter;
Control module is connected with described control information memory module and described optical switch respectively, is used for generating the hit control signal according to described wink break time parameter, and sends this hit control signal and control described optical switch.
2, device according to claim 1 is characterized in that, described optical switch is 2 * 1 optical switches.
3, device according to claim 1 and 2 is characterized in that, described control module comprises:
Client unit is connected with described control information memory module, is used to receive the control request information of user's input, receives wink break time parameter that the user is provided with and it is stored in the described control information memory module;
Control execution unit, be connected with described client unit, described control information memory module and described optical switch respectively, be used for according to described control request information, from described control information memory module, obtain the wink break time parameter and generate the hit control signal, and send this hit control signal and control described optical switch.
4, a kind of light path short interruption control method is characterized in that, may further comprise the steps:
After control module receives control request information, from the control information memory module, obtain the wink break time parameter, generate the hit control signal according to the wink break time parameter, and this hit control signal is sent to optical switch, carry described wink break time parameter in the described hit control signal;
Optical switch is according to the connection status of described wink break time parameter control light path.
5, light path short interruption control method according to claim 4 is characterized in that, described control module receives before the control request information, also carries out the step that the wink break time parameter is set in the control information memory module.
6, light path short interruption control method according to claim 5 is characterized in that, the step that the wink break time parameter is set in the control information memory module comprises:
The client unit input wink break time parameter of user in control module; Client unit is stored in described wink break time parameter in the information storage module.
7, light path short interruption control method according to claim 6 is characterized in that, the step that control module is obtained the wink break time parameter and generated the hit control signal comprises:
Client unit receives control request information, and this control request information is sent to control execution unit; Control execution unit is obtained the wink break time parameter from the control information memory module, and generates the hit control signal according to the wink break time parameter.
8, according to any described light path short interruption control method of claim 4 to 7, it is characterized in that optical switch is specially according to the connection status of described wink break time parameter control light path: optical switch is according to the connection status of described wink break time parameter control by the optical fiber of this optical switch connection.
9, according to any described light path short interruption control method of claim 4 to 7, it is characterized in that 2 * 1 optical switches are specially according to the connection status of described wink break time parameter control light path: 2 * 1 optical switches are by the connection status of described two input end fiber of wink break time parameter control and output optical fiber.
10, according to any described light path short interruption control method of claim 4 to 7, it is characterized in that, also comprise the step of revising the wink break time parameter of storing in the control information memory module.
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| CNB2006101411124A CN100574155C (en) | 2006-10-09 | 2006-10-09 | Light path short interruption control device and short interruption control method |
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| CNB2006101411124A CN100574155C (en) | 2006-10-09 | 2006-10-09 | Light path short interruption control device and short interruption control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982947A (en) * | 2010-09-28 | 2011-03-02 | 烽火通信科技股份有限公司 | Device and method for automatically positioning faults triggered in receiving no light alarm |
| CN106788710A (en) * | 2016-12-28 | 2017-05-31 | 上海交通大学 | A kind of optical fiber hit feature information extraction system based on adaptive updates a reference value |
| CN106850055A (en) * | 2016-12-28 | 2017-06-13 | 上海交通大学 | A kind of wideband low noise analog front circuit for optical fiber hit detecting system |
| CN106911380A (en) * | 2017-02-28 | 2017-06-30 | 新华三技术有限公司 | A kind of path restoration method and device |
-
2006
- 2006-10-09 CN CNB2006101411124A patent/CN100574155C/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982947A (en) * | 2010-09-28 | 2011-03-02 | 烽火通信科技股份有限公司 | Device and method for automatically positioning faults triggered in receiving no light alarm |
| CN101982947B (en) * | 2010-09-28 | 2013-03-20 | 烽火通信科技股份有限公司 | Device and method for automatically positioning faults triggered in receiving no light alarm |
| CN106788710A (en) * | 2016-12-28 | 2017-05-31 | 上海交通大学 | A kind of optical fiber hit feature information extraction system based on adaptive updates a reference value |
| CN106850055A (en) * | 2016-12-28 | 2017-06-13 | 上海交通大学 | A kind of wideband low noise analog front circuit for optical fiber hit detecting system |
| CN106850055B (en) * | 2016-12-28 | 2019-01-18 | 上海交通大学 | A kind of wideband low noise analog front circuit for optical fiber hit detection system |
| CN106911380A (en) * | 2017-02-28 | 2017-06-30 | 新华三技术有限公司 | A kind of path restoration method and device |
| CN106911380B (en) * | 2017-02-28 | 2019-07-05 | 新华三技术有限公司 | A kind of path restoration method and device |
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| Publication number | Publication date |
|---|---|
| CN100574155C (en) | 2009-12-23 |
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Application publication date: 20070411 Assignee: SHENGHUA ELECTRONICS (HUIYANG) Co.,Ltd. Assignor: HENGQIN INTERNATIONAL INTELLECTUAL PROPERTY EXCHANGE CO.,LTD. Contract record no.: X2023980035180 Denomination of invention: Instantaneous break control device and method for optical path Granted publication date: 20091223 License type: Common License Record date: 20230428 |
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