CN204290966U - A kind of optical fiber automatic switchover protection device - Google Patents
A kind of optical fiber automatic switchover protection device Download PDFInfo
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- CN204290966U CN204290966U CN201420852949.XU CN201420852949U CN204290966U CN 204290966 U CN204290966 U CN 204290966U CN 201420852949 U CN201420852949 U CN 201420852949U CN 204290966 U CN204290966 U CN 204290966U
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- light protection
- protection single
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 21
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 abstract description 11
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 13
- 230000008054 signal transmission Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of optical fiber automatic switchover protection device; comprise an A end office (EO) terminal and a B end office (EO) terminal; and described A end office (EO) terminal and described B end office (EO) terminal are equipped with a transmitter and a receiver; also comprise the first light protection single-deck and the second light protection single-deck; and described light protection single-deck receives the signal of described transmitter and sends a signal to described receiver; also comprise a primary circuit and an extension wire, and described first light protection single-deck and the second light protection single-deck to carry out signal by described primary circuit and described extension wire mutual.The utility model main line optical fiber blocks, and ensures that communication service is without blocking-up; In the normal situation of main line, ensure that communication service is without interruption; Can the circuit Insertion Loss situation of the primary and backup route of Real-Time Monitoring, and according to the alarming threshold alarm prompt of setting.Switch plate power down or power on, does not affect the switching state of standby usage route, ensures system worked well; And possess warm connection function.
Description
Technical field
The utility model relates to a kind of optical fiber automatic switchover protection device.
Background technology
Optical fiber automatic switching protection system be one independent of telecommunication transmission system, be based upon the Automatic monitoring and protection system on optical cable physical link completely.When working optical fibre loss increase causes communication quality to decline or working optical fibre occurs to block; optical communication transmission system automatically can be switched to spare fibre from working optical fibre by system in real time; recover communication; realize the synchronism switching protection of lightguide cable link; thus greatly improve the availability of lightguide cable link; strengthen the reliability of communication system, guarantee service quality.
Above-mentioned shortcoming is there is in prior art:
1. the track blocks probability that causes service disconnection accident to occur is high;
2. maintaining cables costly;
3. fault discovery is low with the speed of reparation, needs the transmission of interrupting service signal;
4. can not flexible dispatching route, inconvenient circuit cutover and maintenance;
5. contribute to improving line upkeep performance.
Utility model content
The purpose of this utility model is to provide a kind of optical fiber automatic switchover protection device, and it can solve above-mentioned shortcoming of the prior art.
The utility model is by the following technical solutions:
A kind of optical fiber automatic switchover protection device; comprise an A end office (EO) terminal and a B end office (EO) terminal; and described A end office (EO) terminal and described B end office (EO) terminal are equipped with a transmitter and a receiver; also comprise the first light protection single-deck and the second light protection single-deck; and described first light protection single-deck and the second light protection single-deck all receive the signal of described transmitter and send a signal to described receiver; also comprise a primary circuit and an extension wire, and described first light protection single-deck and the second light protection single-deck to carry out signal by described primary circuit and described extension wire mutual.
Described first light protection single-deck is provided with one first transmitting terminal, the second transmitting terminal, the first receiving terminal and the second receiving terminal, and described second light protection single-deck is provided with one first transmitting terminal, the second transmitting terminal, the first receiving terminal and the second receiving terminal.
First transmitting terminal of described first light protection single-deck and the first receiving terminal are protected the first receiving terminal of single-deck and the first transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.
Second transmitting terminal of described first light protection single-deck and the second receiving terminal are protected the second receiving terminal of single-deck and the second transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.
Described first light protection single-deck comprise coupler and or optical switch.
Described second light protection single-deck comprise coupler and or optical switch.
The utility model can have the following advantages by the utility model: main line optical fiber blocks, and automatically switches to reserve line, ensures that communication service is without blocking-up; In the normal situation of main line, instruction scheduling switch operating route can be sent by webmaster or device panel, ensure that communication service is without interruption; Can the circuit Insertion Loss situation of the primary and backup route of Real-Time Monitoring, and according to the alarming threshold alarm prompt of setting.Switch plate power down or power on, does not affect the switching state of standby usage route, ensures system worked well; And possess warm connection function.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in detail, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the first embodiment of the present utility model.
Fig. 3 is the structural representation of the first embodiment of the present utility model.
Fig. 4 is the structural representation of the first embodiment of the present utility model.
Fig. 5 is the structural representation of the first embodiment of the present utility model.
Fig. 6 is the structural representation of the first embodiment of the present utility model.
Fig. 7 is the structural representation of the first embodiment of the present utility model.
Fig. 8 is the structural representation of the first embodiment of the present utility model.
Embodiment
Embodiment of the present utility model is set forth further below in conjunction with accompanying drawing:
Below in conjunction with drawings and Examples, the utility model is described in further detail.
With reference to accompanying drawing 1, a kind of optical fiber automatic switchover protection device, comprise an A end office (EO) terminal and a B end office (EO) terminal, and described A end office (EO) terminal and described B end office (EO) terminal are equipped with an a transmitter TX and receiver RX, also comprise the first light protection single-deck 1 and the second light protection single-deck 2, and described first light protection single-deck and the second light protection single-deck all receive the signal of described transmitter and send a signal to described receiver, also comprise a primary circuit and an extension wire, and described first light protection single-deck and the second light protection single-deck to carry out signal by described primary circuit and described extension wire mutual.
Described first light protection single-deck is provided with one first transmitting terminal T1, the second transmitting terminal T2, the first receiving terminal R1 and the second receiving terminal R2, and described second light protection single-deck is provided with one first transmitting terminal T1, the second transmitting terminal T2, the first receiving terminal R1 and the second receiving terminal R2.
First transmitting terminal of described first light protection single-deck and the first receiving terminal are protected the first receiving terminal of single-deck and the first transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.Second transmitting terminal of described first light protection single-deck and the second receiving terminal are protected the second receiving terminal of single-deck and the second transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.Described first light protection single-deck comprise coupler and or optical switch.Described second light protection single-deck comprise coupler and or optical switch.
As shown in Fig. 2 to Fig. 8, OLP Optical Line Protection device provides the Optical Line Protection scheme of various ways to user.
As shown in Figure 2: the light signal that website A sends, after the coupler beam splitting of 50:50, is transferred to website B through primary, spare circuit, at receiving terminal, according to the power of the two paths of signals received simultaneously, reception one road signal selected by the receiver of website B.
As shown in Figure 3: have two circuits between website A and website B, optical transmission system selects certain transmission lines wherein as primary circuit, and an other transmission lines, as extension wire, is used for transmitting time one stage signal or not signal transmission.When certain root optical fiber/cable of primary circuit or primary circuit breaks down and causes communication quality to decline, the receiving terminal of primary circuit monitors the power drop of signal, automatically by signal transmission route from primary circuit switching to extension wire, what the OLP equipment of one end can be synchronous in addition gets on the circuit switching of locality to extension wire.Attention: if switch positive transmission on front extension wire the signal of time one-level, then after switching, the signal of time one-level will be interrupted.
The design of OLP functions of the equipments exists difference, and the concrete function difference of two kinds of different modes is as shown in table 2 below:
The function comparison sheet of table 2 different modes
As shown in Figure 4: the light signal that website A sends, after the coupler beam splitting of 50:50, is transferred to website B through primary, spare circuit simultaneously, at AR dish end according to the power of the two paths of signals received, the selection of website B receives a road signal.The light signal sent by website B is in the other direction sent to website A along same circuit.This mode is applied in the transmission system of single fiber bi-directional.
As shown in Figure 5: mode is similar with the protected mode of the second embodiment, is 1:1 pattern, is applied in the transmission system of single fiber bi-directional.
As shown in Figure 6: the light signal that far-end transmits enters In1 port, after the coupler beam splitting of 50:50, be sent to protected equipment and inner optical switch place respectively.Under power-off, spread of voltage or other abnormal conditions appear in protected equipment, the optical switch that OLP equipment can switch this carrys out this equipment of bypass, and light signal is directly sent from Out2 port, makes light signal avoid fault point and normal transmission.After the Failure elimination of protected equipment, Signal transmissions rebound on equipment, can recover original normal transmission automatically.
Shown in Fig. 7: the light signal that far-end transmits enters In1 port, arrive protected equipment through an optical switch, equipment light signal out arrives Out2 port through this optical switch again and spreads out of.Under power-off, spread of voltage or other abnormal conditions appear in protected equipment, OLP equipment can switch this optical switch and carry out this equipment of bypass, and light signal is directly sent from Out2 port, makes light signal avoid fault point and normal transmission.After the Failure elimination of protected equipment, Signal transmissions rebound on equipment, can recover original normal transmission automatically.
As shown in Figure 8: if circuit of making a start damages, REG does not turn off, whether circuit damages to cause R1 not judge.Introducing OLP-R equipment, between OEO and OUT, adding 1 optical switch, when detecting that In port is unglazed, this optical switch switches, and cuts off the light path between OEO out and Out, and R1 is detected unglazed (disconnected fine), send switching requirement, the OLP equipment of A, B website thus switch.
The utility model has the following advantages:
1) automatic switching function: main line optical fiber blocks, and automatically switches to reserve line, ensures that communication service is without blocking-up;
2) overhaul scheduling feature: in the normal situation of main line, instruction scheduling switch operating route can be sent by webmaster or device panel, ensure that communication service is without interruption;
3) active and standby fine Insertion Loss monitoring function: can the circuit Insertion Loss situation of the primary and backup route of Real-Time Monitoring, and according to the alarming threshold alarm prompt of setting.
4) power down, power on maintenance function: switch plate power down or power on, and do not affect the switching state of standby usage route, ensure system worked well; And possess warm connection function.
5) network management function:
Equipment control: realize classifying to switching device, configure, controlling
Real-time monitoring: realize the real-time monitoring to OLP equipment state and route lines situation
Alarm management: in real time the alarm of switching device is collected, reports to the police, confirmed
Performance management: can by the data of the time interval collecting device running status of user's setting
Safety management: user and rights management thereof
Log management: register system event
Topology display: the Topology display realizing device distribution and state
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an optical fiber automatic switchover protection device, it is characterized in that, comprise an A end office (EO) terminal and a B end office (EO) terminal, and described A end office (EO) terminal and described B end office (EO) terminal are equipped with a transmitter and a receiver, also comprise the first light protection single-deck and the second light protection single-deck, and described first light protection single-deck and the second light protection single-deck all receive the signal of described transmitter and send a signal to described receiver, also comprise a primary circuit and an extension wire, and described first light protection single-deck and the second light protection single-deck to carry out signal by described primary circuit and described extension wire mutual.
2. optical fiber automatic switchover protection device according to claim 1; it is characterized in that; described first light protection single-deck is provided with one first transmitting terminal, the second transmitting terminal, the first receiving terminal and the second receiving terminal, and described second light protection single-deck is provided with one first transmitting terminal, the second transmitting terminal, the first receiving terminal and the second receiving terminal.
3. optical fiber automatic switchover protection device according to claim 2; it is characterized in that, the first transmitting terminal of described first light protection single-deck and the first receiving terminal are protected the first receiving terminal of single-deck and the first transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.
4. optical fiber automatic switchover protection device according to claim 3; it is characterized in that, the second transmitting terminal of described first light protection single-deck and the second receiving terminal are protected the second receiving terminal of single-deck and the second transmitting terminal to carry out signal respectively by circuit primary described in one and described second light and are connect mutually.
5. optical fiber automatic switchover protection device according to claim 4, is characterized in that, described first light protection single-deck comprise coupler and or optical switch.
6. optical fiber automatic switchover protection device according to claim 5, is characterized in that, described second light protection single-deck comprise coupler and or optical switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852949.XU CN204290966U (en) | 2014-12-30 | 2014-12-30 | A kind of optical fiber automatic switchover protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852949.XU CN204290966U (en) | 2014-12-30 | 2014-12-30 | A kind of optical fiber automatic switchover protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204290966U true CN204290966U (en) | 2015-04-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420852949.XU Expired - Fee Related CN204290966U (en) | 2014-12-30 | 2014-12-30 | A kind of optical fiber automatic switchover protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204290966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871610A (en) * | 2016-03-30 | 2016-08-17 | 广东凯通软件开发有限公司 | Wavelength division system cutover conflict determining method and apparatus |
-
2014
- 2014-12-30 CN CN201420852949.XU patent/CN204290966U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105871610A (en) * | 2016-03-30 | 2016-08-17 | 广东凯通软件开发有限公司 | Wavelength division system cutover conflict determining method and apparatus |
| CN105871610B (en) * | 2016-03-30 | 2019-04-16 | 凯通科技股份有限公司 | Wavelength-division system cutover judgement method for confliction detection and device |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 Termination date: 20161230 |