CN204615828U - Intelligent optical circuit automatic switching protection equipment - Google Patents
Intelligent optical circuit automatic switching protection equipment Download PDFInfo
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- CN204615828U CN204615828U CN201520326853.4U CN201520326853U CN204615828U CN 204615828 U CN204615828 U CN 204615828U CN 201520326853 U CN201520326853 U CN 201520326853U CN 204615828 U CN204615828 U CN 204615828U
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Abstract
Intelligent optical circuit automatic switching protection equipment, relates to a kind of communication proterctive equipment.At present, the two fine mode of new dwdm system OSC monitoring and controlling channels gloss single fiber is transmitted, and when circuit LINE2 fault, easily causes the misjudgment of 1:1 type OLP equipment, does not switch DWDM signal protection to secondary route.The utility model comprise output port TX, input port RX, main line output port T1, standby line output terminal mouth T2, main line input port R1, standby line input port R2, be connected with controller monitoring end for filtering the filter monitoring ripple.The technical program filters out OSC pilot signal light by filter removal and disturbs the optical power monitoring of 1:1 type OLP equipment, solves the functional defect that 1:1 type OLP equipment normally cannot be protected new DWDM equipment.
Description
Technical field
The utility model relates to a kind of communication proterctive equipment, is especially intelligent optical circuit automatic switching protection equipment.
Background technology
Conventional DWDM system adopts the mode of the photosynthetic ripple transmission of business light+OSC monitoring and controlling channels, and wherein business light is two fine transmitted in both directions, and OSC monitoring and controlling channels light and business light are also two fine transmitted in both directions in the same way.Business light C-band+L-band (1525nm-1625nm) wave-length coverage transmission, OSC monitoring and controlling channels light in 1510nm wavelength transmission, as shown in Figure 1.
With the 1:1 type OLP equipment (SOLP-200) of the upper exploitation in this basis; Main Function be for dwdm system provide the second optical line by physics route protection; when former optical line is by when occurring to interrupt; dwdm system can be switched to the second optical line by upper by 1:1 type OLP equipment automatically; ensure that dwdm system normally runs, as shown in Figure 2.
New dwdm system adopts the mode of the photosynthetic ripple transmission of business light+OSC monitoring and controlling channels, and wherein business light is two fine transmitted in both directions, and OSC monitoring and controlling channels light is single fiber bi-directional transmission.Business light is in the transmission of C-band+L-band (1525nm-1625nm) wave-length coverage, and OSC monitoring and controlling channels light transmits on 1511nm and 1491nm two wavelength, as shown in Figure 3.
Because the two fine mode of new dwdm system OSC monitoring and controlling channels gloss single fiber is transmitted, C point place mail at B station A station 1491nmOSC monitoring and controlling channels light and A station, D point place mail to B station 1510nmOSC monitoring and controlling channels light can affect 1:1 type OLP device switching judgement, thus cause former optical line by when occurring to interrupt, 1:1 type OLP equipment cannot be switched to the second optical line and protect unsuccessfully by causing, as shown in Figure 4, when circuit LINE2 fault, C point place still can monitor the OSC1 pilot signal light that B station is mail at A station, thus cause the misjudgment of 1:1 type OLP equipment, DWDM signal protection is not switched to secondary route.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition carries out improving to prior art and improves; intelligent optical circuit automatic switching protection equipment is provided, solves to reach the object that 1:1 type OLP equipment normally cannot protect new dwdm system defect.For this reason, the utility model takes following technical scheme.
Intelligent optical circuit automatic switching protection equipment, is characterized in that: comprise output port TX, input port RX, main line output port T1, standby line output terminal mouth T2, main line input port R1, standby line input port R2, be connected with controller monitoring end for filtering the filter monitoring ripple.Filter out OSC pilot signal light by filter removal to disturb the optical power monitoring of 1:1 type OLP equipment, solve the functional defect that 1:1 type OLP equipment normally cannot be protected new DWDM equipment.
As improving further and supplementing technique scheme, the utility model also comprises following additional technical feature.
Described main line input port R1 is connected with input port RX through the first optical splitter, the first optical switch; Described main line input port R1 is connected with input port RX through the second optical splitter, the first optical switch; One output of the first described optical splitter is connected with controller through the first filter; One output of the second described optical splitter is connected with controller through the second filter.
Described output port TX is connected with main line output port T1 or standby line output terminal mouth T2 through the 3rd optical splitter, the second optical switch; One output of the 3rd described optical splitter is connected with controller through the 3rd filter.
The first described optical switch is connected by laser transceiver with between the second optical switch; The input of the first optical switch is connected with laser transceiver, and the output of laser transceiver is connected with the input of the second optical switch.
The first described optical switch and the second optical switch are 2*2 optical switch; The first described optical splitter, the second optical splitter, the 3rd optical splitter are 1:2 optical splitter.
Described filter comprises filter, filter with 1520nm wavelength for boundary filters the light signal of below 1520nm wavelength.
Described filter comprises TFF dielectric film filter, and 1:2 optical splitter is connected with controller monitoring end through TFF dielectric film filter, PIN diode.
Beneficial effect: the technical program filters out OSC pilot signal light by the filter removal of setting up and disturbs the optical power monitoring of 1:1 type OLP equipment, solves the functional defect that 1:1 type OLP equipment normally cannot be protected new DWDM equipment.
Accompanying drawing explanation
Fig. 1 is traditional DWDM (intensive multiplexed optical wave is used) systematic schematic diagram.
Fig. 2 is existing fiber circuit automatic switchover protection device schematic diagram.
Fig. 3 is dwdm system schematic diagram after improving.
Fig. 4 is dwdm system protection failure analysis figure.
Fig. 5 is the utility model structural representation.
Fig. 6 is the utility model Filter Principle figure.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 5, the technical program (SOLP-200-OSC) comprise output port TX, input port RX, main line output port T1, standby line output terminal mouth T2, main line input port R1, standby line input port R2, be connected with controller monitoring end for filtering the filter monitoring ripple.Wherein
Main line input port R1 is connected with input port RX through the first optical splitter, the first optical switch; Main line input port R1 is connected with input port RX through the second optical splitter, the first optical switch; One output of the first optical splitter is connected with controller through the first filter; One output of the second optical splitter is connected with controller through the second filter.Output port TX is connected with main line output port T1 or standby line output terminal mouth T2 through the 3rd optical splitter, the second optical switch; One output of the 3rd optical splitter is connected with controller through the 3rd filter.Be connected by laser transceiver between first optical switch with the second optical switch; The input of the first optical switch is connected with laser transceiver, and the output of laser transceiver is connected with the input of the second optical switch.First optical switch and the second optical switch are 2*2 optical switch; First optical splitter, the second optical splitter, the 3rd optical splitter are 1:2 optical splitter.
As shown in Figure 6, filter comprises TFF dielectric film filter, TFF dielectric film filter with 1520nm wavelength for boundary filters the light signal of below 1520nm wavelength; 1:2 optical splitter is connected with controller monitoring end through TFF dielectric film filter, PIN diode.
TFF dielectric film filter adopts individual layer filter film technology with 1520nm wavelength for boundary; filter out the light signal of below 1520nm wavelength; business light is passed through at the light signal of C-band+L-band (1525nm-1625nm) wavelength; remove OSC pilot signal light to disturb the optical power monitoring of 1:1 type OLP equipment, solve the functional defect that 1:1 type OLP equipment normally cannot be protected new DWDM equipment.
Intelligent optical circuit automatic switching protection equipment shown in above Fig. 5,6 is specific embodiment of the utility model; the utility model substantive distinguishing features and progress are embodied; can according to the use needs of reality; under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspect such as shape, structure, all at the row of the protection range of this programme.
Claims (7)
1. intelligent optical circuit automatic switching protection equipment, is characterized in that: comprise output port TX, input port RX, main line output port T1, standby line output terminal mouth T2, main line input port R1, standby line input port R2, be connected with controller monitoring end for filtering the filter monitoring ripple.
2. intelligent optical circuit automatic switching protection equipment according to claim 1, is characterized in that: described main line input port R1 is connected with input port RX through the first optical splitter, the first optical switch; Described main line input port R1 is connected with input port RX through the second optical splitter, the first optical switch; One output of the first described optical splitter is connected with controller through the first filter; One output of the second described optical splitter is connected with controller through the second filter.
3. intelligent optical circuit automatic switching protection equipment according to claim 2, is characterized in that: described output port TX is connected with main line output port T1 or standby line output terminal mouth T2 through the 3rd optical splitter, the second optical switch; One output of the 3rd described optical splitter is connected with controller through the 3rd filter.
4. intelligent optical circuit automatic switching protection equipment according to claim 3, is characterized in that: the first described optical switch is connected by laser transceiver with between the second optical switch; The input of the first optical switch is connected with laser transceiver, and the output of laser transceiver is connected with the input of the second optical switch.
5. intelligent optical circuit automatic switching protection equipment according to claim 4, is characterized in that: the first described optical switch and the second optical switch are 2*2 optical switch; The first described optical splitter, the second optical splitter, the 3rd optical splitter are 1:2 optical splitter.
6. intelligent optical circuit automatic switching protection equipment according to claim 1, is characterized in that: described filter comprises filter, filter with 1520nm wavelength for boundary filters the light signal of below 1520nm wavelength.
7. intelligent optical circuit automatic switching protection equipment according to claim 5, it is characterized in that: described filter comprises TFF dielectric film filter, 1:2 optical splitter is connected with controller monitoring end through TFF dielectric film filter, PIN diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326853.4U CN204615828U (en) | 2015-05-20 | 2015-05-20 | Intelligent optical circuit automatic switching protection equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520326853.4U CN204615828U (en) | 2015-05-20 | 2015-05-20 | Intelligent optical circuit automatic switching protection equipment |
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| CN204615828U true CN204615828U (en) | 2015-09-02 |
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| CN201520326853.4U Active CN204615828U (en) | 2015-05-20 | 2015-05-20 | Intelligent optical circuit automatic switching protection equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401595A (en) * | 2019-07-30 | 2019-11-01 | 深圳市智微智能软件开发有限公司 | A kind of BYPASS system |
| CN110995336A (en) * | 2019-11-15 | 2020-04-10 | 武汉光迅信息技术有限公司 | OLP transmission link switching method and device, storage medium and OLP |
| CN113541795A (en) * | 2020-04-17 | 2021-10-22 | 烽火通信科技股份有限公司 | Single-fiber bidirectional implementation method and equipment for OSC channel of wavelength division system |
-
2015
- 2015-05-20 CN CN201520326853.4U patent/CN204615828U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401595A (en) * | 2019-07-30 | 2019-11-01 | 深圳市智微智能软件开发有限公司 | A kind of BYPASS system |
| CN110401595B (en) * | 2019-07-30 | 2021-10-08 | 深圳市智微智能软件开发有限公司 | BYPASS system |
| CN110995336A (en) * | 2019-11-15 | 2020-04-10 | 武汉光迅信息技术有限公司 | OLP transmission link switching method and device, storage medium and OLP |
| CN113541795A (en) * | 2020-04-17 | 2021-10-22 | 烽火通信科技股份有限公司 | Single-fiber bidirectional implementation method and equipment for OSC channel of wavelength division system |
| CN113541795B (en) * | 2020-04-17 | 2022-04-15 | 烽火通信科技股份有限公司 | Single-fiber bidirectional implementation method and equipment for OSC channel of wavelength division system |
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Address after: 1805, room 510620, Ren Feng building, 490 Tianhe Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Jie Xin Polytron Technologies Inc Address before: 1805, room 510620, Ren Feng building, 490 Tianhe Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Jie Xin ANT Nachrichtentechnik GmbH |