CN206164535U - OSC optical module with OTDR function - Google Patents
OSC optical module with OTDR function Download PDFInfo
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- CN206164535U CN206164535U CN201621183080.XU CN201621183080U CN206164535U CN 206164535 U CN206164535 U CN 206164535U CN 201621183080 U CN201621183080 U CN 201621183080U CN 206164535 U CN206164535 U CN 206164535U
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- 238000000253 optical time-domain reflectometry Methods 0.000 title claims abstract description 60
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 22
- 239000000835 fiber Substances 0.000 claims description 5
- 238000011897 real-time detection Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 6
- 230000003321 amplification Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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Abstract
The utility model relates to a light communication technology field specifically discloses a OSC optical module with OTDR function, its include the OSC receiving terminal, as the BOSA of module transmitting terminal, respectively with BOSA electric connection's laser driver, OTDR control circuit and breakpoint detection module, integrated glazed emitting laser and OTDR receiving terminal in the BOSA, OTDR control circuit one end and power off detected module electric connection, laser driver and OTDR control circuit one end still all with a MCU electric connection, this MCU passes through communication bus and OSC system device communication connection. The utility model discloses two kinds of functions are detected with the business of interrupt to real -time professional detection of having integrateed, can switch at will, need not to reform transform OSC system device and can realize real -time detection and location, more do not need technical staff to scene, have saved cost of labor and time greatly, are applicable to the industrialization and use widely on a large scale.
Description
Technical field
The utility model is related to technical field of photo communication, more particularly to a kind of with optical time domain reflectometer (OTDR：
Optical Time Domain Reflectometer) Optical Supervisory Channel (OSC：Optical Supervising
Channel) optical module.
Background technology
Intensive multiplexed optical wave (DWDM：Dense Wavelength Division Multiplexing) technology extensively should
In global core net long distance line and Metropolitan Area Network (MAN) Transmission system, the huge potential bandwidth of optical fiber is taken full advantage of, met
People are growing to voice, data and multimedia service demand.In order to be able to timing monitoring network line, discovery failure is simultaneously most
It is fast to solve, allow network normally to run, the concept of Optical Supervisory Channel is arisen at the historic moment, and this channel is exactly OSC.
There are unavoidably the phenomenons such as line fault or device damage and causes communication disruption in Optical Fiber Transmission, in order to be accurately positioned appearance
The position of failure or breakpoint, it is necessary to which breaking point detection is carried out using OTDR.Existing osc light module is generally without band OTDR work(
Can, it is substantially tested by technical staff using special OTDR and supporting test device, this mode not only test group
Net scheme is complicated, and OTDR equipment price is high with cost of labor, and communication system repairs very slow, and the time is long.
Utility model content
The purpose of this utility model is to propose a kind of osc light module with OTDR functions, and it is integrated with real time business
Detection and interrupting service detect two kinds of functions, are capable of achieving real-time detection and positioning.
For achieving the above object, the utility model provides a kind of osc light module with OTDR functions, and it includes：It is logical
The osc light module of communication bus and the communication connection of OSC system equipments is crossed, the osc light module is including OSC receiving terminals, as module
The BOSA of transmitting terminal, the laser driver being electrically connected with BOSA respectively, OTDR control circuits and breaking point detection module；It is described
Light emitting laser and OTDR receiving terminals are integrated with BOSA；Described OTDR control circuits one end is electrical with an outage detection module
Connection, laser driver and OTDR control circuits one end are also electrically connected with a MCU, and the MCU is by communication bus and OSC systems
System equipment communication connection.
Specifically, the osc light module can be communicated to connect by IIC communication bus with OSC system equipments.
In the utility model, the amplitude limit that the OSC receiving terminals include receiving unit and are electrically connected with the receiving unit
Amplifier, the receiving unit one end is provided with optical interface, and limiting amplifier one end is provided with electrical interface.
Photodiode and preamplifier are provided with the receiving unit, from the light data of receiving unit optical interface input
Signal, by internal photodiode electric signal is converted to, and is input to preamplifier and is amplified, and limiting amplifier is received
The premenstrual signal put after amplifier amplification carries out two grades of amplifications, the electric data-signal of output.
LD chips can be included in the BOSA, TO devices, globe lens and single-mode fiber is received；OSC electric signals and
OTDR electric signals load input and drive LD chip light emittings simultaneously；Optical signal passes through ball-lens coupling in single-mode fiber, LD chips
Electro-optic conversion is realized, the optical signal that TO devices collect OTDR receiving terminals is received, electric signal is then converted into, OTDR controls are transported to
Circuit.
Specifically, the breaking point detection module can be a pulse control circuit, the pulse control circuit two ends respectively with
OTDR control circuits and BOSA are electrically connected with.
Osc light module with OTDR functions of the present utility model, it is integrated with real time business detection and interrupting service inspection
Two kinds of functions are surveyed, can arbitrarily be switched, without the need for transforming OSC system equipments real-time detection and positioning are capable of achieving, more do not need skill
Art personnel greatly save cost of labor and time, it is adaptable to industrialize large-scale promotion and use to scene.
Description of the drawings
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 has the osc light module of OTDR functions and the Principle of Communication schematic diagram of OSC system equipments for the utility model；
Fig. 2 has a kind of module connection diagram of specific embodiment of osc light module of OTDR functions for the utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in Figure 1, 2, the utility model provides a kind of osc light module with OTDR functions, and it includes：By communication
The osc light module 20 that bus is communicated to connect with OSC system equipments 10, the osc light module 20 is including OSC receiving terminals, as module
Light transceiver module (the BOSA of transmitting terminal：Bi-Directional Optical Sub-Assembly) 21, respectively with BOSA
21 laser drivers 22 being electrically connected with, OTDR control circuits 23 and breaking point detection module；It is integrated with light in the BOSA21 to send out
Penetrate laser instrument and OTDR receiving terminals (not shown)；Described one end of OTDR control circuits 23 is electrically connected with an outage detection module,
Laser driver 22 and the one end of OTDR control circuits 23 are also electrically connected with a MCU 24, the MCU 24 by communication bus with
OSC system equipments 10 are communicated to connect.The utility model have the osc light module of OTDR functions be integrated with real time business detection and in
Disconnected business detects two kinds of functions, and real-time online detection is that OTDR signals are superimposed upon in a modulated manner into normal data-signal
In, so as to the real-time online for realizing uninterrupted business is detected；It is, when breakpoints of optical fiber is found, can rapidly to interrupt industry to interrupt detection
Business, arranges detection function, then opens business rapidly again.Above two function can arbitrarily switch, and it can realize inspection in real time
Survey and position, more do not need technical staff to scene, greatly save cost of labor and time.
Used as a kind of preferred embodiment of the present utility model, the osc light module 20 can pass through IIC communication bus 202
Communicate to connect with OSC system equipments 10.OSC system equipments 10 realize the configuration of OTDR by IIC interfaces, and existing module is complete
It is compatible, it is not necessary to redefine pin to realize.
In the utility model, described OSC receiving terminals include receiving unit 25 and are electrically connected with the receiving unit 25
Limiting amplifier 26, the one end of receiving unit 25 is provided with optical interface 252, and the one end of limiting amplifier 26 is provided with electrical interface and (does not scheme
Show).Module interface in the utility model meets the agreement of SFP MSA and SFF 8472.Further, set in the receiving unit 25
There are photodiode (PD) and preamplifier (not shown).Receiving unit 25 and limiting amplifier 26 complete the reception of OSC
Function, the light data signal being input into from the optical interface 252 of receiving unit 25, by the photodiode of inside modules electricity is converted to
Signal, is input to preamplifier and is amplified, and limiting amplifier 26 receives the premenstrual signal put after amplifier amplification and carries out two
Level is amplified, the electric data-signal of output.So, it is input into the optical signal of osc light module 20 Jing after above-mentioned opto-electronic conversion and two grades are amplified,
Constant output is kept in the electric data output end of module, will not be fluctuated with the size variation of input optical signal.
Specifically, semiconductor laser (LD is included in BOSA 21 in the utility model：Leser Diode) chip, connect
Receive transistor outline (TO：Transistor Uutline) device, globe lens and single-mode fiber (not shown).The BOSA 21
One end is provided with optical interface 210, and OSC electric signals and OTDR electric signals load input and drive LD chip light emittings simultaneously；Optical signal passes through
Ball-lens coupling is in single-mode fiber.Wherein, LD chips are used to realize electro-optic conversion that reception TO devices to collect OTDR receiving terminals
Optical signal, is then converted into electric signal, is transported to OTDR control circuits 23.Globe lens plays optics and gathers as optical component
Burnt effect.Laser driver 22 is used to drive, control LD.First, OSC system equipments 10 are input to the electricity of osc light module 20
Data-signal is received by laser driver 22, and is modulated in the driving current of LD, drives LD to send with data modulated signal
Laser；Electric data send superposition and are coupled on laser instrument LD by OTDR control circuits 23, drive LD to send with OTDR data
The laser of modulated signal.
We adopt integrated master chip MCU schemes to circuit chip scheme in the utility model, and the MCU 24 not only can
The intelligent optical transceiver module demand of EEPROM information and monitor in real time is realized, while can also meet the customized demand of client, is realized
Flexible design and diversification application.
Used as a kind of specific embodiment of the present utility model, the breaking point detection module can be a pulse control circuit
27, the two ends of pulse control circuit 27 are electrically connected with respectively with OTDR control circuits 23 and BOSA 21, for realizing that OTDR interrupts
Detection function.
Further, using the utility model there is the osc light module of OTDR functions to realize real-time, interrupting service detection
When, it is in a modulated manner superimposed upon OTDR signals in normal data-signal, so as to realize uninterrupted business it is real-time
Line is detected.Specifically, the optical signal for sending as the BOSA 21 of module transmitting terminal is normal data-signal and OTDR signals
It is superimposed, then OTDR receiving terminals detection OTDR breakpoint functions, OSC receiving terminals detection OSC regular traffics.Both are while real-time work
Make.Breaking point detection module is sampled, calculated to OTDR electric signals, exports result of calculation, and OSC system equipments 10 are total by communication
Line and the real-time Communication for Power of osc light module 20, the breakpoint in optical fiber link is determined according to the result of calculation for receiving.
Used as a kind of specific embodiment of the present utility model, the OSC system equipments 10 are given by IIC communication bus 202
Go out pulse generation to enable after signal instruction, osc light module 20 produces the output of pulse signal for breaking point detection, by pulse signal
Be converted to Jing optical path components after optical signal and couple and be given to OTDR receiving terminals, be reconverted into electric signal and be input to breaking point detection mould
Block；Breaking point detection module is sampled, calculated to the electric signal, exports result of calculation；OSC system equipments 10 are according to the meter for receiving
The breakpoint that result is determined in optical fiber link is calculated, it need not transform the function that OSC system equipments are capable of achieving breaking point detection.
Used as a kind of preferred embodiment of the present utility model, the breaking point detection module can be a pulse control circuit
27, for realizing that OTDR interrupts detection.When the dynamic range of real-time detection function not enough meets detection over long distances, it will close
Real-time detection function, opens OTDR and interrupts detection function, and this function can detect the rupture of line situation of long-distance optical fiber.Typically
In the case of, this function is closed.When using this function, real-time online detection circuit is needed in closing shape
State.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of osc light module with OTDR functions, including the OSC by communication bus and the communication connection of OSC system equipments
Optical module, it is characterised in that the osc light module includes the OSC receiving terminals, BOSA as module transmitting terminal, electric with BOSA respectively
Property connection laser driver, OTDR control circuits and breaking point detection module；Be integrated with the BOSA light emitting laser and
OTDR receiving terminals；Described OTDR control circuits one end is electrically connected with an outage detection module, and laser driver and OTDR are controlled
Circuit on one side is also electrically connected with a MCU, and the MCU is communicated to connect by communication bus with OSC system equipments.
2. there is as claimed in claim 1 the osc light module of OTDR functions, it is characterised in that the osc light module passes through
IIC communication bus is communicated to connect with OSC system equipments.
3. there is as claimed in claim 1 the osc light module of OTDR functions, it is characterised in that the OSC receiving terminals are included
Receiving unit and the limiting amplifier being electrically connected with the receiving unit, the receiving unit one end is provided with optical interface, limited range enlargement
Device one end is provided with electrical interface.
4. there is as claimed in claim 3 the osc light module of OTDR functions, it is characterised in that be provided with the receiving unit
Photodiode and preamplifier.
5. there is as claimed in claim 1 the osc light module of OTDR functions, it is characterised in that include LD in the BOSA
Chip, reception TO devices, globe lens and single-mode fiber.
6. the osc light module with OTDR functions as claimed in claim 1, it is characterised in that the breaking point detection module is
One pulse control circuit, the pulse control circuit two ends are electrically connected with respectively with OTDR control circuits and BOSA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621183080.XU CN206164535U (en) | 2016-11-03 | 2016-11-03 | OSC optical module with OTDR function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621183080.XU CN206164535U (en) | 2016-11-03 | 2016-11-03 | OSC optical module with OTDR function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164535U true CN206164535U (en) | 2017-05-10 |
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ID=58657324
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621183080.XU Active CN206164535U (en) | 2016-11-03 | 2016-11-03 | OSC optical module with OTDR function |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452568A (en) * | 2016-11-03 | 2017-02-22 | 深圳新飞通光电子技术有限公司 | OSC (Optical Supervising Channel) optical module with OTDR (Optical Time Domain Reflectometer)) function and method for realizing real-time and interruption service detection thereof |
| CN109586787A (en) * | 2018-11-28 | 2019-04-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN109756262A (en) * | 2019-02-27 | 2019-05-14 | 武汉光迅科技股份有限公司 | A kind of optical fiber telecommunications line monitoring method, device and computer storage medium |
| CN112821945A (en) * | 2021-02-20 | 2021-05-18 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
-
2016
- 2016-11-03 CN CN201621183080.XU patent/CN206164535U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106452568A (en) * | 2016-11-03 | 2017-02-22 | 深圳新飞通光电子技术有限公司 | OSC (Optical Supervising Channel) optical module with OTDR (Optical Time Domain Reflectometer)) function and method for realizing real-time and interruption service detection thereof |
| CN109586787A (en) * | 2018-11-28 | 2019-04-05 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN109756262A (en) * | 2019-02-27 | 2019-05-14 | 武汉光迅科技股份有限公司 | A kind of optical fiber telecommunications line monitoring method, device and computer storage medium |
| CN112821945A (en) * | 2021-02-20 | 2021-05-18 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
| CN112821945B (en) * | 2021-02-20 | 2022-04-05 | 深圳市双翼科技股份有限公司 | BOSA test method, system, device and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240326 Address after: Room 601 and 701, North Block, Yuanxing Technology Building, No.1 Songpingshan Road, High tech Industrial Park (North District), Nanshan District, Shenzhen, Guangdong Province, 518057 Patentee after: Longmet Communication Technology (Shenzhen) Co.,Ltd. Country or region after: China Address before: 518057 xinfeitong optoelectronic building, No.8, Keji South 12 road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: NEOPHOTONICS Corp. Country or region before: China |