CN202004761U - 1*9 optical module with digital diagnosis function - Google Patents
1*9 optical module with digital diagnosis function Download PDFInfo
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- CN202004761U CN202004761U CN2011200230611U CN201120023061U CN202004761U CN 202004761 U CN202004761 U CN 202004761U CN 2011200230611 U CN2011200230611 U CN 2011200230611U CN 201120023061 U CN201120023061 U CN 201120023061U CN 202004761 U CN202004761 U CN 202004761U
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- optical module
- circuit
- ddm
- differential data
- data input
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Abstract
The utility model discloses a 1*9 optical module with a digital diagnosis function, belonging to the fault detection technology of an optical module and mainly solving the problem of inconvenience for fault detection of the existing optical module. The 1*9 optical module with the digital diagnosis function mainly comprises a differential data input driving circuit, a laser diode, a receiving assembly and an amplification circuit, wherein the output end of the differential data input driving circuit is connected with the receiving assembly by the laser diode, the output end of the receiving assembly is connected with the input end of the amplification circuit, and a DDM (data distribution management) function circuit is further arranged between the laser diode and the receiving assembly. In the optical module, the DDM function circuit is utilized to monitor various signals in the optical module in real time, thus realizing the purpose of fast detecting the faults of the optical module, providing great convenience for detection and maintenance of the optical module, saving a great amount of manpower and a number of materials resources and improving practical values of the optical module.
Description
Technical field
The utility model relates to a kind of optical module, specifically, relates to a kind of 1 * 9 optical module with diagnostic function.
Background technology
Tradition 1*9 optical module only has photoelectric converting function and received signal measuring ability, and its single nine kinds of needles electricity mouthful pin definitions is followed successively by VEER, RD+, RD-, SD, VCCR, VCCT, TD-, TD+, VEET.Existing this technical scheme, if system breaks down in the optical fiber link that uses the transmission of 1*9 optical module, then need to use the ancillary equipment system of building to test, this can only be by the way of field survey, not only extremely inconvenient, wasting manpower and material resources also, sometimes even may need and will remove just and can test on the 1*9 optical module slave unit, make detection efficiency extremely low, the utmost point is not suitable for the development need of modern society.
The utility model content
The purpose of this utility model is to provide a kind of optical module with the numerical diagnostic function, by newly-increased diagnostic module, realizes that the telecommunication networkization of optical module fault detects in real time, solves the problem of fault detect inconvenience in the prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of 1 * 9 optical module with the numerical diagnostic function, mainly comprise differential data input driving circuit, laser diode, receiving unit and amplifying circuit, wherein, the output of differential data input driving circuit is connected with receiving unit by laser diode, the output of receiving unit then is connected with the input of amplifying circuit, it is characterized in that, between described laser diode and receiving unit, also be provided with the DDM functional circuit.
Further, also be provided with the APC circuit in the utility model, the input of this APC circuit is connected with laser diode, and output is connected with the differential data input driving circuit.
Again further, described receiving unit comprises interconnective detector and trans-impedance amplifier, and wherein, the input of detector is connected with the DDM functional circuit, and the output of trans-impedance amplifier then is connected with amplifying circuit.
Described amplifying circuit is an amplitude limiting amplifier circuit.
Further, also be provided with external-connected port in the utility model, this external-connected port is connected with amplifying circuit with differential data input driving circuit, DDM functional circuit respectively.Say that exactly this external-connected port is single nine kinds of needles electricity mouth.So-called single nine kinds of needles electricity mouth is meant that this module is provided with nine contact pin mouths that are arranged in a row.
In such scheme, the utility model redefines external-connected port, and its pin definitions is followed successively by SDA, RD+, RD-, LOS, SCL, VCC, TD-, TD+, VEE from top to bottom.
Described DDM functional circuit comprises numerical diagnostic functional chip and eeprom chip, and wherein, serial data line cap, the serial clock line cap of this numerical diagnostic functional chip and eeprom chip are connected with external-connected port respectively.
Compared with prior art, the utlity model has following beneficial effect:
(1) be skillfully constructed, simple in structure, it is convenient to realize.
(2) utilize newly-increased DDM functional circuit that emission luminous power, received optical power, temperature, voltage, the laser bias current of optical module are monitored, thereby for control centre has determined the occurrence positions of fault in the optical fiber link, for the maintenance of optical module, safeguard great convenience be provided, increased the stability and the reliability of optical module.
(3) detect in real time by the operating state of DDM functional circuit optical module, do not need the staff to use ancillary equipment to build special-purpose detection system, do not need the staff to overhaul to the scene yet, a large amount of manpower and materials have not only been saved, saved maintenance cost, and improved detection efficiency, the practical value of optical module is effectively improved.
Description of drawings
Fig. 1 is a system principle diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail, execution mode of the present utility model includes but not limited to following embodiment.
Embodiment
As shown in Figure 1, a kind of 1 * 9 optical module with the numerical diagnostic function is made up of differential data input driving circuit, laser diode, APC circuit, DDM functional circuit, receiving unit and amplitude limiting amplifier circuit.Wherein, differential data is that the PECL level is imported optical module under the driving of differential data input driving circuit, transfers to laser diode then, and the input of APC circuit is connected with laser diode, and output is connected with the differential data input driving circuit; The APC circuit is mainly used in the emission luminous power is carried out temperature modulation, and laser diode converts differential signal to light signal, and transfers in the detector of receiving unit, is transferred to amplitude limiting amplifier circuit by trans-impedance amplifier again, for the usefulness of amplitude limiting amplifier circuit processing.After amplitude limiting amplifier circuit is finished dealing with, carry out data by external-connected port with outside other circuit and exchange.In the overall optical module, the DDM functional circuit connects differential data input driving circuit, amplitude limiting amplifier circuit and external-connected port respectively.
In above-mentioned external-connected port, definition has following connectivity port: SDA, RD+, RD-, LOS, SCL, VCC, TD-, TD+, VEE altogether, described DDM functional circuit mainly comprises numerical diagnostic functional chip and eeprom chip, wherein, the serial data line cap of numerical diagnostic functional chip and eeprom chip all is connected with SDA port in the external-connected port, and the serial clock line cap of numerical diagnostic functional chip and eeprom chip then is connected with SCL port in the external-connected port.
After differential data input optical module, by the transmission of differential data input driving circuit driving differential signal, after transferring to laser diode, carry out the conversion of differential signal to light signal, simultaneously, the emission luminous power is carried out temperature modulation by the APC circuit; After differential signal converts light signal to, transfer in the detector then, transfer to amplitude limiting amplifier circuit by trans-impedance amplifier and carry out signal processing, afterwards by external-connected port output differential data, and the DDM performance data is also gathered in real time and judge whether normal differential data input and differential data are exported, and by external-connected port to control centre transmission DDM signal, this DDM signal is pointed out the circuit conditions of existing mistake.Specifically, in the course of work of overall optical module, the DDM functional circuit is monitored in real time to emission luminous power, received optical power, temperature, voltage and the laser bias current of optical module, when unusual circumstance, send cue by external-connected port to control centre, for the detection of system, the usefulness that the attendant does detection.
By the DDM functional circuit, can detect the fault occurrence positions of optical module apace, for maintenance is provided convenience, and save a large amount of detection times.
According to the foregoing description, just can realize the utility model well.
Claims (7)
1. 1 * 9 optical module with the numerical diagnostic function, mainly comprise differential data input driving circuit, laser diode, receiving unit and amplifying circuit, wherein, the output of differential data input driving circuit is connected with receiving unit by laser diode, the output of receiving unit then is connected with the input of amplifying circuit, it is characterized in that, between described differential data input driving circuit and amplifying circuit, also be provided with the DDM functional circuit.
2. a kind of 1 * 9 optical module with the numerical diagnostic function according to claim 1 is characterized in that also be provided with the APC circuit, the input of this APC circuit is connected with laser diode, and output is connected with the differential data input driving circuit.
3. a kind of 1 * 9 optical module according to claim 2 with the numerical diagnostic function, it is characterized in that, described receiving unit comprises interconnective detector and trans-impedance amplifier, wherein, the input of detector is connected with the DDM functional circuit, and the output of trans-impedance amplifier then is connected with amplifying circuit.
4. a kind of 1 * 9 optical module with the numerical diagnostic function according to claim 3 is characterized in that described amplifying circuit is an amplitude limiting amplifier circuit.
5. a kind of 1 * 9 optical module with the numerical diagnostic function according to claim 4 is characterized in that, also is provided with external-connected port, and this external-connected port is connected with amplifying circuit with differential data input driving circuit, DDM functional circuit respectively.
6. a kind of 1 * 9 optical module with the numerical diagnostic function according to claim 5 is characterized in that, described external-connected port is single nine kinds of needles electricity mouth.
7. a kind of 1 * 9 optical module according to claim 6 with the numerical diagnostic function, it is characterized in that, described DDM functional circuit comprises numerical diagnostic functional chip and eeprom chip, wherein, the serial data line cap of this numerical diagnostic functional chip and eeprom chip, serial clock line cap are connected with external-connected port respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200230611U CN202004761U (en) | 2011-01-25 | 2011-01-25 | 1*9 optical module with digital diagnosis function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200230611U CN202004761U (en) | 2011-01-25 | 2011-01-25 | 1*9 optical module with digital diagnosis function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004761U true CN202004761U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200230611U Expired - Lifetime CN202004761U (en) | 2011-01-25 | 2011-01-25 | 1*9 optical module with digital diagnosis function |
Country Status (1)
| Country | Link |
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| CN (1) | CN202004761U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103391137A (en) * | 2013-08-22 | 2013-11-13 | 成都新易盛通信技术股份有限公司 | 1*9 low-rate optical module with DDM (data distribution management) function |
| CN103795459A (en) * | 2013-11-22 | 2014-05-14 | 青岛海信宽带多媒体技术有限公司 | Optical module-based fault processing method, device and optical module |
| CN113114366A (en) * | 2021-03-18 | 2021-07-13 | 武汉英飞光创科技有限公司 | Optical module circuit for monitoring real-time power consumption and monitoring method |
-
2011
- 2011-01-25 CN CN2011200230611U patent/CN202004761U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103391137A (en) * | 2013-08-22 | 2013-11-13 | 成都新易盛通信技术股份有限公司 | 1*9 low-rate optical module with DDM (data distribution management) function |
| CN103795459A (en) * | 2013-11-22 | 2014-05-14 | 青岛海信宽带多媒体技术有限公司 | Optical module-based fault processing method, device and optical module |
| CN103795459B (en) * | 2013-11-22 | 2017-02-22 | 广东海信宽带科技有限公司 | Optical module-based fault processing method, device and optical module |
| CN113114366A (en) * | 2021-03-18 | 2021-07-13 | 武汉英飞光创科技有限公司 | Optical module circuit for monitoring real-time power consumption and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 11 Gaopeng Avenue, Chengdu hi tech Development Zone of Sichuan province 610000 Patentee after: Chengdu Neton Optoelectronic Technologies Co., Ltd. Address before: No. 11 Gaopeng Avenue, Chengdu hi tech Development Zone of Sichuan province 610000 Patentee before: Wangdong Photoelectric Technology Co., Ltd., Chengdu City |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: 1*9 optical module with digital diagnosis function Effective date of registration: 20140721 Granted publication date: 20111005 Pledgee: Chengdu high investment financing Company limited by guarantee Pledgor: Chengdu network of optoelectronic technology Limited by Share Ltd|Wang Runquan|Huang Lan Registration number: 2014990000591 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20170405 Granted publication date: 20111005 Pledgee: Chengdu high investment financing Company limited by guarantee Pledgor: Chengdu network of optoelectronic technology Limited by Share Ltd|Wang Runquan|Huang Lan Registration number: 2014990000591 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |