CN201878148U - Photoelectric converter - Google Patents
Photoelectric converter Download PDFInfo
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- CN201878148U CN201878148U CN2010202827660U CN201020282766U CN201878148U CN 201878148 U CN201878148 U CN 201878148U CN 2010202827660 U CN2010202827660 U CN 2010202827660U CN 201020282766 U CN201020282766 U CN 201020282766U CN 201878148 U CN201878148 U CN 201878148U
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Abstract
The utility model discloses a photoelectric converter which comprises a converting unit, an electric port unit and an optical port unit, wherein the converting unit comprises an Ethernet data buffer memory module, an operation and maintenance (OAM) data processing module, an OAM control module, an analysis module and a multiplex module; the OAM data processing module is used for transmitting the content of an OAM management frame to be transmitted to the OAM control module and receiving far-end information transmitted from the OAM control module; the OAM control module is used for encapsulating the content transmitted by the OAM data processing module into a corresponding 802.3ah OAM management frame, transmitting the content to the multiplex module, receiving the 802.3ah OAM management frame analyzed by the analysis module, and de-encapsulating the management frame to transmit the content of the de-encapsulated frame to the OAM data processing module; and the multiplex module is connected with the optical port unit to map the Ethernet data frame and the 802.3ah OAM management frame into a corresponding virtual circuit and transmit the Ethernet data frame and the 802.3ah OAM management frame to the optical port unit by a optical data signal. Due to the structure, the photoelectric converter is good in compatibility and convenient to maintain.
Description
Technical field
The utility model belongs to the optical communication technique field, is meant a kind of photoelectric conversion device especially.
Background technology
Optical fiber communication is more much smaller than using the electric wire transmission because of its conduction loss, and transport information capacity is big, therefore be widely used in remote message transmission, because data are to transmit with the form of light signal in optical fiber, therefore when the transmission or the information of reception, all need to use optical-electrical converter, signal is carried out light/electricity conversion or electricity/light conversion, satisfy different needs.
OAM (the OperationAdministration and Maintenance) management agreement that optical-electrical converter in the market adopts mainly is the self-defining agreement of TS-1000 or each producer, operator wishes all that always each equipment supplier's product can mutual communication, and preferably can manage mutually, to realize final united net management.At present can mutual communication on each equipment supplier's the product business, but the remote side administration agreement is all inconsistent, so still can't manage mutually.
If will realize mutual management, just need a unified OAM management agreement, and the TS-1000 standard is formulated by Japan electric core technical committee, the short frame that it has defined a 12byte is used for OAM(Operation Administration Maintenance), and the management information of being carried is limited.And the definition of the OAM management agreement of IEEE 802.3ah is the most comprehensive, can carry the net load of 1496byte at most, can support more to administer and maintain information, this applicability of standard is wide, extensibility is stronger, will become the mainstream standard of point-to-point optical Ethernet, 802.3ah also will become the OAM management agreement that can satisfy operator's demand simultaneously.
In addition, when carrying out remote optical fiber communication, the situation of remote equipment appears being connected to sometimes, and the reason that can't connect has multiple, modal is the remote equipment power failure, can't move, or the Transmission Fibers link failure, present processing mode is exactly that two kinds of reasons all will be investigated, to confirm true cause, will prolong the time of maintenance like this, have no specific aim, reduce maintenance efficiency.
The utility model content
Main purpose of the present utility model is to provide a kind of optical-electrical converter, and its compatibility is good, and is easy to maintenance.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of optical-electrical converter comprises converting unit, electric mouthful unit and Guang Kou unit, and an electricity mouthful unit is connected with converting unit, the transmitting-receiving of the Ethernet data of realization and converting unit; The Guang Kou unit is connected with converting unit, the transmitting-receiving of the light data-signal of realization and converting unit; Described converting unit comprises Ethernet data cache module, OAM data processing module, OAM control module, parsing module and Multiplexing module;
The Ethernet data cache module is connected with an electricity mouthful unit, the ethernet data frame that buffer memory electricity mouthful unit sends, and send Multiplexing module to, and it also is connected with parsing module, the ethernet data frame that the buffer memory parsing module parses, and send electricity mouthful unit to;
The OAM data processing module is connected with the OAM control module, and the content of the OAM management frames that needs are sent sends the OAM control module to, and receives the far-end information that the OAM control module sends;
The OAM control module is connected with Multiplexing module, the content that the OAM data processing module is sent is packaged into corresponding 802.3ah OAM management frames, send Multiplexing module to, and receive the 802.3ah OAM management frames that parsing module parses, after the decapsulation content frame sent to the OAM data processing module;
Multiplexing module is connected with the Guang Kou unit, and ethernet data frame and 802.3ah OAM management frames are mapped in the corresponding virtual circuit, is sent to the Guang Kou unit with the light data-signal;
Parsing module connects Ethernet data cache module and OAM control module respectively, to parse ethernet data frame and 802.3ah OAM management frames from the light data-signal of Guang Kou unit, and send ethernet data frame to the Ethernet data cache module, send 802.3ah OAM management frames to the OAM control module.
Above-mentioned OAM data processing module comprises OAM command module, local information cache module, far-end information cache module, division module, step-down module and comparator module;
The OAM command module sends the content in the Code zone of 802.3ah OAM management frames according to local information, far-end information and power-off signal indication needs, and when power down, the far-end power fail warning is mapped in the Dying Gasp zone of 802.3ah OAM management frames, and send into the OAM control module;
Local information cache module buffer memory local information, and, shine upon the Data zone of corresponding contents to 802.3ah OAM management frames according to the order that the OAM command module is indicated, send into the OAM control module again;
Far-end information cache module buffer memory is from the Code zone and the Data area contents of the 802.3ah OAM management frames of OAM control module;
Division module is connected with the motherboard power supply module, and supply voltage is divided into first voltage, sends comparator module to;
The step-down module is connected with the motherboard power supply module, and supply voltage is depressured to reference voltage, sends comparator module to;
Comparator module compares the value of first voltage and reference voltage, judges whether to occur power-off signal, and the result is sent to the OAM command module.
Above-mentioned OAM control module comprises OAM frame package module, OAM frame sending module, OAM frame receiver module and OAM frame decapsulation module;
OAM frame package module is connected with the OAM command module of OAM data processing module, and the content according to the indication of OAM command module is packaged into corresponding 802.3ah OAM management frames with the corresponding information in the local information cache module;
OAM frame sending module is connected with OAM frame package module, and the 802.3ahOAM management frames that it is packaged sends to Multiplexing module;
OAM frame receiver module is connected with parsing module, receives the 802.3ah OAM management frames that it parses, and sends into OAM frame decapsulation module;
After the 802.3ah OAM management frames decapsulation that OAM frame decapsulation module receives OAM frame receiver module, send the far-end information cache module to.
After adopting such scheme, the utlity model has following characteristics:
(1) the OAM management agreement of use IEEE 802.3ah is compatible excellent, easy to maintenance;
(2) Dying Gasp zone is set in 802.3ah OAM management frames, be used to characterize the far-end power fail warning, in a single day in the data that receive, receive Dying Gasp information like this, can judge remote equipment power down, thereby allowing local side apparatus can distinguish the reason that can't communicate by letter, is optical fiber link fault or power failure, keeps in repair targetedly, reduce maintenance cost, shorten maintenance time.
Description of drawings
Fig. 1 is an integrated stand composition of the present utility model;
Fig. 2 is the inner bay composition of OAM data processing module and OAM control module in the utility model.
Embodiment
Below with reference to drawings and the specific embodiments, structure of the present utility model and operation principle are elaborated.
At first with reference to shown in Figure 1, the utility model provides a kind of optical-electrical converter, comprise electricity mouthful unit 1, Guang Kou unit 2 and converting unit 3, wherein an electricity mouthful unit 1 is connected with converting unit 3, the Ethernet data that the local side apparatus desire sends is sent into converting unit 3, or will deliver to local side apparatus by the Ethernet data that converting unit 3 receives; Guang Kou unit 2 is connected with converting unit 3, and remote equipment is sent into converting unit 3 by the light data-signal that optical fiber transmits, or the light data-signal that the local side apparatus desire that converting unit 3 is sent sends is sent into optical fiber; Aforementioned basic structure for existing optical-electrical converter does not repeat them here, and improvement of the present utility model is the structure of converting unit 3, will introduce in detail below.
Converting unit 3 comprises Ethernet data cache module 31, OAM data processing module 32, OAM control module 33, parsing module 35 and Multiplexing module 34.
One end of Ethernet data cache module 31 and electricity mouthful 1 two-way connection of unit are used to cushion the ethernet data frame that sends via electricity mouthful unit 1, send this Frame to Multiplexing module 34; Ethernet data cache module 31 also is connected with parsing module 35, and the ethernet data frame that buffer memory is parsed by parsing module 35 sends electricity mouthful unit 1 again to.
OAM data processing module 32 is connected with OAM control module 33, and the content of the OAM management frames that needs are sent sends OAM control module 33 to, receives the far-end information that OAM control module 33 sends simultaneously.
Cooperate shown in Figure 2ly, described OAM data processing module 32 comprises OAM command module 321, local information cache module 322, far-end information cache module 323, division module 324, step-down module 325 and comparator module 326.
Wherein, OAM command module 321 sends the content in the Code zone of 802.3ah OAM management frames according to local information, far-end information and power-off signal indication needs, and when power down, the far-end power fail warning is mapped in the Dying Gasp zone of 802.3ah OAM management frames, and send into the OAM frame package module 331 (will introduce in the back) of OAM control module 33.
Local information cache module 322 is used for the buffer memory local information, and according to the order of OAM command module 321 indication, the mapping corresponding contents is sent into the OAM frame package module 331 (will introduce in the back) of OAM control module 33 again to the Data zone of 802.3ah OAM management frames.
Far-end information cache module 323 buffer memorys are from the Code zone and the Data area contents of the received 802.3ah OAM management frames of OAM frame decapsulation module 334 (will introduce in the back) in the OAM control module 33.
Step-down module 325 is connected with motherboard power supply module 4, with motherboard power supply voltage step-down to a fixed value as reference voltage B, sends comparator module 326 by the step-down chip to
Please get back to Fig. 1 again, OAM control module 33 is connected with Multiplexing module 34, the content that OAM command module 321 in the OAM data processing module 32 and local information cache module 322 are sent is packaged into corresponding 802.3ah OAM management frames, send Multiplexing module 34 to, and receive the 802.3ah OAM management frames that parsing module 35 parses, after the decapsulation content frame is sent to the far-end information cache module 323 of OAM data processing module 32.
In conjunction with Fig. 2, described OAM control module 33 comprises OAM frame package module 331, OAM frame sending module 332, OAM frame receiver module 333 and OAM frame decapsulation module 334.
OAM frame package module 331 is connected with OAM command module 321, the local information cache module 322 of OAM data processing module 32 respectively, content according to 321 indications of OAM command module, corresponding information in the local information cache module 322 is packaged into corresponding 802.3ahOAM management frames, and sends into OAM frame sending module 332.
OAM frame sending module 332 is connected with OAM frame package module 331, and the 802.3ah OAM management frames that it is packaged sends to Multiplexing module 34.
OAM frame receiver module 333 is connected with parsing module 35, receives the 802.3ah OAM management frames that it parses, and sends into OAM frame decapsulation module 334.
After the 802.3ahOAM management frames decapsulation that OAM frame decapsulation module 334 receives OAM frame receiver module 333, send the far-end information cache module 323 in the OAM data processing module 32 to.
Comprehensively above-mentioned, the utility model adopts 802.3ah OAM management agreement, realizes the transmission of local side optical-electrical converter and far-end optical-electrical converter business and management information, and is compatible good, the cost performance height.
In addition, the OAM management protocol information amount of IEEE 802.3ah is big, can carry more management information, so just power down information can be write in the management frames, be sent to remote equipment, specifically in application, in the moment of motherboard power supply module 4 power down, along with the decline gradually of motherboard power supply voltage, the first voltage A of division module 324 outputs is less than the reference voltage B of step-down module 325 outputs, and comparator module 326 will produce the power fail warning signal; After OAM command module 321 receives the power fail warning signal, stop the transmission of other 802.3ah OAM management frames immediately, and indication OAM control module 33 is mapped to the far-end power fail warning in the Dying Gasp zone of 802.3ah OAM management frames, and be packaged into 802.3ah OAM management frames, at this moment Multiplexing module 34 also no longer receives ethernet data frame, but immediately this 802.3ah OAM management frames is sent to local side apparatus by Guang Kou unit 2.Thereby guarantee that the OAM management frames that has the remote equipment power fail warning can send before the complete power down of equipment; And after the far-end information cache module 323 in the local side apparatus receives Dying Gasp information, the power down of indicating remote equipment is optical fiber link fault or power failure thereby can distinguish remote equipment, makes that maintenance is pointed, shorten maintenance time, reduce maintenance cost.
Above embodiment only is explanation technological thought of the present utility model; can not limit protection range of the present utility model with this; every according to the technological thought that the utility model proposes, any change of being done on the technical scheme basis all falls within the utility model protection range.
Claims (3)
1. an optical-electrical converter comprises converting unit, electric mouthful unit and Guang Kou unit, and an electricity mouthful unit is connected with converting unit, the transmitting-receiving of the Ethernet data of realization and converting unit; The Guang Kou unit is connected with converting unit, the transmitting-receiving of the light data-signal of realization and converting unit; It is characterized in that: described converting unit comprises Ethernet data cache module, OAM data processing module, OAM control module, parsing module and Multiplexing module;
The Ethernet data cache module is connected with an electricity mouthful unit, the ethernet data frame that buffer memory electricity mouthful unit sends, and send Multiplexing module to, and it also is connected with parsing module, the ethernet data frame that the buffer memory parsing module parses, and send electricity mouthful unit to;
The OAM data processing module is connected with the OAM control module, and the content of the OAM management frames that needs are sent sends the OAM control module to, and receives the far-end information that the OAM control module sends;
The OAM control module is connected with Multiplexing module, the content that the OAM data processing module is sent is packaged into corresponding 802.3ah OAM management frames, send Multiplexing module to, and receive the 802.3ah OAM management frames that parsing module parses, after the decapsulation content frame sent to the OAM data processing module;
Multiplexing module is connected with the Guang Kou unit, and ethernet data frame and 802.3ah OAM management frames are mapped in the corresponding virtual circuit, is sent to the Guang Kou unit with the light data-signal;
Parsing module connects Ethernet data cache module and OAM control module respectively, to parse ethernet data frame and 802.3ah OAM management frames from the light data-signal of Guang Kou unit, and send ethernet data frame to the Ethernet data cache module, send 802.3ah OAM management frames to the OAM control module.
2. a kind of optical-electrical converter as claimed in claim 1 is characterized in that: described OAM data processing module comprises OAM command module, local information cache module, far-end information cache module, division module, step-down module and comparator module;
The OAM command module sends the content in the Code zone of 802.3ah OAM management frames according to local information, far-end information and power-off signal indication needs, and when power down, the far-end power fail warning is mapped in the Dying Gasp zone of 802.3ah OAM management frames, and send into the OAM control module;
Local information cache module buffer memory local information, and, shine upon the Data zone of corresponding contents to 802.3ah OAM management frames according to the order that the OAM command module is indicated, send into the OAM control module again;
Far-end information cache module buffer memory is from the Code zone and the Data area contents of the 802.3ah OAM management frames of OAM control module;
Division module is connected with the motherboard power supply module, and supply voltage is divided into first voltage, sends comparator module to;
The step-down module is connected with the motherboard power supply module, and supply voltage is depressured to reference voltage, sends comparator module to;
Comparator module compares the value of first voltage and reference voltage, judges whether to occur power-off signal, and the result is sent to the OAM command module.
3. a kind of optical-electrical converter as claimed in claim 1 is characterized in that: described OAM control module comprises OAM frame package module, OAM frame sending module, OAM frame receiver module and OAM frame decapsulation module;
OAM frame package module is connected with the OAM command module of OAM data processing module, and the content according to the indication of OAM command module is packaged into corresponding 802.3ah OAM management frames with the corresponding information in the local information cache module;
OAM frame sending module is connected with OAM frame package module, and the 802.3ahOAM management frames that it is packaged sends to Multiplexing module;
OAM frame receiver module is connected with parsing module, receives the 802.3ah OAM management frames that it parses, and sends into OAM frame decapsulation module;
After the 802.3ah OAM management frames decapsulation that OAM frame decapsulation module receives OAM frame receiver module, send the far-end information cache module to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202827660U CN201878148U (en) | 2010-08-01 | 2010-08-01 | Photoelectric converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202827660U CN201878148U (en) | 2010-08-01 | 2010-08-01 | Photoelectric converter |
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| CN201878148U true CN201878148U (en) | 2011-06-22 |
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| CN2010202827660U Expired - Fee Related CN201878148U (en) | 2010-08-01 | 2010-08-01 | Photoelectric converter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895349A (en) * | 2010-07-26 | 2010-11-24 | 厦门福信光电集成有限公司 | Photoelectric converter based on 802.3ah management protocol and transmitting and receiving method of optical data signals |
| WO2017066996A1 (en) * | 2015-10-23 | 2017-04-27 | 华为技术有限公司 | Operation administration and maintenance overhead configuration method, device, and system |
| CN107133429A (en) * | 2017-06-09 | 2017-09-05 | 郑州云海信息技术有限公司 | A kind of onboard network transmission system and its design method |
-
2010
- 2010-08-01 CN CN2010202827660U patent/CN201878148U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895349A (en) * | 2010-07-26 | 2010-11-24 | 厦门福信光电集成有限公司 | Photoelectric converter based on 802.3ah management protocol and transmitting and receiving method of optical data signals |
| CN101895349B (en) * | 2010-07-26 | 2013-03-27 | 厦门福信光电集成有限公司 | Photoelectric converter based on 802.3ah management protocol and transmitting and receiving method of optical data signals |
| WO2017066996A1 (en) * | 2015-10-23 | 2017-04-27 | 华为技术有限公司 | Operation administration and maintenance overhead configuration method, device, and system |
| CN107210974A (en) * | 2015-10-23 | 2017-09-26 | 华为技术有限公司 | A kind of methods, devices and systems of operation management maintainance expense configuration |
| CN107133429A (en) * | 2017-06-09 | 2017-09-05 | 郑州云海信息技术有限公司 | A kind of onboard network transmission system and its design method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20130801 |