CN2664296Y - Monitoring circuit for optical transmitting-receiving integrated module - Google Patents
Monitoring circuit for optical transmitting-receiving integrated module Download PDFInfo
- Publication number
- CN2664296Y CN2664296Y CNU2003201213445U CN200320121344U CN2664296Y CN 2664296 Y CN2664296 Y CN 2664296Y CN U2003201213445 U CNU2003201213445 U CN U2003201213445U CN 200320121344 U CN200320121344 U CN 200320121344U CN 2664296 Y CN2664296 Y CN 2664296Y
- Authority
- CN
- China
- Prior art keywords
- integrated module
- pin
- optical transceiver
- circuit
- resistance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Logic Circuits (AREA)
Abstract
The utility model relates to a monitoring circuit for optical transmitting-receiving integrated module, which provides novel circuit structure according with MSA-SFP and SFF-8472 technical standards, wherein, the monitoring circuit mainly comprises a power supply and an interface control circuit. Conversion between computer application system control electrical level and MCU singlechip control electrical level is realized through the interface control circuit, and integrated module circuit is controlled through standard I2C bus, thereby reaching the goal of stable communication rate, light power output to module, amplitude modulation correction, online programming and software upgrade.
Description
Technical field
The utility model relates to a kind of novel supervisory circuit, specifically is applied to the integrated module of optical transceiver supervisory control system circuit design that meets MSA-SFP and SFF-8472 technical standard of optical communication field.
Background technology
The supervisory control system that at present existing optical transceiver module is adopted generally only disposes and carries out the function design that simple information writes and reads.Described existing optoelectronic transceiver integrity monitoring system, its execution speed is lower, operational efficiency is low, and hardware does not have debugging interface, thereby difficult when carrying out the program upgrade debugging, easily the supervisory control system main body is produced signal yet and disturbs.
For the improvement of existing integrated module of optical transceiver supervisory control system, except that the problem that needs the solution function singleness, also need take into account the whole cost of design circuit.
Summary of the invention
Integrated module of optical transceiver supervisory circuit described in the utility model is intended to address the above problem and is not enough, and provide the novel supervisory circuit that meets MSA-SFP and SFF-8472 technical standard design, with reach traffic rate stable, can and realize the goal of the invention of online programming and software upgrading to module Output optical power and amplitude modulation correction.
Integrated module of optical transceiver supervisory circuit described in the utility model, main design content is at independent current source and hardware interface control section.By described interface control circuit, realize the conversion of computer application system control level and MCU Single-chip Controlling level, by standard I 2C bus the integrated module circuit is controlled.
Wherein, power unit adopts Anti-interference Design, disturbs and eliminates abnormal conditions with effective elimination power supply, and the power supply of required stable, the state no interference signal of system is provided.
The interface control section then mainly adopts MAX3223 interface chip and PIC16F873 kernel processor chip, to finish with communication interface and to the monitoring of light transmission circuit module.
As mentioned above, integrated module of optical transceiver supervisory circuit described in the utility model has the following advantages and beneficial effect:
1, uses supervisory circuit design described in the utility model, can carry out manufacturer's Vendor information to the integrated module of optical transceiver product that meets MSA-SFP and SFF-8472 technical standard fast and efficiently and write, in real time feedback module work at present state.
2, be adapted to the module digital regulation resistance, can revise module Output optical power and modulation amplitude easily, improve the product development progress greatly.
3, system can programme by real-time online, carries out the upgrading debugging of software at any time easily.
4, adopt Anti-interference Design, the accuracy of the monitoring of energy guarantee information, control.
5, whole cost is with respect to former optical transceiver module supervisory circuit cost performance height.
Description of drawings
Fig. 1 is the anti-jamming power-supply circuit diagram of supervisory circuit described in the utility model;
Fig. 2 is the interface control circuit schematic diagram of described supervisory circuit.
As Fig. 1-shown in Figure 2, integrated module of optical transceiver supervisory circuit described in the utility model mainly includes anti-jamming power-supply circuit and interface control circuit.Wherein,
Described anti-jamming power-supply circuit mainly is connected in series three pressurizer IC3, IC2 and IC5, and is external to realize+the 12V supply voltage, carries out power supply interface control circuit+3.3V after the voltage stabilizing.Wherein, the model of IC3 three terminal regulator is LM7812, and the model of IC2 three terminal regulator is KA7805, and the model of IC5 voltage stabilizing chip is MAX604.
As shown in Figure 2, described interface control circuit mainly adopts a single-chip microcomputer IC4 and a level conversion unit IC1.Described IC4 selects 8 single-chip microcomputers of microchip company for use, and model is PIC16F873.
Data-signal end pin SDA, the control signal end pin SCL of described PIC16F873 single-chip microcomputer connect standard I 2C bus communication interface respectively, and PIC16F873 reads and writes and policer operation the described integrated module of optical transceiver by pin SDA, SCL;
Pin RB6, RB7 and the MCLR of described PIC16F873 single-chip microcomputer are connected to line detail programming interface T1, the PIC16F873 single-chip microcomputer are debugged and are programmed realizing;
The pin MCLR of described PIC16F873 single-chip microcomputer connects voltage stabilizing didoe ZD1 negative pole, and the operating voltage of the resistance R 4 connection+3.3V by resistance 2.2K ohm;
The pin MCLR of described PIC16F873 single-chip microcomputer, the resistance R 6 by 220 ohm of resistances connects the collector electrode of triode Q1;
The pin OSC1 and the OSC2 of described PIC16F873 single-chip microcomputer are required clock interface and external crystal oscillator, to realize producing required clock signal;
The pin TX of described PIC16F873 single-chip microcomputer and RX are hardware UART mouth, connect level conversion unit IC1, receive and send the I/O order to realize the PIC16F873 single-chip microcomputer.
As shown in Figure 2, level conversion unit IC1 is used to realize the mutual conversion of serial communication interface RS232 level and PIC16F873 single-chip microcomputer CMOS level, and its model is MAX3223.
The pin DRV of described MAX3223 chip, the resistance R 5 by resistance 1K ohm connects the base stage of triode Q1;
Described pin DRV, its effect is the reset mode that is used to control the PIC16F873 single-chip microcomputer, specifically: when described supervisory control system detects application system and is in idle condition, pin DRV exports a high level, triode Q1 is switched on, then the pin MCLR level of PIC16F873 single-chip microcomputer is dragged down, so the PIC16F873 single-chip microcomputer is in reset mode;
When application system was in running order, pin DRV exported a low level, and triode Q1 is cut off, and then the pin MCLR of PIC16F873 single-chip microcomputer is in normal high level state, so the PIC16F873 single-chip microcomputer is in normal operating conditions.
Pin DTRDBS, TXDB9 and the RXDB9 of described MAX3223 connect serial communication interface RS232, can realize receiving the control signal that application system is sent;
Pin TX, the RX of described MAX3223 connect the PIC16F873 single-chip microcomputer respectively, to realize input, the output of conversion PIC16F873 single-chip microcomputer CMOS level and control signal.
Claims (6)
1, a kind of integrated module of optical transceiver supervisory circuit, it is characterized in that: described supervisory circuit mainly includes anti-jamming power-supply circuit and interface control circuit.
2, integrated module of optical transceiver supervisory circuit according to claim 1 is characterized in that: described anti-jamming power-supply circuit mainly is connected in series three pressurizers and exports to interface control circuit+3.3V operating voltage.
3, integrated module of optical transceiver supervisory circuit according to claim 2, it is characterized in that: the model of described pressurizer is selected LM7812, KA7805 and MAX604 respectively for use.
4, according to claim 1 or 3 described integrated module of optical transceiver supervisory circuits, it is characterized in that: described interface control circuit mainly comprises a single-chip microcomputer and a level conversion unit; The model of described 8 single-chip microcomputers is PIC16F873.
5, integrated module of optical transceiver supervisory circuit according to claim 4 is characterized in that: data-signal end pin (SDA), the control signal end pin (SCL) of described PIC16F873 single-chip microcomputer connect standard I 2C bus communication interface respectively;
Pin (MCLR) connects negative pole, and the operating voltage of resistance (R4) connection+3.3V by resistance 2.2K ohm of voltage stabilizing didoe (ZD1); And pin (MCLR) connects the collector electrode of triode Q1 by the resistance (R6) of 220 ohm of resistances;
Pin (TX), (RX) connect level conversion unit (IC1).
6, integrated module of optical transceiver supervisory circuit according to claim 5 is characterized in that: the model of level conversion unit (IC1) is MAX3223;
The pin of described MAX3223 chip (DRV), the resistance (R5) by resistance 1K ohm connects the base stage of triode Q1;
Pin (DTRDBS), (TXDB9) are connected serial communication interface RS232 with (RXDB9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201213445U CN2664296Y (en) | 2003-12-15 | 2003-12-15 | Monitoring circuit for optical transmitting-receiving integrated module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201213445U CN2664296Y (en) | 2003-12-15 | 2003-12-15 | Monitoring circuit for optical transmitting-receiving integrated module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2664296Y true CN2664296Y (en) | 2004-12-15 |
Family
ID=34348331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201213445U Expired - Lifetime CN2664296Y (en) | 2003-12-15 | 2003-12-15 | Monitoring circuit for optical transmitting-receiving integrated module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2664296Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145517A1 (en) * | 2009-09-29 | 2010-12-23 | 中兴通讯股份有限公司 | Optical power detection device and operating method thereof |
-
2003
- 2003-12-15 CN CNU2003201213445U patent/CN2664296Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010145517A1 (en) * | 2009-09-29 | 2010-12-23 | 中兴通讯股份有限公司 | Optical power detection device and operating method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201550318U (en) | Digitized high-performance LED drive power supply | |
| CN202796079U (en) | Portable program burner | |
| CN201053987Y (en) | Small dimension network electric instrument | |
| CN1897594A (en) | USB-CAN bus adapter based on microcontroller | |
| CN2664296Y (en) | Monitoring circuit for optical transmitting-receiving integrated module | |
| CN104901407B (en) | A kind of electric power management circuit of commercial car diagnosing protocol adapter | |
| CN102073313A (en) | Remote management measurement and control system of solar photovoltaic power stations | |
| CN105404209A (en) | System and method for controlling backlight brightness of display screen through USB transmission | |
| CN206884766U (en) | A kind of cell management system of electric automobile based on ARM9 | |
| CN205405786U (en) | Intelligence fire monitoring early warning control system | |
| CN211123972U (en) | Energy efficiency communication and energy-saving control terminal based on 4G and carrier wave | |
| CN102156527B (en) | Power adapter and portable computer | |
| CN2659054Y (en) | Data conversion and charging device of mobile phone | |
| CN2886657Y (en) | Data acquisition card based on USB2.0 | |
| CN2638142Y (en) | Portable CAN bus analysis recorder based on USB interface | |
| CN202795336U (en) | System achieving talk back equipment procedure upgrade based on single chip | |
| CN109459945B (en) | Novel multichannel off-line programmable control driver and programming method | |
| CN208589253U (en) | A kind of DHMI and touch two-in-one display driving plate | |
| CN2580515Y (en) | Liquid crystal control panel programmable (LCD card) of license plate identification system | |
| CN201039070Y (en) | Built-in excitation control device | |
| CN206249551U (en) | A kind of acquisition terminal in distribution box | |
| CN205451778U (en) | Two port RAM test equipment's processing plate structure | |
| CN1670691A (en) | System and method for regulating CPU frequency | |
| CN110275854A (en) | A kind of high frequency 100W power amplifier host man-machine interface system and its control method | |
| CN219960873U (en) | LED control module based on CAN communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA AVIATION HISENSE OPTICAL-ELECTRICAL TECHNOLO Free format text: FORMER OWNER: HISENSE BROADBAND MULTIMEDIA TECHNOLOGY Effective date: 20120725 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: HISENSE BROADBAND MULTIMEDIA TECHNOLOGY Free format text: FORMER NAME: HAISENSE PHOTOELECTRIC SCIENCE AND TECHNOLOGY CO., LTD., QINGDAO |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266071 QINGDAO, SHANDONG PROVINCE TO: 266061 QINGDAO, SHANDONG PROVINCE |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 266071 No. 11, Jiangxi Road, Qingdao, Shandong Patentee after: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES Co.,Ltd. Address before: 266071 No. 11, Jiangxi Road, Qingdao, Shandong Patentee before: Hisense Optoelectronics Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120725 Address after: 266061, Laoshan District, Shandong, Qingdao Province North residential community branch north house Subdistrict Office Patentee after: HISENSE & JONHON OPTICAL-ELECTRICAL TECHNOLOGIES Co.,Ltd. Address before: 266071 No. 11, Jiangxi Road, Qingdao, Shandong Patentee before: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES Co.,Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20131215 Granted publication date: 20041215 |