CN2826844Y - Photoelectric transceiver of information transmission system - Google Patents
Photoelectric transceiver of information transmission system Download PDFInfo
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- CN2826844Y CN2826844Y CNU2005200738676U CN200520073867U CN2826844Y CN 2826844 Y CN2826844 Y CN 2826844Y CN U2005200738676 U CNU2005200738676 U CN U2005200738676U CN 200520073867 U CN200520073867 U CN 200520073867U CN 2826844 Y CN2826844 Y CN 2826844Y
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Abstract
The utility model relates to a photoelectric transceiver of information transmission systems, which relates to a network device, particularly the subscriber terminal equipment of an optical network. The utility model comprises an optical signal interface circuit of optical signals suitable for plastic fiber transmission, an interface circuit RJ45 of electrical signals suitable for twisted pair line transmission and a photoelectric converter which can cause a 100Base-TX signal to be converted to a 100Base-FX signal. Both ends of the photoelectric converter are respectively connected with the interface circuit of optical signals and the interface circuit RJ45. The utility model can cause a 1550 nm silicon fiber signal, a 1310 nm silicon fiber signal and an 850 nm silicon fiber signal in the prior art to be respectively converted to a 650 nm plastic fiber signal into an all-optical network 650 nm information transmission system, can carry out conversion between optical signals suitable for plastic fiber transmission and electrical signals suitable for twisted pair line transmission, and achieves all-optical network transmission.
Description
Technical field
The utility model relates to a kind of network equipment, especially a kind of subscriber terminal equipment of optical-fiber network, " last kilometer " subscriber terminal equipment that just is commonly called as usually.
Background technology
The silica fiber network information on the existing backbone must be through light/electricity, electricity/light conversion when access user terminal, and this changing turns over journey and not only influence transmission speed, and causes signal attenuation, information distortion, is subject to external interference, and the information that also is prone to is stolen.
In order to change the above-mentioned defective in the existing information transmission, a kind of all-optical network just under study for action, all-optical network becomes the first-selection of (ultrahigh speed) broadband network at a high speed of future generation with its good transparency, wavelength routing characteristic, compatibility and extensibility.
The utility model content
To be exactly that design is a kind of convert the information transmission system optoelectronic transceivers of changing between the signal of telecommunication of the light signal that can will be fit to the plastic fiber transmission in all optical network 650nm information transmission system of 650nm plastic fiber signal and the transmission of suitable twisted-pair feeder respectively at existing 1550nm, 1310nm, 850nm silica fiber signal to the utility model purpose.
The utility model comprises the optical signal interface circuit of the light signal that is fit to the plastic fiber transmission and the RJ45 interface circuit of the signal of telecommunication that suitable twisted-pair feeder transmits, and the optical-electrical converter that 100Base-TX and 100Base-FX signal are changed, the two ends of described optical-electrical converter connect optical signal interface circuit and RJ45 interface circuit respectively.
The utility model is supported IEEE 802.3, IEEE 802.3U, IEEE 802.3X, IEEE 802.1d protocol suite.Between converting the signal of telecommunication of the light signal that can will be fit to the plastic fiber transmission in all optical network 650nm information transmission system of 650nm plastic fiber signal and the transmission of suitable twisted-pair feeder respectively to, existing 1550nm, 1310nm, 850nm silica fiber signal change, for the realization of all-optical network provides possible condition.
The utility model optoelectronic transceivers is mainly by the power circuit, the media conversion control chip DM9331 that supply with whole system, form for media conversion control chip DM9331 provides the crystal oscillating circuit in clock source, the network transforming circuit that carries out voltage transformation and Signal Spacing, RJ45 interface circuit, optical module interface circuit and match circuit; Described power circuit respectively with media conversion control chip DM9331, crystal oscillating circuit, network transforming circuit, RJ45 interface circuit, optical module interface circuit and match circuit, crystal oscillating circuit, RJ45 interface circuit, optical module interface circuit are connected with media conversion control chip DM9331 respectively.
Media conversion control chip DM9331 is the medium converter of a physical layer, monolithic, low-power consumption, full duplex function, and this chip has the little encapsulation of 48 pin LQFP, is convenient to welding.In TX medium one side, it provides a 100BASE-TX fastethernet interface that directly connects category 5 twisted pair.And in FX one side, it provides the direct interface with PECL (Pseudo Emitter Coupled Logic) level, meets the IEEE802.3u agreement.By media conversion interface (MCI), DM9331 can link to each other with another DM9331, can finish the conversion of optical interface and electrical interface.DM9331 single-chip Fast Ethernet transceiver can provide the described function with IEEE802.3u, inner integrated 100Base-TX/FX transceiver, MCI interface, MII serial management interface and auto-negotiation functionality.
Optical signal interface circuit of the present utility model is made up of with the optical interface circuit that is connected with chip N2, optical module power supply circuits, optical module direction transducer, the conversion of half full duplex and indicating circuit media conversion control chip DM9331 N2, and the optical interface circuit is made up of connector T ODX2402 and resistance.
Also be provided with indicator light circuit on the optical signal interface circuit.
RJ45 interface circuit of the present utility model by media conversion control chip DM9331 N3 and the TP interface circuit that is connected with chip N3, crystal oscillating circuit, automatically, full duplex selects circuit, transforming circuit to form.
Above-mentioned power circuit by the 220V AC power change into+the 5V DC power supply circuit and+the 5V DC power supply changes into+the 3.3V DC power supply circuit, and 2.2 μ H inductance and filter capacitors are set respectively between the ground of power supply.
Above-mentioned power circuit is provided with the indicating circuit of indication power work.
Description of drawings
Fig. 1 is the governor circuit figure of RJ45 interface circuit; Fig. 2 is the crystal oscillating circuit figure of RJ45 interface circuit; Fig. 3 is the TP interface circuit figure of RJ45 interface circuit; Fig. 4 is the 220V alternating voltage commentaries on classics+5V dc voltage circuit figure of RJ45 interface circuit; Fig. 5 is RJ45 interface circuit+5V direct voltage commentaries on classics+3.3V dc voltage circuit figure; Fig. 6 is the indicator light circuit figure of RJ45 interface circuit; Fig. 7 is that automatic, the full duplex of RJ45 interface circuit selected and indicating circuit figure; Fig. 8 is the governor circuit figure of optical signal interface circuit; Fig. 9 is the indicator light circuit figure of optical signal interface circuit; Figure 10 is the optical module power supply circuit of optical signal interface circuit; Figure 11 is the conversion of half full duplex and the indicating circuit figure of optical signal interface circuit; Figure 12 is the optical interface circuit diagram of optical signal interface circuit.
Specific embodiment
Shown in Fig. 1 to 7, the RJ45 interface by media conversion control chip DM9331A N3 and the TP interface circuit that is connected with N3, crystal oscillating circuit, automatically, full duplex selects indicating circuit, transforming circuit to form.
Transforming circuit by the 220V AC power change into+the 5V DC power supply circuit and+the 5V DC power supply changes into+the 3.3V DC power supply circuit forms, and 2.2 μ H inductance and filter capacitors are set respectively between the ground of power supply.
Indicator light circuit is composed in series by resistance and LED.
Shown in Fig. 8 to 12, the optical signal interface circuit is made up of with the optical interface circuit that is connected with N2, optical module power supply circuits, optical module direction transducer, the conversion of half full duplex and indicating circuit media conversion control chip DM9331N2, and the optical interface circuit is made up of connector T ODX2402 and resistance.
Also be provided with indicator light circuit on the optical signal interface circuit.
The pin 43 of the media conversion control chip N2 of optical signal interface circuit is connected the crystal oscillator power output end of 50MHz.
The pin 17 of chip N2 is connected with the pin 14 of chip N3, the pin 19 of chip N2 is connected with the pin 28 of chip N3, the pin 20 of chip N2 is connected with the pin 29 of chip N3, the pin 21 of chip N2 is connected with the pin 37 of chip N3, the pin 24 of chip N2 is connected with the pin 24 of chip N3, the pin 25 of chip N2 is connected with the pin 25 of chip N3, the pin 26 of chip N2 is connected with the pin 17 of chip N3, the pin 28 of chip N2 is connected with the pin 19 of chip N3, the pin 29 of chip N2 is connected with the pin 20 of chip N3, the pin 37 of chip N2 is connected with the pin 21 of chip N3, and the pin 40 of chip N2 is connected with the pin 40 of chip N3.
The RXDV end of the TXEN of media conversion control chip DM9301A end and another media conversion control chip DM9301A intersects the TXD end of RXD end and another media conversion control chip DM9301A of mutual connection, a media conversion control chip DM9301A and intersects mutual connection, and the FXRD of two media conversion control chip DM9301A holds, FXTD holds difference external.The OSCIN end of two media conversion control chip DM9301A all is connected the crystal oscillator power output end of 50MHz.
Claims (8)
1, the optoelectronic transceivers of the information transmission system, it is characterized in that comprising the optical signal interface circuit of the light signal that is fit to the plastic fiber transmission and the RJ45 interface circuit of the signal of telecommunication that suitable twisted-pair feeder transmits, and the optical-electrical converter that 100Base-TX and 100Base-FX signal are changed, the two ends of described optical-electrical converter connect optical signal interface circuit and RJ45 interface circuit respectively.
2,, it is characterized in that optoelectronic transceivers is mainly by the power circuit, the media conversion control chip DM9331 that supply with whole system, form for media conversion control chip DM9331 provides the crystal oscillating circuit in clock source, the network transforming circuit that carries out voltage transformation and Signal Spacing, RJ45 interface circuit, optical module interface circuit and match circuit according to the optoelectronic transceivers of the described information transmission system of claim 1; Described power circuit respectively with media conversion control chip DM9331, crystal oscillating circuit, network transforming circuit, RJ45 interface circuit, optical module interface circuit and match circuit, crystal oscillating circuit, RJ45 interface circuit, optical module interface circuit are connected with media conversion control chip DM9331 respectively.
3, according to the optoelectronic transceivers of the described information transmission system of claim 2, it is characterized in that the optical signal interface circuit is changed with the optical interface circuit that is connected with chip N2, optical module power supply circuits, optical module direction transducer, half full duplex by media conversion control chip DM9331 N2 and indicating circuit is formed, the optical interface circuit is made up of connector T ODX2402 and resistance.
4,, it is characterized in that optical signal interface also is provided with indicator light circuit according to the optoelectronic transceivers of the described information transmission system of claim 3.
5, according to the optoelectronic transceivers of the described information transmission system of claim 2, it is characterized in that the RJ45 interface circuit by media conversion control chip DM9331 N3 and the TP interface circuit that is connected with chip N3, crystal oscillating circuit, automatically, full duplex selects circuit, transforming circuit to form.
6, according to the optoelectronic transceivers of the described information transmission system of claim 2, it is characterized in that power circuit by the 220V AC power change into+the 5V DC power supply circuit and+the 5V DC power supply changes into+the 3.3V DC power supply circuit, and 2.2 μ H inductance and filter capacitors are set respectively between the ground of power supply.
7,, it is characterized in that power circuit is provided with the indicating circuit of indication power work according to the optoelectronic transceivers of the claim 2 or the 6 described information transmission systems.
8, optoelectronic transceivers according to the claim 3 or the 5 described information transmission systems, the pin 17 that it is characterized in that chip N2 is connected with the pin 14 of chip N3, the pin 19 of chip N2 is connected with the pin 28 of chip N3, the pin 20 of chip N2 is connected with the pin 29 of chip N3, the pin 21 of chip N2 is connected with the pin 37 of chip N3, the pin 24 of chip N2 is connected with the pin 24 of chip N3, the pin 25 of chip N2 is connected with the pin 25 of chip N3, the pin 26 of chip N2 is connected with the pin 17 of chip N3, the pin 28 of chip N2 is connected with the pin 19 of chip N3, the pin 29 of chip N2 is connected with the pin 20 of chip N3, the pin 37 of chip N2 is connected with the pin 21 of chip N3, and the pin 40 of chip N2 is connected with the pin 40 of chip N3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200738676U CN2826844Y (en) | 2005-07-20 | 2005-07-20 | Photoelectric transceiver of information transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200738676U CN2826844Y (en) | 2005-07-20 | 2005-07-20 | Photoelectric transceiver of information transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2826844Y true CN2826844Y (en) | 2006-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200738676U Expired - Fee Related CN2826844Y (en) | 2005-07-20 | 2005-07-20 | Photoelectric transceiver of information transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2826844Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410505A (en) * | 2014-11-26 | 2015-03-11 | 北京中科德能科技有限公司 | Ethernet photo-dielectric converter |
-
2005
- 2005-07-20 CN CNU2005200738676U patent/CN2826844Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410505A (en) * | 2014-11-26 | 2015-03-11 | 北京中科德能科技有限公司 | Ethernet photo-dielectric converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090227 Address after: Industrial Park, Gan Zhen Town, Jiangsu City, Gaoyou Province, China: 225636 Patentee after: Yangzhou Huaer Solar-PV Technology Co.,Ltd. Address before: No. 8-8, Weiyang Road, Jiangsu, Yangzhou Province, China: 225009 Patentee before: Huashan Photoelectric Co., Ltd., Jiangsu |
|
| ASS | Succession or assignment of patent right |
Owner name: YANGZHOU HUAER PHOTOVOLTAIC SCIENCE CO., LTD. Free format text: FORMER OWNER: HUASHAN PHOTOELECTRIC CO., LTD., JIANGSU Effective date: 20090227 |
|
| ASS | Succession or assignment of patent right |
Owner name: HUASHAN PHOTOELECTRIC CO., LTD., JIANGSU Free format text: FORMER OWNER: YANGZHOU HUAER SOLAR-PV TECHNOLOGY CO., LTD. Effective date: 20101117 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225636 INDUSTRY PARK, GANDUO TOWN, GAOYOU CITY, JIANGSU PROVINCE TO: 225008NORTH SIDE OF SHUANGTANG ROAD, WEIYANG ECONOMIC DEVELOPMENT ZONE, YANGZHOU CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20101117 Address after: 225008 north side of Shuang Tong Road, Weiyang Economic Development Zone, Yangzhou, Jiangsu Patentee after: Huashan Photoelectric Co., Ltd., Jiangsu Address before: 225636 Industrial Park, Gan Zhen Town, Gaoyou, Jiangsu Patentee before: Yangzhou Huaer Solar-PV Technology Co.,Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061011 Termination date: 20110720 |