CN2814817Y - Optical exchanger for whole optical net 650nm information transmission system - Google Patents
Optical exchanger for whole optical net 650nm information transmission system Download PDFInfo
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- CN2814817Y CN2814817Y CNU2005200692598U CN200520069259U CN2814817Y CN 2814817 Y CN2814817 Y CN 2814817Y CN U2005200692598 U CNU2005200692598 U CN U2005200692598U CN 200520069259 U CN200520069259 U CN 200520069259U CN 2814817 Y CN2814817 Y CN 2814817Y
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Abstract
The utility model relates to an optical exchanger for whole optical net 650 nm information transmission systems, which relates to a network device, particularly the user terminal equipment of an optical network. The utility model is provided with a hardware MAC address system for recognizing a multi-path network card and a multi-path data packet system for completing encapsulation and forwarding, recognizes the MAC address system and causes the address to be stored in an inner address list, and establishes a temporary exchange path between a starter of a data frame and a target receiver to cause the data frame to directly reach to a destination address from a source address. The utility model can cause the existing 1550 nm silicon fiber signal, the 1310 NM silicon fiber signal and the 850 NM silicon fiber signal to be respectively converted to a 650 NM plastic optical fiber signal, entering into the user terminal.
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.After converting existing 1550nm, 1310nm, 850nm silica fiber signal to 650nm plastic fiber signal respectively, the exchange that must carry out ethernet frame connects transmission, just can enter user terminal then.
The utility model content
The utility model purpose is exactly a kind of optical switch that existing 1550nm, 1310nm, 850nm silica fiber signal can be converted to all optical network 650nm information transmission system of 650nm plastic fiber signal respectively of design.
The utility model is provided with the hardware address MAC recognition system of multichannel network interface card and finishes encapsulate forwarded multichannel data packet system.
The hardware address MAC recognition system of network interface card has each MAC Address is left in the controller of depositing in the internal table of addresses.
Finishing encapsulate forwarded multichannel data packet system has by setting up the controller of interim switching path between the originator of Frame and target receiver, having Frame is directly sent the controller that arrives destination address by source address.
The utility model is a kind of based on MAC (hardware address of network interface card) identification, can finish the network equipment of encapsulate forwarded packet function.Can finish the function of exchange of multipath light signal based on the optical switch of polymer optical fiber (POF is plastic fiber again), be the optical-fiber network important connective equipment.
The terminal use that the 650nm optical wavelength fast ethernet port of optical Ethernet switch can provide special being linked to have 650nm optical interface network interface card PC, or connect another Ethernet switch/hub in the terminal use front, be used as and share link.Switch provides the configured bandwidth of 100Mbps full duplex to each terminal use, thereby eliminates the bottleneck that dials up on the telephone fully.Owing to use optical interface, make its configured bandwidth unblocked, be enough to deal with the harshest environment.
The utility model is supported LEEE802.3x Adaptive Transmission pattern, or to select best transfer rate, even under extra-heavy situation, still can keep storage and transmit the maximum data integrality of exchange and flow control, it is saturated that the self adaptation of flow control also can make switch prevent that automatically buffer to ports from becoming.
The utility model comprises power supply circuits, a main control chip KS8999, filter circuit, the 25MHz crystal oscillating circuit, eight retable material fiber optic interface circuits, power supply circuits comprise that the 220V alternating voltage transfers to+the 5V dc voltage circuit, + 5V direct voltage transfers to+the 3.3V dc voltage circuit, + 5V direct voltage transfers to+the 2.0V dc voltage circuit, each retable material fiber optic interface circuits is made up of control chip TODX2402 and auxiliary circuit respectively, filter circuit is connected to+output of 2.0V direct voltage, eight retable material fiber optic interface circuits are connected to the pin 5 of main control chip KS8999,6,9,10,19,20,22,23,30,31,33,34,43,44,47,48,54,55,57,58,61,62,64,65,196,197,199,200,203,204,206, on 207, the 25MHz crystal oscillating circuit is connected on the pin 176 and pin 177 of main control chip KS8999.
The main control chip of optical switch uses KS8999.KS8999 is a Micrel company product, and this family device comprises that two kinds of model: KS8999 are business level, and the temperature range of its work is 0 ℃～70 ℃; KS8999I is the technical grade device, and its operating temperature range is one 45 ℃～85 ℃.All have 208 pins.
This device is the 10/100M exchanger chip of 9 ports (8+1) transceiver, and 8 ports can be fiber mode or UTP pattern.Have 128k frame interior buffering area, 2.0Gbps inner high speed bandwidth, integrated address searching engine is supported the absolute MAC Address of 1K; Automatic address search, memory and forwarding.Both can be used for the conversion of simple physics layer, can be used as comprehensive storage/transmission bridge circuit again.
Utilize this main control chip can realize single-chip, multiport solution.Its inside has 9 MAC unit, wherein 1～8 can directly connect exchange mouthful, and 9 mouthfuls can meet MII/SNI, links to each other with router or gateway with convenient.If 8 oral sexes are changed planes, then use a slice can reach requirement, combination gets final product if port number, then can use multi-disc more than 8.Switch also can be provided with 16 or 24 or 32 or 48 or 96 ports.
In the utility model ,+5V direct voltage transfers to+the 3.3V dc voltage circuit and+the 5V direct voltage transfers to+also adopted the MIC29302 pressurizer respectively in the 2.0V dc voltage circuit.
Description of drawings
Fig. 1 is a fundamental diagram of the present utility model;
Fig. 2 is one of circuit theory diagrams of the present utility model;
Fig. 3 is two of circuit theory diagrams of the present utility model;
Fig. 4 is three of circuit theory diagrams of the present utility model;
Fig. 5 is four of circuit theory diagrams of the present utility model;
Fig. 6 is five of circuit theory diagrams of the present utility model.
Specific embodiment
The utility model is made up of power supply circuits, main control chip KS8999, filter circuit, 25MHz crystal oscillating circuit, eight retable material fiber optic interface circuits.
Power supply circuits comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit ,+the 5V direct voltage transfers to+the 3.3V dc voltage circuit ,+the 5V direct voltage transfers to+the 2.0V dc voltage circuit, adopts the MIC29302 pressurizer respectively in above-mentioned two transforming circuits.
Filter circuit is connected to+output of 2.0V direct voltage, and each retable material fiber optic interface circuits is made up of control chip TODX2402 and auxiliary circuit respectively.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 1 interface circuit, pin 2 connects the pin 196 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 197 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 200 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 199 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 2 interface circuits, pin 2 connects the pin 206 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 207 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 204 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 203 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 3 interface circuits, pin 2 connects the pin 5 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 6 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 10 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 9 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 4 interface circuits, pin 2 connects the pin 22 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 23 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 20 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 19 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 5 interface circuits, pin 2 connects the pin 30 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 31 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 34 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 33 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 6 interface circuits, pin 2 connects the pin 47 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 48 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 44 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 43 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 7 interface circuits, pin 2 connects the pin 54 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 55 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 58 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 57 of main control chip KS8999.
Control chip TODX2402 pin 1 and pin 11,12 ground connection in plastic fiber 8 interface circuits, pin 2 connects the pin 64 of main control chip KS8999, control chip TODX2402 pin 3 connects the pin 65 of main control chip KS8999, control chip TODX2402 pin 8 connects the pin 62 of main control chip KS8999, and control chip TODX2402 pin 9 connects the pin 61 of main control chip KS8999.
The 25MHz crystal oscillating circuit is connected on the pin 176 and pin 177 of main control chip KS8999.
Claims (3)
1, the optical switch of all optical network 650nm information transmission system, it is characterized in that optical switch comprises power supply circuits, a main control chip KS8999, filter circuit, the 25MHz crystal oscillating circuit, eight retable material fiber optic interface circuits, power supply circuits comprise that the 220V alternating voltage transfers to+the 5V dc voltage circuit, + 5V direct voltage transfers to+the 3.3V dc voltage circuit, + 5V direct voltage transfers to+the 2.0V dc voltage circuit, each retable material fiber optic interface circuits is made up of connector T ODX2402 and auxiliary circuit respectively, filter circuit is connected to+output of 2.0V direct voltage, eight retable material fiber optic interface circuits are connected to the pin 5 of main control chip KS8999,6,9,10,19,20,22,23,30,31,33,34,43,44,47,48,54,55,57,58,61,62,64,65,196,197,199,200,203,204,206, on 207, the 25MHz crystal oscillating circuit is connected on the pin 176 and pin 177 of main control chip KS8999.
2,, it is characterized in that+the 5V direct voltage transfers to+adopt the MIC29302 pressurizer in the 3.3V dc voltage circuit according to the optical switch of the described all optical network 650nm of claim 1 information transmission system.
3,, it is characterized in that+the 5V direct voltage transfers to+adopt the MIC29302 pressurizer in the 2.0V dc voltage circuit according to the optical switch of the described all optical network 650nm of claim 1 information transmission system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200692598U CN2814817Y (en) | 2005-02-24 | 2005-02-24 | Optical exchanger for whole optical net 650nm information transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200692598U CN2814817Y (en) | 2005-02-24 | 2005-02-24 | Optical exchanger for whole optical net 650nm information transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN2814817Y true CN2814817Y (en) | 2006-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200692598U Expired - Fee Related CN2814817Y (en) | 2005-02-24 | 2005-02-24 | Optical exchanger for whole optical net 650nm information transmission system |
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| CN (1) | CN2814817Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313837A (en) * | 2011-06-17 | 2012-01-11 | 深圳市金霆新能源技术有限公司 | Photovoltaic convergence detecting device |
-
2005
- 2005-02-24 CN CNU2005200692598U patent/CN2814817Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313837A (en) * | 2011-06-17 | 2012-01-11 | 深圳市金霆新能源技术有限公司 | Photovoltaic convergence detecting device |
| CN102313837B (en) * | 2011-06-17 | 2013-08-28 | 深圳市金霆新能源技术有限公司 | Photovoltaic convergence detecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |