CN2766459Y - All-optical network 650nm information transmission system - Google Patents
All-optical network 650nm information transmission system Download PDFInfo
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- CN2766459Y CN2766459Y CNU2004200545857U CN200420054585U CN2766459Y CN 2766459 Y CN2766459 Y CN 2766459Y CN U2004200545857 U CNU2004200545857 U CN U2004200545857U CN 200420054585 U CN200420054585 U CN 200420054585U CN 2766459 Y CN2766459 Y CN 2766459Y
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Abstract
The utility model relates to an all-optical network 650 nm information transmission system which relates to a network device, particularly the subscriber terminal equipment of an optical network. The utility model relates to a whole-optical network 650 nm information transmission system, which relates to a network device, particularly the subscriber terminal equipment of an optical network. The utility model comprises a wavelength converter, an optical exchanger and an optical network card, wherein the signal converter can cause a 1550 nm silicon fiber signal, or a 1310 nm silicon fiber signal or an 850 nm silicon fiber signal to be respectively converted to a 650 nm plastic fiber signal, the wavelength converter, the optical exchanger and the optical network card are orderly connected with each other through a 100Mbps plastic optical fiber receiving/emitting module, and the operating wavelength of the 100Mbps plastic fiber receiving emitting module is 650 NM. The utility model always causes a light information flow to exist in the mode of light during transmission and conversion in the network without light/electricity or electricity/light conversion. The utility model has the characteristics of favorable transparency, wavelength routing characteristic, compatibility, expandability, light weight, good toughness, easy interface, low cost, favorable confidential performance, strong anti-interference ability, high transmission rate, very cheap light source, etc.
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.
The utility model content
The utility model purpose is to provide a kind of signal transmission fast, stable, the safe all optical network 650nm information transmission system for the terminal use.
The utility model comprises that converting 1550nm or 1310nm or 850nm silica fiber signal to 650nm plastic fiber signal wavelength transducer, optical switch, light network interface card respectively forms, successively by the plastic fiber sending and receiving module connection of 100Mbps, the operation wavelength of sending and receiving module is 650nm between wavelength shifter, optical switch, the light network interface card.
It is the plastic fiber sending and receiving module of 650nm with the 100Mbps operation wavelength that the utility model is developed the multi-plexing light accessing system that matches according to parameters such as plastic fiber characteristic parameter, spectrum damage, refraction index profile, wavelength shifter can be realized the fiber-optic signal of single mode, multimode, convert 1550nm, 1310nm, 850nm silica fiber signal to 650nm plastic fiber signal respectively, transmission range reaches more than the 50m; Light network card data transmission means is light/optical transmission, substitutes the light/electricity of existing network interface card, the data-transmission mode of electricity/light.Optical switch is the switching node in the all-optical network, is indispensable device in high speed, the Large Volume Data transmission system, can the different Optical Transmission Network OTN of wide area ground interconnection by it.The utility model be optical information stream in network transmission and during exchange all the time the form with light exist, and needn't pass through light/, electricity/light conversion, has the good transparency, the wavelength routing characteristic, compatibility and extensibility, have in light weight, good toughness, interface is easy, integrated cost is low, security performance is good, antijamming capability is strong, the transmission rate height, characteristics such as light source is very cheap, it is the key of last kilometer of solution information " all optical network ", also be the following optimal selection that realizes " unification of three nets ", the first-selection of (ultrahigh speed) broadband network at a high speed of future generation especially.
When transmission range between wavelength shifter, the optical switch surpasses more than 50 meters, the utility model also can be provided with optical repeater between wavelength shifter, optical switch, connect by optical transceiver module successively between wavelength shifter, optical repeater, the optical switch.
When transmission range between optical switch, the light network interface card surpasses more than 50 meters, between optical switch, light network interface card, also optical repeater can be set, connect by optical transceiver module successively between optical switch, optical repeater, the light network interface card.
Wavelength shifter is the Primary Component in the all-optical network, and OBH type wavelength shifter acts on needs to carry out 650nm optical wavelength and other optical wavelength (1550nm in the plastic fiber system integration all-optical network; 1310nm; 850nm) the place of changing mutually.So that with other optical wavelength (1550nm; 1310nm; Silica fiber 850nm) interconnects.Make plastic fiber system and the common information net can intercommunication, carry out the optical communication of full process and full network.
Wavelength shifter is mainly by main control chip KS8995E, optic module and match circuit thereof, reset circuit, voltage conversion circuit, status indicator lamp circuit and 25MHz crystal oscillating circuit are formed, voltage conversion circuit comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit, the feeder ear of optic module and reset circuit is connected+the 5V dc voltage output end, the pin 5 of main control chip KS8995E, 10,14,20,25,30,37,39,43,44,45,46,49,50,58,73,79,81,94,100,110,114,117,118,122,127 be connected to+output of 2.5V dc voltage circuit, the feeder ear of status indicator lamp circuit and 25MHz crystal oscillating circuit all is connected with the output of+2.5V direct voltage is defeated respectively, optic module and match circuit thereof are connected the pin 7 of main control chip KS8995E, pin 8, on pin 11 and the pin 12, reset circuit is connected on the pin 85 of main control chip KS8995E, the light-emitting diode of status indicator lamp circuit is connected with main control chip KS8995E, and the 25MHz crystal oscillating circuit is connected on the pin 112 and pin 113 of main control chip KS8995E.
Optical switch uses and is connecting in the transmission with the exchange of 650nm optical wavelength as the ethernet frame of optical interface, makes the shared access to the Internet of each individual consumer in a local area network (LAN), and single product can be 96 users at most broadband the Internet access is provided.And, can connect, to satisfy the demand of more users.The terminal use that the 650nm optical wavelength fast ethernet port of optical 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.
Ethernet switch equipment 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.
Optical switch comprises power supply circuits, some main control chip KS8995E, the inter-connected circuit of each main control chip KS8995E, filter circuit, the 25MHz crystal oscillating circuit, interface circuit with four optical modules, power supply circuits comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit, main control chip KS8995E, the inter-connected circuit of each main control chip KS8995E, filter circuit is connected to+output of 2.5V direct voltage, each main control chip KS8995E is provided with indicator light circuit, each indicator light circuit is connected to the pin 86 of corresponding main control chip KS8995E, 88,90,92,96,98,102, on 104, be connected to the pin 2 of main control chip KS8995E with the interface circuit of four optical modules, 3,7,8,11,12,18,19,22,23,27,28,31, on 32, the 25MHz crystal oscillating circuit is connected on 112 pin and 113 pin of main control chip KS8995E.
The light network interface card uses at terminal, utilizes plastic fiber and Ethernet net to interconnect.It has the various characteristics of general network interface card, and the good characteristic of performance PIC bus also adopts the working method of bus master.Follow (ACPI) characteristic in the ACPI, by the provide support power management function of system of hardware and operating system.1/0 interface is 650nm plastic fiber (POF) optical interface.
The indicator light circuit that the light network interface card is mainly received and sends for pci interface, voltage conversion circuit, optic module interface, eeprom memory, BOOTROM memory, the designation data of 32 and output+5V power supply by highway width,, main control chip forms for providing the 25MHz crystal oscillating circuit in clock source and IP100A main control chip.
The power supply circuits of above-mentioned optic module interface through filter circuit and pci interface+5V supply voltage output is connected, voltage conversion circuit+the 5V power input is connected on the A face pin 5,8,61,62 and B face pin 5,6,61,62 of pci interface; The pin 1 of optic module interface and pin 9 ground connection, pin 2 is connected with the pin 36,37,41,42,128 of IP100A main control chip; The pin 6,8 of eeprom memory and pci interface+the 3.3V voltage source is connected, and its pin 1 is connected with the pin 28 of IP100A main control chip, pin 2 is connected with the pin 17 of IP100A main control chip, pin 3 is connected with the pin 18 of IP100A main control chip, pin 4 is connected with the pin 22 of IP100A main control chip, pin 5 ground connection; The pin 3,7,8 of BOOTROM memory and pci interface+3.3V voltage source output is connected, and its pin 1 is connected with the pin 27 of IP100A main control chip, pin 2 is connected with the pin 22 of IP100A main control chip, pin 4 ground connection, pin 5 are connected with the pin 18 of IP100A main control chip, pin 6 is connected with the pin 17 of IP100A main control chip; The indicator light circuit of designation data reception and transmission comprises a LED light-emitting diode and resistance string back circuit composition also earlier, two LED LEDs
1, LED
2Be connected in parallel on respectively pci interface+3.3V supply voltage output, with LED
1The resistance R of series connection
1Be connected on the pin 42 of IP100A main control chip, with LED
2The resistance R of series connection
2Be connected on the pin 37 of IP100A main control chip; Crystal oscillating circuit is connected on the pin 31 and pin 32 of IP100A main control chip.
Optical repeater uses the place of carrying out the 650nm optical relay in plastic fiber system integration all-optical network because of the oversize needs of distance.This product is that high-speed access network is realized " Fiber to the home " full optical transmission, provides a kind of and can satisfy specification requirement, and the short distance of new generation that can reduce cost again, high broadband network transmission system have important use and be worth.
Optical repeater is mainly by power-switching circuit, optic module power supply processing circuit, optic module IP
1With optic module IP
2Form, power-switching circuit converts to+the 5V dc voltage circuit for the 220V alternating voltage, the optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP
1With optic module IP
2Be connected to the output of corresponding optic module power supply processing circuit, optic module IP
1Input (RXI1+/RXI1-) and output (TXO1+/TXO1-) respectively with optic module IP
2Output (TXO2+/TXO2-) be connected with input (RXI2+/RXI2-).
Electrical signal conversion after optical transceiver module comprises Optical Receivers that the light signal with plastic fiber input converts the signal of telecommunication that electronic circuit can handle to and will handle becomes the optical transmission module of the light signal that can transmit in polymer optical fiber.
Description of drawings
Fig. 1 is a fundamental diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of wavelength shifter;
Fig. 3 is the circuit schematic diagram of optical repeater;
Fig. 4 is 8 port optical switch schematic diagrams;
Fig. 5 is 16 port optical switch schematic diagrams;
Fig. 6 is the optical switch circuit theory diagrams;
Fig. 7 always schemes for the light network interface card;
Fig. 8 is one of circuit theory diagrams of light network interface card;
Fig. 9 be the light network interface card circuit theory diagrams two;
Figure 10 is the optical transceiver module complete schematic;
Figure 11 is the optical transmission module fundamental diagram;
Figure 12 is the Optical Receivers fundamental diagram.
Specific embodiment
As shown in Figure 1, convert 1550nm or 1310nm or 850nm silica fiber signal to 650nm plastic fiber signal wavelength transducer, optical repeater, optical switch, optical repeater, light network interface card respectively and connect by the plastic fiber sending and receiving module of 100Mbps successively, the operation wavelength of sending and receiving module is 650nm.
As shown in Figure 2, wavelength shifter is made up of main control chip KS8995E, optic module and match circuit thereof, reset circuit, voltage conversion circuit, status indicator lamp circuit and 25MHz crystal oscillating circuit.Provide the clock source by the 25MHz crystal oscillating circuit for main control chip; Voltage conversion circuit comprises two parts, promptly 220V alternating voltage commentaries on classics+5V direct voltage and+5V direct voltage commentaries on classics+2.5V direct voltage.The former is in order to make this system can directly insert mains system, its output+5V voltage is uses such as reset circuit and optic module; Latter's conversion goes out+and 2.5V supplies with main control chip KS8995E.The effect of status indicator lamp circuit is the working condition of indication system.
The feeder ear of optic module and reset circuit is connected+the 5V dc voltage output end, the pin 5,10,14,20,25,30,37,39,43,44,45,46,49,50,58,73,79,81,94,100,110,114,117,118,122,127 of main control chip KS8995E is connected to+output of 2.5V dc voltage circuit, the feeder ear of status indicator lamp circuit and 25MHz crystal oscillating circuit all respectively with+output of 2.5V direct voltage is defeated to be connected.
Optic module and match circuit thereof are connected on pin 7, pin 8, pin 11 and the pin 12 of main control chip KS8995E.
Reset circuit is made up of integrated chip MAX706, electric capacity, resistance, reset switch, and the RESET end of reset circuit is connected on the pin 85 of main control chip KS8995E.
The LED of status indicator lamp circuit
2, LED
3, LED
4, LED
5, LED
6, LED
7Negative pole end be connected on the pin 86, pin 88, pin 90, pin 92, pin 106, pin 108 of main control chip KS8995E.
The input X1 of 25MHz crystal oscillating circuit is connected with the pin 112 of main control chip KS8995E, and the output X2 of 25MHz crystal oscillating circuit is connected with the pin 113 of main control chip KS8995E.
As shown in Figure 3, optical repeater is mainly converted to+5V dc voltage circuit, optic module power supply processing circuit, optic module IP by the 220V alternating voltage
1With optic module IP
2Form.
The optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP
1With optic module IP
2Be connected to the output of corresponding optic module power supply processing circuit, optic module IP
1Input (RXI1+/RXI1-) and output (TXO1+/TXO1-) respectively with optic module IP
2Output (TXO2+/TXO2-) be connected with input (RXI2+/RXI2-).
Optic module IP
1, IP
1Pin 1, pin 9 ground connection respectively, optic module IP
1Pin 2 and optic module IP
2Pin 8 connects optic module IP
1Pin 3 and optic module IP
2Pin 7 connects optic module IP
1Pin 5, pin 6 are connected with optic module 1 power supply processing circuit respectively, the other end of optic module 1 power supply processing circuit is connected+the 5V dc voltage circuit on.Optic module IP
1Pin 7 and optic module IP
2Pin 3 connects optic module IP
1Pin 8 and optic module IP
2Pin 2 connects.Optic module IP
2Pin 5, pin 6 are connected with optic module 2 power supply processing circuits respectively, the other end of optic module 2 power supply processing circuits is connected+the 5V dc voltage circuit on.
In optic module 1,2 power supply processing circuits, each road VccT and VccR are connect inductance and filter capacitor respectively.
On+5V dc voltage output circuit, also connect the power supply indicator circuit.
To shown in Figure 6, optical switch is by inter-connected circuit, filter circuit, the 25MHz crystal oscillating circuit of power supply circuits, some main control chip KS8995E, each main control chip KS8995E, form with the interface circuit of four optical modules as Fig. 4.
Main control chip KS8995E is a Micrel company product, and this device both can be used for the conversion of simple physics layer, can be used as comprehensive storage/transmission bridge circuit again.This family device advantage is as follows: adopt patent PHY technology, realize that with minimum power consumption signal transmits; The packet tranmission techniques of application of advanced carries out 100BaseFX/100BaseTX to 100BaseFX/100BaseTX to be changed; Height interchangeability.Utilize this main control chip can realize single-chip, multiport solution.Its inside has 5 MAC unit, if port number is less than or equals 5, then uses a slice to get final product.If more than 5 mouthfuls, for example 8 oral sexes are changed planes, and just can use a plurality of chips to make up and get final product.
As shown in Figure 4,1～8 represents 8 ports respectively, and each main control chip KS8995E uses wherein 4 as external tapping, and the 5th as intraconnection.
As shown in Figure 5,16 port switch have been used 5 main control chip KS8995E, wherein 1 ~ 16 represent 16 ports respectively, and every KS8995E only uses wherein 4 ports as the inputoutput data port, and the 5th is used for interconnection.
When port number increased, its basic principle was identical, and the appended circuit diagram in back is the main control chip KS8995E connection situation of peripheral circuits extremely of 16 port switch, and its functional module extremely circuit description is identical with the light photoconverter basically.
As shown in Figure 6, power supply circuits comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit.
The pin 5,10,14,20,25,30,37,43,44,45,46,49,50,53,58,73,79,81,94,100,110,114,117,118,122,127 of each main control chip KS8995E is the positive terminal of connection+2.5V direct voltage respectively, pin 4,6,13,16,17,24,26,33,34,37,38,42,48,51,52,56,57,59,74,75,76,77,78,80,82,83,84,95,101,111,115,116,124,128 ground connection.
Inter-connected circuit, the filter circuit of each main control chip KS8995E be connected to+output of 2.5V direct voltage.
Each main control chip KS8995E is provided with indicator light circuit, and each indicator light circuit is connected on the pin 86,88,90,92,96,98,102,104 of corresponding main control chip KS8995E.
Be connected on the pin 2,3,7,8,11,12,18,19,22,23,27,28,31,32 of main control chip KS8995E with the interface circuit of four optical modules.
The input X5 of 25MHz crystal oscillating circuit is connected with the pin 112 of main control chip KS8995E, and the output X6 of crystal oscillating circuit is connected with the pin 113 of main control chip KS8995E.
Shown in Fig. 7,8,9, light network interface card voltage conversion circuit comprises+5V voltage source commentaries on classics+3.3V voltage supply circuit and+3.3V voltage source commentariess on classics+2.5V voltage supply circuit, at+5V voltage output end and+3.3V voltage output end filtering analog power circuit and digital power circuit are set respectively.
The IP100A main control chip is a monolithic, full duplex, 10M/100M self adaptation ether MAC+PHY, meets the IEEE802.3 agreement, adapts to 100BASE-TX/100BASE-FX/10BASE-T, and has 32 pci interfaces, and this chip has 128 pin PQFP encapsulation.
The power supply circuits of optic module interface through filter circuit and pci interface+5V supply voltage output is connected, voltage conversion circuit+the 5V power input is connected on the A face pin 5,8,61,62 and B face pin 5,6,61,62 of pci interface.
The pin 1 of optic module interface and pin 9 ground connection, pin 2 is connected with the pin 36,37,41,42,128 of IP100A main control chip; The pin 6,8 of eeprom memory and pci interface+the 3.3V voltage source is connected, and its pin 1 is connected with the pin 28 of IP100A main control chip, pin 2 is connected with the pin 17 of IP100A main control chip, pin 3 is connected with the pin 18 of IP100A main control chip, pin 4 is connected with the pin 22 of IP100A main control chip, pin 5 ground connection.
The pin 3,7,8 of BOOTROM memory and pci interface+3.3V voltage source output is connected, and its pin 1 is connected with the pin 27 of IP100A main control chip, pin 2 is connected with the pin 22 of IP100A main control chip, pin 4 ground connection, pin 5 are connected with the pin 18 of IP100A main control chip, pin 6 is connected with the pin 17 of IP100A main control chip.
The indicator light circuit of designation data reception and transmission comprises a LED light-emitting diode and resistance string back circuit composition also earlier, two LED LEDs
1, LED
2Be connected in parallel on respectively pci interface+3.3V supply voltage output, with LED
1The resistance R of series connection
1Be connected on the pin 42 of IP100A main control chip, with LED
2The resistance R of series connection
2Be connected on the pin 37 of IP100A main control chip.
Crystal oscillating circuit input XTAL
1Be connected on the pin 32 of IP100A main control chip output XTAL
2Be connected on the pin 31 of IP100A main control chip.
As Figure 10, the optical transceiver module interface has 9 pin signals, and the 1st pin is R
XV
EE, direct ground connection; The the 2nd and the 3rd pin is an output pin for inside, but for external module, is exactly input pin, use respectively RD and/RD represents; The 4th pin is empty pin; The 5th pin is input module power supply, i.e. R
XV
CCThe 6th pin is output module power supply, i.e. T
XV
CCThe 7th pin and the 8th pin are the output signal pin, use respectively RD and/RD represents; The 9th pin is T
XV
EE, direct ground connection.
As shown in figure 11, in the optical transmission module, the ECL and the/ECL signal of telecommunication for input enter the 74ACTQ00 NAND gate through two high speed triodes, send the light signal that can transmit through 2N3904 triode and resistance rear drive HFBR-15X7 in plastic fiber again.
HFBR-15X7 is the integration module that Agilent (Agilent) company produces, the inner integrated LED light-emitting diode that can send 650nm.
As shown in figure 12, in the Optical Receivers, after LED receives, after inside sends out processing of circuit in advance big, enter the 10H116 operational amplifier earlier, export ECL at last and reach/the ECL signal.
HFBR-25X6 is the integration module that Agilent (Agilent) company produces, it is an inner integrated reception diode and a pre-amplifying circuit.
Claims (9)
1, all optical network 650nm information transmission system, it is characterized in that comprising that converting 1550nm or 1310nm or 850nm silica fiber signal to 650nm plastic fiber signal wavelength transducer, optical switch, light network interface card respectively forms, successively by the plastic fiber sending and receiving module connection of 100Mbps, the operation wavelength of sending and receiving module is 650nm between wavelength shifter, optical switch, the light network interface card.
2, according to the described all optical network 650nm of claim 1 information transmission system, it is characterized in that between wavelength shifter, optical switch, optical repeater being set, connect by optical transceiver module successively between wavelength shifter, optical repeater, the optical switch.
3, according to the described all optical network 650nm of claim 1 information transmission system, it is characterized in that between optical switch, light network interface card, optical repeater being set, connect by optical transceiver module successively between optical switch, optical repeater, the light network interface card.
4, according to the described all optical network 650nm of claim 1 information transmission system, it is characterized in that wavelength shifter is mainly by main control chip KS8995E, optic module and match circuit thereof, reset circuit, voltage conversion circuit, status indicator lamp circuit and 25MHz crystal oscillating circuit are formed, voltage conversion circuit comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit, the feeder ear of optic module and reset circuit is connected+the 5V dc voltage output end, the pin 5 of main control chip KS8995E, 10,14,20,25,30,37,39,43,44,45,46,49,50,58,73,79,81,94,100,110,114,117,118,122,127 be connected to+output of 2.5V dc voltage circuit, the feeder ear of status indicator lamp circuit and 25MHz crystal oscillating circuit all is connected with the output of+2.5V direct voltage is defeated respectively, optic module and match circuit thereof are connected the pin 7 of main control chip KS8995E, pin 8, on pin 11 and the pin 12, reset circuit is connected on the pin 85 of main control chip KS8995E, the light-emitting diode of status indicator lamp circuit is connected with main control chip KS8995E, and the 25MHz crystal oscillating circuit is connected on the pin 112 and pin 113 of main control chip KS8995E.
5, according to the described all optical network 650nm of claim 1 information transmission system, it is characterized in that optical switch comprises power supply circuits, some main control chip KS8995E, the inter-connected circuit of each main control chip KS8995E, filter circuit, the 25MHz crystal oscillating circuit, with the interface circuit power supply circuits of four optical modules comprise the 220V alternating voltage transfer to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit, main control chip KS8995E, the inter-connected circuit of each main control chip KS8995E, filter circuit is connected to+output of 2.5V direct voltage, each main control chip KS8995E is provided with indicator light circuit, each indicator light circuit is connected to the pin 86 of corresponding main control chip KS8995E, 88,9 (, 92,96,98,102, on 104, be connected to the pin 2 of main control chip KS8995E with the interface circuit of four optical modules, 3,7,8,11,12,18,19,22,23,27,28,31, on 32, the 25MHz crystal oscillating circuit is connected on 112 pin and 113 pin of main control chip KS8995E.
6,, it is characterized in that indicator light circuit that the light network interface card mainly receives and send for pci interface, voltage conversion circuit, optic module interface, eeprom memory, BOOTROM memory, the designation data of 32 and output+5V power supply by highway width, form for main control chip provides the 25MHz crystal oscillating circuit in clock source and IP100A main control chip according to the described all optical network 650nm of claim 1 information transmission system.
7, according to the described all optical network 650nm of claim 6 information system, its hold levy the power supply circuits that are the optic module interface through filter circuit and pci interface+5V supply voltage output is connected, voltage conversion circuit+the 5V power input is connected on the A face pin 5,8,61,62 and B face pin 5,6,61,62 of pci interface; The pin 1 of optic module interface and pin 9 ground connection, pin 2 is connected with the pin 36,37,41,42,128 of IP100A main control chip; The pin 6,8 of eeprom memory and pci interface+the 3.3V voltage source is connected, and its pin 1 is connected with the pin 28 of IP100A main control chip, pin 2 is connected with the pin 17 of IP100A main control chip, pin 3 is connected with the pin 18 of IP100A main control chip, pin 4 is connected with the pin 22 of IP100A main control chip, pin 5 ground connection; The pin 3,7,8 of BOOTROM memory and pci interface+3.3V voltage source output is connected, and its pin 1 is connected with the pin 27 of IP100A main control chip, pin 2 is connected with the pin 22 of IP1OOA main control chip, pin 4 ground connection, pin 5 are connected with the pin 18 of IP100A main control chip, pin 6 is connected with the pin 17 of IP100A main control chip; The indicator light circuit of designation data reception and transmission comprises a LED light-emitting diode and resistance string back circuit composition also earlier, two LED LEDs
1, LED
2Be connected in parallel on respectively pci interface+3.3V supply voltage output, with LED
1The resistance R of series connection
1Be connected on the pin 42 of IP100A main control chip, with LED
2The resistance R of series connection
2Be connected on the pin 37 of IP100A main control chip; Crystal oscillating circuit is connected on the pin 31 and pin 32 of IP1OOA main control chip.
8,, it is characterized in that optical repeater is mainly by power-switching circuit, optic module power supply processing circuit, optic module IP according to the described all optical network 650nm of claim 1 information transmission system
1With optic module IP
2Form, power-switching circuit converts to+the 5V dc voltage circuit for the 220V alternating voltage, the optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP
1With optic module IP
2Be connected to the output of corresponding optic module power supply processing circuit, optic module IP
1Input (RXI1+/RXI1-) and output (TXO1+/TXO1-) respectively with optic module IP
2Output (TXO2+/TXO2-) be connected with input (RXI2+/RXI2-).
9, according to the described all optical network 650nm of claim 1 information transmission system, the electrical signal conversion after it is characterized in that Optical Receivers that optical transceiver module comprises that light signal with plastic fiber input converts the signal of telecommunication that electronic circuit can handle to and will handling becomes the optical transmission module of the light signal that can transmit in polymer optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200545857U CN2766459Y (en) | 2004-12-21 | 2004-12-21 | All-optical network 650nm information transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200545857U CN2766459Y (en) | 2004-12-21 | 2004-12-21 | All-optical network 650nm information transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2766459Y true CN2766459Y (en) | 2006-03-22 |
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|---|---|---|---|
| CNU2004200545857U Expired - Fee Related CN2766459Y (en) | 2004-12-21 | 2004-12-21 | All-optical network 650nm information transmission system |
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| Country | Link |
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| CN (1) | CN2766459Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345014C (en) * | 2005-12-16 | 2007-10-24 | 乔桂兰 | 650nm plastic optical fiber transmission system |
-
2004
- 2004-12-21 CN CNU2004200545857U patent/CN2766459Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100345014C (en) * | 2005-12-16 | 2007-10-24 | 乔桂兰 | 650nm plastic optical fiber transmission system |
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