CN2770236Y - Whole-optical network 650nm information transmission system - Google Patents

Whole-optical network 650nm information transmission system Download PDF

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Publication number
CN2770236Y
CN2770236Y CNU2005200692583U CN200520069258U CN2770236Y CN 2770236 Y CN2770236 Y CN 2770236Y CN U2005200692583 U CNU2005200692583 U CN U2005200692583U CN 200520069258 U CN200520069258 U CN 200520069258U CN 2770236 Y CN2770236 Y CN 2770236Y
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pin
optical
control chip
main control
circuit
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CNU2005200692583U
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乔桂兰
缪德俊
徐蓉艳
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HUASHAN PHOTOELECTRIC CO Ltd JIANGSU
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HUASHAN PHOTOELECTRIC CO Ltd JIANGSU
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Abstract

The utility model relates to a 650 nm information transmission system of an all-optical network, which relates to a network device, particularly customer terminal equipment of an optical network. The utility model is mainly composed of a wavelength convertor, an optical exchanger and an optical network card, wherein the wavelength convertor is used for converting a silica optical fiber signal which is 1550 nm or 1310 nm or 850 nm into a 650 nm plastic optical fiber signal; the wavelength convertor, the optical exchanger and the optical network card are connected in sequence by a 100MBps plastic optical fiber receiving and emitting module. In the utility model, optical information flow always exists in an optical mode without the optical-electrical change and the electrical-optical change when transmitted and exchanged. The utility model has the characteristics of favorable transparency, wavelength routing, compatibility, expandability, light weight, good toughness, easy interface, low integration cost, favorable confidential performance, high anti-interference capability, high transmission rate, low price of an optical source.

Description

The all optical network 650nm information transmission system
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 is mainly formed by 1550nm or 1310nm or 850nm silica fiber signal being converted to 650nm plastic fiber signal wavelength transducer, optical switch, light network interface card respectively, 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, electricity/light conversion, have the good transparency, wavelength routing characteristic, compatibility and extensibility, have in light weight, good toughness, interface is easy, characteristics such as integrated cost is low, security performance good, antijamming capability is strong, transmission rate is high, light source is 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 plastic fiber sending and receiving 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 plastic fiber sending and receiving module successively between optical switch, optical repeater, the light network interface card.
Transmission range more than 50 meters the terminal use make light obtain relaying by the utility model, amplify so that it transmits more fartherly, make plastic fiber system and the common information net can intercommunication, carry out the optical communication intercommunication of full process and full network.Because repeater directly uses 220V power supply power supply, the 220V alternating voltage must be converted to+the 5V direct voltage can use, be finished by an integrated power supply module, to supply with whole repeater.Repeater is exactly a kind of network access device that amplifies the analog or digital signal.
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 mainly is made up of silica fiber module and plastic fiber module, the main control chip of silica fiber module is DM9331A, the main control chip of plastic fiber module is DM9331A, the TXEN of two modules end and RXDV end intersects mutual connection, RXD holds with TXD holds and intersect mutual connection, FXRD end, the FXTD end of two modules are connected with outside line respectively, and the OSCIN end of two main control chip DM9331A all is connected on the external power supply of 50MHz.
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 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 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.The I/O interface is 650nm plastic fiber (POF) optical interface.
The indicator light circuit that the light network interface card is mainly received and sends for+3.3 optic module interface, eeprom memory, designation data for 32 pci interface, voltage conversion circuit, supply power voltage 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 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, 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 is connected with the pin 18 of IP100A main control chip, and 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 21 of IP100A main control chip, with LED 2The resistance R of series connection 2Be connected on the pin 16 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 1Control circuit and optic module IP 2Control circuit is formed, and power-switching circuit comprises that the 220V alternating voltage converts to+the 5V dc voltage circuit, the optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP 1Control circuit and optic module IP 2Control circuit is 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 the plastic fiber 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 theory diagrams of the silica fiber module of wavelength shifter;
Fig. 4 is the circuit theory diagrams of the plastic fiber module of wavelength shifter;
Fig. 5 is the optical repeater circuit theory diagrams;
Fig. 6 is the optical switch fundamental diagram;
Fig. 7 is one of circuit theory diagrams of optical switch;
Fig. 8 be optical switch circuit theory diagrams two;
Fig. 9 be optical switch circuit theory diagrams three;
Figure 10 be optical switch circuit theory diagrams four;
Figure 11 be optical switch circuit theory diagrams five;
Figure 12 always schemes for the light network interface card;
Figure 13 is one of circuit theory diagrams of light network interface card;
Figure 14 be the light network interface card circuit theory diagrams two;
Figure 15 is the optical transceiver module complete schematic;
Figure 16 is the optical transmission module fundamental diagram;
Figure 17 is the Optical Receivers fundamental diagram.
Specific embodiment
As shown in Figure 1, the utility model connects by the plastic fiber sending and receiving module of 100Mbps successively by converting 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 the operation wavelength of sending and receiving module is 650nm.
As shown in Figure 2, wavelength shifter is made up of silica fiber module and plastic fiber module, the main control chip of silica fiber module is DM9331A (one), the main control chip of plastic fiber module is DM9331A (two), the TXEN of two modules end and RXDV end intersect mutual connection, RXD end and TXD to be held and intersects mutual connection, and the FXRD of two modules holds, FXTD holds and is connected with outside line respectively.The OSCIN end of two main control chip DM9331A all is connected on the external power supply of 50MHz.
As shown in Figure 3, the silica fiber module comprises main control chip DM9331A (), the voltage conversion circuit that is connected with main control chip DM9331A (), half full duplex change-over circuit, indicator light circuit, silica fiber interface circuit and 50MHz crystal oscillating circuit, 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.
As shown in Figure 4, the plastic fiber module comprise main control chip DM9331A (two), the optical module that is connected with main control chip DM9331A (two) power supply road road, optical module direction transducer, half full duplex change-over circuit, indicator light circuit, plastic fiber interface circuit.
The pin 17 of silica fiber module main control chip DM9331A (one) is connected with the pin 26 of plastic fiber module main control chip DM9331A (two), the pin 19 of silica fiber module main control chip DM9331A (one) is connected with the pin 28 of plastic fiber module main control chip DM9331A (two), the pin 20 of silica fiber module main control chip DM9331A (one) is connected with the pin 29 of plastic fiber module main control chip DM9331A (two), the pin 21 of silica fiber module main control chip DM9331A (one) is connected with the pin 37 of plastic fiber module main control chip DM9331A (two), the pin 24 of silica fiber module main control chip DM9331A (one) is connected with the pin 24 of plastic fiber module main control chip DM9331A (two), the pin 25 of silica fiber module main control chip DM9331A (one) is connected with the pin 25 of plastic fiber module main control chip DM9331A (two), the pin 26 of silica fiber module main control chip DM9331A (one) is connected with the pin 17 of plastic fiber module main control chip DM9331A (two), the pin 28 of silica fiber module main control chip DM9331A (one) is connected with the pin 19 of plastic fiber module main control chip DM9331A (two), the pin 29 of silica fiber module main control chip DM9331A (one) is connected with the pin 20 of plastic fiber module main control chip DM9331A (two), the pin 37 of silica fiber module main control chip DM9331A (one) is connected with the pin 21 of plastic fiber module main control chip DM9331A (two), and the pin 40 of silica fiber module main control chip DM9331A () is connected with the pin 40 of plastic fiber module main control chip DM9331A (two).
As shown in Figure 5, optical repeater is mainly converted to+5V dc voltage circuit, optic module power supply processing circuit, optic module IP by the 220V alternating voltage 1Control circuit and optic module IP 2Control circuit is formed.
The optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP 1Control circuit and optic module IP 2Control circuit is 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, pin 11,12,13,14 ground connection respectively, pin 5 connects respectively+the 5V direct voltage, optic module IP 1Pin 2 and optic module IP 2Pin 9 connects optic module IP 1Pin 3 and optic module IP 2Pin 8 connects.Optic module IP 1Pin 8 and optic module IP 2Pin 3 connect optic module IP 1Pin 9 and optic module IP 2Pin 2 connect.
Optic module IP 1Pin 2 and pin 1 between connect resistance R 1, connect resistance R between pin 3 and the pin 1 2, optic module IP 1Pin 6 pass through inductance L 1Be connected inductance L with+5V dc voltage output end 1Two ends also connect capacitor C respectively 1And capacitor C 2, capacitor C 1And C 2The other end all be connected respectively with pin 1, in capacitor C 2And inductance L 1Between parallel resistance R 2And R 4, resistance R 2And R 4The other end be connected with pin 2, pin 3 respectively, pin 7 connection+5V dc voltage output ends connect resistance R between pin 7 and the pin 8 5, go back series resistance R between pin 7 and the pin 8 6And capacitor C 3, connect resistance R between pin 7 and the pin 9 7, pin 9 also passes through resistance R 8Ground connection is in earth terminal and inductance L 1Between go back shunt capacitance C 3And capacitor C 4
Optic module IP 2Pin 2 and pin 1 between connect resistance R 11, connect resistance R between pin 3 and the pin 1 13, optic module IP 2Pin 6 pass through inductance L 11Be connected inductance L with+5V dc voltage output end 11Two ends also connect capacitor C respectively 11And capacitor C 12, capacitor C 11And C 12The other end all be connected respectively with pin 1, in capacitor C 12And inductance L 11Between parallel resistance R 12And R 14, resistance R 12And R 14The other end be connected with pin 2, pin 3 respectively, pin 7 connection+5V dc voltage output ends connect resistance R between pin 7 and the pin 8 15, go back series resistance R between pin 7 and the pin 8 16And capacitor C 13, connect resistance R between pin 7 and the pin 9 17, pin 9 also passes through resistance R 18Ground connection is in earth terminal and inductance L 11Between go back shunt capacitance C 13And capacitor C 14
Power-switching circuit+5V dc voltage output end connection power supply indicator circuit, the power supply indicator circuit is by LED and resistance R 31Be composed in series, the positive terminal of LED be connected power-switching circuit+the 5V dc voltage output end, resistance R 31An end ground connection.
Shown in Fig. 6 to 11, optical switch 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.
Shown in Figure 12 to 14, 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 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, 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 is connected with the pin 18 of IP100A main control chip, and 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 21 of IP100A main control chip, with LED 2The resistance R of series connection 2Be connected on the pin 16 of IP100A main control chip.
25MHz 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 15, plastic fiber 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 16, 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 17, 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 mainly forming by 1550nm or 1310nm or 850nm silica fiber signal being converted to 650nm plastic fiber signal wavelength transducer, optical switch, light network interface card respectively, 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 mainly is made up of silica fiber module and plastic fiber module, the main control chip of silica fiber module is DM9331A, the main control chip of plastic fiber module is DM9331A, the TXEN of two modules end and RXDV end intersects mutual connection, RXD holds with TXD holds and intersect mutual connection, FXRD end, the FXTD end of two modules are connected with outside line respectively, and the OSCIN end of two main control chip DM9331A all is connected on the external power supply of 50MHz.
5, according to the described all optical network 650nm of claim 1 information transmission system, it is characterized in that optical switch 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.
6,, it is characterized in that indicator light circuit that the light network interface card mainly receives and send for+3.3 optic module interface, eeprom memory, designation data for 32 pci interface, voltage conversion circuit, supply power voltage 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, the power supply circuits that it is characterized in that 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 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, 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 is connected with the pin 18 of IP100A main control chip, and 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 21 of IP100A main control chip, with LED 2The resistance R of series connection 2Be connected on the pin 16 of IP100A 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 claim 2 or the 3 described all optical network 650nm information transmission systems 1Control circuit and optic module IP 2Control circuit is formed, and power-switching circuit comprises that the 220V alternating voltage converts to+the 5V dc voltage circuit, the optic module power supply processing circuit is connected+the 5V dc voltage output circuit on, optic module IP 1Control circuit and optic module IP 2Control circuit is 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 the plastic fiber 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.
CNU2005200692583U 2005-02-24 2005-02-24 Whole-optical network 650nm information transmission system Expired - Fee Related CN2770236Y (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908933A (en) * 2009-06-03 2010-12-08 上海邮迅通信发展有限公司 SYX POF (Plastic Optical Fiber) converting and access system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101908933A (en) * 2009-06-03 2010-12-08 上海邮迅通信发展有限公司 SYX POF (Plastic Optical Fiber) converting and access system

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