CN1901413A - Full light net 650 nm information transmission system - Google Patents
Full light net 650 nm information transmission system Download PDFInfo
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- CN1901413A CN1901413A CNA2005100411743A CN200510041174A CN1901413A CN 1901413 A CN1901413 A CN 1901413A CN A2005100411743 A CNA2005100411743 A CN A2005100411743A CN 200510041174 A CN200510041174 A CN 200510041174A CN 1901413 A CN1901413 A CN 1901413A
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Abstract
This invention relates to a total optical network 650nm information transmission system, especially to a user terminal device of optical networks composed of a wave length converter converting 1550nm, 1310nm or 850nm quartz fiber signals to 650nm plastic fiber signals, a light exchanger and an optical network card, in which, the wave length converter, the optical exchanger and the card are connected by a T-R module of 100Mbps plastic optical fibers, in which, the transmission and exchange of optical information flows in the networks are in the form of light.
Description
Technical field
The present invention 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.
Summary of the invention
The object of the invention is to provide a kind of signal transmission fast, stable, the safe all optical network 650nm information transmission system for the terminal use.
The present invention mainly is made up of the wavelength shifter, optical switch, the light network interface card that 1550nm or 1310nm or 850nm silica fiber signal are converted to 650nm plastic fiber signal 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 present invention develops 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 present invention 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 present invention 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 present invention, 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.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+3.3 optic module interface circuit, eeprom memory, designation data for 32 pci interface circuit, voltage conversion circuit, supply power voltage by IP100A main control chip, the highway width that is connected with the IP100A main control chip,, main control chip forms for providing the 25MHz crystal oscillating circuit in clock source.
In the light network interface card power supply circuits of optic module interface circuit 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, LED2 are connected in parallel on pci interface+3.3V supply voltage output respectively, the resistance R 1 of connecting with LED 1 is connected on the pin 21 of IP100A main control chip, and the resistance R 2 of connecting with LED 2 is 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, the optic module power supply processing circuit, optic module IP1 control circuit and optic module IP2 control circuit are formed, 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 IP1 control circuit and optic module IP2 control circuit are connected to the output of corresponding optic module power supply processing circuit, and the input of optic module IP1 (RXI1+/RXI1-) is connected with input (RXI2+/RXI2-) with the output (TXO2+/TXO2-) of optic module IP2 respectively with output (TXO1+/TXO1-).
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.
The RJ45 interface circuit that promptly comprises the signal of telecommunication of the optical signal interface circuit of the light signal that is fit to the plastic fiber transmission and the transmission of suitable twisted-pair feeder, and the optical-electrical converter that 100Base-TX and 100Base-FX signal are changed.
Description of drawings
Fig. 1 is a fundamental diagram of the present invention;
Fig. 2 is one of the circuit theory diagrams of the plastic fiber module of wavelength shifter;
Fig. 3 be wavelength shifter the plastic fiber module circuit theory diagrams two;
Fig. 4 is one of the circuit theory diagrams of the silica fiber module of wavelength shifter;
Fig. 5 be wavelength shifter the silica fiber module circuit theory diagrams two;
Fig. 6 is the optical repeater circuit theory diagrams;
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 is the display circuit schematic diagram of optical switch;
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 be the light network interface card circuit theory diagrams three;
Figure 16 is the optical transceiver module complete schematic;
Figure 17 is the optical transmission module fundamental diagram;
Figure 18 is the Optical Receivers fundamental diagram;
Figure 19 is one of RJ45 interface circuit schematic diagram of optoelectronic transceiver module;
Figure 20 be optoelectronic transceiver module RJ45 interface circuit schematic diagram two;
The optical signal interface circuit theory diagrams of this optoelectronic transceiver module of Figure 21.
Specific embodiment
As shown in Figure 1, the present invention is connected by the plastic fiber sending and receiving module of 100Mbps successively by the wavelength shifter, optical repeater, optical switch, optical repeater, the light network interface card that 1550nm or 1310nm or 850nm silica fiber signal are converted to 650nm plastic fiber signal respectively, and the operation wavelength of plastics sending and receiving module is 650nm.Electrical signal conversion after plastic fiber light sending and receiving 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.
As Fig. 2,3,4, shown in 5, wavelength shifter mainly is made up of silica fiber module and plastic fiber module, the main control chip D1 of two optic modules, D3 is DM9331A, the TXEN end of the main control chip D3 of plastic fiber module is connected with the RXDV end of silica fiber module main control chip D1, the RXDV end of plastic fiber mould main control chip D3 is connected with the TXEN end of silica fiber module main control chip D1, that is: the pin 21 of plastic fiber module main control chip D3 is connected with silica fiber module main control chip D1 pin 37, and the pin 37 of plastic fiber mould main control chip D3 is connected with silica fiber module main control chip D1 pin 21.The pin 20 of plastic fiber module main control chip D3 is connected with silica fiber module main control chip D1 pin 29, the pin 19 of plastic fiber module main control chip D3 is connected with silica fiber module main control chip D1 pin 28, the pin 28 of plastic fiber module main control chip D3 is connected with silica fiber module main control chip D1 pin 18, the pin 29 of plastic fiber module main control chip D3 is connected with silica fiber module main control chip D1 pin 19, the pin 17 of silica fiber module main control chip D1 is connected with the pin 26 of plastic fiber module main control chip D3, the pin 20 of D1 is connected with the pin 29 of D3, the pin 24 of D1 is connected with the pin 24 of D3, the pin 25 of D1 is connected with the pin 25 of D3, the pin 26 of D1 is connected with the pin 17 of D3, and the pin 40 of D1 is connected with the pin 40 of D3.
FXRD end (being pin 3, pin 4), the FXTD end (being pin 7, pin 8) of two main control chip D1, D3 are connected with outside line respectively.The OSCIN end of two main control chip D1, D3, promptly pin 43 all is connected the crystal oscillating circuit output of 50MHz.
The plastic fiber module mainly is made up of main control chip D3, the optical module power supply circuits that are connected with main control chip D1, optical module direction transducer, half full duplex change-over circuit, indicator light circuit, plastic fiber interface circuit.
The silica fiber module comprises main control chip D1, the voltage conversion circuit that is connected with main control chip D1, half full duplex change-over circuit, indicator light circuit, silica fiber interface circuit and 50MHz crystal oscillating circuit.Voltage conversion circuit has: the 220V alternating voltage transfers to+the 5V dc voltage circuit and+the 5V direct voltage transfers to+the 2.5V dc voltage circuit.
As shown in Figure 6, 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
1Control circuit and optic module IP
2Control circuit is made up of analog integrated circuit N1, N2 and peripheral circuit respectively.Analog integrated circuit N1, N2 are the TODX2404 analog integrated circuit.
The pin 1 of analog integrated circuit N1, N2, pin 9, pin 11,12,13,14 be ground connection respectively, and 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.The pin 8 of analog integrated circuit N1 is connected with the pin 3 of analog integrated circuit N2, and the pin 9 of analog integrated circuit N1 is connected with the pin 2 of analog integrated circuit N2.
Connect resistance R between the pin 2 of analog integrated circuit N1 and the pin 1
1, connect resistance R between pin 3 and the pin 1
2, the pin 6 of analog integrated circuit N1 passes 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
Connect resistance R between the pin 2 of analog integrated circuit N2 and the pin 1
11, connect resistance R between pin 3 and the pin 1
13, the pin 6 of analog integrated circuit N2 passes through inductance L
11Be connected inductance L with+5V dc voltage output end
11Two ends also connect capacitor C respectively
11With capacitor C 1
2, capacitor C 1
1And C1
2The 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. 7 to 12, optical switch is made up of power supply circuits, main control chip KS8999_208, 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 MIC29302BT 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 integrated circuit TODX2402 and auxiliary circuit respectively.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 1 interface circuit, pin 2 passes through capacitor C
1Connect the pin 196 of main control chip KS8999_208, pin 3 passes through capacitor C
2Connect the pin 197 of main control chip KS8999_208, pin 4 passes through resistance R
8, transistor V
1, V
2, resistance R
9, R
10, R
11, R
12, R
13Be connected with the pin 190 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT1, and pin 8 passes through capacitor C
4Connect the pin 200 of main control chip KS8999_208, pin 9 passes through capacitor C
3Connect the pin 199 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 2 interface circuits, pin 2 passes through capacitor C
7Connect the pin 206 of main control chip KS8999_208, pin 3 passes through capacitor C
8Connect the pin 207 of main control chip KS8999_208, pin 4 passes through resistance R
21, transistor V
3, V
4, resistance R
22, R
23, R
24, R
25, R
26Be connected with the pin 191 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT2, and pin 8 passes through capacitor C
6Connect the pin 204 of main control chip KS8999_208, pin 9 passes through capacitor C
5Connect the pin 203 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 3 interface circuits, pin 2 passes through capacitor C
9Connect the pin 5 of main control chip KS8999_208, pin 3 passes through capacitor C
10Connect the pin 6 of main control chip KS8999_208, pin 4 passes through resistance R
34, transistor V
5, V
6, resistance R
35, R
36, R
37, R
38, R
39Be connected with the pin 192 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT3, and pin 8 passes through capacitor C
12Connect the pin 10 of main control chip KS8999_208, pin 9 passes through capacitor C
11Connect the pin 9 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 4 interface circuits, pin 2 passes through capacitor C
15Connect the pin 22 of main control chip KS8999_208, pin 3 passes through capacitor C
6Connect the pin 23 of main control chip KS8999_208, pin 4 passes through resistance R
47, transistor V
7, V
8, resistance R
48, R
49, R
50, R
51, R
52Be connected with the pin 193 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT4, and pin 8 passes through capacitor C
14Connect the pin 20 of main control chip KS8999_208, pin 9 passes through capacitor C
13Connect the pin 19 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 5 interface circuits, pin 2 passes through capacitor C
17Connect the pin 30 of main control chip KS8999_208, pin 3 passes through capacitor C
18Connect the pin 31 of main control chip KS8999_208, pin 4 passes through resistance R
60, transistor V
9, V
10, resistance R
61, R
62, R
63, R
64, R
65Be connected with the pin 68 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT5, and pin 8 passes through capacitor C
20Connect the pin 34 of main control chip KS8999_208, pin 9 passes through capacitor C
19Connect the pin 33 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 6 interface circuits, pin 2 passes through capacitor C
23Connect the pin 47 of main control chip KS8999_208, pin 3 passes through capacitor C
24Connect the pin 48 of main control chip KS8999_208, pin 4 passes through resistance R
73, transistor V
11, V
12, resistance R
74, R
75, R
76, R
77, R
78Be connected with the pin 69 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT6, and pin 8 passes through capacitor C
22Connect the pin 44 of main control chip KS8999_208, pin 9 passes through capacitor C
21Connect the pin 43 of main control chip KS8999_208.
Integrated circuit TODX2402 pin 1 and pin 11 in plastic fiber 7 interface circuits, 12,13,14 ground connection, pin 2 connects the pin 54 of main control chip KS8999_208 by capacitor C 25, pin 3 connects the pin 55 of main control chip KS8999_208 by capacitor C 26, pin 4 is by resistance R 86, transistor V13, V14, resistance R 87, R88, R89, R90, R91 is connected with the pin 70 of main control chip KS8999_208, pin 5, pin 7 connects+the 3.3V dc voltage power supply, pin 6 meets VCCT7, pin 8 connects the pin 58 of main control chip KS8999_208 by capacitor C 28, and pin 9 connects the pin 57 of main control chip KS899_2089 by capacitor C 27.
Integrated circuit TODX2402 pin 1 and pin 11,12,13,14 ground connection in plastic fiber 8 interface circuits, pin 2 passes through capacitor C
31Connect the pin 64 of main control chip KS8999_208, pin 3 passes through capacitor C
32Connect the pin 65 of main control chip KS8999_208, pin 4 passes through resistance R
99, transistor V
15, V
16, resistance R
100, R
101, R
102, R
103, R
104Be connected with the pin 71 of main control chip KS8999_208, pin 5, pin 7 connect+the 3.3V dc voltage power supply, and pin 6 meets VCCT8, and pin 8 passes through capacitor C
30Connect the pin 62 of main control chip KS8999_208, pin 9 passes through capacitor C
29Connect the pin 61 of main control chip KS8999_208.
Above-mentioned transistor V
1, V
2, V
3, V
4, V
5, V
6, V
7, V
8, V
9, V
10, V
11, V
12, V
13, V
14, V
15, V
16Be 9013SMD (SOT23) transistor.
The 25MHz crystal oscillating circuit is connected on the pin 176 and pin 177 of main control chip KS8999_208.
Connector XP1, XP2 among Figure 12 is flat cable socket FC20P, and V1-32 is a green LED, and V33 is a red light emitting diodes.
Shown in Figure 13,14,15, the voltage conversion circuit of light network interface card 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 16, 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. RXVCC; The 6th pin is output module power supply, i.e. TXVCC; The 7th pin and the 8th pin are the output signal pin, use respectively RD and/RD represents; The 9th pin is TXVEE, directly ground connection.
As shown in figure 17, 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 18, 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.
Shown in Figure 19,20,21,
Shown in Figure 19,20, 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.
As shown in figure 21, 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 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.
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 (10)
1, all optical network 650nm information transmission system, it is characterized in that mainly by becoming wavelength shifter, optical switch, the light network interface card of 650nm plastic fiber signal to form 1550nm or 1310nm or 850nm silica fiber conversion of signals, 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 circuit, eeprom memory, designation data for 32 pci interface circuit, voltage conversion circuit, supply power voltage by IP100A main control chip, the highway width that is connected with the IP100A main control chip, form for main control chip provides the 25MHz crystal oscillating circuit in clock source 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 circuit 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 claim 1 or the 2 or 3 described all optical network 650nm information transmission systems, 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.
10, according to the described all optical network 650nm of claim 9 information transmission system, it is characterized in that plastic fiber sending and receiving module comprises the RJ45 interface circuit of the signal of telecommunication of the optical signal interface circuit of the light signal that is fit to the plastic fiber transmission and the transmission of suitable twisted-pair feeder, and the optical-electrical converter that 100Base-TX and 100Base-FX signal are changed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100411743A CN1901413A (en) | 2005-07-20 | 2005-07-20 | Full light net 650 nm information transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100411743A CN1901413A (en) | 2005-07-20 | 2005-07-20 | Full light net 650 nm information transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1901413A true CN1901413A (en) | 2007-01-24 |
Family
ID=37657177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100411743A Pending CN1901413A (en) | 2005-07-20 | 2005-07-20 | Full light net 650 nm information transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1901413A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113347105A (en) * | 2021-05-14 | 2021-09-03 | 翁德喜 | High polymer optical fiber router |
| CN113544984A (en) * | 2019-07-26 | 2021-10-22 | 京瓷株式会社 | Optical fiber power supply system |
| CN113965262A (en) * | 2021-09-10 | 2022-01-21 | 飞昂创新科技南通有限公司 | Network cable |
-
2005
- 2005-07-20 CN CNA2005100411743A patent/CN1901413A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113544984A (en) * | 2019-07-26 | 2021-10-22 | 京瓷株式会社 | Optical fiber power supply system |
| CN113544984B (en) * | 2019-07-26 | 2023-10-13 | 京瓷株式会社 | Optical fiber power supply system |
| CN113347105A (en) * | 2021-05-14 | 2021-09-03 | 翁德喜 | High polymer optical fiber router |
| CN113965262A (en) * | 2021-09-10 | 2022-01-21 | 飞昂创新科技南通有限公司 | Network cable |
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