CN1547349A - Optical network card based on PCI bus and plastic optical fibre - Google Patents
Optical network card based on PCI bus and plastic optical fibre Download PDFInfo
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- CN1547349A CN1547349A CNA2003101144670A CN200310114467A CN1547349A CN 1547349 A CN1547349 A CN 1547349A CN A2003101144670 A CNA2003101144670 A CN A2003101144670A CN 200310114467 A CN200310114467 A CN 200310114467A CN 1547349 A CN1547349 A CN 1547349A
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Abstract
The invention is a kind of optical network card based on PCI bus and the plastic fiber, the character lies in: it includes a converting unit and a TX/FX function converting unit connected to the converting unit and network function unit and network connecting inserting plate connected to the PCI bus in computer. The converting unit includes photoelectric conversion and electro-optic conversion two parts; the photoelectric conversion part converts the plastic fiber signal received by the receiving model into PECL level interface through the chip, the electro-optic converts the PECL level signal in the PECL level interface into plastic fiber signal and transmit them to the transmitting model; the TX/FX converting function unit includes TX/FX media converting chip, and the state instructing lights and the isolated transformer, the invention is compact and reasonable, stable and reliable, it not only reduces the cost, but also realizes the full gloss transmission of the network.
Description
Technical field
The present invention relates to the optical network communication technology, is a kind of light network interface card based on pci bus and plastic fiber specifically.
Technical background
Optical fiber has obtained extensive use already in long haul communication now, and the utilization of optical fiber is at present also seldom in communication in short distance such as family, in the vehicles, in office block and the office and the multimedia transmission.But rapid expansion along with multimedia services such as INTENRET data communication, video request program, video telephone, video conferences, broadband, high speed to physical network are had higher requirement, make that Fiber to the home and the transmission network of fiber to the desk progressively replaces existing photoelectricity mixed form and becomes optimal transmission network, for the user provides the information service of broadband high-speed, thereby promoted the continuous development of full light switching technology.In full optical switching network, concerning silica fiber, transmission bandwidth and electromagnetic compatibility can satisfy instructions for use fully, and network technology is very ripe, but welding and device cost height make it be restricted as inserting the media main force.Therefore present " last kilometer " solution, i.e. the still copper cash of network access user great majority employing, promptly common netting twine, the network interface card in the computer also are based on the common network interface card of electrical signal conversion.If satisfy the requirements at the higher level of user to future network, need drop into very high research fund for overcoming electromagnetic interference, information privacy, expansion bandwidth, the transmission rate that improves, assurance transmission range etc., also because of using expensive complicated electronic installation to become very high, synthesized competitiveness reduces use cost.And plastic fiber cost in the transmission of high speed short haul connection is also suitable with symmetrical cable, transmission bandwidth can reach several GHz in 100 meters scopes, and easily connect, pliability is good, be easy to advantages such as bending, although its systematic function also is in research or uses initial stage at present, but its advantage on price and performance makes its application in network is photochemical entirely have broad application prospect.
Ripe based on the network interface card of pci bus at present, but it can only receive the signal of telecommunication, and common way is to add an optical transceiver between computer and fiber-optic signal, as shown in Figure 1.The light signal that sends from other optical communication equipment 1, through plastic fiber 2 transmission, enter optical transceiver 3, optical transceiver 3 changes light signal into the signal of telecommunication, output to common netting twine 4 by RJ45 connector, be transferred to the network interface card 5 in the computer 6, change network signal into the signal of telecommunication that computer can receive by network interface card; Otherwise still.Obviously the optical transceiver of prior art is external, occupy space and needs and manage separately, and its two ends is connected with netting twine and optical fiber, makes troubles and has increased the installation administration expense to the user.
Summary of the invention
Purpose of the present invention is exactly the deficiency that overcomes prior art, an integrated smooth network interface card of computer based on pci bus and plastic fiber is provided, it can directly be inserted in the interior pci bus slot of computer also can directly connect other plastic fiber equipment, realize the full optical transmission of network.
Technical program of the present invention lies in, common network interface card increased by an optical transceiver that can only be connected with the plastic fiber signal and all be integrated on the circuit board and form a light network interface card, thereby can directly connect the pci bus slot in plastic fiber and the insertion computer, realize the integral structure of plastic fiber and computer.Therefore, the TX/FX translation function unit that the present invention includes converting unit and be connected, network interface card functional unit and the net connection plate that is connected with the pci bus of computer, the physical circuit of these unit all designs on same circuit board, and can place in the existing pci bus slot of existing computer.
Implement the present invention the plastic fiber signal is directly inserted in the computer, owing to do not need independent power supply and external device, not only compact conformation is reasonable, has reduced production cost, and has improved reliability, has also saved extra installation and maintenance expense.
Description of drawings
Fig. 1 is separate type optical transceiver and the computer networking schematic diagram that adopts usually at present
The networking schematic diagram of Fig. 2 smooth network interface card of the present invention
Fig. 3 is main assembly of the present invention and annexation schematic diagram thereof
Fig. 4 is a general structure schematic diagram of the present invention
Fig. 5 is the conversion unit circuit connection layout
Fig. 6 is TX/FX media conversion chip and circuit connection diagram thereof
1 other optical communication equipment wherein, 2 plastic fibers, 3 optical transceivers, 4 common netting twines, 5 network interface cards, 6 computers, 7 power supplys, 8 smooth network interface cards, 9 converting units, 10TX/FX translation function unit, 11 network interface card functional units, 12 plates, 13 receiver modules, 14 transmitter modules, 15 photoelectric switching circuits, 16 electro-optical conversion circuits, 17PECL electric level interface, 18 status indicator lamps, 19TX/FX media conversion chip, 20 isolating transformers.
Embodiment
The invention provides a kind of light network interface card that plastic fiber equipment can directly be connected with computer, its networking schematic diagram as shown in Figure 2.Can find out its difference with the prior art from the contrast of Fig. 1 and Fig. 2, in Fig. 2, light network interface card 8 can directly be inserted in the pci bus slot in the computer 6.
The present invention includes converting unit 9 and reach the net connection plate 12 that is connected with pci bus slot in the computer 6 with network interface card functional unit 11 with the TX/FX translation function unit 10 that is connected.Its main assembly and annexation schematic diagram thereof as shown in Figure 3, the general structure schematic diagram is as shown in Figure 4.Above-mentioned each unit all concentrates on the circuit board
Wherein converting unit 9, to change between plastic fiber signal and the PECL level, this element mainly comprises opto-electronic conversion and electric light conversion two parts, photoelectric conversion section is in receiver module 13 the plastic fiber signal that receives to be converted into PECL electric level interface 17 by photoelectric switching circuit 15, that the chip in the photoelectric switching circuit 15 in the present embodiment adopts is MC10H116, corresponding circuit is shown in photoelectric switching circuit among Fig. 5 15, wherein the Vcc1 pin of this chip and Vcc2 pin are connected to 5 pin in the PECL electric level interface 17, and the Vbb pin is received on the power supply VBB; Power supply VBB is+the 5V power supply, by the filtering of C6 ground connection; VBB receives among the chip MC10H116/the Cin pin by R14, receives on the Aout pin by C8 again; VBB is by R14, R16 receives/the Cout pin on; VBB receives on the Cin pin by R15; VBB is by R15, and R17 receives on the Cout pin; VBB is by R15, C7 receives/the Aout pin on; VBB receives on the Bin pin by R13; VBB by R12 receive/the Bin pin on; Power supply+3V receives on Ain pin and the Bout pin by R10; + 3V by R11 receive/the Ain pin and/the Bout pin on; + 3V respectively by R18 receive/the Aout pin on, receive on the Aout pin by R19; Vee pin ground connection, two NC pin can be unsettled; / Cout pin is received 2 pin in the PECL electric level interface 17, and the Cout pin is received 3 pin in the PECL electric level interface 17.The SIGNAL pin of receiver module 13 is received by the C3 pin on the Bin pin of chip MC10H116 in the drawings, GND pin by C4 receive/the Bin pin on, another GND pin ground connection, the VCC pin by R9 and C4 receive chip MC10H116 /the Bin pin on, two G pin ground connection; 1 pin ground connection of PECL electric level interface 17,4 pin can be unsettled, and 5 pin also pass through R8, C2 ground connection by C5 ground connection.
The electric light conversion portion is to be converted into the plastic fiber signal via the PECL level signal in the PECL electric level interface 17 by electro-optical conversion circuit 16 to send to transmitter module 14, what electro-optical conversion circuit 16 adopted in the present embodiment is by two high speed PNP pipe Q1, difference channel and chip 74ACT00 that Q2 forms, corresponding circuit diagram is shown in electro-optical conversion circuit among Fig. 5 16, wherein the base stage of Q1 is connected to 7 pin of PECL electric level interface 17, the base stage of Q2 is connected to 8 pin of PECL electric level interface 17, the emitter of two pipes is by resistance R 2, R3 ground connection, the emitter of Q2 is connected to the B1 pin of chip 74ACT00, Q1, the collector electrode of the Q2 composition difference channel that connects together, and receive 6 pin in the PECL electric level interface 17 and the ANODE pin in the transmitter module 14 by resistance R 1; The A1 of chip 74ACT00, A2, VCC, A3, each pin of A4 connect together and receive ANODE pin in the transmitter module 14, C1, B2, B3, each pin of B4 connects together, C2, C3, each pin of C4 connect together and pass through Q3, two resistance R 4 in parallel, R5 is connected to the CATHODE pin in the transmitter module 14, GND pin ground connection; CATHODE pin in the transmitter module 14 is by resistance R 6, and capacitor C 1 is connected to the C4 pin of chip 74ACT00 but also will receives ground by resistance R 7, and G pin and GND pin are all received ground; 9 pin in the PECL electric level interface 17 are also wanted ground connection;
The conversion between the PECL electric level interface and the network signal of telecommunication is realized in the TX/FX translation function unit 10 that is used for the media conversion of TX/FX.TX/FX translation function unit 10 comprises TX/FX media conversion chip 19, and the status indicator lamp 18 and the isolating transformer 20 that connect.Status indicator lamp can adopt various Light-Emitting Diodes, the various states that indication network connects.And what TX/FX media conversion chip 19 adopted is DM9301 or the device with similar functions, corresponding circuit as shown in Figure 6, this chip is connected to network interface card functional unit 11 by isolating transformer 14, and stretch out below light network interface card 8 by the network interface card interface board 18 that is connected with network interface card functional unit 11, can directly be inserted in the computer peripheral equipment pci bus slot.The OSC/X1 pin of TX/FX media conversion chip 19 and X2 pin meet OSC1 in the drawings, C9, the oscillating circuit that C10 forms, the RESET# pin meets VCC, R20, the reset circuit that C11 forms, BGREF pin and BGRET pin connect together by resistance R 21, TPRXI+, TPRXI-, TPTXO+, each pin of TPTXO-is connected on the isolating transformer 20, PECLTXO+, PECLTXO-, PECLRXI+, each pin of PECLRXI-is linked 8 pin of PECL electric level interface 17 respectively, 7 pin, 2 pin and 3 pin, PECLSD+, the PECLSD-pin is connected in the resistor network that R22～R27 forms, FXERRLED, FXRCVLED, FXLNKLED, TXLNKLED, TXRCVLED, each pin of TXERRLED is connected to status indicator lamp 18, AVCC wherein, the DVCC pin meets direct current+5V power supply, AGND, DGND, OSC/XTL#, HLTNOLNK, TXALPBK, FXALPBK, TPEN1, MUXCTL1, MUXCTL0, BPSCRAM, FRCFXSD, TXD0～TXD4, TESTMODE, TRIDRV, TPMUX, TPI0～TPI3, CONFIGA, CONFIGB, FXDLPBK, each pin ground connection of TXDLPBK.Will in addition necessary filter circuit between all power supplys and ground.
Because what at present the peripheral bus of web server computer adopted mostly is pci bus interface, the network interface card functional unit 11 among the present invention adopts is the circuit chip of the PCI network interface card that can be connected with PCI peripheral bus slot; As RTL8139, what its network connected plate 12 employings is PCI network interface card interface board.What be that common network interface card circuit of the present invention and network interface card interface board adopt respectively is existing PCI network interface card circuit and PCI network interface card interface board.
Obviously, the compact and reasonable of the present invention of constructing thus, reliable and stable, not only reduce production costs, and can realize the full optical transmission of network.
Claims (4)
1, a kind of light network interface card based on pci bus and plastic fiber is characterized in that it comprises that converting unit (9) reaches the net connection plate (12) that is connected with pci bus slot in the computer (6) with the TX/FX translation function unit (10) that is connected with network interface card functional unit (11).
2, converting unit (9) comprises opto-electronic conversion and electric light conversion two parts, photoelectric conversion section is in receiver module (13) the plastic fiber signal that receives to be converted into PECL electric level interface (17) by chip (MC1OH116), and the electric light conversion portion is to be converted into the plastic fiber signal by the PECL level signal in the PECL electric level interface (17) by electro-optical conversion circuit (16) to send to transmitter module (14).
3, smooth network interface card as claimed in claim 1 is characterized in that the TX/FX translation function unit (10) of the media conversion of the above-mentioned TX/FX of being used for comprising TX/FX media conversion chip (19), and the status indicator lamp (18) and the isolating transformer (20) that connect.
4, smooth network interface card as claimed in claim 1 is characterized in that the device that above-mentioned TX/FX media conversion chip (19) can adopt DM9301 or have similar functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101144670A CN1547349A (en) | 2003-12-12 | 2003-12-12 | Optical network card based on PCI bus and plastic optical fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101144670A CN1547349A (en) | 2003-12-12 | 2003-12-12 | Optical network card based on PCI bus and plastic optical fibre |
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| Publication Number | Publication Date |
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| CN1547349A true CN1547349A (en) | 2004-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2003101144670A Pending CN1547349A (en) | 2003-12-12 | 2003-12-12 | Optical network card based on PCI bus and plastic optical fibre |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007068182A1 (en) * | 2005-12-16 | 2007-06-21 | Guilan Qiao | 650nm plastic optical fiber transmission system |
| CN100365539C (en) * | 2005-12-16 | 2008-01-30 | 乔桂兰 | Optical net card for 650 nm plastic fibre-optical transmission system |
| 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 |
| CN102833005A (en) * | 2012-09-04 | 2012-12-19 | 安徽宏实光机电高科有限公司 | Plastic optical fiber optical transceiver for industrial control bus system |
| CN101136702B (en) * | 2006-11-06 | 2013-03-20 | 广州智能科技发展有限公司 | Single fiber single wavelength multifunctional optical fiber telephone |
| CN104348550A (en) * | 2013-07-30 | 2015-02-11 | 波音公司 | Plastic optical fiber bus network |
-
2003
- 2003-12-12 CN CNA2003101144670A patent/CN1547349A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007068182A1 (en) * | 2005-12-16 | 2007-06-21 | Guilan Qiao | 650nm plastic optical fiber transmission system |
| CN100365539C (en) * | 2005-12-16 | 2008-01-30 | 乔桂兰 | Optical net card for 650 nm plastic fibre-optical transmission system |
| CN101136702B (en) * | 2006-11-06 | 2013-03-20 | 广州智能科技发展有限公司 | Single fiber single wavelength multifunctional optical fiber telephone |
| 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 |
| CN102833005A (en) * | 2012-09-04 | 2012-12-19 | 安徽宏实光机电高科有限公司 | Plastic optical fiber optical transceiver for industrial control bus system |
| CN104348550A (en) * | 2013-07-30 | 2015-02-11 | 波音公司 | Plastic optical fiber bus network |
| CN104348550B (en) * | 2013-07-30 | 2019-04-05 | 波音公司 | Plastic optical fiber bus network |
| US10564357B2 (en) | 2013-07-30 | 2020-02-18 | The Boeing Company | Plastic optical fiber bus network using tapered mixing rods |
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