CN204145507U - A kind of Ethernet optical repeater - Google Patents
A kind of Ethernet optical repeater Download PDFInfo
- Publication number
- CN204145507U CN204145507U CN201420638587.4U CN201420638587U CN204145507U CN 204145507 U CN204145507 U CN 204145507U CN 201420638587 U CN201420638587 U CN 201420638587U CN 204145507 U CN204145507 U CN 204145507U
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- filter capacitor
- photoelectric conversion
- module
- conversion chip
- optical repeater
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Abstract
The utility model relates to signal transmission apparatus technical field, especially a kind of Ethernet optical repeater.It comprises power module, RJ45 interface module, light transceiving integrated module, photoelectric conversion chip and electrical interface module, and photoelectric conversion chip is connected with power module respectively with light transceiving integrated module; Light transceiving integrated module light signal is converted to differential current signal and AC coupled to photoelectric conversion chip, differential current signal is converted to the signal of telecommunication being applicable to Double-strand transmission by photoelectric conversion chip, export RJ45 interface module after the signal of telecommunication that photoelectric conversion chip exports by electrical interface module carries out low-pass filtering, power module is respectively photoelectric conversion chip and light transceiving integrated module provides power supply.The utility model utilizes the composition of system configuration, greatly improves the antijamming capability of transponder, ensure that stability and the reliability of system, is beneficial to the transmission range expanding local area network (LAN); Its system configuration is simple, easy to use, with low cost, has very strong practicality.
Description
Technical field
The utility model relates to signal transmission apparatus technical field, especially a kind of Ethernet optical repeater.
Background technology
Optical repeater (also known as photoelectricity transponder), it is the Ethernet transmission medium converting unit that a kind of light signal by short-range twisted pair telecommunications number and long distance carries out changing, its appearance achieves to be changed with light signal mutually by twisted pair telecommunications number, ensure that packet transmits between the two networks swimmingly, simultaneously from copper cash 100 meters of the transmission range limit of network expand to 100 kilometers (monomode fibers) by it.
But optical repeater on the market at present, is especially applied to optical repeater on Ethernet but weak, the stability of ubiquity antijamming capability and the problems such as poor compatibility, use and maintenance inconvenience, the serious promotion and application limiting optical repeater.Therefore, be necessary to propose improvement project to existing optical repeater.
Utility model content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide that a kind of system configuration is simple, antijamming capability strong, stable performance, use and maintenance Ethernet optical repeater easily.
To achieve these goals, the utility model adopts following technical scheme:
A kind of Ethernet optical repeater, the RJ45 interface module that it comprises power module, be connected with lan device by twisted-pair feeder and the light transceiving integrated module be connected with adjacent fiber transceiver by optical fiber, it also comprises be linked in sequence photoelectric conversion chip between light transceiving integrated module and RJ45 interface module and electrical interface module, and described photoelectric conversion chip is connected with power module respectively with light transceiving integrated module;
Described light transceiving integrated module light signal is converted to differential current signal and AC coupled to photoelectric conversion chip, differential current signal is converted to the signal of telecommunication being applicable to Double-strand transmission by described photoelectric conversion chip, export RJ45 interface module after the signal of telecommunication that photoelectric conversion chip exports by described electrical interface module carries out low-pass filtering, described power module is respectively photoelectric conversion chip and light transceiving integrated module provides power supply.
Preferably, described photoelectric conversion chip comprises a ML4664 cake core, described light transceiving integrated module comprises a PT7311 cake core, the RD pin of described PT7311 cake core respectively by the first capacitance and the second capacitance and ML4664 cake core OPINP pin and OPINN pin is corresponding is connected.
Preferably, it also comprises the state indicator module for judging network failure, and described state indicator module is connected with photoelectric conversion chip.
Preferably, described electrical interface module comprises a SF1301 cake core.
Preferably, the digital power unit that described power module comprises power supervisor, power respectively to photoelectric conversion chip and analog power unit, respectively to the reception power subsystem of light transceiving integrated module for power supply and out-put supply unit, described digital power unit is connected with power supervisor, described out-put supply unit and analog power unit are connected to the output of digital power unit, and described reception power subsystem is connected to the output of analog power unit.
Preferably, described digital power unit comprises the first filter capacitor, the second filter capacitor, the 3rd filter capacitor, the first inductance and the second inductance, described first filter capacitor is connected with power supervisor, described second filter capacitor is parallel to the two ends of the first filter capacitor, and the two ends of described 3rd filter capacitor are connected to the two ends of the second filter capacitor respectively by the first inductance and the second inductance.
Preferably, described digital power unit also comprises the first non-electrolytic capacitor and the second non-electrolytic capacitor, and described first non-electrolytic capacitor and the second non-electrolytic capacitor are parallel to the two ends of the first filter capacitor respectively.
Preferably, described analog power unit comprises the 4th filter capacitor, the 5th filter capacitor, the 3rd inductance and the 4th inductance, described 4th filter capacitor is parallel to the two ends of the 3rd filter capacitor, and the two ends of described 4th filter capacitor are connected to the two ends of the 5th filter capacitor respectively by the 3rd inductance and the 4th inductance.
Preferably, described analog power unit also comprises the 3rd non-electrolytic capacitor, the 4th non-electrolytic capacitor and the 5th non-electrolytic capacitor, described 3rd non-electrolytic capacitor and the 4th non-electrolytic capacitor are all parallel to the two ends of the 4th filter capacitor, and described 5th non-electrolytic capacitor is parallel to the two ends of the 5th filter capacitor.
Owing to have employed such scheme, the utility model utilizes the composition of system configuration, greatly improves the antijamming capability of transponder, ensure that stability and the reliability of system, is beneficial to the transmission range expanding local area network (LAN); Its system configuration is simple, easy to use, with low cost, has very strong practicality and market popularization value.
Accompanying drawing explanation
Fig. 1 is the system principle diagram figure of the utility model embodiment;
Fig. 2 is the electrical block diagram of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As depicted in figs. 1 and 2, a kind of Ethernet optical repeater that the present embodiment provides, the RJ45 interface module 2 that it comprises power module 1, be connected with lan device A (as PC or switch) by twisted-pair feeder and the light transceiving integrated module 3 be connected with adjacent fiber transceiver B by optical fiber, it also comprises be linked in sequence photoelectric conversion chip 4 between light transceiving integrated module 3 and RJ45 interface module 2 and electrical interface module 5, and photoelectric conversion chip 4 is also connected with power module 1 respectively with light transceiving integrated module 3; So, utilize light transceiving integrated module 3 light signal that fiber optical transceiver B sends can be converted to differential current signal and export photoelectric conversion chip 4 to the form of AC coupled, differential current signal is converted to the signal of telecommunication being applicable to Double-strand transmission by photoelectric conversion chip 4, RJ45 interface module 2 is exported after the signal of telecommunication that photoelectric conversion chip 4 exports by electrical interface module 5 carries out low-pass filtering, thus being sent to lan device A eventually through twisted-pair feeder, power module 1 is then respectively photoelectric conversion chip 4 and light transceiving integrated module 3 provides operating voltage.On the contrary, the signal of telecommunication exported by lan device A by above-mentioned parts after filtering, the signal of telecommunication---light signal converting transmission is to fiber optical transceiver B.The distance of local network transport can be expanded by said structure, and strengthen the interference free performance of whole transponder by the cooperation between each building block, improve stability and reliability.
For optimizing the system configuration of whole transponder further, and ensure its service behaviour, reduction cost, the photoelectric conversion chip 4 of the present embodiment comprises a ML4664 cake core U1, light transceiving integrated module 3 comprises a PT7311 cake core TR1, simultaneously PT7311 cake core TR1 RD pin respectively by the first capacitance C27 and the second capacitance C28 and ML4664 cake core U1 OPINP pin and OPINN pin is corresponding is connected.So, the AC coupled between photoelectric conversion chip 4 and light transceiving integrated module 3 can be realized by the first capacitance C27 and the second capacitance C28; Meanwhile, DC level between the two can be isolated, make photoelectric conversion chip 4 can adopt different DC level bias schemes from light transceiving integrated module 3, be convenient to be optimized process to whole system.
For evading the awkward drawback of existing photoelectricity transponder, the transponder of the present embodiment also comprises the state indicator module 6 for judging network failure accurately, easily for user, and state indicator module 6 is connected with photoelectric conversion chip 4; Its circuit structure can be made up of several light-emitting diodes and current-limiting resistance.Meanwhile, for improving the filter effect to the signal of telecommunication of system, strengthen the antijamming capability of whole transponder system, the electrical interface module 5 of the present embodiment comprises a SF1301 cake core T1.
Due in electricity, the electromagnetic interference of power-supply system is mainly derived from the ripple interference of rectification circuit, the noise jamming of mains switch and the interference of power supply parasitic couplings, therefore for the transponder of the present embodiment, for reducing Switching Power Supply to the interference of whole system circuit, the digital power unit 1-1 improve the antijamming capability of whole system, the power module 1 of the present embodiment comprises power supervisor U2, powering respectively to photoelectric conversion chip 4 and analog power unit 1-2, the reception power subsystem 1-3 powered respectively to light transceiving integrated module 3 and out-put supply unit 1-4; Wherein, digital power unit 1-1 is connected with power supervisor U2, and out-put supply unit 1-4 and analog power unit 1-2 is connected to the output of digital power unit 1-1, receives the output that power subsystem 1-3 is connected to analog power unit 1-2.
For optimizing the circuit system structure of the transponder of the present embodiment to greatest extent, the digital power unit 1-1 of the present embodiment comprises the first filter capacitor C1, the second filter capacitor C2, the 3rd filter capacitor C3, the first inductance L 1 and the second inductance L 2; Wherein, the first filter capacitor C1 is connected with power supervisor U2, and the second filter capacitor C2 is parallel to the two ends of the first filter capacitor C1, and the two ends of the 3rd filter capacitor C3 are connected to the two ends of the second filter capacitor C2 respectively by the first inductance L 1 and the second inductance L 2.So, can form the structure that is similar to π shape filter circuit, can make system under the condition that loss direct voltage is very little, filtering parasitic couplings is disturbed.The first filter capacitor C1 of the present embodiment, the second filter capacitor C2, the 3rd filter capacitor C3 all can adopt tantalum electric capacity.
For the stray inductance produced in digital power unit 1-1 can be eliminated, the digital power unit 1-1 of the present embodiment also comprises the first non-electrolytic capacitor Cs1 and the second non-electrolytic capacitor Cs2, and the first non-electrolytic capacitor Cs1 and the second non-electrolytic capacitor Cs2 is parallel to the two ends of the first filter capacitor C1 respectively.
Based on the principle identical with digital power unit 1-1, the analog power unit 1-2 of the present embodiment comprises the 4th filter capacitor C4, the 5th filter capacitor C5, the 3rd inductance L 3 and the 4th inductance L 4; Wherein, the 4th filter capacitor C4 is parallel to the two ends of the 3rd filter capacitor C3, and the two ends of the 4th filter capacitor C4 are connected to the two ends of the 5th filter capacitor C5 respectively by the 3rd inductance L 3 and the 4th inductance L 4.Further, the analog power unit of the present embodiment also comprises the 3rd non-electrolytic capacitor Cs3, the 4th non-electrolytic capacitor Cs4 and the 5th non-electrolytic capacitor Cs5,3rd non-electrolytic capacitor Cs3 and the 4th non-electrolytic capacitor Cs4 is all parallel to the two ends of the 4th filter capacitor C4, and the 5th non-electrolytic capacitor Cs5 is parallel to the two ends of the 5th filter capacitor C5.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an Ethernet optical repeater, it is characterized in that: it comprises power module, the RJ45 interface module that is connected with lan device by twisted-pair feeder and the light transceiving integrated module be connected with adjacent fiber transceiver by optical fiber, it also comprises be linked in sequence photoelectric conversion chip between light transceiving integrated module and RJ45 interface module and electrical interface module, and described photoelectric conversion chip is connected with power module respectively with light transceiving integrated module;
Described light transceiving integrated module light signal is converted to differential current signal and AC coupled to photoelectric conversion chip, differential current signal is converted to the signal of telecommunication being applicable to Double-strand transmission by described photoelectric conversion chip, export RJ45 interface module after the signal of telecommunication that photoelectric conversion chip exports by described electrical interface module carries out low-pass filtering, described power module is respectively photoelectric conversion chip and light transceiving integrated module provides power supply.
2. a kind of Ethernet optical repeater as claimed in claim 1, it is characterized in that: described photoelectric conversion chip comprises a ML4664 cake core, described light transceiving integrated module comprises a PT7311 cake core, the RD pin of described PT7311 cake core respectively by the first capacitance and the second capacitance and ML4664 cake core OPINP pin and OPINN pin is corresponding is connected.
3. a kind of Ethernet optical repeater as claimed in claim 2, is characterized in that: it also comprises the state indicator module for judging network failure, and described state indicator module is connected with photoelectric conversion chip.
4. a kind of Ethernet optical repeater as claimed in claim 2, is characterized in that: described electrical interface module comprises a SF1301 cake core.
5. a kind of Ethernet optical repeater according to any one of claim 2-4, it is characterized in that: described power module comprises power supervisor, the digital power unit of powering respectively to photoelectric conversion chip and analog power unit, respectively to the reception power subsystem of light transceiving integrated module for power supply and out-put supply unit, described digital power unit is connected with power supervisor, described out-put supply unit and analog power unit are connected to the output of digital power unit, and described reception power subsystem is connected to the output of analog power unit.
6. a kind of Ethernet optical repeater as claimed in claim 5, it is characterized in that: described digital power unit comprises the first filter capacitor, the second filter capacitor, the 3rd filter capacitor, the first inductance and the second inductance, described first filter capacitor is connected with power supervisor, described second filter capacitor is parallel to the two ends of the first filter capacitor, and the two ends of described 3rd filter capacitor are connected to the two ends of the second filter capacitor respectively by the first inductance and the second inductance.
7. a kind of Ethernet optical repeater as claimed in claim 6, it is characterized in that: described digital power unit also comprises the first non-electrolytic capacitor and the second non-electrolytic capacitor, described first non-electrolytic capacitor and the second non-electrolytic capacitor are parallel to the two ends of the first filter capacitor respectively.
8. a kind of Ethernet optical repeater as claimed in claim 6, it is characterized in that: described analog power unit comprises the 4th filter capacitor, the 5th filter capacitor, the 3rd inductance and the 4th inductance, described 4th filter capacitor is parallel to the two ends of the 3rd filter capacitor, and the two ends of described 4th filter capacitor are connected to the two ends of the 5th filter capacitor respectively by the 3rd inductance and the 4th inductance.
9. a kind of Ethernet optical repeater as claimed in claim 8, it is characterized in that: described analog power unit also comprises the 3rd non-electrolytic capacitor, the 4th non-electrolytic capacitor and the 5th non-electrolytic capacitor, described 3rd non-electrolytic capacitor and the 4th non-electrolytic capacitor are all parallel to the two ends of the 4th filter capacitor, and described 5th non-electrolytic capacitor is parallel to the two ends of the 5th filter capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638587.4U CN204145507U (en) | 2014-10-28 | 2014-10-28 | A kind of Ethernet optical repeater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420638587.4U CN204145507U (en) | 2014-10-28 | 2014-10-28 | A kind of Ethernet optical repeater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204145507U true CN204145507U (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420638587.4U Expired - Fee Related CN204145507U (en) | 2014-10-28 | 2014-10-28 | A kind of Ethernet optical repeater |
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| CN (1) | CN204145507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698039A (en) * | 2019-03-14 | 2020-09-22 | 永滐投资有限公司 | Network and electric power sharing device |
-
2014
- 2014-10-28 CN CN201420638587.4U patent/CN204145507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111698039A (en) * | 2019-03-14 | 2020-09-22 | 永滐投资有限公司 | Network and electric power sharing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20151028 |
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| EXPY | Termination of patent right or utility model |