CN202102153U - Active optical cable - Google Patents
Active optical cable Download PDFInfo
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- CN202102153U CN202102153U CN2011201910631U CN201120191063U CN202102153U CN 202102153 U CN202102153 U CN 202102153U CN 2011201910631 U CN2011201910631 U CN 2011201910631U CN 201120191063 U CN201120191063 U CN 201120191063U CN 202102153 U CN202102153 U CN 202102153U
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- optical cable
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Abstract
The utility model discloses an active optical cable comprising a wire cable body, wherein the wire cable body comprises an optical transmission cable wire, an optical joint connected to one end of the optical transmission cable wire and a photoelectric conversion joint which is connected to the other end of the optical transmission cable wire and contains a photoelectric conversion component and a signal processing chip. According to the active optical cable, the use of a final section of connected copper wire in an optical network system at present can be completely replaced, so that an integral path from a local end to a user terminal is an optical channel, and an optical signal can always be transmitted to the user terminal. Therefore, the service bandwidth of a user can be greatly enhanced, and the performance of the optical network system is completely exerted.
Description
Technical field
The utility model relates to optical transmission device, specifically, relates to a kind of active optical cable.
Background technology
A typical optical network system mainly is made up of OLT (optical line terminal), ODN (optical distribution network) and ONU (optical network unit).OLT is positioned at local side, is main control center, realizes the function of network management; To be OLT with data between the ONU be connected ODN that transmission medium is provided, comprising optical cable and various optic components etc.; ONU is positioned at user side, is used for access user terminal.To do a summary to existing EPON know-why below.
Fig. 1 shows the network structure of FTTB (Fiber to The Building, FTTB)+LAN (Local Area Network, LAN).In the machine room of operator, through correlation technique, miscellaneous service is fused among the OLT, like the CATV business of wired TV, network TV IPTV, Plain Old Telephone Service PSTN, network service etc.Signal begins from the OLT of local side, carries out the signal transmission through the optical fiber backbone network, arrives ONU through ODN (optical distribution network has illustrated the optical branching device in the optical distribution network among the figure), and ONU gives different users with signal.
Fig. 2 shows the network structure of FTTN (Fiber to The Node, Fiber-To-The-Node)/FTTB+DSL " reconstruction of the old city town ".The network structure form of FTTN/FTTB+DSL and FTTB+LAN is more approaching." reconstruction of the old city town " takes into account the existing network line of incoming end, is the solution that a kind of optical-fiber network that can effectively reduce the front-end investment cost is transformed.
Fig. 3 shows the network structure of FTTH (Fiber To The Home, Fiber to the home).Fibre faceplate has been linked into the family parlor.And between fibre faceplate and ONU, normally adopting passive SC wire jumper to be connected, ONU separates signal respectively through a series of data, protocol conversion function according to different demands, use for different household equipments.
The use of optical network system, the copper cash that has reduced significantly in the signal transmission uses, and make transfer efficiency be greatly improved, yet it still has many improvements.For example, for ONU, existing ONU has following some shortcoming:
(1) small product size is excessive, takies user's space.
(2) possibly cause the wasting of resources.Most user only uses wherein one or more business, and other untapped functions will cause waste.
(3) cost of products is higher.Because of built-in various functional chips and numerous structural members, cause cost not low.
(4) fail to avoid fully the use of copper cash.Between from ONU to the subscriber equipment, still need utilize copper cash to carry out the signal transmission, although this segment distance is limited, yet the copper cash of this final stage uses the main bottleneck that exactly becomes restriction optical network system performance, has significantly restricted user's service bandwidth.
Summary of the invention
The technical problem underlying that the utility model will solve is, a kind of active optical cable is provided, and it can replace the ONU in the existing network system, can give full play of the performance of optical network system.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme:
A kind of active optical cable; Comprise the cable body; Said cable body comprises the light transmission cable, is connected the light joint of said light transmission cable one end, and is connected the said light transmission cable other end, wherein contains the opto-electronic conversion joint of electrooptical device and signal processing chip.
In a kind of embodiment of the utility model, said active optical cable also comprises and the adaptive adapter that is connected of said opto-electronic conversion joint.
In a kind of embodiment of the utility model, said adapter and said cable body are the physical separation setting.
In a kind of embodiment of the utility model, said adapter comprises a kind of interface in RJ11 interface, RJ45 interface, RF radio frequency interface and the WLAN interface at least.
In a kind of embodiment of the utility model; Said adapter comprises one or more RJ11 interfaces, one or more RJ45 interface, one or more RF radio frequency interface, one or more WLAN interface, perhaps comprises one or more RJ11 interfaces, one or more RJ45 interface, one or more RF radio frequency interface and one or more WLAN interface.
In a kind of embodiment of the utility model, said light transmission cable comprises two, and one another is the light-receiving cable for light sends cable, and said electrooptical device is ROSA device and TOSA device.
In a kind of embodiment of the utility model, said smooth joint is the twin-core fiber connector.
In a kind of embodiment of the utility model, said light transmission cable is a transmitted in both directions optical cable, and said electrooptical device is the BOSA device.
In a kind of embodiment of the utility model, said smooth joint is a single fiber-optic connector.
In a kind of embodiment of the utility model, said opto-electronic conversion joint is provided with power lead and the power taking interface that is connected with said power lead.
The beneficial effect of the utility model is:
1, the utility model provides a kind of novel optical-fiber network transmission product, as a kind of cable series products, the use of the active optical cable of the utility model; To make the thorough light pathization in whole Network Transmission path, from the light signal that OLT sends, the process trunk optical fiber; Arrive the active optical cable of the utility model again, the ustomer premises access equipment that can go directly, thus thoroughly avoid the use of copper cash; The optical network system performance no longer receives the copper cash restriction, thereby can improve user's service bandwidth significantly.
2, the active optical cable of the utility model is flexible in use.Because main body is an optical cable, the volume of entire product is little, and cost is low, can be according to the flexible cabling of user's needs, and it is more succinct to connect up.The user has need promptly can utilize this product access optical-fiber network, need not then can remove this product, abandons inserting.Make flexible to the access of optical-fiber network.When the FTTB reconstruction of the old city town, do not had redundant space in the data cross-connecting box in the machine room of sub-district and arranged ONU equipment more in addition, this moment, the product of this programme was little because of small product size, can adapt to this application very flexibly.
3, functional configuration is free, flexible.The active optical cable of the utility model; When the user only needs basic function, can satisfy the basic optical-fiber network demand of user fully, like Ethernet function or CATV function etc.; Save the increase of the user access networks cost that brings because of function waste, also reduced the wasting of resources simultaneously.And when the user has more demands, can carry out the expansion of function or interface neatly through adapter again.It is more free, flexible to make that the user uses the configuration of the function of optical network system.
Description of drawings
Fig. 1 is the network structure of existing FTTB+LAN;
Fig. 2 is the network structure of existing FTTN/FTTB+DSL " reconstruction of the old city town ";
Fig. 3 is the network structure of existing FTTH;
Fig. 4 is the active cable configuration figure of the utility model embodiment one;
Fig. 5 is the active cable configuration figure of the utility model embodiment two;
Fig. 6 is the active cable configuration figure of the utility model embodiment three;
Fig. 7 is the active cable configuration figure of the utility model embodiment four;
Fig. 8 is the active cable configuration figure of the utility model embodiment five;
Fig. 9 is the active cable configuration figure of the utility model embodiment six;
Figure 10 is the active cable configuration figure of the utility model embodiment seven;
Figure 11 is the active cable configuration figure of the utility model embodiment eight.
Embodiment
Combine accompanying drawing that the utility model is done further explain through embodiment below.
The utility model fundamental purpose provides a kind of active optical cable (Active Optical Cable; Be called for short AOC); This active optical cable comprises the cable body, and the cable body comprises the light transmission cable; Be connected the light joint of light transmission cable one end, and be connected the light transmission cable other end, wherein contain the opto-electronic conversion joint of electrooptical device and signal processing chip.Utilize this active optical cable, can substitute the copper wire access of the final stage in the existing optical network system, and can make light signal directly be linked into user terminal, improved user's service bandwidth greatly, thereby really given play to the performance of optical network system.
Embodiment one:
As shown in Figure 4; The active optical cable of present embodiment, the light transmission cable in its cable body adopts two optical fiber designs; Wherein an optical fiber is responsible for Data Receiving (light-receiving cable), another responsible data transmissions (light transmission cable); The end that the light transmission cable connects the light joint is called front end, and is corresponding, and the other end (end that connects the opto-electronic conversion joint) is called the rear end.The light joint of front end is the twin-core fiber connector, and it mainly is to be used for being linked into optical interface (optical interface for example is positioned at panels such as patch panel, fibre faceplate), obtains the light signal that comes from OLT so that be linked into optical-fiber network; The opto-electronic conversion joint of rear end then mainly is responsible for opto-electronic conversion, from Fig. 4, can see, in the opto-electronic conversion joint, is provided with and is responsible for ROSA (optical fiber receive module), TOSA (light emission component) device that photoelectricity is changed each other.The tail end of opto-electronic conversion joint is an electric connector, and it can directly insert in the various devices such as computer or switch, for subscriber equipment provides signal transfer functions.
During work, the light joint of active optical cable front end is linked into optical interface, thereby is linked into the local side of optical network system; The opto-electronic conversion joint of active optical cable rear end (electric connector of tail end) is linked into user terminal.Up as the light-receiving direction with light signal to the local side of optical network system, descending with the local side of optical signals optical network system as the light transmit direction.In the light-receiving direction; The electric signal of user terminal carries out opto-electronic conversion through the ROSA device in the arrival of the electric connector in the opto-electronic conversion joint opto-electronic conversion joint and becomes light signal; Light signal through the light transmission cable (light-receiving cable) be transferred to the light joint, thereby from optical interface through Optical Fiber Transmission to local side.At the light transmit direction; The light signal of local side; Arrive optical interface through optical fiber, be transferred to user terminal through the active optical cable that is connected to optical interface again, light signal is in active optical cable; Be to carry out opto-electronic conversion from the light joint through the TOSA device light transmission cable (light transmission cable) the arrival opto-electronic conversion joint to become electric signal, the electric connector by opto-electronic conversion joint tail end arrives the user terminal that has inserted this electric connector again.
Except that electrooptical device, also be provided with signal processing chip in the opto-electronic conversion joint, for example can be voice signal, vision signal, Ethernet data processing or the like function so that the control function of one or more signals to be provided.The signal processing chip function can be configured as required, both can be independent ethernet control chip, voice control chip or the like.Can be the signal processing chip with multiple signal controlling such as ethernet signal, voice signals also, perhaps also can be several individual signal processing chip, the for example combination of ethernet control chip, voice control chip.
Adaptive for realizing interface expansion or interface; The active optical cable of present embodiment; Also provide can with the adaptive adapter that is connected of opto-electronic conversion joint, (interface in adapter left side is adapter inlet or adapter input port to the output port of adapter among the title figure, is the port that links to each other with AOC; The interface on adapter right side is adapter outlet or adapter output port, is the port that links to each other with user terminal; In this article, dated as not adding, when claiming adaptor interface; Be meant the output port of adapter) can comprise one or more Ethernet interfaces; RJ45 interface for example, the RJ45 interface can directly insert in the equipment such as computer or switch, for user terminal provides internet function.One or more RJ11 interfaces also can be provided, one or more RF radio frequency interfaces perhaps are provided, one or more WLAN interfaces etc. perhaps are provided.The RJ11 interface can insert telephone exchange or between insert various speech ciphering equipments, various phonetic functions are provided, like the VOIP phone etc.The WLAN interface can provide wireless lan function.The RF radio frequency interface then can provide the closed circuit connection of simulation of TV, transportation simulator video and audio frequency.
As shown in Figure 4, can external power supply be set at adapter, be active optical cable power supply.General, adapter and cable body are physically for separating setting.Certainly; The cable body also can need not adapter and work independently; When working independently, active optical cable can be directly through electric connector from the power taking of user terminal interface, power lead and the power taking interface that is connected with power lead also can be set in addition with the access power supply on the opto-electronic conversion joint.
Embodiment two:
As shown in Figure 5, the active optical cable of present embodiment, identical with embodiment one aspect the cable body, only be to distinguish to some extent on the adapter: embodiment one adopts and has the adapter of function along separate routes, can use to many subscriber equipmenies the signal allocation of AOC; And embodiment two adopts is scheme simply the most one to one, the inlet that promptly AOC can only corresponding adapter, and user's multiple devices if desired uses simultaneously, and equipment such as router or switch need be installed voluntarily.When if a plurality of optical interface is perhaps arranged, also can insert AOC at different optical interfaces respectively, each bar AOC inserts the difference inlet of adapter more respectively.
Embodiment three:
As shown in Figure 6, the active optical cable of present embodiment, its adapter has multiple interfaces, and WLAN interface, RJ45 interface, RJ11 interface, RF radio frequency interface for example have been shown among Fig. 6.Fig. 6 exemplarily shows an interface to above every kind of interface, can understand, and the kind of interface is not limited to above various, and the quantity of each interface also is not limited to one.Because the existence of the multiple interfaces of adapter, corresponding, signal processing chip need have multiple Signal Processing ability, can possess the control function of multiple signals such as voice, video, Ethernet simultaneously.
Embodiment four:
As shown in Figure 7, the active optical cable of present embodiment, similar basically with the active optical cable of embodiment one, difference is: the active optical cable of present embodiment has the connector of independent power taking.Of preceding embodiment one, two, three; The power taking of active optical cable; Adapter capable of using carries out, and promptly be provided with can be from the power lead of power supply power taking for adapter, and active optical cable is through the directly power taking from adapter of power supply PIN pin of opto-electronic conversion joint; Or by the electric connector of cable body with after user device interface is connected, directly from the subscriber equipment power taking.The power taking of cable body equally also can be as shown in Figure 7, on the opto-electronic conversion joint, power lead is set in addition, by the power taking interface power taking separately on the power lead.Electric connector can adopt the corresponding connector port according to the interface shape of equipment.
Embodiment five:
As shown in Figure 8; The active optical cable of present embodiment, its adapter is identical with the adapter of embodiment one, and promptly the output port of adapter is the same with embodiment one; Be one or more same interfaces, for example RJ45 interface, RJ11 interface, RF radio frequency interface or WLAN interface or the like.And the cable body of cable body and embodiment one is similar basically; The key distinction is: the light transmission cable of present embodiment cable body is a transmitted in both directions optical cable; Can be responsible for the reception and the transmission of data simultaneously; Accordingly, the electrooptical device that is provided with in the opto-electronic conversion joint no longer is ROSA device and TOSA device, but BOSA (bi-directional light assembly) device.
During work, the light joint of active optical cable front end (at this moment, the light joint is a single fiber-optic connector, perhaps abbreviates the joints of optical fibre as) is linked into optical interface, thereby is linked into the local side of optical network system; The opto-electronic conversion joint of active optical cable rear end (electric connector of tail end) is linked into user terminal.And no matter at the light transmit direction or in the light-receiving direction, light signal all is to transmit through the transmitted in both directions optical cable, carries out opto-electronic conversion by the BOSA device.
Embodiment six:
As shown in Figure 9, the active optical cable of present embodiment, its adapter is identical with the adapter of embodiment two, and promptly same what adopt is scheme simply the most one to one to adapter, the inlet that just AOC can only corresponding adapter.And the cable body of cable body and embodiment two is similar basically; The key distinction is similar to the difference of embodiment one and embodiment five; I.e. difference is: the cable body among the embodiment two is become be the transmitted in both directions optical cable; Corresponding with it, the electrooptical device that is provided with in the opto-electronic conversion joint no longer is ROSA device and TOSA device, but BOSA (bi-directional light assembly) device.
Embodiment seven:
Shown in figure 10, the active optical cable of present embodiment, its adapter is identical with the adapter of embodiment three; And the cable body of cable body and embodiment three is similar basically; The key distinction is similar to the difference of embodiment one and embodiment five, i.e. difference is: the cable body among the embodiment three is become be the transmitted in both directions optical cable, corresponding with it; The electrooptical device that is provided with in the opto-electronic conversion joint no longer is ROSA device and TOSA device, but BOSA (bi-directional light assembly) device.
Embodiment eight:
Shown in figure 11; The active optical cable of present embodiment, the cable body of cable body and embodiment four is similar basically, and the key distinction is similar to the difference of embodiment one and embodiment five; I.e. difference is: the cable body among the embodiment four is become be the transmitted in both directions optical cable; Corresponding with it, the electrooptical device that is provided with in the opto-electronic conversion joint no longer is ROSA device and TOSA device, but BOSA (bi-directional light assembly) device.
The utility model mainly provides a kind of active optical cable (AOC); This product; Can substitute the copper cash use that the final stage in the present optical network system inserts fully, make that the whole piece path from the local side to the user terminal is light-path, light signal can be transferred to user terminal always; Thereby can improve user's service bandwidth greatly, the performance of optical network system is able to bring into play fully.And, adopt this active optical cable, no matter, still insert terminal user terminal for the OLT of optical network system, can keep existing configuration, need not to transform, thereby can save network rebuilding cost; Use this active optical cable, also can make up required light transmission path neatly as required, it is more convenient to use.
Above content is the further explain that combines concrete embodiment that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (10)
1. active optical cable; It is characterized in that; Comprise the cable body; Said cable body comprises the light transmission cable, is connected the light joint of said light transmission cable one end, and is connected the said light transmission cable other end, wherein contains the opto-electronic conversion joint of electrooptical device and signal processing chip.
2. active optical cable as claimed in claim 1 is characterized in that, also comprises and the adaptive adapter that is connected of said opto-electronic conversion joint.
3. active optical cable as claimed in claim 2 is characterized in that, said adapter and said cable body are the physical separation setting.
4. active optical cable as claimed in claim 3 is characterized in that, said adapter comprises a kind of interface in RJ11 interface, RJ45 interface, RF radio frequency interface and the WLAN interface at least.
5. active optical cable as claimed in claim 4; It is characterized in that; Said adapter comprises one or more RJ11 interfaces, one or more RJ45 interface, one or more RF radio frequency interface, one or more WLAN interface, perhaps comprises one or more RJ11 interfaces, one or more RJ45 interface, one or more RF radio frequency interface and one or more WLAN interface.
6. like the arbitrary described active optical cable of claim 1-5, it is characterized in that said light transmission cable comprises two, one another is the light-receiving cable for light sends cable, and said electrooptical device is ROSA device and TOSA device.
7. active optical cable as claimed in claim 6 is characterized in that, said smooth joint is the twin-core fiber connector.
8. like the arbitrary described active optical cable of claim 1-5, it is characterized in that said light transmission cable is a transmitted in both directions optical cable, said electrooptical device is the BOSA device.
9. active optical cable as claimed in claim 8 is characterized in that, said smooth joint is a single fiber-optic connector.
10. like the arbitrary described active optical cable of claim 1-5, it is characterized in that said opto-electronic conversion joint is provided with power lead and the power taking interface that is connected with said power lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201910631U CN202102153U (en) | 2011-06-08 | 2011-06-08 | Active optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201910631U CN202102153U (en) | 2011-06-08 | 2011-06-08 | Active optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN202102153U true CN202102153U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201910631U Expired - Fee Related CN202102153U (en) | 2011-06-08 | 2011-06-08 | Active optical cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200617A (en) * | 2011-06-08 | 2011-09-28 | 深圳日海通讯技术股份有限公司 | Active optical cable |
| CN103323922A (en) * | 2013-07-08 | 2013-09-25 | 无锡光云通信科技有限公司 | Active optical cable |
| TWI513209B (en) * | 2013-02-25 | 2015-12-11 | Hung Shiang Jiang | An optical bypass switch moduale and its adapted in-line equipment |
| CN109106465A (en) * | 2018-09-25 | 2019-01-01 | 中国科学院深圳先进技术研究院 | A kind of double optical fiber structures and preparation method thereof |
-
2011
- 2011-06-08 CN CN2011201910631U patent/CN202102153U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200617A (en) * | 2011-06-08 | 2011-09-28 | 深圳日海通讯技术股份有限公司 | Active optical cable |
| CN102200617B (en) * | 2011-06-08 | 2016-01-20 | 深圳日海通讯技术股份有限公司 | A kind of active optical cable |
| TWI513209B (en) * | 2013-02-25 | 2015-12-11 | Hung Shiang Jiang | An optical bypass switch moduale and its adapted in-line equipment |
| CN103323922A (en) * | 2013-07-08 | 2013-09-25 | 无锡光云通信科技有限公司 | Active optical cable |
| CN103323922B (en) * | 2013-07-08 | 2016-03-02 | 无锡光云通信科技有限公司 | A kind of active optical cable |
| CN109106465A (en) * | 2018-09-25 | 2019-01-01 | 中国科学院深圳先进技术研究院 | A kind of double optical fiber structures and preparation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20190608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |