CN207854072U - The capacity-enlarging system of network - Google Patents
The capacity-enlarging system of network Download PDFInfo
- Publication number
- CN207854072U CN207854072U CN201721902245.9U CN201721902245U CN207854072U CN 207854072 U CN207854072 U CN 207854072U CN 201721902245 U CN201721902245 U CN 201721902245U CN 207854072 U CN207854072 U CN 207854072U
- Authority
- CN
- China
- Prior art keywords
- signal
- catv
- broadband
- capacity
- network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The utility model discloses a kind of capacity-enlarging system of network, which includes jumper, Digital Cable Television System CATV amplifiers, optical cable and equipment integrating；CATV signals in the mixed signal of input are inputted CATV amplifiers by jumper；CATV amplifiers amplify CATV signals, the CATV signaling interfaces of amplified CATV signals input equipment integrating；Broadband optical signal is inputted the broadband interface of equipment integrating by optical cable；The amplified CATV signals that equipment integrating receives CATV signaling interfaces, and the broadband optical signal that broadband interface receives, it is modulated into the signal transmitted on coax, and the signal transmitted on coax is exported by the mixed signal output port of equipment integrating.According to the capacity-enlarging system for the network that the utility model embodiment provides, the dilatation of network can be promoted.
Description
Technical field
The utility model is related to the communications field more particularly to a kind of capacity-enlarging systems of network.
Background technology
In the net bidirectional transformation scheme of hybrid fiber/ coax, HFC access at present, it is based on passive optical-fiber network (Passive
Optical Network, PON) and the Ethernet transmission plan (Ethernet Over Cable, EoC) of coaxial cable be more suitable for
Actual conditions.
But PON+EoC networks are used, local side apparatus downlink bandwidth still cannot meet ever-increasing bandwidth and use
Family demand, and some areas end Network is irregular, there are Digital Cable Television System (Community Antenna
Television, CATV) equipment such as amplifier and jumper cause EoC transmission signal decaying it is excessive.
In order to further support the business demand of more users, the dilatation for promoting network downstream network is needed.
Utility model content
The utility model embodiment provides a kind of capacity-enlarging system of network, can promote the dilatation of network downstream network.
One side according to the present utility model, provides a kind of capacity-enlarging system of network, which includes jumper, has line number
Word television system CATV amplifiers, optical cable and equipment integrating；
CATV signals in the mixed signal of input are inputted CATV amplifiers by jumper；
CATV amplifiers amplify CATV signals, the CATV signaling interfaces of amplified CATV signals input equipment integrating；
Broadband optical signal is inputted the broadband interface of equipment integrating by optical cable；
The width that equipment integrating receives the amplified CATV signals that CATV signaling interfaces receive and broadband interface
Band optical signal is modulated into the signal transmitted on coax, and is existed by the output of the mixed signal output port of equipment integrating
The signal of transmission over coaxial cable.
In one embodiment, after jumper filters the first broadband ethernet data-signal in the mixed signal of input,
CATV signals in the mixed signal inputted.
In one embodiment, jumper includes A interfaces and B interface；
Mixed signal inputs jumper from B interface, and CATV signals are exported from A interfaces in the mixed signal of input.
In one embodiment, CATV amplifiers are Unidirectional magnifiers.
In one embodiment, equipment integrating includes Ethernet passive optical network PON optical network unit ONUs and coaxial cable
Ethernet transmission plan EOC local sides.
In one embodiment, ONU receives broadband optical signal by broadband interface, and the broadband optical signal received is turned
It is changed to the second broadband ethernet data-signal.
In one embodiment, EOC local sides are transformed by the amplified CATV signals and broadband optical signal that receive
Second broadband ethernet data signal modulation exports the letter transmitted on coax at the signal transmitted on coax
Number.
In one embodiment, broadband interface is optical fiber interface.
In one embodiment, CATV signal bands occupy 65~1000 megahertzs of MHz, the first broadband ethernet data letter
Number and the second broadband ethernet data-signal frequency band occupy 1~65MHz.
In one embodiment, equipment integrating exports the signal transmitted on coax with a coaxial cable.
As can be seen that the capacity-enlarging system for the network that the embodiments of the present invention provide, passes through from above-mentioned technical proposal
Optical cable is added in CATV amplifier outs in existing PON+EOC systems and equipment integrating, equipment integrating put CATV amplifiers
The broadband optical signal introduced in CATV signals and newly-increased optical cable after big is modulated and exports, and realizes to existing PON+EOC
The dilatation of network downstream network.
Description of the drawings
This practicality may be better understood from the description below in conjunction with the accompanying drawings to specific embodiment of the present utility model
It is novel, wherein same or analogous reference numeral indicates same or analogous feature.
Fig. 1 shows the structural schematic diagram of the capacity-enlarging system of the network of one embodiment of the utility model；
Fig. 2 shows the schematic diagrames of the connection relation of CATV amplifiers and jumper；
Fig. 3 shows the signal processing signal inside jumper in the capacity-enlarging system of the network of one embodiment of the utility model
Figure.
Specific implementation mode
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, it is proposed that many details, in order to provide the comprehensive understanding to the utility model.But for people in the art
It will be apparent that the utility model can be implemented in the case of some details in not needing these details for member.
Below the description of embodiment is used for the purpose of providing to the more preferable of the utility model by showing the example of the utility model
Understanding.The utility model is never limited to any concrete configuration set forth below, but in the essence for not departing from the utility model
Any modification, replacement and the improvement of element and component are covered under the premise of god.In the the accompanying drawings and the following description, it is not shown
Well known structure and technology are unnecessary fuzzy to avoid causing the utility model.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
To make the purpose of this utility model, technical solution and advantage express to be more clearly understood, below in conjunction with the accompanying drawings and
Specific embodiment is further described in more detail the utility model.
The capacity-enlarging system of the prior art be existing photoreceiver, optical network unit (Optical Network Unit,
ONU) and at Ethernet transmission plan (Ethernet Over Cable, EoC) fusion point increase setting for a set of new ONU and EoC
It is standby, two distribution devices are added into original photoreceiver output position, by the two new route signals of distribution and new addition equipment into
Row fusion.
5-65 megahertzs of the theoretical insertion loss (MHz) of two distribution devices is 3.5 decibels (dB)；750-1000MHz is
4.0dB, close to 7dB in practical application.I.e. the introducing of two divided-frequency device drops the coverage area of network under original line condition
Low 14%.Therefore, cause end Network covering signal quality poor and shorten coverage distance.
Based on this, the utility model proposes a kind of capacity-enlarging system of network, which passes through in existing PON+EoC systems
Unidirectional Digital Cable Television System (Community Antenna Television, CATV) amplifier output end increase light
Cable and equipment integrating promote the dilatation of network downstream network.
Fig. 1 shows the structural schematic diagram of the capacity-enlarging system of one embodiment network of the utility model, as shown in Figure 1, the system
Including jumper 10, CATV amplifiers 11, optical cable 12 and equipment integrating 13.
Wherein, CATV signals in the mixed signal of input are inputted CATV amplifiers by jumper 10.CATV amplifiers 11 are put
Big CATV signals, the CATV signaling interfaces 131 of amplified CATV signals input equipment integrating 13.Optical cable 12 is by broadband optical signal
Input the broadband interface 132 of equipment integrating 13.The amplified CATV that equipment integrating 13 receives CATV signaling interfaces 131 believes
Number and the broadband optical signal that receives of the broadband interface 132, be modulated into the signal transmitted on coax, and pass through
The mixed signal output port 133 of equipment integrating 13 exports the signal transmitted on coax.
In the embodiments of the present invention, the mixed signal that jumper 10 receives is to include by what coaxial cable transmitted
The signal of CATV signals and the first broadband ethernet data-signal.Wherein, CATV signals and the first broadband ethernet data-signal
It is radiofrequency signal, CATV signals are high-frequency signal, and the first broadband ethernet data-signal is low frequency signal.Show as one
The frequency band of example, CATV signals is 65~1000MHz, and the frequency band of the first broadband ethernet data-signal is 1~65MHz.For
The frequency band of CATV signals and the first broadband ethernet data-signal, the utility model embodiment are not particularly limited.
Wherein, the CATV signals in above-mentioned coaxial cable and the first broadband ethernet data-signal are by existing PON+
The width that equipment in EoC systems exports optical line terminal (Optical Line Terminal, OLT) OLT in PON network
With the cable television optical signal that optical signal and cable TV light transmitter export be converted into the first broadband ethernet data-signal and
CATV signals.
As an example, the broadband optical signal of OLT outputs can be converted into the first broadband by ONU+EOC equipment integratings
The cable television optical signal of Ethernet data signal, cable TV light transmitter output can be turned by crossing CATV type ONU equipments
Turn to CATV signals.As another example, the three-in-one EOC local sides integrated by photoreceiver, ONU and EOC are defeated by OLT
The cable television optical signal modulation of broadband optical signal and the cable TV light transmitter output gone out is comprising CATV signals and first
The mixed signal of broadband ethernet data-signal, and the mixed signal is exported to coaxial cable.For the broadband light for exporting OLT
Signal and equipment and mode that the cable television optical signal modulation of cable TV light transmitter output is mixed signal, this practicality are new
Type is not particularly limited, can be depending on concrete application scene.
In the implementation of the utility model, for the bidirectional rebuilding of PON+EoC networks to realize the network capacity extension, substantially change
It makes user and distributes mesh portions, it will include equipment optical node (including amplifier), splitter, distributor that the user of broadcasting and TV, which distributes host,
And copper axis etc..The CATV signals and the first broadband ethernet data-signal transmitted by coaxial cable will pass through user to distribute net
And it is identified in user terminal, so to ensure that improved user distributes the decaying of net within signal decaying allowable range.
In the prior art, can gradually decay during transmission process due to CATV signals, at a certain distance from
CATV signals are amplified using CATV amplifiers to carry out continuing to transmit.As an example, each two CATV amplifiers
The distance between be 350 meters.But in the bidirectional network Transformation of PON+EOC, since CATV amplifiers can be in mixed signal
CATV signals and the first broadband ethernet data-signal be carried out at the same time amplification, cause the first broadband ethernet data-signal can not
It uses.In order to solve the problems, such as this, a jumper is added at CATV amplifiers, Fig. 2 shows CATV amplifiers and jumpers
Connection type.It by the introducing of jumper, may be implemented to be amplified the CATV signals in mixed signal, but mixing do not believed
The first broadband ethernet data-signal in number is amplified.
But due to the presence of CATV amplifiers and jumper, the decaying of the first broadband ethernet data-signal can be caused,
Cause broadband services transmission range to shorten, therefore in the implementation of the utility model, passes through the output end 112 in CATV amplifiers
Leading in cable 12 and equipment integrating 13 are realized that is, using the output end of CATV amplifiers herein as dilatation point to downlink network
Dilatation.
Specifically, Fig. 3 is the signal inter-process schematic diagram of jumper in the utility model embodiment.As shown in figure 3, across
It includes A interfaces, B interface, C interface and D interface to connect device, and wherein B interface is used for the input of mixed signal, and C interface is believed for mixing
Number output.It can be connect by high frequency CATV signals, B interface and C between A interfaces and B interface and between C interface and D interface
It can pass through broad band low frequency Ethernet data signal between mouthful.
In the embodiments of the present invention, as shown in Figure 1, the C interface of jumper 10 and D interface disconnect, i.e., C interface and
D interface no signal is output and input.Wherein, coaxial cable output includes high frequency CATV signals and the first broadband of low frequency ether
The mixed signal of network data signal is inputted from the B interface of jumper 10, the input terminal of the A interfaces and CATV amplifiers of jumper 10
111 are connected.
Wherein, jumper 10 realizes that mixed signal is entered by B interface with CATV amplifiers 11 by above-mentioned connection type
Low frequency the first broadband ethernet data-signal in mixed signal is filtered by jumper, jumper, and will be in mixed signal
CATV signals CATV amplifiers 11 are input to by A interfaces.
In the embodiments of the present invention, high frequency CATV signals and the CATV amplifiers 11 of the output of jumper A interfaces
Input terminal 111 is connected, and is amplified to high frequency CATV signals with realizing.Amplified CTTV signals are from the defeated of CATV amplifiers 11
Outlet 112 exports.As an example, CATV amplifiers are Unidirectional magnifier.Type for jumper and CATV amplifications
The type and model of device, the embodiments of the present invention are not particularly limited, specifically can be depending on application scenarios.
In the embodiments of the present invention, new broadband optical signal is introduced by newly-built optical cable 12, recycles one
The amplified CATV signals that equipment 13 exports the broadband optical signal and CATV amplifiers 11 carry out signal modulation, modulated
Mixed signal is transmitted by a coaxial cable.
As an example, equipment integrating is ONU+EOC equipment integratings, and ONU+EOC equipment integratings include that Ethernet is passive
The Ethernet transmission plan EOC local sides of optical-fiber network PON optical network unit ONUs and coaxial cable.
Specifically, the ONU in ONU+EOC equipment integratings receives light by the broadband interface 132 in ONU+EOC equipment integratings
The broadband optical signal that cable 12 inputs, and the broadband optical signal received is converted into the second broadband ethernet data-signal.ONU+
EOC local sides in EOC equipment integratings are defeated by the reception CATV amplifiers of CATV signaling interfaces 131 in ONU+EOC equipment integratings
The amplified high frequency CATV signals that outlet 112 exports, and the amplified high frequency CATV signals and broadband light that receive are believed
Number transformed low frequency the second broadband ethernet data signal modulation is at the signal transmitted on coax.ONU+EOC one
Equipment exports this by the mixed signal output end 133 of ONU+EOC equipment integratings with a coaxial cable and passes on coax
Defeated signal.Wherein, the broadband interface 132 in ONU+EOC equipment integratings is optical fiber interface.
In the embodiments of the present invention, the first broadband ethernet data-signal is to be inputted in existing PON+EOC systems
Broadband optical signal conversion radiofrequency signal, and the second broadband ethernet data-signal be the broadband optical signal turn in newly-built optical cable
The radiofrequency signal of change.
In the embodiments of the present invention, the type, internal structure and interface type of equipment integrating are not done specifically
Limitation, can be depending on concrete application scene.
The capacity-enlarging system for the network that the embodiments of the present invention provide, will be existing by using newly-increased equipment integrating
The amplified CATV signals exported in CATV amplifiers in PON+EOC systems are believed with the broadband light introduced in newly-increased optical cable
It number is modulated and exports, realize the dilatation to existing PON+EOC network downstreams network.The system utilizes in existing network
Equipment reduces the cost of the network capacity extension, and the system is designed for existing catv network, is suitble to Star Network, tree
A variety of occasions such as l network, therefore prominent function and adaptable.
In the embodiments of the present invention, at each CATV amplifiers and jumper in PON+EOC systems,
The connection type that jumper in Fig. 1 can be utilized increases optical cable and equipment integrating newly, with realization pair in the output end of CATV amplifiers
The dilatation of downlink network.Wherein, the newly-increased optical cable that the output end of each CATV amplifiers is introduced into can be drawn from light cross-connecting box,
The light cross-connecting box is connected with OLT, to introduce new broadband optical signal.
The capacity-enlarging system for the network that the embodiments of the present invention provide, by distributing the CATV amplifiers in net in user
Place increases optical cable newly, without laying in new cable to user family, avoids wall penetration and hole punching, and can complete to pacify in a short time
Dress, is easily installed maintenance.In addition, the capacity-enlarging system for the network that the utility model embodiment provides passes through newly-increased optical cable and work(
The access bandwidth for providing 500Mbps may be implemented in the powerful broadband chip of energy.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model, rather than limits it
System；Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should
Understand：It still can be with technical scheme described in the above embodiments is modified, either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacements, so that the essence of corresponding technical solution is detached from this practicality new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of capacity-enlarging system of network, which is characterized in that the system comprises jumper, Digital Cable Television System CATV to put
Big device, optical cable and equipment integrating；
CATV signals in the mixed signal of input are inputted the CATV amplifiers by the jumper；
The CATV amplifiers amplify the CATV signals, and the amplified CATV signals input the CATV of the equipment integrating
Signaling interface；
Broadband optical signal is inputted the broadband interface of the equipment integrating by the optical cable；
The equipment integrating connects the amplified CATV signals that the CATV signaling interfaces receive and the broadband interface
The broadband optical signal received is modulated into the signal transmitted on coax, and is believed by the mixing of the equipment integrating
The signal transmitted on coax described in the output of number output port.
2. the capacity-enlarging system of network according to claim 1, which is characterized in that the jumper believes the mixing of the input
In number after the filtering of the first broadband ethernet data-signal, CATV signals in the mixed signal of the input are obtained.
3. the capacity-enlarging system of network according to claim 1, which is characterized in that the jumper includes A interfaces and B interface；
The mixed signal inputs the jumper from the B interface, and CATV signals are from A interfaces in the mixed signal of the input
Output.
4. the capacity-enlarging system of network according to claim 1, which is characterized in that the CATV amplifiers are Unidirectional magnifiers.
5. the capacity-enlarging system of network according to claim 2, which is characterized in that the equipment integrating includes Ethernet passive light
The Ethernet transmission plan EOC local sides of network PON optical network unit ONUs and coaxial cable.
6. the capacity-enlarging system of network according to claim 5, which is characterized in that the ONU is received by the broadband interface
The broadband optical signal, and the broadband optical signal received is converted into the second broadband ethernet data-signal.
7. the capacity-enlarging system of network according to claim 5, which is characterized in that the EOC local sides will be after the amplification that received
CATV signals and the transformed second broadband ethernet data signal modulation of the broadband optical signal at passing on coax
Defeated signal, the signal that transmits on coax described in output.
8. the capacity-enlarging system of network according to claim 1, which is characterized in that the broadband interface is optical fiber interface.
9. the capacity-enlarging system of network according to claim 6, which is characterized in that the CATV signal bands occupy 65~1000
Megahertz MHz, the first broadband ethernet data-signal and the second broadband ethernet data-signal frequency band occupy 1~
65MHz。
10. the capacity-enlarging system of network according to claim 1, which is characterized in that a piece coaxial cable of the equipment integrating
The signal transmitted on coax described in output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902245.9U CN207854072U (en) | 2017-12-29 | 2017-12-29 | The capacity-enlarging system of network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721902245.9U CN207854072U (en) | 2017-12-29 | 2017-12-29 | The capacity-enlarging system of network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207854072U true CN207854072U (en) | 2018-09-11 |
Family
ID=63420037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721902245.9U Active CN207854072U (en) | 2017-12-29 | 2017-12-29 | The capacity-enlarging system of network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207854072U (en) |
-
2017
- 2017-12-29 CN CN201721902245.9U patent/CN207854072U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101388821B (en) | Access network implementing system and method for bearing all information services of local customer | |
| US20210258076A1 (en) | Hybrid fiber/coaxial taps, and related methods and networks | |
| US10531151B2 (en) | Bidirectional amplifier or node supporting out-of-band signaling | |
| CN102395021A (en) | CATV (Cable Television) amplifier capable of being upgraded to EOC (Ethernet Over Coax) local-side optical receiver circuit | |
| CN207854072U (en) | The capacity-enlarging system of network | |
| CN104779975A (en) | A differential coupling communication device of high speed power line carrier system | |
| CN204559568U (en) | A kind of differential couple communicator of high speed power line carrier system | |
| CN202004923U (en) | Three-network integrated multi-service optoelectronic integration network element | |
| CN103997354B (en) | A kind of mixing system, mixer device and frequency mixing method | |
| KR20010033627A (en) | Catv passive component with rf splitter and power adding/removal port | |
| CN102694783A (en) | Tri-network integrated multi-service photoelectric integrated network element | |
| US11728960B2 (en) | Wireless over cable communication system | |
| CN201910895U (en) | IPQAM realizing device capable of utilizing resources flexibly and sufficiently | |
| US9813106B2 (en) | Signal conditioner for bi-directional radio frequency signals in a telecommunications network | |
| US10897653B2 (en) | Power passing termination tap | |
| CN206060803U (en) | A kind of integration of three networks access management system | |
| CN206759457U (en) | A kind of RFoG optical nodes of six wavelength applications | |
| KR101833733B1 (en) | Bias Tee Apparatus for RF Communication Service | |
| CN203193639U (en) | Three-network-convergence multi-service photoelectric integrated network element | |
| CN202268965U (en) | Upgrading of cable television amplifier to Ethernet coaxial cable transmission local side optical receiver circuit | |
| CN209562548U (en) | A kind of communication active broadband compartment system | |
| CN213028319U (en) | Two-in-one local side equipment | |
| CN203761398U (en) | FTTH (Fiber To The Home) extension equipment suitable for point-to-point axial access | |
| CN203301509U (en) | Ethernet over coaxial cable-used three-in-one intelligent integrated optical node device | |
| CN103782548B (en) | A kind of mixting circuit, business device and mixing operation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |