CN111966010B - Signal access module, control method and signal access equipment - Google Patents
Signal access module, control method and signal access equipment Download PDFInfo
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- CN111966010B CN111966010B CN202010749915.8A CN202010749915A CN111966010B CN 111966010 B CN111966010 B CN 111966010B CN 202010749915 A CN202010749915 A CN 202010749915A CN 111966010 B CN111966010 B CN 111966010B
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- G05B19/00—Programme-control systems
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- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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Abstract
The invention discloses a signal access module, comprising: the communication interface is used for receiving communication signals, the transformer is used for coupling the signals, and the at least two data communication modules are used for identifying the signal type of the communication signals and communicating with the communication interface according to the signal type; each signal coupling end of the transformer is connected with the signal coupling end of each data communication module, and the input end of the transformer is connected with the communication interface. Wherein each data communication module identifies communication signals of one signal type, and the signal types identified between the data communication modules are different. The embodiment of the invention also discloses a control method of the signal access module and signal access equipment, which can effectively solve the problem that the G.fast signal and the VDSL signal in the prior art can not be compatible.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a signal access module, a control method, and a signal access device.
Background
The g.fast technology is different from the previous VDSL technology in characteristics, the g.fast technology employs time division multiplexing for uplink and downlink, that is, only uplink or downlink transmission is performed at the same time, while the conventional VDSL technology employs frequency division multiplexing, and the uplink and the downlink occupy different frequency bands, so that the two technologies cannot be directly compatible.
Because the frequency bands occupied by the VDSL signal and the g.fast signal are overlapped, when a g.fast network is laid, an operator cannot directly eliminate VDSL access equipment due to cost consideration, and therefore how the g.fast signal and the VDSL signal are compatible is a major problem facing the current situation.
Disclosure of Invention
Embodiments of the present invention provide a signal access module, a control method, and a signal access device, which can effectively solve the problem that g.fast signals and VDSL signals in the prior art are incompatible.
An embodiment of the present invention provides a signal access module, including: the communication interface is used for receiving communication signals, the transformer is used for coupling the signals, and the data communication modules are used for identifying the signal types of the communication signals;
each signal coupling end of the transformer is connected with the signal coupling end of each data communication module, and the input end of the transformer is connected with the communication interface;
wherein, each data communication module identifies communication signals of a signal type, and the signal types identified between the data communication modules are different.
Compared with the prior art, the signal access module disclosed by the embodiment of the invention has the advantages that after the communication interface receives the communication signals, the transformer is connected with the at least two data communication modules, so that the plurality of data communication modules can simultaneously receive the communication signals through the transformer, and the plurality of data communication modules respectively identify the communication signals, thereby realizing the compatibility of the plurality of signals. Since each data communication module only identifies one signal type and the signal types are different, the data communication module communicating with the communication interface can be determined according to the signal type. Therefore, when the first data communication module and the second data communication module are arranged in the signal access module, and the first data communication module is a g.fast module and the second data communication module is a VDSL module, signals of the g.fast module and the VDSL module are coupled according to the transformer, so that the g.fast signal and the VDSL signal are compatible.
As an improvement of the above scheme, the number of the data communication modules is two, and the two data communication modules are respectively a first data communication module and a second data communication module;
the signal coupling end of the first data communication module is connected with the first signal coupling end of the transformer, and is used for receiving the communication signal, and in response to the fact that the signal type of the communication signal is the first signal type, the communication is carried out through the communication interface;
and the signal coupling end of the second data communication module is connected with the second signal coupling end of the transformer, and is used for receiving the communication signal, and in response to the fact that the signal type of the communication signal is the second signal type, the communication is carried out through the communication interface.
As an improvement of the above solution, the first data communication module is a g.fast module, and the second data communication module is a VDSL module;
a signal coupling end of the g.fast module is connected to the first signal coupling end of the transformer, and is configured to receive the communication signal, and perform training through the communication interface in response to that a signal type of the communication signal is a g.fast signal type;
and the VDSL module is connected with the second signal coupling end of the transformer at a signal coupling end, and is used for receiving the communication signal, and training through the communication interface in response to the fact that the signal type of the communication signal is a VDSL signal type.
Another embodiment of the present invention correspondingly provides a method for controlling a signal access module, including:
a first data communication module and a second data communication module receive communication signals sent by local side equipment;
the first data communication module judges the signal type of the communication signal, and responds to the fact that the communication signal is of a first signal type, and then communicates with the local side equipment through a communication interface;
and the second data communication module judges the signal type of the communication signal, and responds to the second signal type of the communication signal, and communicates with the local side equipment through a communication interface.
Compared with the prior art, in the method for controlling the signal access module disclosed by the embodiment of the invention, the first data communication module and the second data communication module in the access module both receive communication signals sent by the local side equipment, the first data communication module and the second data communication module respectively judge the signal type of the communication signals, and when the first data communication module judges that the communication signals are of the first signal type, the first data communication module communicates with the local side equipment through the communication interface; and when the second data communication module judges that the communication signal is of the second signal type, the second data communication module communicates with the local side equipment through a communication interface. Therefore, the access module can quickly judge the type of the communication information, and the data communication module which needs to be communicated with the local side equipment is determined according to the type of the communication information, so that the working efficiency of the signal access module is higher.
As an improvement of the above solution, after the first data communication module determines the signal type of the communication signal, and in response to the communication signal being the first signal type, communicates with the office device through a communication interface, the method further includes:
and finishing training with the local side equipment according to the protocol corresponding to the first signal type.
As an improvement of the above solution, after the second data communication module determines the signal type of the communication signal, and in response to the communication signal being of the second signal type, communicates with the office device through a communication interface, the method further includes:
and finishing training with the local side equipment according to the protocol corresponding to the second signal type.
As an improvement of the above solution, after the second data communication module determines the signal type of the communication signal, and in response to the communication signal being of the second signal type, communicates with the office device through a communication interface, the method further includes:
and in response to the fact that the communication signal is not of the second signal type, after the office equipment completes training in communication with the first data, the second data communication module is closed.
As an improvement of the above solution, after the first data communication module determines the signal type of the communication signal, and in response to the communication signal being the first signal type, communicates with the office device through a communication interface, the method further includes:
and in response to the fact that the communication signal is not of the first signal type, after the office-side equipment completes training with the second data communication, closing the first data communication module.
As an improvement of the above scheme, the first data communication module is a g.fast module, and the second data communication module is a VDSL module.
Another embodiment of the present invention correspondingly provides a signal access device, such as the signal access module according to the above embodiment of the present invention.
Compared with the prior art, the signal access equipment disclosed by the embodiment of the invention adopts the signal access module in the embodiment of the invention, and the transformer is connected with the at least two data communication modules, so that the plurality of data communication modules can receive the communication signals through the transformer at the same time, and the compatibility of the plurality of signals is realized. Therefore, when the first data communication module and the second data communication module are arranged in the signal access module, and the first data communication module is a g.fast module and the second data communication module is a VDSL module, signals of the g.fast module and the VDSL module are coupled according to the transformer, so that the signal access equipment realizes compatibility of the g.fast signal and the VDSL signal.
Drawings
Fig. 1 is a schematic structural diagram of a signal access module according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a signal access module according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a control method of a signal access module according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a signal access module according to an embodiment of the present invention.
An embodiment of the present invention provides a signal access module, including: a communication interface 1 for receiving communication signals, a transformer 2 for coupling signals, and at least two data communication modules for identifying signal types of the communication signals; wherein each data communication module identifies communication signals of one signal type, and the signal types identified between the data communication modules are different.
Each signal coupling end of the transformer 2 is connected with each signal coupling end of the data communication module, and the input end of the transformer 2 is connected with the communication interface 1.
It should be noted that the signal access module includes two data communication modules. In this embodiment, the first data communication module 3 is a g.fast module 31, the second data communication module 4 is a VDSL module 41, and may also be a VDSL2 module, and the like, as long as the signal types identified by all the data communication modules connected to the transformer 2 are different, which is not limited herein. The communication interface 1 may be an RJ11 interface, an RJ45 interface, or the like, and is not limited herein.
The working principle is as follows:
after the communication interface 1 receives the communication signal, the transformer 2 is connected with at least two data communication modules, so that the plurality of data communication modules can simultaneously receive the communication signal through the transformer 2, and the plurality of data communication modules respectively identify the communication signal, thereby realizing the compatibility of the plurality of signals. Since each data communication module recognizes only one signal type and the signal types are different, the data communication module communicating with the communication interface 1 can be determined according to the signal type. Therefore, when the first data communication module 3 and the second data communication module 4 are arranged in the signal access module, and the first data communication module 3 is the g.fast module 31, and the second data communication module 4 is the VDSL module 41, the signals of the g.fast module 31 and the VDSL module 41 are coupled according to the transformer 2, so that the compatibility of the g.fast signal and the VDSL signal is realized. And because the primary coil and the secondary coil of the transformer 2 transmit signals through the electromagnetic effect, the direct current blocking effect is achieved, the isolation effect on surge energy such as lightning stroke is achieved, high lightning protection capability can be achieved with low cost, and equipment is prevented from being frequently damaged in areas with frequent lightning strike. The signal access module can realize the isolation of outdoor lightning stroke energy without a relay, and the cost of the signal access module is low.
As an improvement of the above solution, the number of the data communication modules is two, and the two data communication modules are respectively a first data communication module 3 for receiving the communication signal, and when the signal type of the communication signal is a first signal type, the first data communication module performs communication through the communication interface 1, and a second data communication module 4 for receiving the communication signal, and when the signal type of the communication signal is a second signal type, the second data communication module performs communication through the communication interface 1.
The signal coupling end of the first data communication module 3 is connected with the first signal coupling end of the transformer 2, the signal coupling end of the second data communication module 4 is connected with the second signal coupling end of the transformer 2, and the input end of the transformer 2 is connected with the communication interface 1.
Specifically, the secondary side of the transformer 2 has two coupling coils respectively connected to the first data communication module 3 and the second data communication module 4, and couples the first signal of the first data communication module 3 and the second signal of the second data communication module 4 to the primary coil of the transformer 2, thereby implementing duplex output of the signals. When the communication interface 1 receives the communication signal, the first data communication module 3 and the second data communication module 4 can both receive the communication signal through the transformer 2, and the first data communication module 3 and the second data communication module 4 respectively judge the type of the communication signal. If the first data communication module 3 determines that the communication signal is of the first signal type, the first data communication module 3 performs communication through the communication interface 1. If the second data communication module 4 determines that the communication signal is of the second signal type, the second data communication module 4 performs communication through the communication interface 1. And because the primary coil and the secondary coil of the transformer 2 transmit signals through the electromagnetic effect, the direct current blocking effect is achieved, the isolation effect on surge energy such as lightning stroke is achieved, high lightning protection capability can be achieved with low cost, and equipment is prevented from being frequently damaged in areas with frequent lightning strike.
It should be noted that, when a plurality of data communication modules are disposed in the signal access module, the transformer 2 is correspondingly disposed with a plurality of coupling coils, and couples the signal to the primary coil of the transformer 2, so as to implement signal compatibility.
As an improvement of the above solution, the first data communication module 3 is a g.fast module 31, and the second data communication module 4 is a VDSL module 41; the g.fast module 31 is configured to receive the communication signal, and perform training through the communication interface 1 in response to that the signal type of the communication signal is a g.fast signal type; the VDSL module 41 is configured to receive the communication signal, and perform training through the communication interface 1 in response to that the signal type of the communication signal is a VDSL signal type.
A first signal coupling end of the transformer 2 is connected to a signal coupling end of the g.fast module 31, and a second signal coupling end of the transformer 2 is connected to a signal coupling end of the VDSL module 41.
Referring to fig. 2, in the embodiment, the g.fast module 31 is a g.fast physical layer, and the VDSL module 41 is a VDSL physical layer. The g.fast physical layer and the VDSL physical layer receive the communication information transmitted by the communication interface 1 at the same time, if the signal type of the communication information is the g.fast signal type, it is indicated that the g.fast device sends a signal to the signal access module, training is performed according to the g.fast protocol, and the VDSL physical layer keeps the receiving state until the g.fast physical layer finishes training and then is closed. If the signal type of the communication information is the VDSL signal type, it is indicated that the VDSL equipment sends signals to the signal access module, training is performed according to the VDSL protocol, and the G.fast physical layer keeps the receiving state until the VDSL physical layer is closed after training is completed.
Referring to fig. 3, a flowchart of a control method of a signal access module according to an embodiment of the present invention is shown.
An embodiment of the present invention correspondingly provides a method for controlling a signal access module, including:
s10, the first data communication module 3 and the second data communication module 4 receive the communication signal sent by the central office device.
It should be noted that, in this embodiment, the first data communication module 3 is a g.fast module 31, and the second data communication module 4 is a VDSL module 41.
In this embodiment, the g.fast module 31 and the VDSL module 41 simultaneously receive a communication signal, where the communication signal is training information sent by the central office device.
S20, the first data communication module 3 determines the signal type of the communication signal, and in response to the communication signal being the first signal type, communicates with the office device through the communication interface 1. Wherein the first signal type is a g.fast signal type.
In this embodiment, the g.fast module 31 receives the training information, determines the type of the training information, and if the training information is a g.fast signal type, it indicates that the office device is a g.fast device, and the g.fast module 31 communicates with the office device through the communication interface 1.
S30, the second data communication module 4 determines the signal type of the communication signal, and in response to the communication signal being of the second signal type, communicates with the office device through the communication interface 1. Wherein the second signal type is a VDSL signal type.
In this embodiment, the VDSL module 41 receives the training information, determines the type of the training information, and if the training information is a VDSL signal type, it indicates that the local side device is a VDSL device, and the VDSL module 41 communicates with the local side device through the communication interface 1.
Compared with the prior art, in the method for controlling the signal access module disclosed in the embodiment of the present invention, the first data communication module 3 and the second data communication module 4 in the access module both receive the communication signal sent by the office device, the first data communication module 3 and the second data communication module 4 respectively determine the signal type of the communication signal, and when the first data communication module 3 determines that the communication signal is of the first signal type, the first data communication module 3 communicates with the office device through the communication interface 1; when the second data communication module 4 determines that the communication signal is of the second signal type, the second data communication module 4 communicates with the office device through the communication interface 1. Therefore, the access module can quickly judge the type of the communication information, so that the type of the communication information determines the data communication module which needs to be communicated with the local side equipment, and the working efficiency of the signal access module is higher.
As an improvement of the above solution, after the first data communication module 3 determines the signal type of the communication signal, and responds that the communication signal is of the first signal type, and then communicates with the office device through the communication interface 1, the method further includes:
and S21, completing training with the local side equipment according to the protocol corresponding to the first signal type.
In this embodiment, the training is completed according to the protocol corresponding to the g.fast signal type, so that the g.fast module 31 and the central office device communicate normally.
As an improvement of the above solution, after the second data communication module 4 determines the signal type of the communication signal, and in response to that the communication signal is of the second signal type, communicates with the office device through the communication interface 1, the method further includes:
and S31, completing training with the local side equipment according to the protocol corresponding to the second signal type.
In this embodiment, the training is completed according to a protocol corresponding to the VDSL signal type, so that the VDSL module 41 communicates with the local side device normally.
As an improvement of the above solution, after the second data communication module 4 determines the signal type of the communication signal, and in response to that the communication signal is of the second signal type, communicates with the office device through the communication interface 1, the method further includes:
s32, in response to that the communication signal is not of the second signal type, after the office device completes training of communication with the first data, the second data communication module 4 is turned off.
In this embodiment, if the VDSL module 41 determines that the communication signal is not of the VDSL signal type, the VDSL module 41 is turned off after the g.fast module 31 completes training.
As an improvement of the above solution, after the first data communication module 3 determines the signal type of the communication signal, and in response to that the communication signal is of the first signal type, communicates with the office device through the communication interface 1, the method further includes:
s22, in response to that the communication signal is not of the first signal type, after the office device and the second data communication complete training, close the first data communication module 3.
In this embodiment, if the g.fast module 31 determines that the communication signal is not of the g.fast signal type, the g.fast module 31 is turned off after the VDSL module 41 finishes training.
An embodiment of the present invention correspondingly provides a signal access device, such as the signal access module according to the embodiment of the present invention.
In this embodiment, the signal access device is a CPE device, and may also be other signal access devices, which is not limited herein.
Compared with the prior art, the signal access equipment disclosed by the embodiment of the invention adopts the signal access module in the embodiment of the invention, and is connected with at least two data communication modules according to the transformer 2, so that a plurality of data communication modules can receive the communication signals through the transformer 2 at the same time. Therefore, when the first data communication module 3 and the second data communication module 4 are arranged in the signal access module, and the first data communication module 3 is the g.fast module 31, and the second data communication module 4 is the VDSL module 41, the signals of the g.fast module 31 and the VDSL module 41 are coupled according to the transformer 2, so that the signal access device realizes the compatibility of the g.fast signal and the VDSL signal.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A signal access module, comprising: the communication interface is used for receiving communication signals, the transformer is used for coupling the signals, and at least two data communication modules are used for identifying the signal type of the communication signals and communicating with the communication interface according to the signal type;
each signal coupling end of the transformer is respectively connected with the signal coupling end of each data communication module, and the input end of the transformer is connected with the communication interface;
wherein each data communication module identifies communication signals of one signal type, and the signal types identified between the data communication modules are different;
the number of the data communication modules is two, and the data communication modules are respectively a first data communication module and a second data communication module;
the signal coupling end of the first data communication module is connected with the first signal coupling end of the transformer, and is used for receiving the communication signal, and in response to the fact that the signal type of the communication signal is the first signal type, the communication is carried out through the communication interface;
and the signal coupling end of the second data communication module is connected with the second signal coupling end of the transformer, and is used for receiving the communication signal, and in response to the fact that the signal type of the communication signal is the second signal type, the communication is carried out through the communication interface.
2. The signal access module of claim 1, wherein the first data communication module is a g.fast module and the second data communication module is a VDSL module;
a signal coupling end of the g.fast module is connected to the first signal coupling end of the transformer, and is configured to receive the communication signal, and perform training through the communication interface in response to that a signal type of the communication signal is a g.fast signal type;
and the VDSL module is connected with the second signal coupling end of the transformer at a signal coupling end, and is used for receiving the communication signal, and training through the communication interface in response to the fact that the signal type of the communication signal is a VDSL signal type.
3. A method for controlling a signal access module, comprising:
a first data communication module and a second data communication module receive communication signals sent by local side equipment;
the first data communication module judges the signal type of the communication signal, and responds to the fact that the communication signal is of a first signal type, and then communicates with the local side equipment through a communication interface;
and the second data communication module judges the signal type of the communication signal, and responds to the second signal type of the communication signal, and communicates with the local side equipment through a communication interface.
4. The method for controlling a signal access module according to claim 3, wherein after the first data communication module determines the signal type of the communication signal and communicates with the office device through the communication interface in response to the communication signal being of the first signal type, the method further comprises:
and finishing training with the local side equipment according to the protocol corresponding to the first signal type.
5. The method for controlling a signal access module according to claim 3, wherein after the second data communication module determines the signal type of the communication signal and communicates with the office device through the communication interface in response to the communication signal being of the second signal type, the method further comprises:
and finishing training with the local side equipment according to a protocol corresponding to the second signal type.
6. The method for controlling a signal access module according to claim 4, wherein after the second data communication module determines the signal type of the communication signal and communicates with the office device through the communication interface in response to the communication signal being of the second signal type, the method further comprises:
and in response to the fact that the communication signal is not of the second signal type, after the office-side equipment completes training in communication with the first data, closing the second data communication module.
7. The method for controlling a signal access module according to claim 5, wherein after the first data communication module determines the signal type of the communication signal and communicates with the office device through the communication interface in response to the communication signal being of the first signal type, the method further comprises:
and in response to the fact that the communication signal is not of the first signal type, after the office-side equipment completes training with the second data communication, closing the first data communication module.
8. The method for controlling a signal access module according to any one of claims 3-7, wherein the first data communication module is a g.fast module and the second data communication module is a VDSL module.
9. A signal access device, characterized by a signal access module according to any one of claims 1-2.
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