CN201893791U - Time division multiplexing optical transceiver - Google Patents
Time division multiplexing optical transceiver Download PDFInfo
- Publication number
- CN201893791U CN201893791U CN2010206670589U CN201020667058U CN201893791U CN 201893791 U CN201893791 U CN 201893791U CN 2010206670589 U CN2010206670589 U CN 2010206670589U CN 201020667058 U CN201020667058 U CN 201020667058U CN 201893791 U CN201893791 U CN 201893791U
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- Prior art keywords
- division multiplexing
- time division
- circuit
- distributor
- electrically connected
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Abstract
The utility model relates to a time division multiplexing optical transceiver, which comprises a wavelength division multiplexing/demultiplexing device, a laser optical receiving module, a two-way filter, an amplifier, a distributor, a time division multiplexing switcher and a laser circuit, wherein the wavelength division multiplexing/demultiplexing device is used for combining optical signals with different wavelengths into one optical fiber during transmission and separating the optical signals from the optical fiber during receiving, the laser optical receiving module is connected to the wavelength division multiplexing/demultiplexing device and converts optical signals into electric signals, the two-way filter is connected to the laser optical receiving module, the amplifier is connected to the two-way filter, the distributor comprises an input end and two output ends, the input end is connected to the amplifier, the distributor distributes the electric signals to the two output ends, the time division multiplexing switcher is connected to one of the two output ends, the laser circuit is connected to the other one of the two output ends, the time division multiplexing switcher and the wavelength division multiplexing/demultiplexing device, the laser circuit is conducted at distributed time slots by the time division multiplexing switcher, and the laser circuit is broken at other time slots. Through the time division multiplexing optical transceiver, noise generated by data uploading can not be accumulated, in addition, the bandwidth is effectively distributed, and the data transmission capability is greatly improved.
Description
Technical field
The utility model relates to a kind of optical transceiver, relates in particular to a kind of time division multiplexing optical transceiver.
Background technology
The frequency range of existing fiber communication is big because of the frequency range than other mechanicss of communication, therefore can transmit more substantial data and the user is provided better network service.
As shown in Figure 3, existing fiber optic network adopts hybred fiber-coax (HFC) framework more, meaning promptly, adopt Optical Fiber Transmission by the optical terminus machine 90 of machine room to the main line section of optical transceiver 91, follow part endways, with signal by main line splitter 92 minutes at the most the bar coaxial cable be sent to the Cable Modem 93 or the TV 94 of client with the dendroid framework, yet, when uploading data, the electronic product that is connected with network in each client man is (as TV, modems etc.) noise that is produced can add up in the coaxial cable transport process mutually, again by the optical terminus machine 90 of optical transceiver 91 return path signals to machine room, cause noise too high, and the reduction overall network performance in addition, is subject to the frequency range of coaxial cable, and existing optical transceiver 91 lacks effective multiplex's technology, if when same time data flow was excessive, frequency range can't effectively distribute, and has the slow excessively problem of network.
As shown in Figure 4, in order to address the above problem, relevant dealer further researches and develops for optical transceiver 91 of configuration in each client family, optical terminus machine 90 to 91 of each optical transceivers by machine room adopt Optical Fiber Transmission, equipment for surfing the net in each client man is connected to corresponding optical transceiver 91 with coaxial cable again, linking to the method for network, yet said method must rearrange fibre circuit, and cost is too high and carry out difficulty.
The utility model content
Too high for solving the signal noise that existing optical transceiver receives from client, and lack effective multiplex's technology, frequency range can't effectively distribute and reduce the problem of network performance, the utility model main purpose provides a kind of time division multiplexing optical transceiver that can improve existing shortcoming, technology by time division multiplexing, the noise that each client produces when uploading data can not add up, and can effectively distribute frequency range, and data transmission capabilities is significantly improved.
The technological means that the utility model used is to provide a kind of time division multiplexing optical transceiver, comprises:
One partial wave multiplex (MUX)/de-multiplexer is used for wavelength optical signals is incorporated in the optical fiber when transmitting, and is used for wavelength optical signals is told in optical fiber when receiving;
One laser light receiver module is connected to this partial wave multiplex (MUX)/de-multiplexer, in order to transfer light signal to the signal of telecommunication;
One two-way filter is connected to this laser light receiver module, and this bidirectional filter is used for filtering;
One amplifier is electrically connected to this bidirectional filter, in order to amplify the signal of telecommunication of receiving from this bidirectional filter;
One distributor comprises an input and two outputs, and this input is electrically connected to this amplifier, and this distributor is dispensed to two these outputs with the signal of telecommunication behind the signal of telecommunication of receiving this amplifier;
One time division multiplexing switch is electrically connected in two outputs of this distributor; And
One radium-shine laser circuit, be electrically connected in two outputs of this distributor another, this time division multiplexing switch and this partial wave multiplex (MUX)/de-multiplexer, in order to transferring light signal to from the signal of telecommunication that this distributor is received, this time division multiplexing switch is used for switching this radium-shine laser circuit break-make, this time division multiplexing switch switches this radium-shine laser circuit conducting in assigned time slot, and light signal is sent to this partial wave multiplex (MUX)/de-multiplexer, this time division multiplexing switch switches this radium-shine laser circuit in other time slots and opens circuit.
Aforesaid time division multiplexing optical transceiver, wherein said time division multiplexing switch comprises the voltage stabilizing circuit, a frequency-discriminating circuit, the circuits for triggering and that are electrically connected in regular turn and switches switch, this frequency-discriminating circuit is electrically connected to this distributor, this diverter switch is electrically connected to this radium-shine laser circuit, is used for switching this radium-shine laser circuit break-make.
Aforesaid time division multiplexing optical transceiver, wherein said bidirectional filter comprise a high pass circuit and a low pass circuit.
The time division multiplexing optical transceiver that the utility model utilization is provided, the concrete benefit that can obtain is:
Optical transceiver of the present utility model, by the technology of time division multiplexing, the data that the client uploads must be transmitted in the time slot that is distributed, thereby the noise that produces between the user can not add up, and can effectively distribute frequency range by the distribution of time slot, data transmission capabilities and efficient are significantly improved.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model preferred embodiment.
Fig. 2 is the system configuration schematic diagram of the utility model preferred embodiment.
Fig. 3 is an existing fiber network system configuration schematic diagram.
Fig. 4 is an existing fiber network system configuration schematic diagram.
[main element symbol description]
10 time division multiplexing optical transceivers, 11 partial wave multiplex (MUX)/de-multiplexers
12 laser light receiver modules, 13 bidirectional filters
14 amplifiers, 15 distributors
16 time division multiplexing switchs, 161 voltage stabilizing circuits
162 frequency-discriminating circuits, 163 circuits for triggering
164 diverter switches, 17 radium-shine laser circuits
20 user's equipment 20A Cable Modems
30 optical splitter devices, 40 optical terminus machines
90 optical terminus machines, 91 optical transceivers
92 main line splitters, 93 Cable Modems
94 TVs.
Embodiment
Being can detail knowledge technical characterictic of the present utility model and practical effect, and can implement according to the content of specification, further with as the preferred embodiment shown in graphic, describes in detail as the back now:
The preferred embodiment of time division multiplexing optical transceiver 10 provided by the utility model as shown in Figures 1 and 2, it comprises a partial wave multiplex (MUX)/de-multiplexer 11, a laser light receiver module 12, one two-way filter 13, an amplifier 14, a distributor 15, a time division multiplexing switch 16 and a radium-shine laser circuit 17.
This partial wave multiplex (MUX)/de-multiplexer 11 is used for wavelength optical signals is incorporated in the optical fiber when transmitting, and is used for wavelength optical signals is told in optical fiber when receiving.
This laser light receiver module 12 is connected to this partial wave multiplex (MUX)/de-multiplexer 11, in order to transfer light signal to the signal of telecommunication.
This bidirectional filter 13 is connected to this laser light receiver module 12, comprises a high pass circuit and a low pass circuit, is used for filtering.
This amplifier 14 is electrically connected to this bidirectional filter 13, in order to amplify the signal of telecommunication of receiving from this bidirectional filter 13.
This distributor 15 comprises an input and two outputs, and this input is electrically connected to this amplifier 14, and this distributor 15 is dispensed to this two outputs with the signal of telecommunication behind the signal of telecommunication of receiving this amplifier 14.
This time division multiplexing switch 16 is electrically connected in two outputs of this distributor 15, switch switch 164 and comprise the voltage stabilizing circuit 161, a frequency-discriminating circuit 162, the circuits for triggering 163 and that are electrically connected in regular turn, this frequency-discriminating circuit 162 is electrically connected to this distributor 15.
This radium-shine laser circuit 17 is electrically connected to another in two outputs of this distributor 15, this time division multiplexing switch 16 and this partial wave multiplex (MUX)/de-multiplexer 11, in order to transferring light signal to from the signal of telecommunication that this distributor 15 is received, this diverter switch 164 is electrically connected to this radium-shine laser circuit 17, be used for switching these radium-shine laser circuit 17 break-makes, this time division multiplexing switch 16 switches these radium-shine laser circuit 17 conductings by this diverter switch 164 in assigned time slot, and light signal is sent to this partial wave multiplex (MUX)/de-multiplexer 11, this time division multiplexing switch 16 switches this radium-shine laser circuit 17 in other time slots and opens circuit.
When the utility model uses, this bidirectional filter 13 is electrically connected to more than one user's equipment 20 (as Cable Modem 20A or TV 20B), and an optical splitter device 30 connects the partial wave multiplex (MUX)/de-multiplexer 11 of a plurality of time division multiplexing optical transceivers 10 respectively by optical fiber.When uploading, tendency to develop is sent user's terminal equipment 21 (as computer) of data to produce and is uploaded data, each Cable Modem 20A switches in assigned time slot, and uploading that user's terminal equipment 21 of complying with correspondence is transmitted sent after the data correspondence produces the signal of telecommunication, the time division multiplexing switch 16 of each optical transceiver switches in assigned time slot, and the electrical signal conversion that this time division multiplexing optical transceiver 10 is transmitted the Cable Modem 20A of correspondence is sent after becoming light signal, after this optical splitter device 30 is connected in series the light signal of being received by each time division multiplexing optical transceiver 10, deliver to this optical terminus machine 40.
When downloading, after producing light signal, the optical terminus machine 40 of machine room is sent to this optical splitter device 30, this optical splitter device 30 transmits corresponding light signal to this time division multiplexing optical transceiver 10 in time division multiplexing optical transceiver 10 assigned time slots, this time division multiplexing optical transceiver 10 transfers this light signal to the signal of telecommunication, reaches corresponding user's equipment 20.
The utility model is by the technology of time division multiplexing, and the data that the client uploads must be in the time slot transmission that is distributed, thereby the noise that produces between the user can not add up, and can effectively distribute frequency range by the distribution of time slot, and data transmission capabilities and efficient are significantly improved.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction; any those skilled in the art are in the scope that does not break away from technical characterictic that the utility model is carried; the technology contents that utilizes the utility model to disclose is made the local equivalent embodiment that changes or modify; and do not break away from technical characterictic content of the present utility model, all still belong in the protection range of claim of the present utility model.
Claims (4)
1. a time division multiplexing optical transceiver is characterized in that, comprises:
One partial wave multiplex (MUX)/de-multiplexer is used for wavelength optical signals is incorporated in the optical fiber when transmitting, and is used for wavelength optical signals is told in optical fiber when receiving;
One laser light receiver module is connected to this partial wave multiplex (MUX)/de-multiplexer, in order to transfer light signal to the signal of telecommunication;
One two-way filter is connected to this laser light receiver module, and this bidirectional filter is used for filtering;
One amplifier is electrically connected to this bidirectional filter, in order to amplify the signal of telecommunication of receiving from this bidirectional filter;
One distributor comprises an input and two outputs, and this input is electrically connected to this amplifier, and this distributor is dispensed to this two outputs with the signal of telecommunication behind the signal of telecommunication of receiving this amplifier;
One time division multiplexing switch is electrically connected in two outputs of this distributor; And
One radium-shine laser circuit, be electrically connected in two outputs of this distributor another, this time division multiplexing switch and this partial wave multiplex (MUX)/de-multiplexer, in order to transferring light signal to from the signal of telecommunication that this distributor is received, this time division multiplexing switch is used for switching this radium-shine laser circuit break-make, this time division multiplexing switch switches this radium-shine laser circuit conducting in assigned time slot, and light signal is sent to this partial wave multiplex (MUX)/de-multiplexer, this time division multiplexing switch switches this radium-shine laser circuit in other time slots and opens circuit.
2. time division multiplexing optical transceiver as claimed in claim 1, it is characterized in that, described time division multiplexing switch comprises the voltage stabilizing circuit, a frequency-discriminating circuit, the circuits for triggering and that are electrically connected in regular turn and switches switch, this frequency-discriminating circuit is electrically connected to this distributor, this diverter switch is electrically connected to this radium-shine laser circuit, is used for switching this radium-shine laser circuit break-make.
3. time division multiplexing optical transceiver as claimed in claim 2 is characterized in that, described bidirectional filter comprises a high pass circuit and a low pass circuit.
4. time division multiplexing optical transceiver as claimed in claim 1 is characterized in that, described bidirectional filter comprises a high pass circuit and a low pass circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206670589U CN201893791U (en) | 2010-12-14 | 2010-12-14 | Time division multiplexing optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206670589U CN201893791U (en) | 2010-12-14 | 2010-12-14 | Time division multiplexing optical transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201893791U true CN201893791U (en) | 2011-07-06 |
Family
ID=44223260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206670589U Expired - Fee Related CN201893791U (en) | 2010-12-14 | 2010-12-14 | Time division multiplexing optical transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201893791U (en) |
-
2010
- 2010-12-14 CN CN2010206670589U patent/CN201893791U/en not_active Expired - Fee Related
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Legal Events
| 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: 20110706 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |