CN207691815U - Utilize the optic-fiber repeater system of wavelength-division multiplex technique - Google Patents
Utilize the optic-fiber repeater system of wavelength-division multiplex technique Download PDFInfo
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- CN207691815U CN207691815U CN201721586985.6U CN201721586985U CN207691815U CN 207691815 U CN207691815 U CN 207691815U CN 201721586985 U CN201721586985 U CN 201721586985U CN 207691815 U CN207691815 U CN 207691815U
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- proximal end
- wavelength division
- division multiplexing
- optical module
- wavelength
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Abstract
The utility model is related to a kind of optic-fiber repeater systems using wavelength-division multiplex technique, the system includes near-end machine, remote termination and single-core fiber, the near-end machine includes proximal end wavelength division multiplexing communications subsystem, the remote termination includes distal end wavelength division multiplexing communications subsystem, and the proximal end wavelength division multiplexing communications subsystem is connect by single-core fiber with distal end wavelength division multiplexing communications subsystem.Compared with prior art, the utility model has many advantages, such as that flexibility is strong, at low cost.
Description
Technical field
The utility model is related to photoelectricity transmission fields, more particularly, to a kind of optical fiber repeater using wavelength-division multiplex technique
System.
Background technology
Current analog optical fiber direct discharging station, the communication connection of near-end machine and remote termination use single mode optical fiber, generally more
In the case of, operation wavelength is 1310nm and 1550nm.Main switching, the monitoring information for transmitting radiofrequency signal and distal end machine equipment.
If user needs additionally to transmit the data information of other large capacities, it is necessary to occupy original operation wavelength, or increase
Add number of fibers, original system certainly will be impacted, or cost is sharply increased.
By retrieval, China Patent Publication No. discloses a kind of radio frequency light transmission device for CN201563124U, including：Wave
Divide Multiplexing module, receive optical signal, carries out wavelength-division multiplex；Optical signal after wavelength-division multiplex is converted to telecommunications by photodetector
Number；Frequency-selecting and filtering module carries out frequency-selective filtering to electric signal, and branch transmits；Transmission module penetrates the master that frequency-selective filtering obtains
Frequency signal exports；Network module is connect by network with optical fiber repeater, the pipe that reception optical fiber repeater is carried out by network
Reason；Control module controls each module；The fsk signal that frequency-selective filtering obtains is received, passes through network module after being handled
Output.Convenience of the optical fiber repeater to radio frequency light transmission device management can be improved in the radio frequency light transmission device.But the reality
With it is novel be to carry out frequency-selective filtering again to convert optical signals to electric signal using Wavelength division multiplexing module, rather than in order to complete
The transfer function of Large Volume Data information cannot meet the requirement of the utility model.
Utility model content
The purpose of this utility model is exactly to provide to overcome the problems of the above-mentioned prior art and a kind of utilizing wavelength-division
The optic-fiber repeater system of multiplexing technology.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of optic-fiber repeater system using wavelength-division multiplex technique, the system include near-end machine, remote termination and list
Core fibre, the near-end machine include proximal end wavelength division multiplexing communications subsystem, and the remote termination includes that distal end wavelength-division multiplex is logical
Believe that subsystem, the proximal end wavelength division multiplexing communications subsystem are connected by single-core fiber and distal end wavelength division multiplexing communications subsystem
It connects.
Preferably, the proximal end wavelength division multiplexing communications subsystem includes proximal end Wavelength division multiplexing module, proximal end number optical mode
Block, proximal end protocol converter, proximal end radio frequency optical module and radio frequency unit, described proximal end Wavelength division multiplexing module one end respectively with closely
The digital optical module in end, the connection of proximal end radio frequency optical module, the other end are connected by single-core fiber and distal end wavelength division multiplexing communications subsystem
It connects；The proximal end number optical module is connected with proximal end protocol converter, and the proximal end radio frequency optical module and radio frequency unit connect
It connects.
Preferably, the distal end wavelength division multiplexing communications subsystem includes distal end Wavelength division multiplexing module, remote digital optical mode
Block, remote protocol converter, far end radio frequency optical module and duplexer, described distal end Wavelength division multiplexing module one end respectively with distal end
Digital optical module, the connection of far end radio frequency optical module, the other end are connect by single-core fiber with proximal end wavelength division multiplexing communications subsystem；
The remote digital optical module is connected with remote protocol converter, and the far end radio frequency optical module is connect with duplexer.
Preferably, proximal end wavelength division multiplexer, the proximal end wavelength division multiplexer point are equipped in the proximal end Wavelength division multiplexing module
It is not connect with proximal end number optical module and proximal end radio frequency optical module.
Preferably, the proximal end protocol converter is equipped with proximal end protocol conversion circuitry.
Preferably, the distal end Wavelength division multiplexing module is equipped with distal end wavelength division multiplexer, the distal end wavelength division multiplexer difference
It is connect with remote digital optical module and far end radio frequency optical module.
Preferably, the remote protocol converter is equipped with remote protocol conversion circuit.
Preferably, the far end radio frequency optical module is connect by LNA and PA with duplexer respectively.
Compared with prior art, the utility model has the following advantages：
1, the transmission capacity of optical fiber is increased using the broadband characteristic of optical fiber by wavelength-division multiplex technique, makes an optical fiber
The physical limits of transmission information are doubled to several times.
2, have in same root optical fiber, the ability of transmission 2 or several nonsynchronous signals is conducive to digital signal and mould
The compatibility of quasi- signal, it is unrelated with data rate and modulation, in the line between flexibly can take out or be added channel.
3, to built fibre system, the optical cable that the core number of especially early stage laying is few can as long as original system has power headroom
Further increase-volume is realized that multiple one way signals or transferring without for two-way signaling make big change to original system, is had stronger
Flexibility.
4, it due to substantially reducing the usage amount of optical fiber, greatly reduces construction cost, since number of fibers is few, works as appearance
When failure, it is also rapid convenient to restore to get up.
5, the increase of the sharing of active light device, transmission or new business to multiple signals reduces cost.
6, active equipment is greatly decreased in system, and which improves the reliabilities of system.
Description of the drawings
Fig. 1 is the circuit system block diagram of the utility model；
Fig. 2 is the Wavelength division multiplexing module connection diagram of the utility model.
Specific implementation mode
Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work should all belong to this
The range of utility model protection.
As shown in Figure 1, a kind of optic-fiber repeater system using wavelength-division multiplex technique, the system include near-end machine,
Remote termination and single-core fiber, the near-end machine include proximal end wavelength division multiplexing communications subsystem, and the remote termination includes distal end
Wavelength division multiplexing communications subsystem, the proximal end wavelength division multiplexing communications subsystem pass through single-core fiber and distal end wavelength division multiplexing communications
Subsystem connects.
The proximal end wavelength division multiplexing communications subsystem includes proximal end Wavelength division multiplexing module, proximal end number optical module, proximal end
Protocol converter, proximal end radio frequency optical module and radio frequency unit, described proximal end Wavelength division multiplexing module one end are digital with proximal end respectively
Optical module, the connection of proximal end radio frequency optical module, the other end are connect by single-core fiber with distal end wavelength division multiplexing communications subsystem；It is described
Proximal end number optical module connected with proximal end protocol converter, the proximal end radio frequency optical module is connected with radio frequency unit.
The distal end wavelength division multiplexing communications subsystem includes distal end Wavelength division multiplexing module, remote digital optical module, distal end
Protocol converter, far end radio frequency optical module and duplexer, described distal end Wavelength division multiplexing module one end respectively with remote digital light
Module, the connection of far end radio frequency optical module, the other end are connect by single-core fiber with proximal end wavelength division multiplexing communications subsystem；Described
Remote digital optical module is connected with remote protocol converter, and the far end radio frequency optical module passes through LNA and PA and duplex respectively
Device connects.
It is equipped with proximal end wavelength division multiplexer in the proximal end Wavelength division multiplexing module, is used for distal end wavelength division multiplexing communications subsystem
The multiplexed signals sended over of uniting is separated into 1470nm optical signals and 1310nm optical signals, and wherein 1470nm optical signals are sent to closely
The digital optical module in end, the 1310nm optical signals are sent to proximal end radio frequency optical module.
The proximal end protocol converter is equipped with proximal end protocol conversion circuitry, and the proximal end number optical module is by reception
1470nm optical signals are converted into electric signal, are sent to proximal end protocol conversion circuitry, and the proximal end protocol conversion circuitry will access
The IEEE802.3Z and ITU-T of digital optical module G.695 protocol signal be converted to standard meet IEEE802.3 network interface letter
Number, to provide transparent transmission network interface for the user at near-end machine, complete the transfer function of Large Volume Data information.
In transmit state, the proximal end wavelength division multiplexer by from proximal end number optical module 1490nm optical signals with
After the 1550nm optical signals of optical transmitter and receiver merge together, distal end wavelength division multiplexing communications subsystem is sent to by single-core fiber.
The distal end Wavelength division multiplexing module is equipped with distal end wavelength division multiplexer, is used for proximal end wavelength division multiplexing communications subsystem
The multiplexed signals of transmission is separated into 1490nm optical signals and 1550nm optical signals, and wherein 1490nm optical signals are sent by internal optical fiber
Optical signal to remote digital optical module, 1550nm wavelength is sent to far end radio frequency optical module.
The remote protocol converter is equipped with remote protocol conversion circuit, and the remote digital optical module is by reception
1490nm optical signals are converted to electric signal, are sent to remote protocol conversion circuit, and the remote protocol conversion circuit will access
The IEEE802.3Z and ITU-T of digital optical module G.695 protocol signal is converted to the network interface for meeting IEEE802.3 of standard
Signal completes the transfer function of Large Volume Data information to provide transparent transmission network interface for the user at near-end machine.
In transmit state, the distal end multiplexer is by 1470nm optical signals and light end from remote digital optical module
The 1310nm optical signals of machine merge together, and proximal end wavelength division multiplexing communications subsystem is sent to by single-core fiber.
As shown in Fig. 2, the input of digital optical module, output signal and former signal of communication are connected to wave by internal optical fiber
Divide Multiplexing module, signal is synthesized all the way by Wavelength division multiplexing module, passes through piece optical fiber transceiving of com port.
Therefore, the utility model only need to increase corresponding Wavelength division multiplexing module to original repeater equipment, without right
The single-core fiber laid of having constructed is replaced and is re-lay, you can is completed the further increase-volume to original system, is user
New separate network pass-through channel is provided, flexibility is stronger, and cost is relatively low.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in various
Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this practicality
Novel protection domain should be subject to the protection scope in claims.
Claims (8)
1. a kind of optic-fiber repeater system using wavelength-division multiplex technique, which is characterized in that the system includes near-end machine, remote
Terminal and single-core fiber, the near-end machine include proximal end wavelength division multiplexing communications subsystem, and the remote termination includes distal end wave
Multiplexed communications subsystem, the proximal end wavelength division multiplexing communications subsystem is divided to pass through single-core fiber and distal end wavelength division multiplexing communications
System connects.
2. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 1, it is characterised in that：It is described
Proximal end wavelength division multiplexing communications subsystem include proximal end Wavelength division multiplexing module, it is proximal end number optical module, proximal end protocol converter, close
End radio frequency optical module and radio frequency unit, described proximal end Wavelength division multiplexing module one end are penetrated with proximal end number optical module, proximal end respectively
Frequency optical module connects, and the other end is connect by single-core fiber with distal end wavelength division multiplexing communications subsystem；The proximal end digital light
Module is connected with proximal end protocol converter, and the proximal end radio frequency optical module is connected with radio frequency unit.
3. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 1, it is characterised in that：It is described
Distal end wavelength division multiplexing communications subsystem include distal end Wavelength division multiplexing module, it is remote digital optical module, remote protocol converter, remote
Hold radio frequency optical module and duplexer, described distal end Wavelength division multiplexing module one end respectively with remote digital optical module, far end radio frequency
Optical module connects, and the other end is connect by single-core fiber with proximal end wavelength division multiplexing communications subsystem；The remote digital optical mode
Block is connected with remote protocol converter, and the far end radio frequency optical module is connect with duplexer.
4. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 2, it is characterised in that：It is described
Proximal end Wavelength division multiplexing module in be equipped with proximal end wavelength division multiplexer, the proximal end wavelength division multiplexer respectively with proximal end number optical module and
Proximal end radio frequency optical module connection.
5. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 4, it is characterised in that：It is described
Proximal end protocol converter be equipped with proximal end protocol conversion circuitry.
6. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 3, it is characterised in that：It is described
Distal end Wavelength division multiplexing module be equipped with distal end wavelength division multiplexer, the distal end wavelength division multiplexer respectively with remote digital optical module and far
Hold radio frequency optical module connection.
7. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 6, it is characterised in that：It is described
Remote protocol converter be equipped with remote protocol conversion circuit.
8. a kind of optic-fiber repeater system using wavelength-division multiplex technique according to claim 3, it is characterised in that：It is described
Far end radio frequency optical module connect respectively with duplexer by LNA and PA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586985.6U CN207691815U (en) | 2017-11-23 | 2017-11-23 | Utilize the optic-fiber repeater system of wavelength-division multiplex technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721586985.6U CN207691815U (en) | 2017-11-23 | 2017-11-23 | Utilize the optic-fiber repeater system of wavelength-division multiplex technique |
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| Publication Number | Publication Date |
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| CN207691815U true CN207691815U (en) | 2018-08-03 |
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| CN201721586985.6U Active CN207691815U (en) | 2017-11-23 | 2017-11-23 | Utilize the optic-fiber repeater system of wavelength-division multiplex technique |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
-
2017
- 2017-11-23 CN CN201721586985.6U patent/CN207691815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109831254A (en) * | 2017-11-23 | 2019-05-31 | 通号通信信息集团上海有限公司 | A kind of optic-fiber repeater system using wavelength-division multiplex technique |
| CN109831254B (en) * | 2017-11-23 | 2023-10-10 | 通号通信信息集团上海有限公司 | Optical fiber repeater system using wavelength division multiplexing technology |
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