CN201750419U - Optic-fiber repeater system with double fiber backups - Google Patents
Optic-fiber repeater system with double fiber backups Download PDFInfo
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- CN201750419U CN201750419U CN2010201238813U CN201020123881U CN201750419U CN 201750419 U CN201750419 U CN 201750419U CN 2010201238813 U CN2010201238813 U CN 2010201238813U CN 201020123881 U CN201020123881 U CN 201020123881U CN 201750419 U CN201750419 U CN 201750419U
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Abstract
The utility model discloses an optic-fiber repeater system with double fiber backups, which comprises a repeater terminal, a remote terminal, a halving optical coupling unit and an optical backup switching unit. The repeater terminal is connected with the halving optical coupling unit through an optical fiber; the optical backup switching unit is connected with the remote terminal through optical fiber; and meanwhile, the halving optical coupling unit and the optical backup switching unit are connected through two paths of remote optical fibers. In the system, by adding the halving optical coupling unit and the optical backup switching unit on the basis of the common optic-fiber repeater system, the two paths of remote optical fibers are enabled to be connected with the repeater terminal and the remote terminal, and the backup optical path is provided on the basis of the main optical path. Therefore, a simple and rapid solution for meeting the transmission redundancy backup requirement of the optic-fiber repeater is provided.
Description
Technical field
The utility model relates to the optical fiber repeater technology, relates in particular to a kind of optical fiber repeater system of two fine backups.
Background technology
Along with the continuous expansion that mobile communications network is used, the mobile communication optical fiber repeater has obtained application more and more widely.Optical fiber is as the transmission medium of such repeater equipment, has that loss is little, antijamming capability strong, broader bandwidth and a steady operation and other merits.But compare with common wireless discharging-directly station, there are shortcomings such as the single and optical fiber physics material of transmission link is fragile in existing optical fiber repeater.Therefore, at the higher occasion of some covering system reliability requirements (such as cluster private network, subway, airport, conference and exhibition center, large stadium etc.), people have also proposed the requirement of redundancy backup to the optical fiber repeater reliability of link transmission.The utility model is exactly the backup requirements at this type optical fiber system, and a kind of solution of detection and switching of optical link is provided, and by the configuration correlation unit, reaches the function of two fine backups on common optical fiber repeater basis.
The utility model content
The purpose of this utility model is to provide a kind of optical fiber repeater system of two fine backups, native system is by increasing by 1 fen 2 optical coupling unit and light path backup switch unit on ordinary optic fibre direct discharging station basis, use the two-way remote fiber to realize being connected between relaying terminal and the remote termination, on main basis, provide standby light path, thereby the redundancy backup demand of transmitting for optical fiber repeater provides a kind of simple and efficient solution with light path.
The purpose of this utility model is achieved through the following technical solutions: a kind of optical fiber repeater systems of two fine backups, be made up of relaying terminal, remote termination, 1 fen 2 optical coupling unit and light path backup switch unit.Described relaying terminal is connected with 1 minute 2 optical coupling unit by optical fiber; Described light path backup switch unit is connected with remote termination by optical fiber; Simultaneously, optical coupling unit was connected by the two-way remote fiber with light path backup switch unit in described 1 minute 2.
Described light path backup switch unit detects control module by optical coupler, light and optical switch is formed.The optical interface 4 of described optical coupler is connected with the interface 6 that light detects control module by optical fiber, the optical interface 5 of described optical coupler is connected with the optical interface 9 of optical switch by optical fiber, and the interface 7 that described light detects control module is connected with the control interface 8 of optical switch; Simultaneously, the optical interface 1 of described optical coupler, the optical interface 2 of optical switch respectively are connected with 1 minute 2 optical coupling unit by 1 great distance journey optical fiber, and the optical interface 3 of described optical switch is connected with remote termination by optical fiber.
N optical fiber repeater system can be dragged for 1 by the optical fiber repeater systems of the two fine backups of the utility model, and N is the integer greater than 1.
The optical fiber repeater system of the two fine backups of the utility model can be M frequency range system, and M is generally 1,2 or 3.
The optical fiber repeater system of a kind of two fine backups of the utility model, in the practical application, remote fiber between the optical interface 1 of general default 1 minute 2 optical coupling unit and optical coupler is to lead to use light path, and the remote fiber between the optical interface 2 of 1 minute 2 optical coupling unit and optical switch is standby light path.Can certainly make opposite default according to actual needs.Operation principle of the present utility model is as follows:
1, main with under the state, the optical interface 9 of optical switch is in connected state with the optical interface 3 of optical switch, the optical interface 1 that also is optical coupler is communicated with the optical interface 3 of optical switch through optical interface 5, optical interface 9 successively, and the optical interface 2 of optical switch and the optical interface 3 of optical switch are in off-state; The downstream signal that optical fiber repeater is coupled out from the base station amplifies by the relaying terminal and electric light is converted to light signal, light signal enters into 1 minute 2 optical coupling unit by optical fiber, after optical coupling unit was divided into two-way with light signal in 1 minute 2, send to the light path backup switch unit of far-end respectively by the two-way remote fiber, pass to the optical interface 1 of optical coupler and the optical interface 2 of optical switch respectively; The optical signals light detection control module that enters optical coupler through optical interface 1 detects, do not detect the weak default threshold value of light detection control module that surpasses of luminous power if having, then the light signal that enters optical coupler through optical interface 1 enters optical switch by the optical interface 5 of optical coupler, the optical interface 9 of optical switch more successively, optical interface 3 through optical switch sends to remote termination again, after the opto-electronic conversion and amplification of light signal through remote termination, launch by cover antenna;
The transport stream signal journey of uplink is just opposite, upward signal is capped antenna and receives, amplification and electric light through remote termination are converted to light signal, light signal is transmitted into the optical interface 3 of optical switch in the light path backup switch unit by optical fiber, then successively through the optical interface 9 of optical switch, the optical interface 5 of optical coupler enters optical coupler, then through the optical interface 1 of optical coupler, and send to 1 minute 2 optical coupling unit by remote fiber, light signal arrives the relaying terminal through optical fiber after being coupled by 1 minute 2 optical coupling unit, the light signal that the relaying terminal receives sends to the base station by opto-electronic conversion with after amplifying by coupler.
2, when the master breaks down with light path, the light of light path backup switch unit detects the weak threshold value of presetting that surpasses that control module will detect luminous power, thereby the control signal of sending, driven optical switch switches to standby light path, the optical interface 2 and the optical interface 3 that promptly are communicated with optical switch disconnect the optical interface 9 of optical switch and the optical interface 3 of optical switch; Therefore, 1 minute 2 optical coupling unit enters the light signal of the optical interface 2 of optical switch by remote fiber, sends to remote termination through the optical interface 3 of optical switch, and light signal is launched by cover antenna through the opto-electronic conversion of remote termination with after amplifying;
The transport stream signal journey of uplink is just opposite, upward signal is capped antenna and receives, amplification and electric light through remote termination are converted to light signal, be transmitted into light path backup switch unit by optical fiber, optical interface 3 by optical switch receives, then through the optical interface 2 of optical switch, send to 1 minute 2 optical coupling unit by remote fiber, light signal arrives the relaying terminal through optical fiber after being coupled by 1 minute 2 optical coupling unit, the light signal that the relaying terminal receives sends to the base station by opto-electronic conversion with after amplifying by coupler;
3, after the master is with the light path fault recovery, the light of light path backup switch unit detects the recovery that control module will detect luminous power, thereby the control signal of sending, driven optical switch switches to the main light path of using, promptly be communicated with the optical interface 9 of optical switch and the optical interface 3 of optical switch, carry out the signal transmission according to the operation of above-mentioned steps 1 then.
The utility model beneficial effect relative and prior art is as follows: native system is by increasing by 1 fen 2 optical coupling unit and light path backup switch unit on ordinary optic fibre direct discharging station basis, use the two-way remote fiber to realize communicating by letter between relaying terminal and the remote termination, when the master is normal with light path, signal is by the main optic path of using, light path backup switch unit carries out real-time optical path states detection to main with light path, when the master breaks down with light path, automatically switch to standby light path and communicate; When main with the light path fault recovery after, the light of light path backup switch unit detects the recovery that control module will detect luminous power, sends control signal, driven optical switch switches to mainly carries out the signal transmission with light path.Thereby for the redundancy backup demand of optical fiber repeater transmission provides a kind of simple and efficient solution.
Description of drawings
Fig. 1 is the optical fiber repeater system configuration schematic diagram of a kind of two fine backups of the utility model;
Fig. 2 is the structural representation of the light path backup switch unit in a kind of two fine optical fiber repeater systems that back up of the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment
Generally speaking, the optical fiber repeater systems of a kind of two fine backups of the utility model are on the basis of traditional optical fiber repeater, realize the light path backup functionality by increasing by 1 minute 2 optical coupling unit and light path backup switch unit between relaying terminal and the remote termination.
Figure 1 shows that the utility model realizes that 1 drags 1 zoom out and the general structure when covering scheme, be the 1 optical fiber repeater system of dragging 1 pair of fine backup, comprise 1 relaying terminal and 1 remote termination, 1 fen 2 optical coupling unit, a light path backup switch unit.Wherein, BTS is connected with coupler, relaying terminal successively, and the relaying terminal is connected with 1 minute 2 optical coupling unit by 1 optical fiber; Optical coupling unit was connected with light path backup switch unit simultaneously by 2 remote fibers in 1 minute 2, and described light path backup switch unit is connected with remote termination by an optical fiber.
As shown in Figure 2, described light path backup switch unit is made up of optical coupler, light detection control module and optical switch.The optical interface 4 of described optical coupler is connected with the interface 6 that light detects control module by optical fiber, the optical interface 5 of described optical coupler is connected with the optical interface 9 of optical switch by optical fiber, and the interface 7 that described light detects control module is connected with the control interface 8 of optical switch; Simultaneously, the optical interface 1 of described optical coupler, the optical interface 2 of optical switch respectively are connected with 1 minute 2 optical coupling unit by 1 great distance journey optical fiber, and the optical interface 3 of described optical switch is connected with remote termination by optical fiber.
N optical fiber repeater system can be dragged for 1 by the optical fiber repeater systems of the two fine backups of the utility model, and N is the integer greater than 1.
The optical fiber repeater system of the two fine backups of the utility model can be M frequency range system, and M is generally 1,2 or 3.
The optical fiber repeater system of a kind of two fine backups of the utility model, in the practical application, remote fiber between the optical interface 1 of general default 1 minute 2 optical coupling unit and optical coupler is to lead to use light path, and the remote fiber between the optical interface 2 of 1 minute 2 optical coupling unit and optical switch is standby light path.Can certainly make opposite default according to actual needs.Operation principle of the present utility model is as follows:
1, main with under the state, the optical interface 9 of optical switch is in connected state with the optical interface 3 of optical switch, the optical interface 1 that also is optical coupler is communicated with the optical interface 3 of optical switch through optical interface 5, optical interface 9 successively, and the optical interface 2 of optical switch and the optical interface 3 of optical switch are in off-state; The downstream signal that optical fiber repeater is coupled out from the base station amplifies by the relaying terminal and electric light is converted to light signal, light signal enters into 1 minute 2 optical coupling unit by optical fiber, after optical coupling unit was divided into two-way with light signal in 1 minute 2, send to the light path backup switch unit of far-end respectively by the two-way remote fiber, pass to the optical interface 1 of optical coupler and the optical interface 2 of optical switch respectively; The optical signals light detection control module that enters optical coupler through optical interface 1 detects, do not detect the weak default threshold value of light detection control module that surpasses of luminous power if having, then the light signal that enters optical coupler through optical interface 1 enters optical switch by the optical interface 5 of optical coupler, the optical interface 9 of optical switch more successively, optical interface 3 through optical switch sends to remote termination again, after the opto-electronic conversion and amplification of light signal through remote termination, launch by cover antenna;
The transport stream signal journey of uplink is just opposite, upward signal is capped antenna and receives, amplification and electric light through remote termination are converted to light signal, light signal is transmitted into the optical interface 3 of optical switch in the light path backup switch unit by optical fiber, then successively through the optical interface 9 of optical switch, the optical interface 5 of optical coupler enters optical coupler, then through the optical interface 1 of optical coupler, and send to 1 minute 2 optical coupling unit by remote fiber, light signal arrives the relaying terminal through optical fiber after being coupled by 1 minute 2 optical coupling unit, the light signal that the relaying terminal receives sends to the base station by opto-electronic conversion with after amplifying by coupler.
2, when the master breaks down with light path, the light of light path backup switch unit detects the weak threshold value of presetting that surpasses that control module will detect luminous power, thereby the control signal of sending, driven optical switch switches to standby light path, the optical interface 2 and the optical interface 3 that promptly are communicated with optical switch disconnect the optical interface 9 of optical switch and the optical interface 3 of optical switch; Therefore, 1 minute 2 optical coupling unit enters the light signal of the optical interface 2 of optical switch by remote fiber, sends to remote termination through the optical interface 3 of optical switch, and light signal is launched by cover antenna through the opto-electronic conversion of remote termination with after amplifying;
The transport stream signal journey of uplink is just opposite, upward signal is capped antenna and receives, amplification and electric light through remote termination are converted to light signal, be transmitted into light path backup switch unit by optical fiber, optical interface 3 by optical switch receives, then through the optical interface 2 of optical switch, send to 1 minute 2 optical coupling unit by remote fiber, light signal arrives the relaying terminal through optical fiber after being coupled by 1 minute 2 optical coupling unit, the light signal that the relaying terminal receives sends to the base station by opto-electronic conversion with after amplifying by coupler;
3, after the master is with the light path fault recovery, the light of light path backup switch unit detects the recovery that control module will detect luminous power, thereby the control signal of sending, driven optical switch switches to the main light path of using, promptly be communicated with the optical interface 9 of optical switch and the optical interface 3 of optical switch, carry out the signal transmission according to the operation of above-mentioned steps 1 then.
The foregoing description is the utility model typical embodiment; but execution mode of the present utility model is not limited by the examples; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (5)
1. the optical fiber repeater system of two fine backups is characterized in that: be made up of relaying terminal, remote termination, 1 fen 2 optical coupling unit and light path backup switch unit; Described relaying terminal is connected with 1 minute 2 optical coupling unit by optical fiber; Described light path backup switch unit is connected with remote termination by optical fiber; Simultaneously, optical coupling unit was connected by the two-way remote fiber with light path backup switch unit in described 1 minute 2.
2. the optical fiber repeater system of a kind of two fine backups as claimed in claim 1 is characterized in that: described light path backup switch unit detects control module by optical coupler, light and optical switch is formed; The optical interface of described optical coupler (4) is connected with the interface (6) that light detects control module by optical fiber, the optical interface of described optical coupler (5) is connected with the optical interface (9) of optical switch by optical fiber, and the interface (7) that described light detects control module is connected with the control interface (8) of optical switch; Simultaneously, the optical interface (2) of the optical interface of described optical coupler (1), optical switch respectively is connected with 1 minute 2 optical coupling unit by 1 great distance journey optical fiber, and the optical interface of described optical switch (3) is connected with remote termination by optical fiber.
3. the optical fiber repeater systems of a kind of two fine backups as claimed in claim 1 or 2 is characterized in that: N optical fiber repeater system 1 is dragged by the optical fiber repeater system of the fine backup of this pair, and N is the integer greater than 1.
4. the optical fiber repeater system of a kind of two fine backups as claimed in claim 1 or 2 is characterized in that: the optical fiber repeater system of the fine backup of this pair is a M frequency range system, and M is 1,2 or 3.
5. the optical fiber repeater system of a kind of two fine backups as claimed in claim 3 is characterized in that: the optical fiber repeater system of the fine backup of this pair is a M frequency range system, and M is 1,2 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201238813U CN201750419U (en) | 2010-02-26 | 2010-02-26 | Optic-fiber repeater system with double fiber backups |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201238813U CN201750419U (en) | 2010-02-26 | 2010-02-26 | Optic-fiber repeater system with double fiber backups |
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| CN201750419U true CN201750419U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201238813U Expired - Fee Related CN201750419U (en) | 2010-02-26 | 2010-02-26 | Optic-fiber repeater system with double fiber backups |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780530A (en) * | 2011-12-26 | 2012-11-14 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN109361455A (en) * | 2018-10-25 | 2019-02-19 | 三维通信股份有限公司 | A kind of digital optical fiber repeater system and switching method of band backup |
| CN110149149A (en) * | 2019-05-14 | 2019-08-20 | 北京小鸟科技股份有限公司 | Communication module and KVM switching equipment, system for KVM switching equipment |
-
2010
- 2010-02-26 CN CN2010201238813U patent/CN201750419U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780530A (en) * | 2011-12-26 | 2012-11-14 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN102780530B (en) * | 2011-12-26 | 2015-04-08 | 深圳市虹远通信有限责任公司 | Optical fiber repeater system |
| CN109361455A (en) * | 2018-10-25 | 2019-02-19 | 三维通信股份有限公司 | A kind of digital optical fiber repeater system and switching method of band backup |
| CN110149149A (en) * | 2019-05-14 | 2019-08-20 | 北京小鸟科技股份有限公司 | Communication module and KVM switching equipment, system for KVM switching equipment |
| CN110149149B (en) * | 2019-05-14 | 2024-04-30 | 北京小鸟科技股份有限公司 | Communication module for KVM switch device, KVM switch device and system |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20160226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |