CN105071857B - Optical transmission system is relayed on cascade multi-span tower - Google Patents
Optical transmission system is relayed on cascade multi-span tower Download PDFInfo
- Publication number
- CN105071857B CN105071857B CN201510386879.2A CN201510386879A CN105071857B CN 105071857 B CN105071857 B CN 105071857B CN 201510386879 A CN201510386879 A CN 201510386879A CN 105071857 B CN105071857 B CN 105071857B
- Authority
- CN
- China
- Prior art keywords
- tower
- wavelength division
- monitoring
- division multiplexer
- transmitting terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Optical Communication System (AREA)
Abstract
The present invention relates to optical transmission system is relayed on a kind of cascade multi-span tower, service signal transmitter and transmitting terminal business optical transmission unit and monitoring light processing unit, business optical transmission unit and monitoring light processing unit, the receiving end business optical transmission unit positioned at receiving end and monitoring light processing unit and service signal receiver on one or more towers on route intervening power pylon including being located at transmitting terminal；Two wavelength division multiplexers are included at least so that the monitoring light and service signal light of carrying bidirectional monitoring information transmit in same transmission fiber in business optical transmission unit and monitoring light processing unit, receiving end business optical transmission unit and monitoring light processing unit on the transmitting terminal business optical transmission unit and monitoring light processing unit, tower.The present invention is it is possible thereby to realize relaying amplification transmission on multi-span cascade tower, and have the long-range monitoring and remote control function of trunking on tower.
Description
Technical field
The present invention relates to optical transmission system is relayed on a kind of optical transmission device more particularly to a kind of cascade multi-span tower, belong to
In optical communication field.
Background technique
In field of power communication, and OPGW (Optical Fiber Composite Overhead Ground Wire, also referred to as
Optical fiber composite overhead ground wire) fiber optic cable communications are Primary communication means, it, can basis in extra-high voltage direct-current engineering and exchange engineering
Extra-high voltage grid demand is built with construction of line OPGW.OPGW optical cable optical signal with transmission line of electricity synchronized construction is due to by light
Fine loss, dispersion and the influence of other environmental factors, leads to optical signal serious deterioration, it is therefore necessary to carry out in signal
After amplification, this fiber optic communication relay station need to set.Transmission signal light is amplified by the way of relay station, to improve
Signal light power limitation problem.The area that extra-high voltage direct-current, alternating current circuit are passed through often has inconvenient traffic, and natural conditions are severe, if
Set that optic communication relay station is very difficult, and construction investment is larger.In addition it needs to carry out trunking simultaneously remotely to monitor and long-range
Control, therefore, an urgent demand technically reduces the construction of relay station, while researching and developing matched remote monitoring system, further
Improve the safety and reliability of optic communication relay station.
In this case, it is put using light in tower, light relayed communications technology and remote control technology in tower, it is possible to reduce pass
The construction of system light-repeating ship, mitigates route operation and maintenance amount, greatlys save construction cost, and it is reliable to improve light relay system
Property.
Summary of the invention
In view of the above problems, it the purpose of the present invention is to provide optical transmission system is relayed on a kind of cascade multi-span tower, uses
In the extra long distance optical communication system of power communication.
It realizes and relays optical transmission system on the cascade multi-span tower of the object of the invention, the business light including transmitting terminal sends single
Member and monitoring light processing unit, route centre are located at business optical transmission unit and monitoring light processing unit on tower, receiving end
Business light receiving unit and monitoring light processing unit.
The service transmitting unit of transmitting terminal includes service signal transmitter and optical power amplifier, service signal transmitter
Output end and the input terminal of optical power amplifier connect.It is multiple including monitoring optical transceiver module, two wavelength-divisions to monitor light processing unit
It is connected with the transmission end of device and monitoring information processor, two wavelength division multiplexers with monitoring optical transceiver module, optical power amplifier
Output end is connected with the reflection end of the first wavelength division multiplexer, and the common end of the first wavelength division multiplexer is anti-with the second wavelength division multiplexer
It penetrates end to be connected, the common end of the second wavelength division multiplexer is connected with first segment transmission fiber.Monitoring information processor passes through to monitoring
The network management to system equipment is realized in the information collection and control of optical transceiver module.
Being located at the business optical transmission unit on tower among route is a line amplifier, and monitoring light processing unit includes line
The monitoring light of the monitoring optical transceiver module of road amplifier in and two wavelength division multiplexers, line amplifier output end receives and dispatches mould
Block and two wavelength division multiplexers and monitoring information processor.The of first segment fiber-optic output and line amplifier input terminal
The common end of one wavelength division multiplexer connects, and the reflecting segment of the first wavelength division multiplexer is connect with the common end of the second wavelength division multiplexer,
The reflecting segment of second wavelength division multiplexer and the input terminal of line amplifier connect, the transmission end access monitoring light of two wavelength division multiplexers
The output end of transceiver module, line amplifier is connect with the reflection end of the first wavelength division multiplexer of outlet side, the first wavelength division multiplexer
Common end connect with the reflection end of the second wavelength division multiplexer, the common end of the second wavelength division multiplexer and second segment transmission fiber
Input terminal connection, the transmission end access monitoring optical transceiver module of two wavelength division multiplexers.Monitoring information processor passes through to monitoring light
The network management to system equipment is realized in the information collection and control of transceiver module.
The business light receiving unit of receiving end includes service signal receiver and light preamplifier, monitors light processing unit
Including monitoring optical transceiver module, two wavelength division multiplexers and monitoring information processor.The output end of second segment transmission fiber and
The common end of one wavelength division multiplexer connects, and the first wavelength division multiplexer reflection end is connect with the second wavelength division multiplexer common end, and second
The transmission end of wavelength division multiplexer is connect with preamplifier, the transmission end access monitoring optical transceiver module of two wavelength division multiplexers.Prison
It controls message handler and passes through the network management of information collection and control realization to system equipment to monitoring optical transceiver module.
Optical transmission system long-distance monitoring method is relayed on the cascade multi-span tower are as follows: the monitoring light of system transmitting terminal is received
Module is sent out to send control information and receive monitoring information；Monitoring optical transceiver module in route on tower receives and forwarding control letter
Breath；The monitoring optical transceiver module of system receiving terminal sends control information and receives monitoring information.
The transmission monitoring information carrier wavelength of the monitoring optical transceiver module of relay unit output end on the transmitting terminal, tower
Range is 1480nm~1500nm；
The transmission monitoring information carrier wavelength of the monitoring optical transceiver module of relay unit input terminal on the receiving end, tower
Range is 1500nm~1520nm；
Relayed on the described cascade multi-span tower optical transmission system signal light carrier wavelength range be 1525nm~
1625nm；
The transmission rate of the monitoring optical transceiver module is 2.048Mb/s；
The optical link budgets of the monitoring optical transceiver module are greater than 44dB；
Two partial wave ports of the wavelength division multiplexer and the insertion loss of multiplex port are lower than 0.6dB；
Isolation between the service port and monitoring port of the wavelength division multiplexer is greater than 30dB.
The beneficial effects of the present invention are:
1, great advantage of the invention is to be not required to construction route relay, greatly reduce the construction of power communication system at
This, is by relaying optical transmission system, it can be achieved that long range without electronic relay light amplification on construction cascade multi-span tower, while can be real
The long-range monitoring and long-range control of existing trunking.
2, the present invention using light relay equipment in tower long-range monitoring and remotely control, wherein service signal light, in tower in
It is transmitted in same root optical fiber after the monitoring information carrier wave of equipment and the control information carrier of Ta Nei trunking, is not take up business
Channel greatly improves the service efficiency of fibre circuit.
3, the present invention is suitable for SDH the and WDM optical transmission system of any rate between 10Gb/s, 40Gb/s, 100Gb/s,
Suitable for coding modes such as intensity modulated, amplitude modulation, be conducive to the smooth upgrade of system.
4, the present invention is suitable for the non-relay optical transmission system of overlength span in seabed and land.
Detailed description of the invention
Fig. 1 is to cascade the system construction drawing that optical transmission system is relayed on multi-span tower；
Fig. 2 is to cascade optical amplification device and monitoring device structure chart that optical transmission system transmitting terminal is relayed on multi-span tower；
Fig. 3 is to cascade the optical amplification device and monitoring device structure relayed in optical transmission system route on tower on multi-span tower
Figure；
Fig. 4 is to cascade optical amplification device and monitoring device structure chart that optical transmission system receiving end is relayed on multi-span tower；
Fig. 5 is the status information that transmitting terminal sends that order obtains business optical transmission unit and monitoring light processing unit on tower
Figure；
Fig. 6 is that business optical transmission unit and monitoring light processing unit send business light on order the second tower of acquisition on the first tower
The status information figure of transmission unit and monitoring light processing unit；
Fig. 7 is the status information that receiving end sends that order obtains business optical transmission unit and monitoring light processing unit on tower
Figure.
Wherein
1: service signal transmitter 2: optical power amplifier
3: the first wavelength division multiplexer of transmitting terminal outlet side 4: the second wavelength division multiplexer of transmitting terminal outlet side
5: transmitting terminal monitors optical transceiver module 6: transmitting terminal monitoring information processor
7: first segment transmission fiber 8: the first wavelength division multiplexer of input terminal on tower
9: the second wavelength division multiplexer of input terminal 10 on tower: optical line amplifier
11: the first wavelength division multiplexer of output end 12 on tower: the second wavelength division multiplexer of output end on tower
13: monitoring information processor 14 on tower: input terminal monitors optical transceiver module on tower
15: output end monitors optical transceiver module 16: second segment transmission fiber on tower
17: the first wavelength division multiplexer of receiving end input side 18: the second wavelength division multiplexer of receiving end input side
19: preamplifier 20: receiving end monitors optical transceiver module
21: receiving end monitoring information processor 22: dispersion compensation unit 23: service signal receiver
24: transmitting terminal business optical transmission unit and monitoring light processing unit
25: business optical transmission unit and monitoring light processing unit on tower
26: receiving end business optical transmission unit and monitoring light processing unit
2a: power amplifier input 2b: power amplifier output
31: the first wavelength division multiplexer of transmitting terminal outlet side transmission end 32: the first wavelength division multiplexer of transmitting terminal outlet side is public
33 are held altogether: transmitting terminal outlet side the first wavelength division multiplexer reflection end
41: the second wavelength division multiplexer of transmitting terminal outlet side transmission end 42: the second wavelength division multiplexer of transmitting terminal outlet side is public
43 are held altogether: transmitting terminal outlet side the second wavelength division multiplexer reflection end
51: transmitting terminal monitors optical transceiver module receiving end 52: transmitting terminal monitors optical transceiver module transmitting terminal
81: the first wavelength division multiplexer of input terminal common end 82 on tower: the first wavelength division multiplexer of input terminal transmission end on tower
83: the first wavelength division multiplexer of input terminal reflection end on tower
91: the second wavelength division multiplexer of input terminal common end 92 on tower: the second wavelength division multiplexer of input terminal transmission end on tower
93: the second wavelength division multiplexer of input terminal reflection end on tower
101: line amplifier input terminal 102: line amplifier output end
111: the first wavelength division multiplexer of output end transmission end 112 on tower: the first wavelength division multiplexer of output end is public on tower
End 113: the first wavelength division multiplexer of output end reflection end on tower
121: the second wavelength division multiplexer of output end transmission end 122 on tower: the second wavelength division multiplexer of output end is public on tower
End 123: the second wavelength division multiplexer of output end reflection end on tower
141: input terminal monitors optical transceiver module receiving end 142 on tower: input terminal monitoring optical transceiver module is sent on tower
End
151: output end monitors optical transceiver module receiving end 152 on tower: output end monitoring optical transceiver module is sent on tower
End
171: the first wavelength division multiplexer of receiving end input side common end 172: the first wavelength division multiplexer of receiving end input side
Transmission end 173: receiving end input side the first wavelength division multiplexer reflection end
181: the second wavelength division multiplexer of receiving end input side common end 182: the second wavelength division multiplexer of receiving end input side
Transmission end 183: receiving end input side the second wavelength division multiplexer reflection end
191: preamplifier input terminal 192: preamplifier output end
201: receiving end monitors optical transceiver module receiving end 202: receiving end monitors optical transceiver module transmitting terminal
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
Fig. 1 shows the system construction drawing that optical transmission system is relayed on cascade multi-span tower, including sequentially connected business
Signal transmitter 1, optical power amplifier 2, the first wavelength division multiplexer of transmitting terminal outlet side 3, the second wavelength-division of transmitting terminal outlet side are multiple
With input terminal on device 4, transmitting terminal monitoring optical transceiver module 5, transmitting terminal monitoring information processor 6, first segment transmission fiber 7, tower
The second wavelength division multiplexer of input terminal 9 on first wavelength division multiplexer 8, tower, optical line amplifier 10, the first wavelength-division of output end is multiple on tower
Mould is received and dispatched with input terminal monitoring light on monitoring information processor 13 on the second wavelength division multiplexer of output end 12 on device 11, tower, tower, tower
Output end monitors optical transceiver module 15, second segment transmission fiber 16, the first wavelength division multiplexer of receiving end input side on block 14, tower
17, the second wavelength division multiplexer of receiving end input side 18, preamplifier 19, receiving end monitoring optical transceiver module 20, receiving end prison
Control message handler 21, dispersion compensation unit 22, service signal receiver 23.
Wherein, service signal transmitter 1 sends service signal light, and service signal light enters optical power amplifier 2, through over-discharge
Big service signal light sequentially enters the second wavelength division multiplexer of the first wavelength division multiplexer of transmitting terminal outlet side 3 and transmitting terminal outlet side
4, behind the common end by the second wavelength division multiplexer 4, service signal light and monitoring signal light enter first segment transmission fiber 7.Through
After crossing first segment transmission fiber 7, service signal light and monitoring signal light sequentially enter 8 He of the first wavelength division multiplexer of input terminal on tower
Second wavelength division multiplexer 9, signal light enters route image intensifer 10 after two wavelength division multiplexers, and amplified signal light enters
Then output end the first wavelength division multiplexer 11 and the second wavelength division multiplexer 12 on tower enter second segment biography together with business monitoring light
Fibre 16 is lost, is output and then enter receiving end input side the first wavelength division multiplexer 17 and the second wave by second segment transmission fiber 16
Division multiplexer 18, the service signal light after partial wave enters preamplifier 19 and amplifies to signal, subsequently into dispersion compensation
Unit 22 finally enters service signal receiver 23.
Wherein, optical power amplifier 2, the first wavelength division multiplexer of transmitting terminal outlet side 3, the second wavelength-division of transmitting terminal outlet side are multiple
Transmitting terminal business optical transmission unit and prison are formed with device 4, transmitting terminal monitoring optical transceiver module 5, transmitting terminal monitoring information processor 6
Control light processing unit 24；The first wavelength division multiplexer of input terminal 8 on tower, the second wavelength division multiplexer of input terminal 9, optical link amplification on tower
The first wavelength division multiplexer of output end 11 on device 10, tower, the second wavelength division multiplexer of output end 12 on tower, monitoring information processor on tower
13, input terminal monitoring optical transceiver module 14 on tower, output end monitoring optical transceiver module 15 forms business optical transport list on tower on tower
Member and monitoring light processing unit 25；The first wavelength division multiplexer of receiving end input side 17, the second wavelength division multiplexer of receiving end input side
18, preamplifier 19, receiving end monitoring optical transceiver module 20, receiving end monitoring information processor 21 form receiving end business light
Transmission unit and monitoring light processing unit 26.
According to the needs of line transmission length, business optical transmission unit and monitoring light processing unit 25 can be in reality on tower
Multiple groups are set in route.
Fig. 2 shows optical amplification devices and monitoring device structure that optical transmission system transmitting terminal is relayed on cascade multi-span tower
Figure.The input terminal 2a of power amplifier 2 receives the service signal light that service signal transmitter 1 is sent, amplified service signal
Light is exported from power amplifier output 2b, subsequently into the transmission end 31 of the first wavelength division multiplexer of transmitting terminal outlet side 3, is sent
The reflection end 33 of end the first wavelength division multiplexer of outlet side 3 connects the receiving end 51 of transmitting terminal monitoring optical transceiver module 5 to transmit the
One monitoring light；The common end 32 of the first wavelength division multiplexer of transmitting terminal outlet side 3 connects the second wavelength division multiplexer of transmitting terminal outlet side 4
Transmission end 41, the reflection end 43 of the second wavelength division multiplexer of transmitting terminal outlet side 4 connects the hair of transmitting terminal monitoring optical transceiver module 5
For sending end 52 to transmit the second monitoring light, the common end 42 of the second wavelength division multiplexer of transmitting terminal outlet side is connected to first segment transmission light
Fibre 7.
The receiving end 51 that transmitting terminal monitors optical transceiver module 5 is received from business optical transmission unit on tower and monitoring light processing
The status information about equipment on tower of unit 25；The transmitting terminal 52 that transmitting terminal monitors optical transceiver module 5 is used for the business on tower
Optical transmission unit and monitoring light processing unit 25 send command information；Transmitting terminal monitors optical transceiver module 5 and transmitting terminal monitoring is believed
Breath processor 6 is connected and handles what transmitting terminal monitoring optical transceiver module 5 sended and received by transmitting terminal monitoring information processor 6
Information.
Fig. 3 shows the optical amplification device and monitoring device relayed in optical transmission system route on tower on cascade multi-span tower
Structure chart.First segment transmission fiber 7 connects the common end 81 of the first wavelength division multiplexer of input terminal 8 on tower, input terminal first on tower
The reflection end 83 of wavelength division multiplexer connects the receiving end 141 of input terminal monitoring optical transceiver module 14 on tower to transmit the first monitoring
Light, the common end 91 of the second wavelength division multiplexer of input terminal 9 connects on the transmission end 82 of the first wavelength division multiplexer of input terminal and tower on tower
It connects, the transmitting terminal 142 of the reflection end 93 of the second wavelength division multiplexer of input terminal 9 and input terminal monitoring optical transceiver module 14 on tower on tower
To transmit the second monitoring light, the service signal light that the transmission end 92 of the second wavelength division multiplexer of input terminal 9 exports on tower enters for connection
The input terminal 101 of line amplifier 10 amplifies service signal light, and amplified service signal light is from optical line amplifier
Output end 102 export, subsequently into the transmission end 111 of the first wavelength division multiplexer of output end 11 on tower, output end first on tower
The reflection end 113 of wavelength division multiplexer 11 is connected with the receiving end 151 of output end monitoring optical transceiver module 15 on tower to transmit the
One monitors light, the common end 112 of the first wavelength division multiplexer of output end 11 and the second wavelength division multiplexer of output end 12 on tower on tower
Transmission end 121 connects, and output end monitors optical transceiver module on the reflection end 123 and tower of the second wavelength division multiplexer of output end 12 on tower
15 output end 152 is connected to transmit the second monitoring light, and the common end 122 of the second wavelength division multiplexer of output end 12 connects on tower
Second segment transmission fiber 16.
Fig. 4 shows the optical amplification device and monitoring device structure that optical transmission system receiving end is relayed on cascade multi-span tower
Figure.Second segment transmission fiber 16 connects the common end 171 of the first wavelength division multiplexer of receiving end input side 17, receiving end input side the
The reflection end 173 of one wavelength division multiplexer 17 is connected with the receiving end 201 of receiving end monitoring optical transceiver module 20 to transmit first
Monitor light, the transmission end 172 and the second wavelength division multiplexer of receiving end input side 18 of the first wavelength division multiplexer of receiving end input side 17
Common end 181 connect, the reflection end 183 of the second wavelength division multiplexer of receiving end input side 18 and receiving end monitor optical transceiver module
20 transmitting terminal 202 is connected to transmit the second monitoring light, received the second wavelength division multiplexer of end input side 18 of service signal light
Transmission end 182 export after, into the input terminal 191 of the preamplifier 19 of receiving end, amplified service signal light is by preceding
The output end 192 for setting amplifier 19 exports.
Fig. 5 is shown at the transmitting terminal business optical transmission unit and monitoring light that relay optical transmission system on cascade multi-span tower
Manage the friendship of the first monitoring light and the second monitoring light between business optical transmission unit and monitoring light processing unit 25 on unit 24 and tower
Mutual mode.Transmitting terminal monitoring information processor 6 is used to send command information and receives the status information of relevant device on tower, sends
Command information passes through the first monitoring light carrying；Status information passes through the second monitoring light carrying.Transmitting terminal monitors optical transceiver module 5
Transmitting terminal 52 sends the first monitoring light, which passes through the first wavelength division multiplexer of transmitting terminal outlet side 3 and service signal
After photosynthetic wave, after first segment transmission fiber 7, is entered on tower by 8 partial wave of the first wavelength division multiplexer of input terminal on tower and inputted
End monitors the receiving end 141 of optical transceiver module 14, and monitoring information processor 13 carries out inside after receiving the command information on tower
Information processing obtains the status information of relevant device on tower, and the transmission of optical transceiver module 14 is then monitored by input terminal on tower
End 142 sends the second monitoring light, and the second monitoring light is transmitted by the second wavelength division multiplexer of input terminal 9 on tower reverses through first segment
After optical fiber 7, the receiving end 51 of the monitoring optical transceiver module 5 of transmitting terminal is entered by the second wavelength division multiplexer of transmitting terminal outlet side 4,
The status information of relevant device enters transmitting terminal monitoring information processor 6 and is handled on the tower of final second monitoring light carrying.
Fig. 6, which is shown, relays in optical transmission system business optical transmission unit and monitoring light on different towers on cascade multi-span tower
The interactive mode of first monitoring light and the second monitoring light between processing unit 25 and 25 '.On first tower business optical transmission unit and
Monitoring information processor 13 on the tower of light processing unit 25 is monitored to be used to send command information and receive from business on the second tower
The status information of optical transmission unit and monitoring light processing unit 25 '；Business optical transmission unit and monitoring light processing list on second tower
Monitoring information processor 13 ' is for receiving command information and sending business optical transmission unit and prison on the second tower on the tower of member 25 '
Control the status information of each associated components and equipment in light processing unit 25 '.On first tower business optical transmission unit and monitoring light at
It manages the command information that monitoring information processor 13 is sent on the tower of unit 25 and optical transceiver module is monitored by output end on the first tower
The first monitoring light carrying that 15 output end 152 is sent, after second segment transmission fiber 16, into the second tower on input terminal prison
Control the input terminal 141 ' of optical transceiver module 14 '.Monitoring information processor 13 ' receives on second tower carry out after the command information in
Portion's information processing obtains the status information of relevant device on second tower, then monitors light transmitting-receiving by input terminal on the second tower
The transmitting terminal 142 ' of module 14 ' sends the second monitoring light, and the second monitoring light enters the first tower after second segment transmission fiber 16
The receiving end 151 of upper output end monitoring optical transceiver module 15, final second monitors the shape of relevant device on the second tower of light carrying
State information enters monitoring information processor 13 on the first tower.
Fig. 7 shows business optical transmission unit and monitoring light processing on the tower for relaying optical transmission system on cascade multi-span tower
The friendship of first monitoring light and the second monitoring light between unit 25 and receiving end business optical transmission unit and monitoring light processing unit 26
Mutual mode.Monitoring information processor 13 is ordered for receiving on the tower of business optical transmission unit and monitoring light processing unit 25 on tower
Information and the status information for sending business optical transmission unit and monitoring light processing unit 25 on tower；Receiving end monitoring information processor
21 are used to send command information and receive the status information of relevant device on tower.Command information is sent to hold by the second monitoring light
It carries；Status information passes through the first monitoring light carrying.The transmitting terminal 202 of the monitoring optical transceiver module 20 of receiving end sends carrying order
Second monitoring light of information, is redirected back into second segment transmission fiber 16 by the second wavelength division multiplexer of receiving end input side 18 and transmits
Afterwards, the receiving end 151 that output end on tower monitors optical transceiver module 15, tower are entered by the first wavelength division multiplexer of output end 11 on tower
Upper monitoring information processor 13 carries out internal information processing after receiving the command information, obtains the state letter of relevant device on tower
Then breath sends the first monitoring light by the transmitting terminal 152 that output end on tower monitors optical transceiver module 15, loaded state information
First monitoring light enters second segment after the second wavelength division multiplexer of output end 12 on tower and the photosynthetic wave of service signal being amplified
Transmission fiber 16, by the monitoring optical transceiver module 20 for entering receiving end after 17 partial wave of the first wavelength division multiplexer of receiving end input side
Receiving end 201, it is final first monitoring light carrying tower on relevant device status information enter receiving end monitoring information processing
Device 21.
Fig. 5 shows that transmitting terminal sends the state that order obtains business optical transmission unit and monitoring light processing unit on tower
Information；Fig. 6 shows that business optical transmission unit and monitoring light processing unit send industry on order the second tower of acquisition on the first tower
The status information of business optical transmission unit and monitoring light processing unit, Fig. 7 show that receiving end sends order and obtains business on tower
The status information of optical transmission unit and monitoring light processing unit.The above is only a kind of way of example, in addition, business optical transport on tower
Business optical transmission unit and monitoring in the status information of unit and monitoring light processing unit transmission order acquisition transmitting terminal, the second tower
Light processing unit sends order and obtains the status information of business optical transmission unit and monitoring light processing unit on the first tower, industry on tower
The modes such as business optical transmission unit and the status information for monitoring light processing unit transmission order acquisition receiving end can be achieved, only the side of being
To difference.Therefore relaying optical transmission system may be implemented to get industry on all towers from transmitting terminal on the cascade multi-span tower
The status information of the status information and receiving end of business optical transmission unit and monitoring light processing unit；On the contrary, can also receive
End gets the state letter of the status information and transmitting terminal of business optical transmission unit and monitoring light processing unit on all towers
Breath.
Therefore it should be appreciated that the first monitoring light and the second monitoring light can be only in that used wavelength is different,
And it is unrelated with the actual monitored information content of the expression order of actual bearer and/or state.Therefore work as the carrier wave of service signal light
Wave-length coverage be 1525nm~1625nm when, first monitoring light and second monitoring light wave-length coverage can be respectively 1480nm~
1500nm and 1500nm~1520nm, the transmission rate for monitoring optical transceiver module is preferably 2.048Mb/s, and optical link budgets are excellent
Choosing is greater than 44dB.The insertion loss of above-mentioned each wavelength division multiplexer is lower than 0.6dB, being isolated between service port and monitoring port
Degree is greater than 30dB.
The foregoing is merely one of embodiments of the invention, are not intended to limit the invention, and cascade multi-span
Optical transmission system is relayed on tower to be allowed to have business optical transmission unit and monitoring light processing unit on one or more towers.It is all in this hair
Made any modifications, equivalent replacements, and improvements etc., should be included in protection scope of the present invention within bright spirit and principle
Within.
Claims (6)
1. relaying optical transmission system on cascade multi-span tower, characterized by comprising: positioned at the service signal transmitter of transmitting terminal
(1) and transmitting terminal business optical transmission unit and monitoring light processing unit (24), one on route intervening power pylon or
On multiple towers business optical transmission unit and monitoring light processing unit (25), positioned at receiving end receiving end business optical transmission unit and
Monitor light processing unit (26) and service signal receiver (23)；The transmitting terminal business optical transmission unit and monitoring light processing list
First (24) and receiving end business optical transmission unit and monitoring light processing unit (26) are including on two wavelength division multiplexers, the tower
Business optical transmission unit and monitoring light processing unit (25) include that four wavelength division multiplexers are used so that carrying bidirectional monitoring information
Monitoring light transmitted in same transmission fiber with service signal light；
The transmitting terminal business optical transmission unit and monitoring light processing unit (24) include that optical power amplifier (2), transmitting terminal are defeated
The first wavelength division multiplexer of side (3), the second wavelength division multiplexer of transmitting terminal outlet side (4), transmitting terminal monitoring optical transceiver module (5) out；
The input terminal of the power amplifier (2) receives the service signal light that service signal transmitter (1) is sent, amplified business letter
Number light is exported from power amplifier output, subsequently into the transmission end of the first wavelength division multiplexer of transmitting terminal outlet side (3), is sent
Transmission line is carried out in the receiving end of reflection end connection transmitting terminal monitoring optical transceiver module (5) at end the first wavelength division multiplexer of outlet side (3)
Road intermediate ends first monitor light；The common end (32) of the first wavelength division multiplexer of transmitting terminal outlet side (3) connects transmitting terminal outlet side
The transmission end of second wavelength division multiplexer (4), the reflection end connection transmitting terminal monitoring of the second wavelength division multiplexer of transmitting terminal outlet side (4)
The transmitting terminal of optical transceiver module (5) monitors light, the public affairs of the second wavelength division multiplexer of transmitting terminal outlet side (4) to transmit transmitting terminal first
End is connected to transmission fiber altogether；
Business optical transmission unit and monitoring light processing unit (25) include the first wavelength division multiplexer of input terminal on tower on the tower
(8), the second wavelength division multiplexer of input terminal (9) on tower, optical line amplifier (10), the first wavelength division multiplexer of output end on tower
(11), the second wavelength division multiplexer of output end (12) on tower, input terminal monitoring optical transceiver module (14) on tower, output end monitoring on tower
Optical transceiver module (15)；Transmission fiber connects the common end of the first wavelength division multiplexer of input terminal (8) on tower, input terminal first on tower
The receiving end of input terminal monitoring optical transceiver module (14) is on the reflection end connection tower of wavelength division multiplexer (8) to transmit transmitting terminal first
Monitor light, on tower on the transmission end of the first wavelength division multiplexer of input terminal (8) and tower the second wavelength division multiplexer of input terminal (9) it is public
End connects, and input terminal monitors the hair of optical transceiver module (14) on the reflection end and tower of the second wavelength division multiplexer of input terminal (9) on tower
Sending end connection monitors light with transmission line intermediate ends first, the transmission end output of the second wavelength division multiplexer of input terminal (9) on tower
Service signal light enters the input terminal of line amplifier (10) to amplify to service signal light, amplified service signal light
It is exported from the output end of optical line amplifier (10), subsequently into the transmission end of the first wavelength division multiplexer of output end (11) on tower,
The receiving end phase of the reflection end of the first wavelength division multiplexer of output end (11) and output end monitoring optical transceiver module (15) on tower on tower
Connection monitors light to transmit receiving end first, output end the on the common end of the first wavelength division multiplexer of output end (11) and tower on tower
The transmission end of two wavelength division multiplexers (12) connects, output end on the reflection end and tower of the second wavelength division multiplexer of output end (12) on tower
The output end of monitoring optical transceiver module (15), which is connected, monitors light, the second wavelength-division of output end on tower with transmission line intermediate ends second
The common end of multiplexer (12) is connected to another section of transmission fiber；
The receiving end business optical transmission unit and monitoring light processing unit (26) include the first wavelength-division multiplex of receiving end input side
Device (17), the second wavelength division multiplexer of receiving end input side (18), preamplifier (19), receiving end monitor optical transceiver module
(20)；Transmission fiber connects the common end of the first wavelength division multiplexer of receiving end input side (17), the first wavelength-division of receiving end input side
The receiving end of the reflection end of multiplexer (17) and receiving end monitoring optical transceiver module (20) is connected with transmission line intermediate ends the
Two monitoring light, the transmission end and the second wavelength division multiplexer of receiving end input side of the first wavelength division multiplexer of receiving end input side (17)
(18) common end connection, the reflection end of the second wavelength division multiplexer of receiving end input side (18) and receiving end monitor optical transceiver module
(20) transmitting terminal is connected to transmit receiving end first and monitor light, received the second wavelength-division multiplex of end input side of service signal light
After the transmission end output of device (18), into the input terminal of the preamplifier (19) of receiving end, amplified service signal light by
The output end of preamplifier (19) exports, and finally enters service signal receiver (23).
2. relaying optical transmission system on cascade multi-span tower as described in claim 1, it is characterised in that: in the receiving end industry
Dispersion compensation is further provided between business optical transmission unit and monitoring light processing unit (26) and service signal receiver (23)
Unit (22).
3. relaying optical transmission system on cascade multi-span tower as described in claim 1, it is characterised in that: the service signal light
Carrier wavelength range be 1525nm~1625nm.
4. relaying optical transmission system on cascade multi-span tower as described in claim 1, it is characterised in that: the two-way prison of carrying
The carrier wavelength range for controlling the monitoring light of information is 1480nm~1500nm and 1500nm~1520nm.
5. relaying optical transmission system on cascade multi-span tower as described in claim 1, it is characterised in that: the two-way prison of carrying
The transmission rate for controlling the monitoring light of information is 2.048Mb/s.
6. relaying optical transmission system on cascade multi-span tower according to any one of claims 1 to 5, it is characterised in that: described
The optical link budgets for monitoring light are greater than 44dB；The insertion loss of each wavelength division multiplexer is lower than 0.6dB, the service signal light
It is greater than 30dB with the isolation of monitoring light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386879.2A CN105071857B (en) | 2015-06-30 | 2015-06-30 | Optical transmission system is relayed on cascade multi-span tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510386879.2A CN105071857B (en) | 2015-06-30 | 2015-06-30 | Optical transmission system is relayed on cascade multi-span tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105071857A CN105071857A (en) | 2015-11-18 |
| CN105071857B true CN105071857B (en) | 2019-01-22 |
Family
ID=54501156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510386879.2A Active CN105071857B (en) | 2015-06-30 | 2015-06-30 | Optical transmission system is relayed on cascade multi-span tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071857B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490740A (en) * | 2015-12-30 | 2016-04-13 | 桂林创研科技有限公司 | Optical wavelength division multiplexing system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151616C (en) * | 1997-03-19 | 2004-05-26 | 富士通株式会社 | Wave division multiplex multi-use communication networt remote-control system |
| CN202957823U (en) * | 2012-12-19 | 2013-05-29 | 肖保军 | Optical cable communication system between plant stations in electrical power system |
| US8611752B2 (en) * | 2011-02-28 | 2013-12-17 | Verizon Patent And Licensing Inc. | Method and system for optical communication |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69617837T2 (en) * | 1995-08-21 | 2002-04-11 | Mitsubishi Materials Corp., Tokio/Tokyo | Hydrogen storage alloy and electrode made from it |
-
2015
- 2015-06-30 CN CN201510386879.2A patent/CN105071857B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1151616C (en) * | 1997-03-19 | 2004-05-26 | 富士通株式会社 | Wave division multiplex multi-use communication networt remote-control system |
| US8611752B2 (en) * | 2011-02-28 | 2013-12-17 | Verizon Patent And Licensing Inc. | Method and system for optical communication |
| CN202957823U (en) * | 2012-12-19 | 2013-05-29 | 肖保军 | Optical cable communication system between plant stations in electrical power system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105071857A (en) | 2015-11-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102100019B (en) | Optical communication system supporting detection and communication networks, and providing method thereof | |
| CN102075282B (en) | System and method for realizing dynamic wavelength scheduling and protection functions in wavelength division multiplexing passive optical network | |
| CZ282145B6 (en) | Optical fiber transmission line | |
| CN105049123B (en) | Share the two-way distant pump Transmission system of remote gain unit | |
| CN105933068B (en) | A kind of two-way non-relay optical amplification system combined with the distant pump in road | |
| CN102412896A (en) | Optical line protection system for realizing single-end monitoring | |
| RU2739069C1 (en) | Device for organization of distillation communication and method of organization of distillation communication (embodiments) | |
| EP3696997A1 (en) | Symmetrical supervisory optical circuit for a bidirectional optical repeater | |
| CN105071857B (en) | Optical transmission system is relayed on cascade multi-span tower | |
| JP5745314B2 (en) | Optical fiber radio communication system | |
| CN111416658B (en) | Submarine observation network trunk line optical signal transmission device and transmission method | |
| CN203352596U (en) | Near-end monitoring equipment, far-end monitoring equipment and distributed base station monitoring system | |
| CN103684619A (en) | Power supply and communication method and system based on optical fibers, power supply equipment and power receiving equipment | |
| US8355631B2 (en) | Reducing optical service channel interference in phase modulated wavelength division multiplexed (WDM) communication systems | |
| JP2000196533A (en) | Optical transmission system and terminal station system | |
| CN210609455U (en) | Distributed video monitoring system | |
| CN103516433A (en) | Photoelectric optical repeater, long-distance box and method for processing uplink/downlink optical signal | |
| CN104993871B (en) | Light relay amplifier device in a kind of novel tower | |
| Utamy et al. | Design and Analysis of Optical Fiber Network Deployment on Soekarno Hatta Airport Railroad | |
| CN110557613A (en) | Distributed video monitoring system and method | |
| CN105679007B (en) | Transformer substation data transmission method and device | |
| CN101296526B (en) | Railway special network communication system based on passive optical network | |
| CN201226519Y (en) | Communication system for railway special network based on passive optical network | |
| CN104834070A (en) | Bypass remote pump amplifier device | |
| CN110581746B (en) | Remote wavelength division access unit, networking structure and networking method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |