CN203143701U - Long-distance pipeline coal transporting main channel optical communication system - Google Patents

Long-distance pipeline coal transporting main channel optical communication system Download PDF

Info

Publication number
CN203143701U
CN203143701U CN 201320130768 CN201320130768U CN203143701U CN 203143701 U CN203143701 U CN 203143701U CN 201320130768 CN201320130768 CN 201320130768 CN 201320130768 U CN201320130768 U CN 201320130768U CN 203143701 U CN203143701 U CN 203143701U
Authority
CN
China
Prior art keywords
pressure detection
detection station
pumping plant
long
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.)
Expired - Fee Related
Application number
CN 201320130768
Other languages
Chinese (zh)
Inventor
胡家运
刘姣
张然
王师伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Shenwei Coal Pipeline Transportation Co ltd
Wuhan Design and Research Institute of China Coal Technology and Engineering Group
Original Assignee
Wuhan Design and Research Institute of China Coal Technology and Engineering Group
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Design and Research Institute of China Coal Technology and Engineering Group filed Critical Wuhan Design and Research Institute of China Coal Technology and Engineering Group
Priority to CN 201320130768 priority Critical patent/CN203143701U/en
Application granted granted Critical
Publication of CN203143701U publication Critical patent/CN203143701U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a long-distance pipeline coal transporting main channel optical communication system. The context relationship of communication of the long-distance pipeline coal transporting main channel optical communication system is that a regulating and controlling center which is arranged at an original station keeps real-time data contact with pump stations along a pipeline, each terminal, valve chambers along the pipeline and pressure monitoring points, centralized monitoring of all station yards of the whole line is achieved, meanwhile, received relevant SCADA data are transmitted to a total regulating and controlling center after being processed, and therefore real-time monitoring conducted by the total regulating and controlling center on a whole pipeline system is ensured. Each pump station along the pipeline is provided with an administrative/dispatcher telephone system, an industrial television system, a security and protection system, a video conference system, an office network system and mobile communication facilities, wherein the mobile communication facilities are used for line walking and urgent line repairing. An advanced automatic control system of the long-distance pipeline coal transporting main channel optical communication system can ensure real-time communication among the total regulating and controlling center, the regulating and controlling center and all the stations, 155Mbps is upgraded to 622Mbps smoothly, 2.5Gbps is upgraded to 10Gbps smoothly, and therefore great flexibility of networking and dispatching is ensured. The long-distance pipeline coal transporting main channel optical communication system is widely used in a long-distance coal transporting industry and other relevant industries.

Description

Long-distance pipe is failed coal main channel optical communication system
Technical field
The utility model belongs to communication system, relates to long main channel optical communication system apart from convey coal pipe.
Background technology
External in the 70~eighties in 20th century, begin optical fiber and satellite communication system are applied in the communicating by letter of gas line.The still communication technologys such as cable carrier wave, coaxial cable, simulated microwave, digital microwave and simulation programme-controlled exchange that China mainly adopted in 70~eighties, begin to adopt the communication technologys such as optical fiber, satellite to the nineties, for example, the long Shan-capital gas line of the 918km that built up in 1997 has just adopted ferry optics comunication.But the gas line ferry optics comunication is compared apart from the convey coal pipe ferry optics comunication with long, has defeated medium and the single defective of pumping plant.
Summary of the invention
The purpose of this utility model provides a kind of long apart from the long-term safety of convey coal pipe, operation efficiently for guaranteeing, is necessary for it and sets up the defeated coal main channel optical communication system of reliable, the stable long-distance pipe of a cover.
For this reason, the technical solution of the utility model is to solve like this: the defeated coal main channel optical communication system of long-distance pipe comprises Element management system, head end pipeline, 2 #~ 5 #Pumping plant, I ~ III terminal, 2.5Gbps active link, 2.5Gbps reserve link, 155Mbps link and 1 ~ No. 31 pressure detection station, special character of the present invention are that described Element management system is connected with the head end pipeline; Described head end pipeline by 2.5Gbps active link and reserve link respectively with 2 #~ 5 #Pumping plant and I number, II terminal are connected in series successively, and the described I terminal other end is connected with the III terminal; On the 155Mbps link, the first pressure detection station is connected with the head end pipeline, described head end pipeline by the 155Mbps link successively respectively with the first pressure detection station, the second pressure detection station, the 3rd pressure detection station, the 4th pressure detection station, the 5th pressure detection station, the 6th pressure detection station and 2 #Pumping plant is connected in series, and described 2 #Pumping plant successively respectively with the 7th pressure detection station, the 8th pressure detection station, the 9th pressure detection station, the tenth pressure detection station and 3 #Pumping plant is connected in series, and described 3 #Pumping plant successively respectively with the 11 pressure detection station, the 12 pressure detection station, the 13 pressure detection station, the 14 pressure detection station, the 15 pressure detection station, the 16 pressure detection station and 4 #Pumping plant is connected in series, and described 4 #Pumping plant successively respectively with the 17 pressure detection station, the 18 pressure detection station, the 19 pressure detection station, the 20 pressure detection station, the 21 pressure detection station and 5 #Pumping plant is connected in series, and described 5 #Pumping plant is connected in series with the 22 pressure detection station, the 23 pressure detection station, the 24 pressure detection station, the 25 pressure detection station, the 26 pressure detection station, the 27 pressure detection station and I terminal respectively successively, described I terminal is connected in series with the 28 pressure detection station, the 29 pressure detection station and II terminal respectively successively, and the described I terminal other end is connected in series with the 30 pressure detection station, the 31 pressure detection station and III terminal respectively successively.
The communication service kind of described Element management system is divided into 6 classes: the pipeline automation data transmission is made up of scheduling, administration telephone, industrial television, video conference, office network, emergency communication, described 6 class business arrange 73 communication lines altogether, and press website and distribute: 1~No. 4 pumping plant, 1~No. 3 terminal and each 8 tunnel, No. 5 pumping plant 9 tunnel of water stop.
It is 147.2Kbps that described pipeline automation data computation goes out service bandwidth, and scheduling, administrative voice service bandwidth are 1Mbps, and the industrial television service bandwidth is 253 Mbps, and videoconference bandwidth is 50 Mbps.
The main line light communication capacity of described active link is STM-16 or 2.5Gbps, and each valve chamber and pressure monitoring point light communication capacity are STM-1 or 155Mbps along the line, and smooth upgrade is to STM-64.
Described Element management system is connected with clock interface with optical interface, electrical interface, worker's affair and user interface, management interface, equipment alarm interface successively.
Communication service division and lane assignment:
Press convey coal pipe communication characteristics, communication service is divided into 6 classifications by the transmission content: automation data, production, power dispatching telephone, administration telephone and fax, video conference, industrial television and office network, and by these 6 classifications transmission route has been carried out distributing (seeing Table 1,2).
Table 1 # The communication service kind is divided
Figure DEST_PATH_IMAGE001
Table 2 # Technology station yard communication lane assignment
Figure 235247DEST_PATH_IMAGE002
Determining of the required bandwidth of communication service:
1) automation data service bandwidth: optical communication system sends pipeline each valve chamber along the line and pressure detection data to nearest pumping plant or terminal station respectively; These data send the regulation and control center to by trunk communication again after integrating with the SCADA data in pumping plant or terminal station; After all uniform datas integration completely of regulation and control center, send total regulation and control center again to.For satisfying above-mentioned service needed, through a large amount of experimental verifications and reckoning, the SCADA data bandwidth of each pumping plant is defined as 128kbps, each valve chamber and data of monitoring point bandwidth are defined as 19.2 kbps.
2) scheduling, administrative voice service bandwidth: this business mainly is always to regulate and control the bidirectional transmission at Center-to-Field regulation and control center, and the bidirectional transmission between on-the-spot regulation and control center and pipeline each pumping plant along the line, water stop and each terminal station.This each website of business data transmission bandwidth all is set to 1Mbps.
3) industrial television service bandwidth: this business mainly is the video data transmission between pipeline each website along the line, valve chamber and pressure detection point and the on-the-spot regulation and control center.The video transmission bandwidth location 3Mbps of each valve chamber and pressure detection point; The water stop video transmission bandwidth is 12Mbps; 1~No. 5 the pumping plant bandwidth is respectively 48,30,24,21,24Mbps; 1~No. 3 terminal bandwidth is respectively 70,12,9Mbps.
4) videoconference bandwidth: this business mainly is the video data transmission between pipeline each pumping plant along the line and the on-the-spot regulation and control center.The videoconference data transmission bandwidth of 2~No. 6 pumping plants is respectively 14,12,10,8,6Mbps.
5) office system bandwidth and emergency communication bandwidth take in capacity is reserved.
The SDH optical communication system makes up:
For satisfying the needs of long-run development, the capacity decapacitation of optical communication system is satisfied outside the business demand of present stage, and the dilatation that also should be the later stage stays leeway.Therefore, according to the result of calculation of last joint bandwidth with take all factors into consideration, the main line optical communication system capacity of this convey coal pipe engineering is chosen to be STM-16(2.5Gbps), trunk line adopts 1+1 MSP protected mode, amounts to 9; Pipeline each valve chamber along the line and pressure detection point optical communication system capacity are STM-1(155Mbps), adopt SNCP or RSTP protected mode, amount to 27.Designed optical communication system main line has smooth upgrade to the ability of STM-64.
System interface arranges:
1) optical interface: reach the G.652 transport property of type optical fiber according to the communication distance between optical communication station, for this engineering being provided with meets ITU-TG.707, G.957, optical interface G.962.The adaptor union model of interface is SC/PC, connects decay≤0.5dB, reflectance coefficient≤-40db, its length configuration and optical power budget the results are shown in Table 3.
Table 3 # Length configuration and optical power budget table
Figure DEST_PATH_IMAGE003
2) electrical interface: STM equipment can provide 2Mbit/s, the electrical interface of various branch roads such as 155Mbit/s, and interface features can satisfy the requirement of ITU-TG.703, and to the 2048kbit/s interface, impedance is 75 Ω.
3) public affair and user interface: the public affair line interface meets the requirement of 64kbit/s (ITU-TG.703) digital interface, and the user terminal interface meets two wires COBBAIF requirement.
4) management interface: the QX interface is Ethernet interface, meets ITU-TG.773 protocol groups B3, and the interface of SDH Network Management Equipment and upper class network management system is Q3; F interface is and the local terminal interface to adopt V.24(RS232-C) interface, transmission bit rate is 9.6kbit/s.
5) equipment alarm interface: external alert switching value input port and Local Switch amount output port are provided.
6) clock interface: SDH equipment has 2 clock input interfaces and 1 clock output interface at least, and its interface is 2048kbit/s, meets the requirement of ITU-TG.703 and ITU-TG.704.
The utility model compared with prior art, the present invention adopts the multi-service transport platform MSTP equipment based on SDH.Utilize the multi-service interface of this equipment, can satisfy TDM simultaneously, transmission and processing demands that ATM and ethernet etc. are professional, and can transmit data and the voice at this station easily, and have with characteristics:
1), complete compatible design: the full compatibility of list shelf structure designs, and can realize STM-1 in a sub-frame, STM-4, all application of STM-16.
2), have reliability and stability: the integrated level height of system, the fault isolation of taking and eliminating back have guaranteed the reliability and stability of system from safety methods such as fault-tolerant design extensive, that allow veneer hot line job, maloperation.
3), the hybrid power supply mode: the mixing of power supply mode refers to dispersion and concentration and combines, and namely the veneer of power supply sensitivity is adopted the power supply of this plate, i.e. so-called dispersion, other veneers are centrally connected power supply then, comes the reliability of further raising system with this.
4), multidirectional light path inserts: can insert 3 light directions at least, to satisfy more complicated networking requirement of later stage.
5), perfect protection mechanism: the network architecture that this project adopts, can realize that the 1+1 of point-to-point or link and the protection of 1:1 circuit switch.
6), unified perfect webmaster: the Network Element Layer of network management system and NE management layer have management functions such as system, configuration, fault, maintenance and safety, can realize the remote online upgrading of software, and non-interrupting service.
7), 155Mbps equipment can smooth upgrade to 622M, the high-order intersection is not less than 24 * 24 VC-4, low order interlace algorithm is not less than 1512 * 1512 VC-12.
8) but, 2.5Gbps equipment smooth upgrade is to 10Gbps, high-order intersects and is not less than 384 * 384 VC-4, low order interlace algorithm is not less than 16128 * 16128 VC-12, thereby has guaranteed networking and the great alerting ability of scheduling.Extensively with the defeated coal of long distance and relevant industries.
Description of drawings
Fig. 1 is structural representation block diagram of the present utility model.
Among Fig. 1,1 is Element management system; 2 is the head end pipeline; 3 is the main 2.5Gbps link of using; 4 is standby 2.5Gbps link; 5 is the 155Mbps link;
Figure 372837DEST_PATH_IMAGE004
Represent the pressure monitoring station respectively the 1st to No. 31; I, II, III represent terminal respectively 1~No. 3; 2 #~5 #Represent intermediate pump station respectively 2~No. 5.
The specific embodiment
Below in conjunction with drawings and Examples the utility model content is described further.
With reference to shown in Figure 1, the defeated coal main channel optical communication system of long-distance pipe comprises Element management system, head end pipeline, 2 #~ 5 #Pumping plant, I ~ III terminal, 2.5Gbps active link, 2.5Gbps reserve link, 155Mbps link and 1 ~ No. 31 pressure detection station, described Element management system 1 is connected with head end pipeline 2; Described head end pipeline 2 by 2.5Gbps active link 3 and reserve link 4 respectively with 2 #~ 5 #Pumping plant and I number, II terminal are connected in series successively, and the described I terminal other end is connected with the III terminal; 1. the first pressure detection station is connected with head end pipeline 2, described head end pipeline 2 by 155Mbps link 5 successively respectively with the first pressure detection station 1., the second pressure detection station 2., the 3rd pressure detection station 3., the 4th pressure detection station 4., the 5th pressure detection station 5., the 6th pressure detection station is 6. with 2 #Pumping plant is connected in series, and described 2 #Pumping plant successively respectively with the 7th pressure detection station 7., the 8th pressure detection station 8., the 9th pressure detection station 9., the tenth pressure detection station is 10. with 3 #Pumping plant is connected in series, and described 3 #Pumping plant successively respectively with the 11 pressure detection station
Figure DEST_PATH_IMAGE005
, the 12 pressure detection station
Figure 255342DEST_PATH_IMAGE006
, the 13 pressure detection station
Figure 545509DEST_PATH_IMAGE007
, the 14 pressure detection station
Figure 488057DEST_PATH_IMAGE008
, the 15 pressure detection station
Figure 112943DEST_PATH_IMAGE009
, the 16 pressure detection station
Figure 799139DEST_PATH_IMAGE010
With 4 #Pumping plant is connected in series, and described 4 #Pumping plant successively respectively with the 17 pressure detection station , the 18 pressure detection station
Figure 57262DEST_PATH_IMAGE012
, the 19 pressure detection station , the 20 pressure detection station , the 21 pressure detection station
Figure 658510DEST_PATH_IMAGE015
With 5 #Pumping plant is connected in series, and described 5 #Pumping plant successively respectively with the 22 pressure detection station
Figure 677282DEST_PATH_IMAGE016
, the 23 pressure detection station , the 24 pressure detection station
Figure 304758DEST_PATH_IMAGE018
, the 25 pressure detection station
Figure 424024DEST_PATH_IMAGE019
, the 26 pressure detection station
Figure 879276DEST_PATH_IMAGE020
, the 27 pressure detection station
Figure 700471DEST_PATH_IMAGE021
Be connected in series with the I terminal, described I terminal successively respectively with the 28 pressure detection station , the 29 pressure detection station
Figure 505933DEST_PATH_IMAGE023
Be connected in series with the II terminal, the described I terminal other end successively respectively with the 30 pressure detection station
Figure 132086DEST_PATH_IMAGE024
, the 31 pressure detection station
Figure 440576DEST_PATH_IMAGE025
Be connected in series with the III terminal.
The communication service kind of described Element management system is divided into 6 classes: pipeline automation data transmission, scheduling, administration telephone, industrial television, video conference, office network, emergency communication, described 6 class business arrange 73 communication lines altogether, and press website and distribute: 1~No. 4 pumping plant, 1~No. 3 terminal and each 8 tunnel, No. 5 pumping plant 9 tunnel of water stop.
It is 147.2Kbps that described pipeline automation data computation goes out service bandwidth, and scheduling, administrative voice service bandwidth are 1Mbps, and the industrial television service bandwidth is 253 Mbps, and videoconference bandwidth is 50 Mbps.
The main line light communication capacity of described active link is STM-16(2.5Gbps), each valve chamber and pressure monitoring point light communication capacity are STM-1(155Mbps along the line), and smooth upgrade is to STM-64.
Described Element management system is connected with clock interface with optical interface, electrical interface, worker's affair and user interface, management interface, equipment alarm interface successively.
Embodiment 1
Determining of described communication system error performance objective.
According to position and the business demand of each website of this convey coal pipe engineering, its hypothetical reference digital section length is made as 420km.HRDS bit error code index in the case sees Table 4.
Table 4 # 420km HRDS bit error code index table
Figure 810378DEST_PATH_IMAGE027
According to relevant regulations, this engineering digital section conversion result of the longest 139Km can satisfy the target bit error of table 5.
Table 5 # The long number field bit target bit error of this engineering
Figure DEST_PATH_IMAGE029
Embodiment 2
Determining of described communication system shake index.
The maximum jitter of SDH network delivery port should be not more than the specified value in the table 6, and the maximum jitter value of digital section delivery port should be not more than the specified value in table 6 bracket; Its input jiffer and drift tolerance limit meet the YD/T5095-2005 code requirement.Its drift tolerance value sees Table 7.
Table 6 # The maximum output jitter that allows of SDH network delivery port
Figure DEST_PATH_IMAGE031
Table 7 # Drift limit value on the STM-N interface
Figure DEST_PATH_IMAGE033
Embodiment 3
The estimation of cable link index.
Adopt the worst value method meter.The reality of decay constrained system can reach regenerator section and apart from computing formula be:
L=(P S-P r-P P-∑A C)/(A f+A s++M C).
P in the formula SBe s point life-span light transmitted power at the end, dBm; P rBe r point life-span optical receiver sensitivity at the end, dBm; ∑ A CBe s, flexible jumper loss sum between r, dB; M CBe optical cable degree more than needed, dB/km; A sBe the fixing fusion splice average loss of optical fiber, dB/km; A fBe optical fiber mean attenuation coefficient, db/km; P PBe maximum optical path power penalty.

Claims (5)

1. long-distance pipe is failed coal main channel optical communication system, and this system is by Element management system, head end pipeline, 2 #~ 5 #Pumping plant, I ~ III terminal, 2.5Gbps active link, 2.5Gbps reserve link, 155Mbps link and 1 ~ No. 31 pressure detection station are formed, and it is characterized in that described Element management system (1) is connected with head end pipeline (2); Described head end pipeline (2) by 2.5Gbps active link (3) and reserve link (4) successively respectively with 2 #~ 5 #Pumping plant and I number, II terminal are connected in series, and the described I terminal other end is connected with the III terminal; On 155Mbps link (5), the first pressure detection station is connected with head end pipeline (2), described head end pipeline (2) by 155Mbps link (5) successively respectively with the first pressure detection station, the second pressure detection station, the 3rd pressure detection station, the 4th pressure detection station, the 5th pressure detection station, the 6th pressure detection station and 2 #Pumping plant is connected in series, and described 2 #Pumping plant successively respectively with the 7th pressure detection station, the 8th pressure detection station, the 9th pressure detection station, the tenth pressure detection station and 3 #Pumping plant is connected in series, and described 3 #Pumping plant successively respectively with the 11 pressure detection station, the 12 pressure detection station, the 13 pressure detection station, the 14 pressure detection station, the 15 pressure detection station, the 16 pressure detection station and 4 #Pumping plant is connected in series, and described 4 #Pumping plant successively respectively with the 17 pressure detection station, the 18 pressure detection station, the 19 pressure detection station, the 20 pressure detection station, the 21 pressure detection station and 5 #Pumping plant is connected in series, and described 5 #Pumping plant is connected in series with the 22 pressure detection station, the 23 pressure detection station, the 24 pressure detection station, the 25 pressure detection station, the 26 pressure detection station, the 27 pressure detection station and I terminal respectively successively, described I terminal is connected in series with the 28 pressure detection station, the 29 pressure detection station and II terminal respectively successively, and the described I terminal other end is connected in series with the 30 pressure detection station, the 31 pressure detection station and III terminal respectively successively.
2. according to the defeated coal main channel optical communication system of the described long-distance pipe of claim 1, the communication service kind that it is characterized in that described Element management system is divided into 6 classes: the pipeline automation data transmission is made up of dispatcher telephone system, administration telephone, industrial television, video conference, office network, emergency communication, described 6 class business arrange 73 communication lines altogether, and press website and distribute: 1~No. 4 pumping plant, 1~No. 3 terminal and each 8 tunnel, No. 5 pumping plant 9 tunnel of water stop.
3. long-distance pipe according to claim 2 is failed coal main channel optical communication system, it is characterized in that it is 147.2Kbps that described pipeline automation data computation goes out service bandwidth, scheduling, administrative voice service bandwidth are 1Mbps, the industrial television service bandwidth is 253 Mbps, and videoconference bandwidth is 50 Mbps.
4. long-distance pipe according to claim 1 is failed coal main channel optical communication system, the main line light communication capacity that it is characterized in that described active link is STM-16 or 2.5Gbps, each valve chamber along the line and pressure monitoring point light communication capacity are STM-1 or 155Mbps, and smooth upgrade is to STM-64.
5. the defeated coal main channel optical communication system of long-distance pipe according to claim 1 is characterized in that described Element management system is connected with clock interface with optical interface, electrical interface, worker's affair and user interface, management interface, equipment alarm interface successively.
CN 201320130768 2013-03-21 2013-03-21 Long-distance pipeline coal transporting main channel optical communication system Expired - Fee Related CN203143701U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320130768 CN203143701U (en) 2013-03-21 2013-03-21 Long-distance pipeline coal transporting main channel optical communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320130768 CN203143701U (en) 2013-03-21 2013-03-21 Long-distance pipeline coal transporting main channel optical communication system

Publications (1)

Publication Number Publication Date
CN203143701U true CN203143701U (en) 2013-08-21

Family

ID=48971245

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320130768 Expired - Fee Related CN203143701U (en) 2013-03-21 2013-03-21 Long-distance pipeline coal transporting main channel optical communication system

Country Status (1)

Country Link
CN (1) CN203143701U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103159035A (en) * 2013-03-21 2013-06-19 中煤科工集团武汉设计研究院 Long distance pipeline coal transporting main channel optical communication system
CN103193087A (en) * 2013-03-21 2013-07-10 中煤科工集团武汉设计研究院 Main channel communication system and optimization method for long-distance pipeline coal transportation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103159035A (en) * 2013-03-21 2013-06-19 中煤科工集团武汉设计研究院 Long distance pipeline coal transporting main channel optical communication system
CN103193087A (en) * 2013-03-21 2013-07-10 中煤科工集团武汉设计研究院 Main channel communication system and optimization method for long-distance pipeline coal transportation

Similar Documents

Publication Publication Date Title
CN201051741Y (en) Optical fiber multi-service access device
CN108449660A (en) A kind of PON system
CN1859051B (en) Method and system for transmitting time division multiplex service
CN203143701U (en) Long-distance pipeline coal transporting main channel optical communication system
CN103159035A (en) Long distance pipeline coal transporting main channel optical communication system
CN104883632A (en) Device and method for realizing VDSL current sharing backward feeding in PON far-end system
CN202310005U (en) Multi-business communication device possessing voice program control exchange function
CN105356912A (en) 35kV simple substation communication system
CN101296389A (en) Double-light self-cure protection type Ethernet light-exchange multi-service synthetic multiplexing device
CN100359870C (en) Long-distance high speed transmitting data method for Ethernet
CN202906946U (en) Multinode communication system of seabed observatory network
CN201994942U (en) Multi-service access and transmission device
CN110149164A (en) Optimization method of optical network based on ASON+SDH complex network mode
CN1126332C (en) Multi-service remote-end integrated unit and its networking method
CN203135587U (en) Networking device realizing doubling relay protection with different backups
CN204031173U (en) A kind of broad band photoelectrical electric network bridge
CN102082978A (en) Railway interval broadband communication system based on EPON (Ethernet passive optical network), devices and method
CN201854293U (en) Multi-service communication platform
CN103280886A (en) Networking device with different relay protection doubling backups
CN204392256U (en) A kind of power communication ring of light web frame
CN110213140A (en) A kind of integrated access system of multi-service mode
CN203151544U (en) Multi-communication-method intelligent switching device provided with photoelectric signal transceiving module
CN111092689A (en) Composite protocol optical transmission system
Qian et al. Application Analysis of FlexE Technology in the New Type of Power System
CN202679367U (en) SDH (synchronous digital hierarchy) remote supervision system for external RPR (resilient packet ring) of substation

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442

Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group

Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442

Patentee before: Wuhan Design and Research Institute of China Coal Technology & Engineering Group

TR01 Transfer of patent right

Effective date of registration: 20151016

Address after: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442

Patentee after: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group

Patentee after: Shaanxi Shenwei Coal Pipeline Transportation Co.,Ltd.

Address before: 430064 Hubei Province, Wuhan city Wuchang District Wuluo Road No. 442

Patentee before: WUHAN DESIGN & RESEARCH INSTITUTE CO., LTD. OF CHINA COAL TECHNOLOGY & ENGINEERING Group

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130821

Termination date: 20170321

CF01 Termination of patent right due to non-payment of annual fee