CN104980221B - The optical workstation equipment of hfc plant and the docking system of C DOCSIS field equipments and method - Google Patents
The optical workstation equipment of hfc plant and the docking system of C DOCSIS field equipments and method Download PDFInfo
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- CN104980221B CN104980221B CN201410143347.1A CN201410143347A CN104980221B CN 104980221 B CN104980221 B CN 104980221B CN 201410143347 A CN201410143347 A CN 201410143347A CN 104980221 B CN104980221 B CN 104980221B
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- 238000003032 molecular docking Methods 0.000 title claims abstract description 46
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- 238000010276 construction Methods 0.000 claims abstract description 4
- 239000013307 optical fiber Substances 0.000 claims description 33
- 239000000835 fiber Substances 0.000 claims description 11
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 6
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Abstract
The present invention provides a kind of optical workstation equipment based on hfc plant and the docking system and method for C DOCSIS field equipments, and the system at least includes：Optical workstation equipment, C DOCSIS field equipments and the coaxial cable of hfc plant；Wherein, the optical workstation equipment of the hfc plant and the C DOCSIS field equipments are docked by the coaxial cable.The optical workstation equipment and the docking system and method for C DOCSIS field equipments of the hfc plant of the present invention are simple in construction, easily operated, and the perfection realized between the optical workstation equipment of hfc plant and C DOCSIS field equipments is docked；The used cable of docking has water-proof function simultaneously, and is not take up exceptional space, practical.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of Hybrid Fiber Coax（Hybrid Fiber Coaxial,
HFC）The optical workstation equipment of network and C-DOCSIS field equipments docking system and method.
Background technology
HFC is the hybrid network that optical fiber and coaxial cable are combined.HFC generally by fiber optic backbone, coaxial cable branch line and
The part of subscriber distribution network network three is constituted, and the programme signal come out from cable TV station first becomes optical signal and uploaded in fiber optic backbone
It is defeated；Optical signal is converted into electric signal after to user area, being sent to user by coaxial cable branch line after the allocated device distribution matches somebody with somebody
Gauze network.HFC and early stage CATV coax network difference are essentially consisted in：Optical signal transmission fiber is used on main line,
The conversion of electricity-light need to be completed in front end, into user area after to complete light-electricity and change.
C-DOCSIS technologies are put forward by the Broadcast Television network operators of China, are a kind of edges based on J.222 agreement
Coaxial access technology.The interface of C-DOCSIS access technologies prize ITU-T physical layers J.222 and data link layer is from branch center
Computer room is displaced downwardly at cable television optical node, is passed downwardly through radio frequency interface and is connected with coaxial cable distribution net network, upwardly through PON
Or Ethernet is connected with aggregation networks.Networking model after being moved down for interface, C-DOCSIS access technology specifications system
Data and control interface between functional module and module, extend the up-downgoing radio-frequency modulations technologies of ITU-T J.222, simplify
Local channel technology, guarantee with ITU-T J.222, J.222 terminal device is compatible while, can realize gigabit to building,
100000000, to integrated services such as family, carrying video, voice-and-datas, ensure with the carrying of big band width service, multi-service QoS, can transport
Battalion, manageable ability, are the broadband access technologys of future generation that cable TV network carries integration of three networks business.
Listed with C-DOCSIS popularization, the DS and US of C-DOCSIS equipment are individual coaxial, and such as equipment is used
In existing network network, it is necessary to the optical workstation equipment interconnection in hfc plant.Problems with occurs when docking in the two：
（1）2 or more coaxial interfaces will not be reserved in the optical workstation equipment used in hfc plant；
（2）CATV signals and C-DOCSIS signal mixers will not be reserved in optical workstation equipment.
Therefore, in this case, on the premise of any configuration of light working equipment is not changed, realize and C-
The problem of technology of DOCSIS field equipments docking turns into current urgent need to resolve.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of optical workstation of hfc plant
Equipment and the docking system and method for C-DOCSIS field equipments, match somebody with somebody in any of light working equipment that need not change hfc plant
On the premise of putting, the co-ordination between C-DOCSIS field equipments and the optical workstation equipment of hfc plant is realized.
In order to achieve the above objects and other related objects, the present invention provides the optical workstation equipment and C- of a kind of hfc plant
The docking system of DOCSIS field equipments, at least includes：The optical workstation equipment of hfc plant, C-DOCSIS field equipments and
Coaxial cable；Wherein, the optical workstation equipment of the hfc plant and the C-DOCSIS field equipments pass through the coaxial cable
Docked.
According to the optical workstation equipment of above-mentioned hfc plant and the docking system of C-DOCSIS field equipments, wherein：It is described
Coaxial cable includes the first optical fiber, the second optical fiber, the first coaxial line, the second coaxial line and triax.
Further, according to the optical workstation equipment of above-mentioned hfc plant and the docking system of C-DOCSIS field equipments,
Wherein：The optical fiber interface of first optical fiber and the second optical fiber is SC/APC, FC/APC, SC/UPC or FC/UPC.
Further, according to the optical workstation equipment of above-mentioned hfc plant and the docking system of C-DOCSIS field equipments,
Wherein：First coaxial line, the second coaxial line and triax are 75 Ω SFF-75-1.5-1 (RG179）Coaxial shielding
Line turns F heads.
Further, according to the optical workstation equipment of above-mentioned hfc plant and the docking system of C-DOCSIS field equipments,
Wherein：The CATV fiber optic cable interfaces of the optical workstation equipment are docked and twisted with the optical cable input port of the C-DOCSIS field equipments
Tightly；The CATV optical cables input port and the C-DOCSIS fields of the two ends of the coaxial cable respectively with the optical workstation equipment
The cable butting mouthful of equipment is docked and tightened；First optical fiber of the C-DOCSIS field equipments side and the C-DOCSIS fields
CATV optical cables docking in equipment；First optical fiber of the smooth working equipment side connects with the positive light in the optical workstation equipment
Receipts machine is docked；First coaxial line of the smooth working equipment side is docked with the positive photoreceiver in the optical workstation equipment；
First coaxial line of the C-DOCSIS field equipments side connects with corresponding Optical Receivers in the C-DOCSIS field equipments
Mouth docking；Second coaxial line of the C-DOCSIS field equipments side is mixed with the DS+CATV in the C-DOCSIS field equipments
Close end docking；Second coaxial line of the smooth working equipment side is docked with the TX interface ends in the smooth working equipment；The light
The triax of station device side is docked with the RX ends of the optical workstation equipment；The C-DOCSIS field equipments side
Triax is docked with the US modules in the C-DOCSIS field equipments.
According to the optical workstation equipment of above-mentioned hfc plant and the docking system of C-DOCSIS field equipments, wherein：It is described
Coaxial cable top layer is provided with waterproof construction.
Meanwhile, the present invention also provides a kind of optical workstation equipment of hfc plant and the side of docking of C-DOCSIS field equipments
Method, wherein：The optical workstation equipment and C-DOCSIS field equipments of hfc plant are docked by coaxial cable.
According to the optical workstation equipment of above-mentioned hfc plant and the docking calculation of C-DOCSIS field equipments, wherein：It is described
Coaxial cable includes the first optical fiber, the second optical fiber, the first coaxial line, the second coaxial line and triax.
Further, according to the optical workstation equipment of above-mentioned hfc plant and the docking calculation of C-DOCSIS field equipments,
Wherein：Comprise the following steps：
Step S1：The optical cable of the CATV fiber optic cable interfaces of the optical workstation equipment and the C-DOCSIS field equipments is defeated
Entrance is docked and tightened；
Step S2：By the two ends of coaxial cable CATV optical cables input port respectively with the optical workstation equipment and institute
The cable butting mouthful for stating C-DOCSIS field equipments is docked and tightened；
Step S3：By in first optical fiber at the C-DOCSIS field equipments end and the C-DOCSIS field equipments
CATV optical cables are docked；
Step S4：By the positive photoreceiver in the first optical fiber of the smooth working equipment side and the optical workstation equipment
Docking；
Step S5：By the positive light-receiving in the first coaxial line of the smooth working equipment side and the optical workstation equipment
Machine is docked；
Step S6：By the first coaxial line of the C-DOCSIS field equipments side with it is right in the C-DOCSIS field equipments
The interface of Optical Receivers is answered to dock；
Step S7：By in the second coaxial line of the C-DOCSIS field equipments side and the C-DOCSIS field equipments
Dock at DS+CATV mixing end；
Step S8：By the TX interface ends pair in the second coaxial line of the smooth working equipment side and the smooth working equipment
Connect；
Step S9：The triax of the optical workstation equipment side is docked with the RX ends of the optical workstation equipment；
Step S10：By in the triax of the C-DOCSIS field equipments side and the C-DOCSIS field equipments
US modules docking.
Further, according to dock side of the optical workstation equipment of above-mentioned hfc plant with C-DOCSIS field equipments
Method, wherein：Step S3 to step S10 execution sequence is not fixed.
As described above, the optical workstation equipment of hfc plant and the docking system of C-DOCSIS field equipments of the present invention and
Method, has the advantages that：
（1）The cable used has water-proof function, and is not take up exceptional space, practical；
（2）Docking calculation is easily operated；
（3）The perfection realized between the optical workstation equipment of hfc plant and C-DOCSIS field equipments is docked.
Brief description of the drawings
Fig. 1, which is shown as the optical workstation equipment of hfc plant in the present invention and C-DOCSIS field equipment docking systems, to be made
The structural representation of coaxial cable；
The optical workstation equipment of hfc plant is illustrated with the mated condition of C-DOCSIS field equipments in Fig. 2 display present invention
Figure.
Component label instructions
1 optical fiber
2 optical fiber
3 coaxial lines
4 coaxial lines
5 coaxial lines
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.
It should be noted that the diagram provided in the present embodiment only illustrates the basic conception of the present invention in a schematic way,
Then only display is painted with relevant component in the present invention rather than according to component count, shape and the size during actual implementation in schema
System, it is actual when implementing, and kenel, quantity and the ratio of each component can be a kind of random change, and its assembly layout kenel also may be used
Can be increasingly complex.
In the present invention, realized using coaxial cable the optical workstation equipment of hfc plant and C-DOCSIS field equipments it
Between docking.The coaxial cable top layer is provided with waterproof construction, therefore with water-proof function, is applicable to various occasions, it can be ensured that
Smooth between the optical workstation equipment of hfc plant and C-DOCSIS field equipments is docked.Reference picture 1, the coaxial cable includes：
Optical fiber 1, optical fiber interface can be SC/APC, FC/APC, SC/UPC, FC/UPC etc..
Optical fiber 2, optical fiber interface can be SC/APC, FC/APC, SC/UPC, FC/UPC etc.（Backup CMTS is up）.
Coaxial line 3, is 75 Ω SFF-75-1.5-1 (RG179）Coaxial shielding line turns F heads, and metric system or English system may be selected.
Coaxial line 4, is 75 Ω SFF-75-1.5-1 (RG179）Coaxial shielding line turns F heads, and metric system or English system may be selected.
Coaxial line 5, is 75 Ω SFF-75-1.5-1 (RG179）Coaxial shielding line turns F heads, and metric system or English system may be selected.
Specifically, the optical workstation equipment and the docking system of C-DOCSIS field equipments of hfc plant of the invention include
Optical workstation equipment, C-DOCSIS field equipments and the coaxial cable of hfc plant.Wherein, the optical workstation equipment of hfc plant
Docked with C-DOCSIS field equipments by coaxial cable.
Specifically, reference picture 2, the CATV fiber optic cable interfaces of optical workstation equipment are inputted with the optical cable of C-DOCSIS field equipments
Mouth is docked and tightened；The two ends of coaxial cable are set with the CATV optical cables input port and C-DOCSIS fields of optical workstation equipment respectively
Standby cable butting mouthful is docked and tightened；The optical fiber 1 of C-DOCSIS field equipments side and the CATV in C-DOCSIS field equipments
Optical cable is docked；The optical fiber 1 of light working equipment side is docked with the positive photoreceiver in optical workstation equipment；Light working equipment side
Coaxial line 3 is docked with the positive photoreceiver in optical workstation equipment；The coaxial line 3 and C- of C-DOCSIS field equipments side
The interface docking of correspondence Optical Receivers in DOCSIS field equipments；The coaxial line 4 and C- of C-DOCSIS field equipments side
DS+CATV mixing end docking in DOCSIS field equipments；The coaxial line 4 of light working equipment side connects with the TX in light working equipment
The docking of mouth end；The coaxial line 5 of optical workstation equipment side is docked with the RX ends of optical workstation equipment；C-DOCSIS field equipments side
Coaxial line 5 is docked with the US modules in C-DOCSIS field equipments.
Correspondingly, the docking calculation of the optical workstation equipment of hfc plant of the invention and C-DOCSIS field equipments is at least
Comprise the following steps：
Step S1：The CATV fiber optic cable interfaces of optical workstation equipment are docked with the optical cable input port of C-DOCSIS field equipments
And tighten, to prevent leak-stopping water；
Step S2：The two ends of coaxial cable are wild with the CATV optical cables input port of optical workstation equipment and C-DOCSIS respectively
The cable butting mouthful of external equipment is docked and tightened；
Step S3：The optical fiber 1 at C-DOCSIS field equipments end is docked with the CATV optical cables in C-DOCSIS field equipments；
Step S4：The optical fiber 1 of light working equipment side is docked with the positive photoreceiver in optical workstation equipment；
Step S5：The coaxial line 3 of light working equipment side is docked with the positive photoreceiver in optical workstation equipment；
Step S6：By the coaxial line 3 of C-DOCSIS field equipments side light-receiving mould corresponding with C-DOCSIS field equipments
The interface docking of block；
Step S7：The coaxial line 4 of C-DOCSIS field equipments side is mixed with the DS+CATV in C-DOCSIS field equipments
End docking；
Step S8：The coaxial line 4 of light working equipment side is docked with the TX interface ends in light working equipment；
Step S9：The coaxial line 5 of optical workstation equipment side is docked with the RX ends of optical workstation equipment；
Step S10：By the US modules pair in the coaxial line 5 of C-DOCSIS field equipments side and C-DOCSIS field equipments
Connect.
It should be noted that above-mentioned steps S3- steps S10 execution sequence is not fixed, can be according to actual conditions
Or personal like's random selection order.
Therefore, the optical workstation equipment of hfc plant of the invention of the invention and C-DOCSIS field equipments dock system
System can be achieved to dock between the optical workstation equipment and C-DOCSIS field equipments of hfc plant, the light work without changing hfc plant
Make any configuration of equipment.
In summary, the optical workstation equipment of hfc plant of the invention and the docking system knot of C-DOCSIS field equipments
Structure is simple, easily operated, and the perfection realized between the optical workstation equipment of hfc plant and C-DOCSIS field equipments is docked；
The used cable of docking has water-proof function simultaneously, and is not take up exceptional space, practical.So, effective gram of the present invention
Take various shortcoming of the prior art and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (6)
1. a kind of optical workstation equipment of hfc plant and the docking system of C-DOCSIS field equipments, it is characterised in that at least wrap
Include：Optical workstation equipment, C-DOCSIS field equipments and the coaxial cable of hfc plant；Wherein, the light work of the hfc plant
Make station equipment and the C-DOCSIS field equipments are docked by the coaxial cable；
The coaxial cable includes the first optical fiber, the second optical fiber, the first coaxial line, the second coaxial line and triax；
The CATV fiber optic cable interfaces of the optical workstation equipment are docked and twisted with the optical cable input port of the C-DOCSIS field equipments
Tightly；The CATV optical cables input port and the C-DOCSIS fields of the two ends of the coaxial cable respectively with the optical workstation equipment
The cable butting mouthful of equipment is docked and tightened；First optical fiber of the C-DOCSIS field equipments side and the C-DOCSIS fields
CATV optical cables docking in equipment；First optical fiber of the smooth working equipment side connects with the positive light in the optical workstation equipment
Receipts machine is docked；First coaxial line of the smooth working equipment side is docked with the positive photoreceiver in the optical workstation equipment；
First coaxial line of the C-DOCSIS field equipments side connects with corresponding Optical Receivers in the C-DOCSIS field equipments
Mouth docking；Second coaxial line of the C-DOCSIS field equipments side is mixed with the DS+CATV in the C-DOCSIS field equipments
Close end docking；Second coaxial line of the smooth working equipment side is docked with the TX interface ends in the smooth working equipment；The light
The triax of station device side is docked with the RX ends of the optical workstation equipment；The C-DOCSIS field equipments side
Triax is docked with the US modules in the C-DOCSIS field equipments.
2. the optical workstation equipment of hfc plant according to claim 1 and the docking system of C-DOCSIS field equipments, its
It is characterised by：The optical fiber interface of first optical fiber and the second optical fiber is SC/APC, FC/APC, SC/UPC or FC/UPC.
3. the optical workstation equipment of hfc plant according to claim 1 and the docking system of C-DOCSIS field equipments, its
It is characterised by：First coaxial line, the second coaxial line and triax are 75 Ω SFF-75-1.5-1 (RG179) coaxial
Shielding line turns F heads.
4. the optical workstation equipment of hfc plant according to claim 1 and the docking system of C-DOCSIS field equipments, its
It is characterised by：The coaxial cable top layer is provided with waterproof construction.
5. a kind of optical workstation equipment of hfc plant and the docking calculation of C-DOCSIS field equipments, it is characterised in that：HFC nets
The optical workstation equipment and C-DOCSIS field equipments of network are docked by coaxial cable；
The coaxial cable includes the first optical fiber, the second optical fiber, the first coaxial line, the second coaxial line and triax；
Comprise the following steps：
Step S1：By the optical cable input port of the CATV fiber optic cable interfaces of the optical workstation equipment and the C-DOCSIS field equipments
Dock and tighten；
Step S2：By the two ends of coaxial cable CATV optical cables input port respectively with the optical workstation equipment and the C-
The cable butting mouthful of DOCSIS field equipments is docked and tightened；
Step S3：By the CATV light in first optical fiber at the C-DOCSIS field equipments end and the C-DOCSIS field equipments
Cable is docked；
Step S4：By the positive photoreceiver pair in the first optical fiber of the smooth working equipment side and the optical workstation equipment
Connect；
Step S5：By the positive photoreceiver pair in the first coaxial line of the smooth working equipment side and the optical workstation equipment
Connect；
Step S6：By the first coaxial line of the C-DOCSIS field equipments side and corresponding light in the C-DOCSIS field equipments
The interface docking of receiving module；
Step S7：By the DS+ in the second coaxial line of the C-DOCSIS field equipments side and the C-DOCSIS field equipments
Dock at CATV mixing end；
Step S8：Second coaxial line of the smooth working equipment side is docked with the TX interface ends in the smooth working equipment；
Step S9：The triax of the optical workstation equipment side is docked with the RX ends of the optical workstation equipment；
Step S10：By the US in the triax of the C-DOCSIS field equipments side and the C-DOCSIS field equipments
Module is docked.
6. the optical workstation equipment of hfc plant according to claim 5 and the docking calculation of C-DOCSIS field equipments, its
It is characterised by：Step S3 to step S10 execution sequence is not fixed.
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| CN201410143347.1A CN104980221B (en) | 2014-04-10 | 2014-04-10 | The optical workstation equipment of hfc plant and the docking system of C DOCSIS field equipments and method |
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| CN201374778Y (en) * | 2009-03-16 | 2009-12-30 | 重庆景宏高科技有限责任公司 | Outdoor CMTS device |
| CN102148726A (en) * | 2011-03-24 | 2011-08-10 | 无锡路通光电技术有限公司 | Network management data acquisition unit of field equipment based on hybrid fiber coax (HFC) network radio frequency (RF) backhaul |
| CN102546118A (en) * | 2012-03-12 | 2012-07-04 | 国家广播电影电视总局广播电视规划院 | Service forwarding and priority mapping method for China-data over cable system interface specification (C-DOCSIS) system |
| WO2013135156A1 (en) * | 2012-03-12 | 2013-09-19 | 深圳市天威视讯股份有限公司 | Distributed deployment and centralized control cable television network broadband access system |
-
2014
- 2014-04-10 CN CN201410143347.1A patent/CN104980221B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101030907A (en) * | 2007-01-17 | 2007-09-05 | 陈勇 | HFC network wideband access system based on MoCA technology |
| CN101511043A (en) * | 2009-03-16 | 2009-08-19 | 重庆景宏高科技有限责任公司 | Synthesis business networking method based on HFC broadband network, and synthesis business optical station equipment |
| CN201374778Y (en) * | 2009-03-16 | 2009-12-30 | 重庆景宏高科技有限责任公司 | Outdoor CMTS device |
| CN102148726A (en) * | 2011-03-24 | 2011-08-10 | 无锡路通光电技术有限公司 | Network management data acquisition unit of field equipment based on hybrid fiber coax (HFC) network radio frequency (RF) backhaul |
| CN102546118A (en) * | 2012-03-12 | 2012-07-04 | 国家广播电影电视总局广播电视规划院 | Service forwarding and priority mapping method for China-data over cable system interface specification (C-DOCSIS) system |
| WO2013135156A1 (en) * | 2012-03-12 | 2013-09-19 | 深圳市天威视讯股份有限公司 | Distributed deployment and centralized control cable television network broadband access system |
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| CN104980221A (en) | 2015-10-14 |
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