CN105939465A - Video data optical station - Google Patents
Video data optical station Download PDFInfo
- Publication number
- CN105939465A CN105939465A CN201610458291.8A CN201610458291A CN105939465A CN 105939465 A CN105939465 A CN 105939465A CN 201610458291 A CN201610458291 A CN 201610458291A CN 105939465 A CN105939465 A CN 105939465A
- Authority
- CN
- China
- Prior art keywords
- optical
- video data
- olt
- image intensifer
- light station
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
Abstract
The invention discloses a video data optical station, and belongs to the technical field of optical transmission communication. The video data optical station is arranged at an optical node which is located between a front-end machine room and a user-end device; the front-end machine room comprises an optical switch, a 1550 nm optical transmitter and a 1550 nm front-end optical amplifier; the 1550 nm optical transmitter is connected with the 1550 nm front-end optical amplifier; and the user-end device comprises an optical receiver. The video data optical station is characterized by comprising an OLT (Optical Line Terminal); and the OLT is connected with the optical switch of the front-end machine room through one or two fibers, and is also connected with the user-end device through an optical splitter and a to-the-home fiber. Therefore, uplink and downlink transmission of a data signal is realized, and the OLT of the front-end machine room is sunk to the position of the optical node. Plenty of front-end machine room space and main line fiber resources are saved; remote device configuration and management can be realized without establishing a secondary front-end machine room; and the project implementation is simple, the construction period is short, and a broadcasting and TV controllable and manageable FTTH network can be established rapidly and at low cost.
Description
Technical field
The invention belongs to optical transport communication technical field, be specifically related to a kind of video data light station (English full name is:
video data optical station；English abbreviation: VDOS).
Background technology
On August 1st, 2013, " " broadband China " strategy and embodiment " that State Council issues proposes: at the end of 2015, base
This realizes, and city FTTB is registered one's residence, Rural Broadband enters township and enters village, and fixed broadband home penetration rate reaches 50%, the logical width in administrative village
Band ratio reaches 95%, national cable TV network network interconnect platform cover cable TV network user's ratio reach 80%, city
City and rural households' broadband access ability basically reach 20M and 4M, and the flourishing city of part reaches 100M；To the year two thousand twenty end, it is achieved
Broadband network covers town and country comprehensively, and fixed broadband home penetration rate reaches 70%, and administrative village leads to broadband ratio more than 98%, city and
Rural households' broadband access ability respectively reaches 50M and 12M, and flourishing urban parts domestic consumer is up to 1G.According to two ministries and commissions' literary compositions
Part and General Bureau of Radio, Film and Television NGB planning, current radio, TV and film industries " light entering and copper back " extensive development, broadcasting and TV FTTH(English full name is:
Fiber To The Home, Chinese is: fiber to the home) become the technological trend carrying out the integration of three networks business future.
FTTH pattern can provide the bandwidth from tens of million to gigabit, and it is the settling mode put things right once and for all of access network problem.
But, the network upgrade of broadcasting and TV FTTH, extend, transform a series of problem that brings: one, machine room needs to add a large amount of
OLT(English full name be: optical line terminal, Chinese is: optical line terminal) and 1550nm image intensifer
Deng equipment, cause inner space nervous；Two, backbone needs to set up a large amount of optical fiber, causes backbone fiber resource nervous, needs
Again optical fiber is laid；Three, needing to set up substantial amounts of secondary front end, input cost is relatively big, manages and safeguards inconvenience.
In view of above-mentioned prior art, the applicant has made useful design, technical scheme described below be
Produce under this background.
Summary of the invention
It is an object of the invention to provide a kind of video data light station, a large amount of headend room space and trunk can be saved
Line fiber resource, O&M cost is low.
It is an object of the invention to so to reach, a kind of video data light station, this video data light station is arranged in
At optical node between headend room and ustomer premises access equipment, described headend room includes optical switch, 1550nm optical sender
And 1550nm front end image intensifer, described 1550nm optical sender connects 1550nm front end image intensifer, described user
End equipment includes photoreceiver, it is characterised in that: described video data light station includes OLT, described OLT and headend room light
Switch is connected by one or two optical fiber, is connected with ustomer premises access equipment further through optical branching device and Drop cable, thus
Realize the downstream transmission of data signal, and the OLT of headend room is sunk down into optical node position.
In a specific embodiment of the present invention, also include 1550nm light station image intensifer, described 1550nm light
Image intensifer of standing connects 1550nm front end image intensifer by an optical fiber and optical branching device, further through optical branching device and register one's residence
Optical fiber is connected with ustomer premises access equipment, is achieved in the transmission of cable TV signal, and the 1550nm front end light of headend room is put
Big device sinks down into optical node position.
In another specific embodiment of the present invention, described 1550nm light station image intensifer uses the most pluggable
Structure.
In another specific embodiment of the present invention, also including outdoor type waterproof case, described outdoor type is waterproof
Shell is cast aluminium shell, and described OLT and 1550nm light station image intensifer is arranged on the shell intracavity of outdoor type waterproof case.
In another specific embodiment of the present invention, described ustomer premises access equipment includes that ONU(English full name is:
Optical Network Unit, Chinese is: optical network unit), described ONU passes through optical branching device and light of registering one's residence
Fine connection OLT, while realizing the downstream transmission of data signal, is carried out Remote configuration and management by OLT to ONU.
Due to the fact that and have employed said structure, compared with prior art, have the beneficial effect that and can save in a large number
Headend room space, saves backbone fiber resource, it is not necessary to set up secondary front end and can realize Remote configuration and the pipe of equipment
Reason；Engineering construction is simple, short construction period, and can build that broadcasting and TV are controlled quickly, at low cost can pipe FTTH network.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of another embodiment of the present invention.
Fig. 3 is the structural representation of further embodiment of this invention.
Detailed description of the invention
The detailed description of the invention of the present invention is described in detail by applicant by combining accompanying drawing below, but applicant is to embodiment
Description be not the restriction to technical scheme, any changing in the form rather than substance according to present inventive concept all should be considered as this
The protection domain of invention.
Embodiment 1:
Referring to Fig. 1, a kind of video data light station is arranged at the optical node between headend room and ustomer premises access equipment.Institute
The headend room stated includes optical switch, 1550nm optical sender and 1550nm front end image intensifer, described 1550nm light
Transmitter connects 1550nm front end image intensifer, and the 1550nm signal that 1550nm optical sender sends is through the light amplification of 1550nm front end
Device is sent out after amplifying.Described ustomer premises access equipment includes photoreceiver and ONU.Described video data light station include OLT,
1550nm light station image intensifer and outdoor type waterproof case, and use technical grade to design.Described technical grade design refers to set
Standby employing technical grade components and parts and process modification, can reliably use in environment below 70 DEG C, and conventional equipment may be only available for
The environment of less than 50 DEG C, and need air-conditioning to carry out Physical temperature-lowering.Described OLT and 1550nm light station image intensifer is arranged on field
The shell intracavity of type waterproof case.Outdoor type waterproof case is cast aluminium shell, and classification of waterproof reaches more than IP67 level, is mountable to
On ground case and peg circuit, it is not necessary to the equipment such as headend room and air conditioner in machine room is set.
In the present embodiment, described OLT is connected by an optical fiber with headend room optical switch, is using a light
In the case of fibre, need the two ways of optical signals synthesis sent by optical switch by wavelength division multiplexer a branch of, then along simple optical fiber
Transmission；OLT is connected with the ONU of ustomer premises access equipment further through optical branching device and Drop cable, is achieved in the upper of data signal
Downlink transfer, and the OLT of headend room is sunk down into optical node position.While carrying out data signal downstream transmission, OLT
Also ONU is carried out Remote configuration and management.Original OLT is arranged on headend room, causes transmission range inadequate, and front end
Machine room needs the ONU configuring substantial amounts of fiber resource to connect ustomer premises access equipment.And equipment is installed on former by video data light station
There is the optical node position of community or circuit, headend room OLT is sunk down into optical node, so available original backbone optical fiber money
Source, it is not necessary to set up secondary front end, saves resource distribution, equipment additionally also can carry out Remote configuration and management, it is possible to
Quickly, at low cost build broadcasting and TV are controlled can pipe FTTH network.Described 1550nm light station image intensifer by an optical fiber and
Optical branching device connects 1550nm front end image intensifer, is connected with ustomer premises access equipment further through optical branching device and Drop cable, by
This realizes the transmission of cable TV signal, and the 1550nm front end image intensifer of headend room is sunk down into optical node position.
Embodiment 2:
Referring to Fig. 2, in the present embodiment, described OLT is connected by two optical fiber with headend room optical switch, and remaining is equal
With embodiment 1.
Embodiment 3:
Referring to Fig. 3, in the present embodiment, described 1550nm light station image intensifer uses online pluggable structure, can be on-demand
Configure, save early stage construction investment.If original photoreceiver equipment and coaxial cable transmission network of registering one's residence are the most perfect, then
Optical node can utilize original photoreceiver and register one's residence coaxial cable transmission network without installing the station light amplification of 1550nm light additional
Device.The 1550nm signal of headend room is sent to the Set Top Box of ustomer premises access equipment successively through optical branching device and photoreceiver.When former
After having photoreceiver and coaxial cable transmission network of registering one's residence to reach service life (general 8～10 years), video data light station refills
Enter 1550nm light station image intensifer, it replace existing equipment and network, it is achieved the smooth upgrade transformation of network.
Claims (5)
1. a video data light station, the light joint that this video data light station is arranged between headend room and ustomer premises access equipment
At Dian, described headend room includes optical switch, 1550nm optical sender and 1550nm front end image intensifer, described
1550nm optical sender connects 1550nm front end image intensifer, and described ustomer premises access equipment includes photoreceiver, it is characterised in that:
Described video data light station includes that OLT, described OLT are connected by one or two optical fiber with headend room optical switch,
It is connected with ustomer premises access equipment further through optical branching device and Drop cable, is achieved in the downstream transmission of data signal, and will
The OLT of headend room sinks down into optical node position.
Video data light station the most according to claim 1, it is characterised in that also include 1550nm light station image intensifer, described
1550nm light station image intensifer connect 1550nm front end image intensifer by an optical fiber and optical branching device, further through light branch
Device and Drop cable are connected with ustomer premises access equipment, are achieved in the transmission of cable TV signal, and headend room
1550nm front end image intensifer sinks down into optical node position.
Video data light station the most according to claim 2, it is characterised in that described 1550nm light station image intensifer uses
Online pluggable structure.
Video data light station the most according to claim 2, it is characterised in that also include outdoor type waterproof case, described open country
External form waterproof case is cast aluminium shell, and described OLT and 1550nm light station image intensifer is arranged on the shell of outdoor type waterproof case
Intracavity.
Video data light station the most according to claim 1, it is characterised in that described ustomer premises access equipment includes ONU, described
ONU connect OLT by optical branching device and Drop cable, while realizing data signal downstream transmission, by OLT pair
ONU carries out Remote configuration and management.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458291.8A CN105939465A (en) | 2016-06-22 | 2016-06-22 | Video data optical station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458291.8A CN105939465A (en) | 2016-06-22 | 2016-06-22 | Video data optical station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105939465A true CN105939465A (en) | 2016-09-14 |
Family
ID=56872553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458291.8A Withdrawn CN105939465A (en) | 2016-06-22 | 2016-06-22 | Video data optical station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105939465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933469A (en) * | 2019-11-26 | 2020-03-27 | 安徽华速达电子科技有限公司 | Multimedia method and device based on ONU integrated audio, video and broadcast |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364914A (en) * | 2008-05-20 | 2009-02-11 | 上海润欣科技有限公司 | Coaxial cable access and networking method based on HFC network |
| US20090129773A1 (en) * | 2007-11-21 | 2009-05-21 | Moshe Oron | Method and apparatus for isolating a location of a fault in a passive optical network |
| CN102333025A (en) * | 2011-06-07 | 2012-01-25 | 聂义林 | Broadcasting and television two-way network system and smooth bandwidth-upgrading method thereof |
| CN203136349U (en) * | 2012-12-06 | 2013-08-14 | 上海亨通宏普通信技术有限公司 | Outdoor communication rack applied to OLT sinking |
| CN204362229U (en) * | 2014-12-02 | 2015-05-27 | 广州珠江数码集团有限公司 | A kind of field cable TV integrated cabinet |
| CN205693812U (en) * | 2016-06-22 | 2016-11-16 | 苏州市高事达信息科技股份有限公司 | Video data light station |
-
2016
- 2016-06-22 CN CN201610458291.8A patent/CN105939465A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090129773A1 (en) * | 2007-11-21 | 2009-05-21 | Moshe Oron | Method and apparatus for isolating a location of a fault in a passive optical network |
| CN101364914A (en) * | 2008-05-20 | 2009-02-11 | 上海润欣科技有限公司 | Coaxial cable access and networking method based on HFC network |
| CN102333025A (en) * | 2011-06-07 | 2012-01-25 | 聂义林 | Broadcasting and television two-way network system and smooth bandwidth-upgrading method thereof |
| CN203136349U (en) * | 2012-12-06 | 2013-08-14 | 上海亨通宏普通信技术有限公司 | Outdoor communication rack applied to OLT sinking |
| CN204362229U (en) * | 2014-12-02 | 2015-05-27 | 广州珠江数码集团有限公司 | A kind of field cable TV integrated cabinet |
| CN205693812U (en) * | 2016-06-22 | 2016-11-16 | 苏州市高事达信息科技股份有限公司 | Video data light station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933469A (en) * | 2019-11-26 | 2020-03-27 | 安徽华速达电子科技有限公司 | Multimedia method and device based on ONU integrated audio, video and broadcast |
| CN110933469B (en) * | 2019-11-26 | 2022-01-28 | 安徽华速达电子科技有限公司 | Multimedia method and device based on ONU integrated audio, video and broadcast |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20160914 |