CN108462530A - A kind of optical line terminal test device - Google Patents
A kind of optical line terminal test device Download PDFInfo
- Publication number
- CN108462530A CN108462530A CN201611139775.2A CN201611139775A CN108462530A CN 108462530 A CN108462530 A CN 108462530A CN 201611139775 A CN201611139775 A CN 201611139775A CN 108462530 A CN108462530 A CN 108462530A
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- Prior art keywords
- optical
- interface
- optical fiber
- line terminal
- network
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- 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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- 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
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
Abstract
One aspect of the present invention provides a kind of optical line terminal test device, including splicer and optical splitter, the optical splitter includes N number of optical fiber interface and a convergence interface, the splicer includes an aggregation interface and 2 optical fiber interfaces, the N is the natural number more than 1, wherein, N number of optical fiber interface, the optical port for connecting optical line terminal passive optical network line card；2 optical fiber interfaces are used for connecting optical network unit；The convergence interface is connect by optical fiber connector with the aggregation interface.The present invention solves in the prior art that testing efficiency is low, and interface connection is complicated, and the low problem of optical network device utilization rate reduces testing cost, improves testing efficiency.
Description
Technical field
The present invention relates to communication and computer realm, more particularly to a kind of optical line terminal test device and is at method
System.
Background technology
Passive optical network (Passive Optical Network, PON) is as a kind of emerging covering last one kilometer
Fiber broadband access technology, including Ethernet passive optical network (Ethernet Passive Optical Network, EPON)/
The technologies such as 10G EPON/ Gigabit Passive Optical Networks (Gigabit-Capable PON, GPON)/10G GPON.It is accessed with PON
The network disposed of mode just becoming a kind of main way of broadband network, which makes full use of optical-fiber network and passive light point
Road device is characteristic, reduces Provider Equipment cost and O＆M cost, and provide faster more stable broadband network to the user.At it
Voice, data service can be carried on network simultaneously, accomplishes multi-internet integration.Currently, PON technologies have become broadband access technology
Primary solutions.In face of the PON equipment Market demands increased increasingly, equipment supplier to ensure product quality reliability,
Stability is just particularly important the test of PON line card hardware capabilities；Testing passive optical network line card needs will be with line card at present
The equal number of optical network unit of optical interface accesses one by one, causes interface connection complicated, of high cost.If line card is supported simultaneously
GPON and 10GPON, or EPON or 10G EOPN are supported simultaneously, the light net unit test for successively accessing two kinds of standards is needed, just
It needs during the test, after the optical network unit for completing test to be replaced with to the optical network unit of another standard to continue
Test, this test method inefficiency are of high cost.
Low for current optical network testing terminal test method testing efficiency, interface connection is complicated, and optical network device utilizes
The low problem of rate,
Currently without effective solution scheme
Invention content
The present invention provides a kind of optical line terminal test device, method, system are at least to solve to test in the prior art
Efficiency is low, and interface connection is complicated, the low problem of optical network device utilization rate.
One aspect of the present invention provides a kind of optical line terminal test device, including splicer and optical splitter, the optical splitter
Including N number of optical fiber interface and one convergence interface, the splicer include an aggregation interface and 2 optical fiber interfaces, the N be more than
1 natural number, wherein N number of optical fiber interface, the optical port for connecting optical line terminal passive optical network line card；Described 2
Optical fiber interface is used for connecting optical network unit；The convergence interface is connect by optical fiber connector with the aggregation interface.
Further, the N is 2,4,8,16 or 32.
Further, 2 optical fiber interfaces, are additionally operable to through optical fiber connector connecting optical network unit.
Further, N number of optical fiber interface connect with optical module respectively
Further, N number of optical fiber interface is connect by optical fiber connector with optical module respectively.
The present invention also provides a kind of optical network unit test methods, including press certain time interval and once open 1 tunnel
Optical interface receives optical signal, when the optical interface receives optical signal, simultaneously closes off the reception of other optical interface optical signals；Wherein, institute
It is to be transmitted to the optical splitter by splicer by two optical network units to state optical signal, and the optical splitter includes described N number of
Optical fiber interface and a convergence interface, the splicer includes an aggregation interface and 2 optical fiber interfaces, and 2 optical fiber connects
For mouth by optical fiber connector and the one-to-one connection of described two optical network units, the convergence interface passes through optical fiber connector and institute
State aggregation interface connection, the optical port that N number of optical fiber interface passes through optical fiber connector and optical line terminal passive optical network line card
One-to-one connection；The optical line terminal optical-fiber network line card is tested according to the case where receiving the optical signal.
Another aspect of the present invention additionally provides a kind of optical line terminal test system, including control device, optical line terminal
Test device, optical network unit, wherein：
The optical splitter optical fiber interface of the optical line terminal test device and optical line terminal passive optical network line card to be measured
The one-to-one connection of optical port, the splicer optical fiber interface of the optical line terminal test device connect with the optical network unit；
The control device is connect with optical line terminal to be measured；
The control device is once opened 1 road optical interface by certain time interval for controlling optical line terminal to be measured
Receive optical signal, when the optical interface receives optical signal, simultaneously closes off the reception of other optical interface optical signals；
The optical line terminal to be measured receives optical signal, institute for once opening 1 road optical interface by certain time interval
When stating optical interface and receiving optical signal, the reception of other optical interface optical signals is simultaneously closed off, is surveyed according to the case where receiving the optical signal
Try passive optical network line card；
Optical line terminal test device is used for transmission the optical signal of optical network unit transmission to the light of passive optical network line card
Interface, the optical signal are to be transmitted to the optical splitter by the splicer, the optical splitter include N number of optical fiber interface and
One convergence interface, the splicer includes an aggregation interface and 2 optical fiber interfaces, and 2 optical fiber interfaces pass through optical fiber
Connector and the one-to-one connection of described two optical network units, the convergence interface pass through optical fiber connector and the aggregation interface
Connection, the one-to-one connection of optical port that N number of optical fiber interface passes through optical fiber connector and optical line terminal passive optical network line card.
Optical splitter and splicer are used in combination by providing a kind of optical line terminal test device by the present invention, it is only necessary to
It is provided to the test that all optical interfaces of passive optical network line card can be completed in more two optical network units, can simultaneously be tested simultaneously
It supports GPON and 10GPON, or supports the passive optical network line card of EPON or 10G EOPN simultaneously, need not replace in testing
Change optical network unit.Solve in the prior art that testing efficiency is low, interface connection is complicated, and optical network device utilization rate is low to ask
Topic, reduces testing cost, improves testing efficiency.
Description of the drawings
Fig. 1 is a kind of logic diagram of optical line terminal test device according to the ... of the embodiment of the present invention；
Fig. 2 is the flow chart of optical line terminal test method of the embodiment of the present invention；
Fig. 3 is the OLT system building-block of logic of the embodiment of the present invention；
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
It should be noted that term " first " in description and claims of this specification and above-mentioned attached drawing, "
Two " it is etc. for distinguishing similar object, without being used to describe specific sequence or precedence.
An embodiment of the present invention provides a kind of optical line terminal test device, Fig. 1 is one kind according to the ... of the embodiment of the present invention
The logic diagram of optical line terminal test device, as shown in Figure 1, the device includes splicer 11 and optical splitter 12, the optical splitter
Including N number of optical fiber interface and one convergence interface, the splicer include an aggregation interface and 2 optical fiber interfaces, the N be more than
1 natural number, wherein N number of optical fiber interface, the optical port for connecting optical line terminal passive optical network line card；Described 2
Optical fiber interface is used for connecting optical network unit；The convergence interface is connect by optical fiber connector with the aggregation interface.
Traditional optical line terminal (Optical Line Terminal, OLT) passive optical network (Passive Optical
Network, PON) line card optical port testing, by taking 8 port OLT are tested asymmetric XGPON line cards test as an example, traditional test environment
In order to meet 8 asymmetric XGPON port tests of panel, need to be equipped with 16 optical fiber and 8 GPON ONU and 8 10G
GPON ONU, test process are first to be inserted into the optical module of 8 connection GPON ONU in tested line card port, after completing test, are needed
Drawn optical fiber is wanted, second of test is carried out again insertable into the optical fiber of connection 10G GPON ONU, it could completing port functional test
Covering.It needs to be equipped with 16 interconnection optical fiber and 16 ONU, with high costs, utilization rate of equipment and installations is low, and test process also needs to insertion two
Group ONU optical fiber, under testing efficiency,.
The device that present aspect provides is as shown in Fig. 1, and 1 signified 12 left side of optical splitter is N number of for connecting OLT's in figure
The interface of PON line card optical ports, the present apparatus are converged the signal that optical network unit is sent using two optical interfaces of splicer 11
It is poly-, the two ways of optical signals after the convergence is transferred to by optical splitter by optical fiber connector, optical splitter transmits optical fiber connector
The optical signal that optical network unit by convergence is sent is divided into the roads N, then is transferred to the line card light being connected with optical splitter optical interface
Mouthful.
Device realization only needs a type ONU, only needs optical fiber of insertion that arbitrary port number optical port function can be completed
The purpose of test can greatly simplify test environment cost and promote testing efficiency.
Device described in the embodiment of the present invention can select different light splitting according to the difference of line card network port number
Device, it is any one in 1: 2,1: 4,1: 8,1: 16,1: 32 that optical splitter, which can be selected as splitting ratio, can also select other points
Light than optical splitter.
The embodiment of the present invention can also be by optical fiber connector by two optical fiber interface connecting optical network units of splicer.
The embodiment of the present invention is directly inserted into line after can also connecting N number of optical fiber interface of optical splitter with optical module respectively
Card optical port, connection that can also directly with optical module on line card.
N number of optical fiber interface of optical splitter can also be connect by optical fiber connector with optical module by the embodiment of the present invention respectively
After be directly inserted into line card optical port, connection that can also respectively by optical fiber connector directly with optical module on line card, to reach
Increase the purpose of connection distance.
The embodiment of the present invention additionally provides a kind of optical line terminal test method, and Fig. 2 is that optical link of the embodiment of the present invention is whole
The flow chart for holding test method, as shown in Fig. 2, including：
S201：1 road optical interface is once opened by certain time interval and receives optical signal, and the optical interface receives optical signal
When；Simultaneously close off the reception of other optical interface optical signals；
Wherein, the optical signal is to be transmitted to the optical splitter by splicer by two optical network units, described point
Light device includes N number of optical fiber interface and a convergence interface, and the splicer includes that an aggregation interface and 2 optical fiber connect
Mouthful, for 2 optical fiber interfaces by optical fiber connector and the one-to-one connection of described two optical network units, the convergence interface is logical
It crosses optical fiber connector to connect with the aggregation interface, N number of optical fiber interface is passive with optical line terminal by optical fiber connector
The one-to-one connection of optical port of optical-fiber network line card；According to receive the optical signal the case where to the optical line terminal optical-fiber network line card
It is tested.
Since the ONU that the present apparatus uses is connected to multiple optical ports of the PON line cards of OLT simultaneously, in order to avoid OLT's
The multiple optical ports of PON line cards access the same ONU and bring product ID (Serial Number, SN) identical conflict of value simultaneously,
It needs to do Special controlling to the PON optical ports of OLT in test method, asymmetric XGPON line cards test is tested with 8 port OLT
For, when carrying out 1 port test, the PON line cards of OLT need to make the 1st optical port open by software configuration, 2-8 optical ports
It closes, after the GPON ONU and 10G GPON ONU tests for completing the 1st optical port, then the 2nd optical port testing is carried out, likewise, test
When need first to close the 1st optical port and 3-8 optical ports, open the 2nd optical port and carry out GPON ONU and 10G GPON ONU test, with this
Analogize.Only being opened when test needs port to be tested, other ports to be closed in testing, and test successively is completed.
Another aspect of the present invention additionally provides a kind of optical line terminal test system, including control device, optical line terminal
Test device, optical network unit, wherein：
The optical splitter optical fiber interface of the optical line terminal test device and optical line terminal passive optical network line card to be measured
The one-to-one connection of optical port, the splicer optical fiber interface of the optical line terminal test device connect with the optical network unit；
The control device is connect with optical line terminal to be measured；
The control device is once opened 1 road optical interface by certain time interval for controlling optical line terminal to be measured
Receive optical signal, when the optical interface receives optical signal, simultaneously closes off the reception of other optical interface optical signals；
The optical line terminal to be measured receives optical signal, institute for once opening 1 road optical interface by certain time interval
When stating optical interface and receiving optical signal, the reception of other optical interface optical signals is simultaneously closed off, is surveyed according to the case where receiving the optical signal
Try passive optical network line card；
The optical line terminal test device is used for transmission the optical signal of optical network unit transmission to passive optical network line card
Optical interface, the optical signal is to be transmitted to the optical splitter by the splicer, and the optical splitter includes that N number of optical fiber connects
Mouth and a convergence interface, the splicer includes an aggregation interface and 2 optical fiber interfaces, and 2 optical fiber interfaces pass through
Optical fiber connector and the one-to-one connection of described two optical network units, the convergence interface are polymerize by optical fiber connector with described
Interface connects, and N number of optical fiber interface is one-to-one by the optical port of optical fiber connector and optical line terminal passive optical network line card
Connection.
It is tested below using asymmetric XGPON line cards as the embodiment of the present invention and system described in the invention is said
Bright, Fig. 3 is the OLT system building-block of logic of the embodiment of the present invention, and as shown in Fig. 3, which needs PC machine
A set of 31, meaning OLT tests machine frame one 32, OLT master control environment plate 33,8 port OLT and is tested asymmetric XGPON line cards one
Optical module, 10 single mode optical fibers, optical line terminal test device 35, the 10G of 34,8 access OLT PON line card optical ports of block
GPON ONU mono-, GPON ONU mono-, PC machine network interface are connect with the network interface of OLT master control environment plates with cable, PC machine and master control
Environment plate is instructed by network cable transmission testing and control, and 8 single mode optical fibers are filled for being tested line card optical port with optical line terminal test
Optical port interconnection is set, 2 optical fiber are used to interconnect optical line terminal test device and two ONU optical ports.
The ONU that the present apparatus uses is connected to 8 optical ports of the PON line cards of OLT simultaneously, in order to avoid the PON lines of OLT
Block multiple optical ports while accessing the same ONU and bring product ID (Serial Number, SN) identical conflict of value, into
When 1 port test of row, the PON line cards of OLT need to make the 1st optical port open by software configuration, and 2-8 optical ports are closed, and complete
After the GPON ONU and 10G GPON ONU tests of 1st optical port, then the 2nd optical port testing is carried out, likewise, needing first to close when test
The 1st optical port and 3-8 optical ports are closed, the 2nd optical port is opened and carries out GPON ONU and 10G GPON ONU tests, and so on.Test
When only open port to be tested, other ports needed to be closed in testing, test successively is completed.
Those skilled in the art should be understood that each module of the above invention or each step can use general calculating
Device realizes that they can be concentrated on a single computing device, or be distributed in network constituted by multiple computing devices
On, optionally, they can be realized with the program code that computing device can perform, it is thus possible to be stored in storage
It is performed by computing device in device, and in some cases, it can be to execute shown different from sequence herein or retouch
The step of stating, either they are fabricated to each integrated circuit modules or by the multiple modules or step system in them
Single integrated circuit module is made to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of optical line terminal test device, which is characterized in that including splicer and optical splitter, the optical splitter includes N number of
Optical fiber interface and a convergence interface, the splicer include an aggregation interface and 2 optical fiber interfaces, and the N is more than 1
Natural number, wherein
N number of optical fiber interface, the optical port for connecting optical line terminal passive optical network line card；
2 optical fiber interfaces are used for connecting optical network unit；
The convergence interface is connect by optical fiber connector with the aggregation interface.
2. device as described in claim 1, which is characterized in that the N is 2,4,8,16 or 32.
3. device as claimed in claim 2, which is characterized in that 2 optical fiber interfaces are additionally operable to connect by optical fiber connector
Connect optical network unit.
4. device as claimed in claim 2, which is characterized in that N number of optical fiber interface is connect with optical module respectively.
5. device as claimed in claim 4, which is characterized in that N number of optical fiber interface passes through optical fiber connector and light respectively
Module connects.
6. a kind of optical network unit test method, which is characterized in that including：
1 road optical interface is once opened by certain time interval receive optical signal closed simultaneously when the optical interface receives optical signal
Close the reception of other optical interface optical signals；
Wherein, the optical signal is to be transmitted to the optical splitter, the optical splitter by splicer by two optical network units
Including N number of optical fiber interface and a convergence interface, the splicer includes an aggregation interface and 2 optical fiber interfaces, institute
2 optical fiber interfaces are stated by optical fiber connector and the one-to-one connection of described two optical network units, the convergence interface passes through light
Fiber connector is connect with the aggregation interface, and N number of optical fiber interface passes through optical fiber connector and optical line terminal passive optical network
The one-to-one connection of optical port of winding thread card；The optical line terminal optical-fiber network line card is carried out according to the case where receiving the optical signal
Test.
7. a kind of optical line terminal test system, including control device, optical line terminal test device, optical network unit, wherein：
The light of the optical splitter optical fiber interface of the optical line terminal test device and optical line terminal passive optical network line card to be measured
The one-to-one connection of mouth, the splicer optical fiber interface of the optical line terminal test device are connect with the optical network unit；It is described
Control device is connect with optical line terminal to be measured；
The control device is once opened 1 road optical interface receiving by certain time interval for controlling optical line terminal to be measured
Optical signal when the optical interface receives optical signal, simultaneously closes off the reception of other optical interface optical signals；
The optical line terminal to be measured receives optical signal, the light for once opening 1 road optical interface by certain time interval
When interface receives optical signal, the reception of other optical interface optical signals is simultaneously closed off, nothing is tested according to the case where receiving the optical signal
Source optical-fiber network line card；
Optical line terminal test device, the light for being used for transmission optical signal to the passive optical network line card of optical network unit transmission connect
Mouthful, the optical signal is to be transmitted to the optical splitter by the splicer, and the optical splitter includes N number of optical fiber interface and one
A convergence interface, the splicer include an aggregation interface and 2 optical fiber interfaces, and 2 optical fiber interfaces are connected by optical fiber
Device and the one-to-one connection of described two optical network units are connect, the convergence interface is connected by optical fiber connector and the aggregation interface
It connects, the one-to-one connection of optical port that N number of optical fiber interface passes through optical fiber connector and optical line terminal passive optical network line card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139775.2A CN108462530B (en) | 2016-12-12 | 2016-12-12 | Optical line terminal testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611139775.2A CN108462530B (en) | 2016-12-12 | 2016-12-12 | Optical line terminal testing device |
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| CN108462530A true CN108462530A (en) | 2018-08-28 |
| CN108462530B CN108462530B (en) | 2022-05-20 |
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| CN201611139775.2A Active CN108462530B (en) | 2016-12-12 | 2016-12-12 | Optical line terminal testing device |
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Cited By (1)
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| WO2022105396A1 (en) * | 2020-11-19 | 2022-05-27 | 中兴通讯股份有限公司 | Optical fiber connection method and device, storage medium, and electronic device |
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