CN110247702A - Test macro and its test method for GPON, EPON optical module - Google Patents
Test macro and its test method for GPON, EPON optical module Download PDFInfo
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- CN110247702A CN110247702A CN201910628011.7A CN201910628011A CN110247702A CN 110247702 A CN110247702 A CN 110247702A CN 201910628011 A CN201910628011 A CN 201910628011A CN 110247702 A CN110247702 A CN 110247702A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 77
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 238000010998 test method Methods 0.000 title claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims abstract description 75
- 210000004556 brain Anatomy 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0062—Network aspects
- H04Q2011/0079—Operation or maintenance aspects
- H04Q2011/0083—Testing; Monitoring
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Abstract
The invention discloses a kind of test macros and its test method for GPON, EPON optical module, include plug-flow computer, optical fiber switch, level-one EDFA amplifier, the one one point of 32 Light splitter toy, the first 10KM optical fiber cable, the first one-to-two Light splitter toy, second level EDFA amplifier, the 2nd 1 point of 32 Light splitter toy, the 2nd 10KM optical fiber cable, the first adjustable optical attenuator, the one one point of 16 Light splitter toy, Devices to test DUT, the 2nd 1 point of 16 Light splitter toy, the second adjustable optical attenuator, OLT and registration computer.The site environment specific aim that the present invention can simulate client builds matched test macro, then carries out the test of GPON and EPON optical module, solves optical module test problem and can reach the testing standard of curstomer's site.
Description
Technical field
The present invention relates to a kind of test macro and its test method, especially a kind of survey for GPON, EPON optical module
Test system and its test method.
Background technique
GPON (Gigabit-Capable PON) technology be the latest generation broadband based on ITU-TG.984.x standard without
Source light Integrated access standard has high bandwidth, and high efficiency, large coverage, user interface enriches equal many merits, most of
Operator is considered as realization and accesses the desirable technique that network service is broadband, and synthesization is transformed.
EPON(Ethernet Passive Optical Network, Ethernet passive optical network), it is base as its name suggests
In the PON technology of Ethernet.It is transmitted using point-to-multipoint structure, passive fiber, and multiple business is provided on Ethernet.
EPON technology is standardized by IEEE802.3 EFM working group.
In order to adapt to the production of GPON/EPON optical module, the site environment for needing to simulate client builds test system for factory at present
System solves optical module test problem.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of test macros and its survey for GPON, EPON optical module
Method for testing, simulation curstomer's site standard test system building complete optical module test.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
A kind of test macro for GPON, EPON optical module, it is characterised in that: include plug-flow computer, optical fiber switch, level-one
EDFA amplifier, the one one point of 32 Light splitter toy, the first 10KM optical fiber cable, the first one-to-two Light splitter toy, second level EDFA amplification
Device, the 2nd 1 point of 32 Light splitter toy, the 2nd 10KM optical fiber cable, the first adjustable optical attenuator, the one one point of 16 Light splitter toy, to
Measurement equipment DUT, the 2nd 1 point of 16 Light splitter toy, the second adjustable optical attenuator, OLT and registration computer, plug-flow computer connect optical fiber
The GE mouth of interchanger, the IN mouth of the TX1-LC mouth connection level-one EDFA amplifier of optical fiber switch, the OUT of level-one EDFA amplifier
The input terminal of mouth the one one point of 32 Light splitter toy of connection, the output end of the one one point of 32 Light splitter toy pass through the first 10KM light
Fine line connects the input terminal of the first one-to-two Light splitter toy, the output end connection second level EDFA amplifier of the first one-to-two Light splitter toy
IN mouthfuls, the OUT port of second level EDFA amplifier connects the input terminal of the 2nd 1 point of 32 Light splitter toy, the 2nd 1 point of 32 light point
The output end of device by the 2nd 10KM optical fiber cable connect the first adjustable optical attenuator input terminal, the first adjustable optical attenuator it is defeated
Outlet connects the input terminal of the one one point of 16 Light splitter toy, and the output end of the one one point of 16 Light splitter toy connects Devices to test DUT,
The GE mouth of computer connection OLT is registered, the input terminal of the GPON mouth of OLT and EPON mouthfuls of the second adjustable optical attenuators of connection, second can
The output end of optical attenuator connects the input terminal of the 2nd 1 point of 16 Light splitter toy, and the output end of the 2nd 1 point of 16 Light splitter toy connects
Receive measurement equipment DUT.
Further, the optical fiber switch uses 10,000,000,000 optical fiber switch of S5710.
Further, the plug-flow computer turns the GE mouth that Serial Port Line connects 10,000,000,000 optical fiber switch of S5710 by network interface.
Further, the OLT, which is used, includes emerging OLT C320 in GPON module and EPON module.
Further, the registration computer turns the GE mouth of emerging OLT C320 in Serial Port Line connection by network interface.
Further, the TX2-LC mouth of 10,000,000,000 optical fiber switch of S5710 connects the input of the second one-to-two Light splitter toy
End, two output ends of the second one-to-two Light splitter toy are separately connected the RX2-LC mouth and RX1-LC of 10,000,000,000 optical fiber switch of S5710
Mouthful.
A kind of test method for GPON, EPON optical module, it is characterised in that comprise the steps of:
Step 1: plug-flow computer is turned into the GE mouth that Serial Port Line connects 10,000,000,000 optical fiber switch of S5710, plug-flow electricity by network interface first
Brain opens plug-flow tool and imports code stream and set corresponding ports broadcast code flow file, and optical module is inserted into 1,2 mouthful of S5710, then
Optical module mode is configured by computer, 2 mouthfuls of the end TX turns SC optical fiber cable by LC and accesses the second one-to-two Light splitter toy, then by one point
The delivery outlet of two Light splitter toy turns the end the RX forming circuit that SC optical fiber cable is respectively connected to 1,2 mouthful by LC, so that 1 mouthful of TX output-
0.8dB optical signal；
Step 2: 1 mouthful of end TX of optical module turns the IN mouth that FC optical fiber cable accesses level-one EDFA amplifier by LC, adjusts level-one EDFA
Amplifier gain amplifier to 23.5dB, the OUT port of level-one EDFA amplifier turns SC optical fiber cable by FC and accesses the one one point 30
The input port of two Light splitter toy, delivery outlet export 4.04dB signal, access 10KM optical fiber cable, after 10KM optical fiber cable output for-
0.71dB；
Step 3: the input port of the other one section of access second level EDFA amplifier of 10KM optical fiber cable is put by second level EDFA amplifier
Large gain turns SC optical fiber cable by FC and accesses to the 2nd 1 point of 32 Light splitter toy, it is defeated that signal is down to 3.19dB to 23.1dB
Out, 0.37dB signal is exported using 10KM optical fiber cable, accesses the first adjustable optical attenuator, then access the one one point of 16 light
Divide device, guarantee that one point of 16 Light splitter toy output signal strength standard is -17dB, it is to be measured to turn the access of FC optical fiber cable finally by SC
The FC plug-flow interface of machine DUT realizes 16 to-be-detected machines while receiving 10,000,000,000 optical signals and playing.
Further, the GE mouth that registration computer is turned to emerging OLT C320 in Serial Port Line connection by network interface, if to-be-detected machine
Belong to GPON, then regard the port of GPON 1 as delivery outlet, initial signal is about 3dB, then accesses the second adjustable optical attenuator, defeated
Out to the 2nd 1 point of 16 Light splitter toy, then the SC registration interface that SC optical fiber cable accesses to-be-detected machine turned by SC, realize 16 to
Machine is surveyed to receive 10,000,000,000 optical signals simultaneously and succeed in registration.
Compared with prior art, the present invention having the following advantages that and effect: the present invention can simulate the site environment of client
Specific aim builds matched test macro, then carries out the test of GPON and EPON optical module, solves optical module test problem simultaneously
The testing standard of curstomer's site can be reached.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of test macro for GPON, EPON optical module of the invention.
Specific embodiment
Below by embodiment, the present invention is described in further detail, following embodiment be explanation of the invention and
The invention is not limited to following embodiments.
As shown in Figure 1, a kind of test macro for GPON, EPON optical module of the invention, includes plug-flow computer 1, light
Fine interchanger 2, level-one EDFA amplifier 3, the 1st points of 32 Light splitter toy 4, the first 10KM optical fiber cable 5, first one-to-two light
Divide device 6, second level EDFA amplifier 7, the 2nd 1 points of 32 Light splitter toy 8, the 2nd 10KM optical fiber cable 9, the first adjustable optical attenuator
10, the one one point of 16 Light splitter toy 11, Devices to test DUT12, the 2nd 1 point of 16 Light splitter toy 13, the second adjustable optical attenuator
14, OLT15 and registration computer 16, plug-flow computer 1 connect the GE mouth of optical fiber switch 2, the TX1-LC mouth connection of optical fiber switch 2
The IN mouth of level-one EDFA amplifier 3, the OUT port of level-one EDFA amplifier 3 connect the input of the one one point of 32 Light splitter toy 4
The output end at end, the one one point of 32 Light splitter toy 4 connects the defeated of the first one-to-two Light splitter toy 6 by the first 10KM optical fiber cable 5
Enter end, the IN mouth of the output end connection second level EDFA amplifier 7 of the first one-to-two Light splitter toy 6, the OUT of second level EDFA amplifier 7
The input terminal of mouth the 2nd 1 point of 32 Light splitter toy 8 of connection, the output end of the 2nd 1 point of 32 Light splitter toy 8 pass through the 2nd 10KM
Optical fiber cable 9 connects the input terminal of the first adjustable optical attenuator 10, and the output end of the first adjustable optical attenuator 10 connects the one one point
The output end of the input terminal of 16 Light splitter toy 11, the one one point of 16 Light splitter toy 11 connects Devices to test DUT12, registers computer 16
The GE mouth of OLT15 is connected, the input terminal of the GPON mouth of OLT15 and EPON mouthfuls of the second adjustable optical attenuators 14 of connection, second is adjustable
The output end of optical attenuator 14 connects the input terminal of the 2nd 1 point of 16 Light splitter toy 13, the output of the 2nd 1 point of 16 Light splitter toy 13
End connection Devices to test DUT12.
Wherein, optical fiber switch 2 uses 10,000,000,000 optical fiber switch of S5710.Plug-flow computer 1 turns Serial Port Line connection by network interface
The GE mouth of 10,000,000,000 optical fiber switch of S5710.OLT15, which is used, includes emerging OLT C320 in GPON module and EPON module.Registration
Computer 16 turns the GE mouth of emerging OLT C320 in Serial Port Line connection by network interface.The TX2-LC mouth company of 10,000,000,000 optical fiber switch of S5710
The input terminal of the second one-to-two Light splitter toy 17 is connect, two output ends of the second one-to-two Light splitter toy 17 are separately connected S5710 10,000,000,000
The RX2-LC mouth of optical fiber switch and RX1-LC mouthfuls.
A kind of test method for GPON, EPON optical module comprising the steps of:
Step 1: plug-flow computer is turned into the GE mouth that Serial Port Line connects 10,000,000,000 optical fiber switch of S5710, plug-flow electricity by network interface first
Brain opens plug-flow tool and imports code stream and set corresponding ports broadcast code flow file, and optical module is inserted into 1,2 mouthful of S5710, then
Optical module mode is configured by computer, 2 mouthfuls of the end TX turns SC optical fiber cable by LC and accesses the second one-to-two Light splitter toy, then by one point
The delivery outlet of two Light splitter toy turns the end the RX forming circuit that SC optical fiber cable is respectively connected to 1,2 mouthful by LC, so that 1 mouthful of TX output-
0.8dB optical signal；
Step 2: 1 mouthful of end TX of optical module turns the IN mouth that FC optical fiber cable accesses level-one EDFA amplifier, the EDFA phase of this side by LC
Simulation curstomer's site environmental structure when the repeater used in broadcasting and TV, adjust level-one EDFA amplifier gain amplifier to
The OUT port of 23.5dB, level-one EDFA amplifier turn the input port that SC optical fiber cable accesses the one one point of 32 Light splitter toy by FC,
Delivery outlet exports 4.04dB signal, accesses 10KM optical fiber cable, this 10KM optical fiber cable coils emphasis simulation site environment and sets up long distance
From bracing wire, inside of optical fibre is glass fibre, and internal transmission is refractive Iy, and optical signal transmission will receive optical fiber line length, theoretical
Upper every kilometer about 0.14dB decaying, optical fiber cable bending degree, contact port etc. influence, after 10KM optical fiber cable output for-
0.71dB；
Step 3: the input port of the other one section of access second level EDFA amplifier of 10KM optical fiber cable is put by second level EDFA amplifier
Large gain turns SC optical fiber cable by FC and accesses to the 2nd 1 point of 32 Light splitter toy, it is defeated that signal is down to 3.19dB to 23.1dB
Out, 0.37dB signal is exported using 10KM optical fiber cable, accesses the first adjustable optical attenuator, then access the one one point of 16 light
Divide device, must assure that one point of 16 Light splitter toy output signal strength standard is -17dB at this time, therefore use variable optical attenuation
Purpose is that stabilization signal is adjusted in the case where optical signal fluctuation, turns FC optical fiber cable access to-be-detected machine finally by SC
The FC plug-flow interface of DUT realizes 16 to-be-detected machines while receiving 10,000,000,000 optical signals and playing.
Step 4: registration computer is turned to the GE mouth of emerging OLT C320 in Serial Port Line connection by network interface, if to-be-detected machine category
In GPON, then the port of GPON 1 is regard as delivery outlet, initial signal is about 3dB, then accesses the second adjustable optical attenuator, output
To the 2nd 1 point of 16 Light splitter toy, this adjustable optical attenuator purpose be equally guarantee signal stabilization that machine eventually receives-
27dB or so, then the SC registration interface that SC optical fiber cable accesses to-be-detected machine is turned by SC, it realizes 16 to-be-detected machines while receiving
10000000000 optical signals simultaneously succeed in registration.
The site environment specific aim that the present invention can simulate client builds matched test macro, then carry out GPON and
The test of EPON optical module solves optical module test problem and can reach the testing standard of curstomer's site.
Above content is only illustrations made for the present invention described in this specification.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement or is substituted in a similar manner to described specific embodiment, only
It should belong to guarantor of the invention without departing from the content or beyond the scope defined by this claim of description of the invention
Protect range.
Claims (8)
1. a kind of test macro for GPON, EPON optical module, it is characterised in that: include plug-flow computer, optical fiber switch, one
Grade EDFA amplifier, the one one point of 32 Light splitter toy, the first 10KM optical fiber cable, the first one-to-two Light splitter toy, second level EDFA are put
Big device, the 2nd 1 point of 32 Light splitter toy, the 2nd 10KM optical fiber cable, the first adjustable optical attenuator, the one one point of 16 Light splitter toy,
Devices to test DUT, the 2nd 1 point of 16 Light splitter toy, the second adjustable optical attenuator, OLT and registration computer, plug-flow computer connect light
The GE mouth of fine interchanger, the IN mouth of the TX1-LC mouth connection level-one EDFA amplifier of optical fiber switch, level-one EDFA amplifier
OUT port connects the input terminal of the one one point of 32 Light splitter toy, and the output end of the one one point of 32 Light splitter toy passes through first
10KM optical fiber cable connects the input terminal of the first one-to-two Light splitter toy, and the output end connection second level EDFA of the first one-to-two Light splitter toy is put
The IN mouth of big device, the input terminal of OUT port the 2nd 1 point of 32 Light splitter toy of connection of second level EDFA amplifier, the 2nd 1 point 30
The output end of two Light splitter toy connects the input terminal of the first adjustable optical attenuator, the first variable optical attenuation by the 2nd 10KM optical fiber cable
The output end of device connects the input terminal of the one one point of 16 Light splitter toy, and the output end connection of the one one point of 16 Light splitter toy is to be measured to be set
Standby DUT, the GE mouth of registration computer connection OLT, the input terminal of the GPON mouth of OLT and EPON mouthfuls of the second adjustable optical attenuators of connection,
The output end of second adjustable optical attenuator connects the input terminal of the 2nd 1 point of 16 Light splitter toy, the 2nd 1 point of 16 Light splitter toy it is defeated
Outlet connects Devices to test DUT.
2. a kind of test macro for GPON, EPON optical module described in accordance with the claim 1, it is characterised in that: the light
Fine interchanger uses 10,000,000,000 optical fiber switch of S5710.
3. a kind of test macro for GPON, EPON optical module according to claim 2, it is characterised in that: described to push away
Galvanic electricity brain turns the GE mouth that Serial Port Line connects 10,000,000,000 optical fiber switch of S5710 by network interface.
4. a kind of test macro for GPON, EPON optical module described in accordance with the claim 1, it is characterised in that: the OLT
Using including emerging OLT C320 in GPON module and EPON module.
5. a kind of test macro for GPON, EPON optical module according to claim 4, it is characterised in that: the note
Volume computer turns the GE mouth of emerging OLT C320 in Serial Port Line connection by network interface.
6. a kind of test macro for GPON, EPON optical module according to claim 2, it is characterised in that: described
The TX2-LC mouth of 10,000,000,000 optical fiber switch of S5710 connects the input terminal of the second one-to-two Light splitter toy, the second one-to-two Light splitter toy
Two output ends be separately connected 10,000,000,000 optical fiber switch of S5710 RX2-LC mouth and RX1-LC mouthfuls.
7. a kind of test method for GPON, EPON optical module, it is characterised in that comprise the steps of:
Step 1: plug-flow computer is turned into the GE mouth that Serial Port Line connects 10,000,000,000 optical fiber switch of S5710, plug-flow electricity by network interface first
Brain opens plug-flow tool and imports code stream and set corresponding ports broadcast code flow file, and optical module is inserted into 1,2 mouthful of S5710, then
Optical module mode is configured by computer, 2 mouthfuls of the end TX turns SC optical fiber cable by LC and accesses the second one-to-two Light splitter toy, then by one point
The delivery outlet of two Light splitter toy turns the end the RX forming circuit that SC optical fiber cable is respectively connected to 1,2 mouthful by LC, so that 1 mouthful of TX output-
0.8dB optical signal；
Step 2: 1 mouthful of end TX of optical module turns the IN mouth that FC optical fiber cable accesses level-one EDFA amplifier by LC, adjusts level-one EDFA
Amplifier gain amplifier to 23.5dB, the OUT port of level-one EDFA amplifier turns SC optical fiber cable by FC and accesses the one one point 30
The input port of two Light splitter toy, delivery outlet export 4.04dB signal, access 10KM optical fiber cable, after 10KM optical fiber cable output for-
0.71dB；
Step 3: the input port of the other one section of access second level EDFA amplifier of 10KM optical fiber cable is put by second level EDFA amplifier
Large gain turns SC optical fiber cable by FC and accesses to the 2nd 1 point of 32 Light splitter toy, it is defeated that signal is down to 3.19dB to 23.1dB
Out, 0.37dB signal is exported using 10KM optical fiber cable, accesses the first adjustable optical attenuator, then access the one one point of 16 light
Divide device, guarantee that one point of 16 Light splitter toy output signal strength standard is -17dB, it is to be measured to turn the access of FC optical fiber cable finally by SC
The FC plug-flow interface of machine DUT realizes 16 to-be-detected machines while receiving 10,000,000,000 optical signals and playing.
8. a kind of test method for GPON, EPON optical module according to claim 7, it is characterised in that: will register
Computer turns the GE mouth of emerging OLT C320 in Serial Port Line connection by network interface, if to-be-detected machine belongs to GPON, by the port 1 of GPON
As delivery outlet, initial signal is about 3dB, then accesses the second adjustable optical attenuator, output to the 2nd 1 point of 16 Light splitter toy, then
Turn the SC registration interface that SC optical fiber cable accesses to-be-detected machine by SC, realize 16 to-be-detected machines while receiving 10,000,000,000 optical signals simultaneously
It succeeds in registration.
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| CN201910628011.7A CN110247702B (en) | 2019-07-12 | 2019-07-12 | Test system and test method for GPON and EPON optical modules |
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| CN201910628011.7A CN110247702B (en) | 2019-07-12 | 2019-07-12 | Test system and test method for GPON and EPON optical modules |
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| CN110247702A true CN110247702A (en) | 2019-09-17 |
| CN110247702B CN110247702B (en) | 2022-07-15 |
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| CN112187352A (en) * | 2020-09-25 | 2021-01-05 | 锐捷网络股份有限公司 | Connecting equipment and test system |
| CN113219828A (en) * | 2021-04-22 | 2021-08-06 | 中国电子科技集团公司第二十九研究所 | Control method for gain consistency of multi-channel analog optical module |
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| Publication number | Publication date |
|---|---|
| CN110247702B (en) | 2022-07-15 |
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