CN203340080U - Fiber local side equipment fault testing box for teaching - Google Patents
Fiber local side equipment fault testing box for teaching Download PDFInfo
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- CN203340080U CN203340080U CN201320332976XU CN201320332976U CN203340080U CN 203340080 U CN203340080 U CN 203340080U CN 201320332976X U CN201320332976X U CN 201320332976XU CN 201320332976 U CN201320332976 U CN 201320332976U CN 203340080 U CN203340080 U CN 203340080U
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Abstract
The utility model discloses a fiber local side equipment fault testing box for teaching. The device is formed by a box body, and four sets of fiber links used for simulating faults and testing. The four sets of fiber links are respectively a trunk fiber link set, a four-split fiber link set, an eight-split fiber link set and a sixteen-split fiber link set. The device provides a testing environment of local side optical communication equipment for students through physics simulation, thereby enabling the students to understand and handle optical port work normal optical power scope (under 1:16, 1:8, 1:4, 1;1 conditions) of FTTx equipment, and optical port work normal optical power scope of SDH equipment. Adjustable light failure is added to simulate a testing environment with faults caused by the optical port power not being in a normal scope value. The device is employed for teaching demonstration and training, so the students can better understand generation cause and solving method of the fault of the fiber segment.
Description
technical field:
The utility model relates to a kind of instructional testing Practical training equipment, particularly a kind of optical fiber local side apparatus fault test for teaching.
background technology:
As everyone knows, the test of optical fiber local side apparatus is the emphasis can not be ignored in the optical fiber communication teaching always.For allowing the student understand better various local side apparatus light mouth reference optical power working properly, association is used related tool to carry out the test of local side apparatus most common failure, in the reality teaching, generally all by simulation and training, demonstrate and test to deepen the student to the understanding of Trouble cause with to solving the grasp of fault method.Yet, under normal conditions, can only provide the test optical fiber environment of a kind of specification (as trunk optical fiber, one minute four optical fiber, one minute eight optical fiber or one minute ten six fibers) in the teaching demonstration process, can't accomplish to demonstrate the local side fiber failure of plurality of specifications simultaneously.So, for allow the student fully understand and grasp optical communication local side apparatus light mouth feature, can carry out local side fault light mouth test and fault is got rid of, the various faults link need to be placed in same test environment, realize the multiple faults sync instruction.
the utility model content:
In view of above-mentioned technical problem, the utility model provides a kind of optical fiber local side apparatus fault test case for teaching.This device is by physical analogy, for the student provides the test environment of local side optical communication equipment, then allow the student understand and grasp the light mouth reference optical power working properly (in 1:16,1:8,1:4,1:1 situation) of FTTx equipment, SDH equipment and, by adding adjustable light decay, simulated light mouth power is the bad border of fault test in normal range value not.Use this device to carry out teaching demonstration and real training, can also make the student can understand better generation reason and the solution of this section fiber failure.
Concrete technical scheme of the present utility model is as follows:
Optical fiber local side apparatus fault test case for teaching, comprise casing and be placed in casing four groups and be used for the optical fiber link of simulated failure and test, it is characterized in that, described optical fiber link is respectively trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link groups; The simulated failure optical fiber link that described trunk optical fiber link group is declined by a standard trunk optical fiber link and a serial connection tunable optical forms; Described Yi Fen tetra-road optical fiber link groups are by being connected in series Yi Fen tetra-road fiber splitters by a road optical fiber, draw the optical fiber output link of two-way one minute four, wherein a road is one minute four optical fiber link of standard, and another road is one minute four simulated failure optical fiber link of the adjustable light decay of serial connection; Described Yi Fen eight road optical fiber link groups are by being connected in series Yi Fen eight road fiber splitters by a road optical fiber, draw the optical fiber output link of two-way one minute eight, wherein a road is one minute eight optical fiber link of standard, and another road is one minute eight simulated failure optical fiber link of the adjustable light decay of serial connection; Described Fen Shi six road optical fiber link groups are by being connected in series a road optical fiber one Fen Shi six road fiber splitters, draw the two-way optical fiber output link of a minute 16, wherein a road is one minute ten six fibers link of standard, and another road is one minute 16 simulated failure optical fiber link of the adjustable light decay of serial connection.
In such scheme, the mouth that inputs or outputs of described trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link groups adopts LC-LC flange-interface or LC-SC flange-interface or LC-/FC flange-interface or SC-SC flange-interface or SC-FC flange-interface or a FC-FC flange-interface, by jumping fiber, connects optical communication equipment.
In such scheme, described trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link Zu eight tunnel outputs are used for being connected light power meter or optical time domain reflectometer (OTDR).
It should be noted that four groups of link group in test box are all drawn two links via corresponding specification optical splitter (1:4,1:8,1:16): be respectively the standard fiber link, and the analog optical fiber faulty link of the adjustable light decay of serial connection.By two links are contrasted, realize bad border of the light mouth power test simulation to the optical fiber local side apparatus.
Optical fiber local side apparatus fault test case described in the utility model, in a casing, integrated trunk optical fiber link, one minute many optical fiber link.Wherein a road provides normal test environment for local side apparatus; Another road simulated failure circuit, and these optical fiber links are integrated in a device, make the teacher can demonstrate more easily fiber failure and the test process of many specifications in teaching simultaneously, facilitate the student to understand better the failure condition of each specification circuit in the optical fiber engineering.Thereby solved in the past and generally can only simulate a kind of limitation of size optical fiber test environment in the teaching demonstration process.In addition, this device can reuse, and has saved resource and the cost of practice teaching.
the accompanying drawing explanation:
Further illustrate the utility model below in conjunction with the drawings and specific embodiments.
The structured flowchart that Fig. 1 is the optical fiber local side apparatus fault test case for teaching described in the utility model.
The panel schematic diagram that Fig. 2 is the optical fiber local side apparatus fault test case for teaching described in the utility model.
embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, the optical fiber local side apparatus fault test case for teaching described in the utility model, its structure comprises casing 100, and is placed in casing 100 four groups and is used for the optical fiber link of malfunction demo and test.
Wherein, four groups of optical fiber links that are used for malfunction demo and test are respectively trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link groups.The mouth that inputs or outputs of these four groups of optical fiber links adopts LC-LC flange-interface or LC-SC flange-interface or LC-/FC flange-interface or SC-SC flange-interface or SC-FC flange-interface or a FC-FC flange-interface, by jumping fiber, connects optical communication equipment.Eight tunnel outputs of these four groups of optical fiber links are used for connecting light power meter or optical time domain reflectometer (OTDR).
Trunk optical fiber link group simulation be the optical fiber link that connects FTTx system or SDH optical transmission, by decline 112 simulated failure optical fiber link 111 of a standard trunk optical fiber link 110 and a serial connection tunable optical, formed.
Yi Fen tetra-road optical fiber link groups, by by 1:4 optical splitter 120, are drawn the optical fiber output link of two-way one minute four, and wherein a road is one minute four optical fiber link 121 of standard, and another road is one minute four simulated failure optical fiber link 122 of the adjustable light decay 123 of serial connection.
Yi Fen eight road optical fiber link groups, by by 1:8 optical splitter 130, are drawn the optical fiber output link of two-way one minute eight, and wherein a road is one minute eight optical fiber link 131 of standard, and another road is one minute eight simulated failure optical fiber link 132 of the adjustable light decay 133 of serial connection.
One Fen Shi six road optical fiber link groups, by by 1:16 optical splitter 140, are drawn the two-way optical fiber output link of a minute 16, and wherein a road is one minute ten six fibers link 141 of standard, and another road is one minute 16 simulated failure optical fiber link 142 of the adjustable light decay 143 of serial connection.
As shown in Figure 2, in actual fabrication process, in order to reach better teaching efficiency, the input port in this device and delivery outlet can be integrated on a panel, like this so that conveniently connect light source and luminous power equipment in the real training presentation process.Facilitate real training to use.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
- For the teaching optical fiber local side apparatus fault test case, comprise casing, be placed in casing four groups and be used for the optical fiber link of simulated failure and test, it is characterized in that, described optical fiber link is respectively trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link groups; The simulated failure optical fiber link that described trunk optical fiber link group is declined by a standard trunk optical fiber link and a serial connection tunable optical forms; Described Yi Fen tetra-road optical fiber link groups are by being connected in series Yi Fen tetra-road fiber splitters by a road optical fiber, draw the optical fiber output link of two-way one minute four, wherein a road is one minute four optical fiber link of standard, and another road is one minute four simulated failure optical fiber link of the adjustable light decay of serial connection; Described Yi Fen eight road optical fiber link groups are by being connected in series Yi Fen eight road fiber splitters by a road optical fiber, draw the optical fiber output link of two-way one minute eight, wherein a road is one minute eight optical fiber link of standard, and another road is one minute eight simulated failure optical fiber link of the adjustable light decay of serial connection; Described Fen Shi six road optical fiber link groups are by being connected in series a road optical fiber one Fen Shi six road fiber splitters, draw the two-way optical fiber output link of a minute 16, wherein a road is one minute ten six fibers link of standard, and another road is one minute 16 simulated failure optical fiber link of the adjustable light decay of serial connection.
- According to claim 1 for the teaching optical fiber local side apparatus fault test case, it is characterized in that, the mouth that inputs or outputs of described trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link groups adopts LC-LC flange-interface or LC-SC flange-interface or LC-/FC flange-interface or SC-SC flange-interface or SC-FC flange-interface or a FC-FC flange-interface, by jumping fiber, connects optical communication equipment.
- According to claim 1 for the teaching optical fiber local side apparatus fault test case, it is characterized in that, described trunk optical fiber link group, Yi Fen tetra-road optical fiber link groups, Yi Fen eight road optical fiber link groups and Fen Shi six road optical fiber link Zu eight tunnel outputs are used for being connected light power meter or optical time domain reflectometer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320332976XU CN203340080U (en) | 2013-06-09 | 2013-06-09 | Fiber local side equipment fault testing box for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320332976XU CN203340080U (en) | 2013-06-09 | 2013-06-09 | Fiber local side equipment fault testing box for teaching |
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| Publication Number | Publication Date |
|---|---|
| CN203340080U true CN203340080U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320332976XU Expired - Fee Related CN203340080U (en) | 2013-06-09 | 2013-06-09 | Fiber local side equipment fault testing box for teaching |
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| CN (1) | CN203340080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777096A (en) * | 2018-04-24 | 2018-11-09 | 山东职业学院 | SDH looped network Transmission Fibers link construction maintenance instructional devices and application method |
-
2013
- 2013-06-09 CN CN201320332976XU patent/CN203340080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777096A (en) * | 2018-04-24 | 2018-11-09 | 山东职业学院 | SDH looped network Transmission Fibers link construction maintenance instructional devices and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160609 |