CN221177720U - Portable MPO polarity loss integrated tester - Google Patents
Portable MPO polarity loss integrated tester Download PDFInfo
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- CN221177720U CN221177720U CN202322576829.3U CN202322576829U CN221177720U CN 221177720 U CN221177720 U CN 221177720U CN 202322576829 U CN202322576829 U CN 202322576829U CN 221177720 U CN221177720 U CN 221177720U
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- 238000012360 testing method Methods 0.000 claims description 28
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- 238000000034 method Methods 0.000 description 11
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Abstract
The application relates to a portable MPO polarity loss integrated tester, which belongs to the field of MPO testers, and comprises: the tester comprises a tester body, a tester body and a tester body, wherein the tester body is provided with an MPO light source port and an MPO optical power meter port; the central processing unit is arranged in the tester body; one end of the first laser driving circuit is connected with the central processing unit, and the other end of the first laser driving circuit is connected with the MPO light source port; one end of the optical power detection circuit is connected with the central processing unit, and the other end of the optical power detection circuit is connected with the MPO optical power meter port; the display module comprises a display screen and a display circuit, wherein the display screen is connected to the tester body, one end of the display circuit is connected to the display screen, and the other end of the display circuit is connected to the central processing unit. The application has the advantages of simplifying the step of detecting the MPO optical fiber jumper wire and being convenient for operators to detect the MPO optical fiber jumper wire.
Description
Technical Field
The application relates to the field of MPO testers, in particular to a portable MPO polarity loss integrated tester.
Background
With the rapid development of modern communication technology, the data transmission requirement of a data center is increased in geometric progression, so that the traditional optical fiber jumper cannot meet the connection requirement of the current equipment. How to perform more data processing and storage in a limited space has become an urgent issue to be addressed when data centers are newly built and expanded. Currently fiber optic connectors are being upgraded from MTRJ, E2000 to MPO.
The MPO optical fiber jumper has the characteristics of low insertion loss, good interchangeability and pluggable property, large fiber core quantity and the like, and is widely applied to optical fiber wiring scenes needing high-density integration. MPO optical fiber jumpers are generally matched with high-speed optical modules with the speed of more than 40G, and because the optical modules such as 40G QSFP+SR4, eSR4 and PSM4 and the optical modules such as 100G QSFP28 SR4 and PSM4 adopt a parallel transmission mode of 4 transmitting channels and 4 receiving channels, at least the optical fiber jumpers with 8 fiber cores can be used for connecting an optical link. The 40G QSFP+SR4 and the 40G QSFP+PSM4 are usually 12-core MPO interfaces, because the specifications of channels are consistent in the production process of the QSFP+optical module, four groups of transceiving channels are formed by channel 1 to channel 12, channel 2 to channel 11, channel 3 to channel 10 and channel 4 to channel 9, the middle four channels are not used, 10G transmission is carried out on each group of transceiving channels, and the transmission of 40G can be just completed. The 12-core MPO fiber jumper can be used for a 100G CFP4 SR4 optical module besides a 40G/100G optical module, and the 24-core MPO fiber jumper is generally used for a 100G CFP2 SR10 optical module and a 100G CFP SR10 optical module. In summary, in the actual construction process of the data center, most of MPO optical fiber jumpers used are 8 cores, 12 cores and 24 cores.
In addition, in the construction and maintenance process of the data center, the information such as the connection condition, the loss and the like of the MPO optical fiber jumper needs to be checked and known, and the traditional light source and the optical power meter need to be connected with the MPO-FANOUT jumper one by one for testing because the MPO optical fiber jumper is a multi-core jumper. In order to meet the early production application, MPO test equipment is also available at present, but the detection equipment needs two products of a light source and optical power to be matched for use, and in addition, the matched operation and use are complex.
For the related technology, when the MPO loss test is carried out by matching two products of a light source and optical power, one end of an MPO optical fiber jumper wire needs to be connected in the light source equipment when the test is carried out, the other end of the MPO optical fiber jumper wire is connected in the optical power meter, and loss data is obtained by comparing the power of laser emitted by the light source equipment with data measured by the optical power meter. The whole measurement process needs to operate the two devices respectively, so that the detection steps are complicated, and the detection of the MPO optical fiber jumper by an operator is inconvenient.
Disclosure of utility model
In order to simplify the step of detecting the MPO optical fiber jumper, and facilitate an operator to detect the MPO optical fiber jumper, the application provides the portable MPO polarity loss integrated tester.
The portable MPO polarity loss integrated tester provided by the application adopts the following technical scheme:
portable MPO polarity loss integration tester includes:
The tester comprises a tester body, a tester body and a tester body, wherein the tester body is provided with an MPO light source port and an MPO optical power meter port;
the central processing unit is arranged in the tester body;
One end of the first laser driving circuit is connected with the central processing unit, and the other end of the first laser driving circuit is connected with the MPO light source port, and the first laser driving circuit can emit laser to the MPO optical fiber jumper wire through the MPO light source port after receiving an emission signal sent by the central processing unit;
The optical power detection circuit is connected with the central processing unit at one end and connected with the MPO optical power meter port at the other end, and can detect the power of laser at the MPO optical power meter port and transmit detection data into the central processing unit;
the display module comprises a display screen and a display circuit, wherein the display screen is connected to the tester body, one end of the display circuit is connected to the display screen, the other end of the display circuit is connected to the central processing unit, and the display circuit can transmit detection data output by the central processing unit into the display screen.
Through adopting above-mentioned technical scheme, when the tester uses above-mentioned tester to detect MPO fiber jumper, at first connect the both ends of MPO fiber jumper respectively in MPO light source mouth and MPO optical power meter mouth.
The central processing unit sends a transmitting signal to the laser driving circuit, so that the first laser driving circuit transmits laser to the MPO optical fiber jumper wire through the MPO light source port; the laser is transmitted in the MPO optical fiber jumper, the optical power detection circuit carries out power detection on the laser at the MPO optical power meter port, and detected power data are transmitted into the central processing unit; the power data flowing into the central processing unit is transmitted into the display screen through the display circuit. And an operator reads the data in the display screen, obtains the laser power transmitted by the MPO optical fiber jumper, compares the laser power with the laser power emitted by the first laser driving circuit, and further obtains the polarity and loss data of the MPO optical fiber jumper.
The optical power meter and the stable light source are integrated in the same tester, so that the detection steps and the detection instrument are simplified, and operators can conveniently detect the loss and the polarity of the MPO optical fiber jumper.
Optionally, the first laser driving circuit, the MPO light source port and the MPO light power meter port are all multipath;
A modulation control circuit is connected between the first laser driving circuit and the MPO light source port, and the modulation control circuit sequentially increases the modulation frequencies of two adjacent paths of the MPO light source port by 50HZ;
A demodulation circuit is arranged between the MPO optical power meter port and the optical power detection circuit, and the demodulation circuit can effectively distinguish all modulation signals.
By adopting the technical scheme, the first laser of the laser driving circuit can be emitted simultaneously, and then each path of optical fiber is detected simultaneously, so that one side of the optical power detection circuit can respond immediately within 20ms, the laser emission time can be controlled at 40ms for improving the reliability of data, namely, the time required for completing all channels is only 40ms, and the test time is greatly improved.
And each path of laser signal frequency at the MPO light source port is different, and a signal output channel can be determined by demodulating the signal, so that effective distinction of each path of optical fibers is realized.
Optionally, the first laser driving circuit, the MPO light source port and the MPO light power meter port are 24 paths.
By adopting the technical scheme, because in the actual construction process of the data center, the MPO optical fiber jumper wires used are mostly 8 cores, 12 cores and 24 cores, the instrument maximally supports 24-core MPO test, and the laser light emitting modules and the detection receiving modules with different core numbers are controlled in the instrument circuit control to realize the test of MPOs with different specification core numbers by converting the 24 cores of the MPOs matched with the instrument into 12 cores, converting the 24 cores into 8 cores and other different standard MPO test lines, so that the scheme of one machine for detecting the MPOs with various specifications is realized.
Optionally, the modulation frequency of the first path is 270HZ.
By adopting the technical scheme, the first channel modulation frequency is 270Hz, the second channel modulation frequency is 320Hz, the third channel modulation frequency is 370Hz, and the like, the adjacent channel modulation frequency is increased by 50Hz, the demodulation circuit at the side of the optical detector can effectively distinguish the adjacent modulation frequency, and the 24 th channel modulation frequency is 1420Hz, which is the signal frequency convenient to realize.
Optionally, the method comprises the following steps:
The key module comprises a key and a key circuit, wherein the key is arranged on the tester body, one end of the key circuit is connected with the central processing unit, and the other end of the key circuit is connected with the key.
By adopting the technical scheme, an operator can conveniently control the switch, the detection channel and the detection mode of the tester through keys.
Optionally, the method comprises the following steps:
the power supply control module is arranged in the tester body, one end of the power supply control module is connected with the power supply, and the other end of the power supply control module is connected with the central processing unit.
By adopting the technical scheme, after the power control module receives the signal of the central processing unit, the power control module controls the power to be turned on or turned off, so that the turn-on and turn-off of the tester can be realized conveniently.
Optionally, the method comprises the following steps:
The VFL optical fiber fault positioning port is arranged on the tester body, and the end part of the MPO optical fiber jumper wire is connected with the VFL optical fiber fault positioning port during testing;
And one end of the visible light drive circuit is connected with the central processing unit, the other end of the visible light drive circuit is connected with the VFL optical fiber fault locating port, and the visible light drive circuit transmits visible light to the MPO optical fiber jumper wire through the VFL optical fiber fault locating port after receiving the transmitting signal sent by the central processing unit.
By adopting the technical scheme, when the single optical fiber fault point in the MPO is required to be visually detected, the MPO optical fiber jumper is connected to the VFL optical fiber fault locating port, and after the central processing unit sends a transmitting signal to the visible light driving circuit, the visible light driving circuit transmits visible light to the MPO optical fiber jumper through the VFL optical fiber fault locating port, so that the single optical fiber fault point of the link is visually detected.
Optionally, the method comprises the following steps:
the common power meter interface is arranged on the tester body and is matched with the photoelectric component interface;
and one end of the laser driving circuit II is connected with the central processing unit, and the other end of the laser driving circuit II is connected with the common power meter interface.
By adopting the technical scheme, the common power meter is integrated in the tester body, the function of the tester is enhanced, and the power test or insertion loss test of optical signals of various devices and photoelectric components is conveniently realized.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present application.
FIG. 2 is a schematic diagram of the overall structure of a 24-core to 12-core standard test fiber according to an embodiment of the present application.
Reference numerals illustrate: 1. a central processing unit; 2. a first laser driving circuit; 21. a modulation control circuit; 22. MPO light source port; 3. an optical power detection circuit; 31. a demodulation circuit; 32. MPO optical power meter port; 4. a visible light driving circuit; 41. a VFL optical fiber fault locating port; 5. a second laser driving circuit; 51. a common power meter interface; 6. a key module; 7. a communication module; 8. a display module; 9. and a power supply control module.
Detailed Description
The application is described in further detail below with reference to fig. 1-2.
The embodiment of the application discloses a portable MPO polarity loss integrated tester. Referring to fig. 1, the portable MPO polarity loss integrated tester includes a tester body in which a central processing unit 1 is provided.
Referring to fig. 1, a first laser driving circuit 2 is connected to a central processing unit 1, one end of the first laser driving circuit 2 is connected to the central processing unit 1, the other end is connected to a modulation control circuit 21, an MPO light source port 22 is connected to an end of the modulation control circuit 21, and the MPO light source port 22 is disposed on the tester body.
Referring to fig. 1, an optical power detection circuit 3 is connected to a central processing unit 1, one end of the optical power detection circuit 3 is connected to the central processing unit 1, the other end is connected to a demodulation circuit 31, an MPO optical power meter port 32 is connected to an end of the demodulation circuit 31, and the MPO optical power meter port 32 is provided in a tester body.
The first laser driving circuit 2, the MPO light source port 22 and the MPO light power meter port 32 are all multiple paths, and the present embodiment is described by taking 24 paths as an example, but is not limited to 24 paths. In the actual construction process of the data center, most of used MPO optical fiber jumpers are 8 cores, 12 cores and 24 cores, the instrument maximally supports 24-core MPO test, different standard MPO test lines such as 24-core to 12-core MPO matched with the instrument, 24-core to 8-core MPO test lines are changed, and laser light emitting modules and detection receiving modules with different core numbers are controlled in the circuit control of the instrument to realize the test of MPOs with different specifications and realize the scheme of one machine to test MPOs with various specifications.
Referring to fig. 2, a schematic overall structure of a 24-core-to-12-core standard test fiber is shown, wherein the key presses are 12 cores, 1-12 paths of the key are shared, and when the key presses, 13-24 paths are dummy fibers.
When a tester detects the MPO optical fiber jumper by using the tester, two ends of the MPO optical fiber jumper are first connected to the MPO light source port 22 and the MPO light power meter port 32 respectively. The central processing unit sends a transmitting signal to the first laser driving circuit 2, so that the first laser driving circuit 2 transmits multiple paths of laser, the modulation frequencies of two adjacent paths at the MPO light source port 22 are sequentially increased by 50Hz after passing through the modulation control circuit 21, namely, the first channel modulation frequency is 270Hz, the second channel modulation frequency is 320Hz, the third channel modulation frequency is 370Hz, and the like, and the 24 th channel modulation frequency is 1420Hz, so that the signal frequency is convenient to realize. The multi-path laser is transmitted in the MPO optical fiber jumper wire, the optical power detection circuit 3 carries out power detection on the laser at the MPO optical power meter port 32, and the detected power data is transmitted into the central processing unit 1; the demodulation circuit 31 can determine the signal output channel by demodulating the signal, thereby realizing effective distinction of each path of optical fiber. The lasers in the multiple paths of optical fibers in the process are transmitted simultaneously, and each path of optical fibers is detected simultaneously, so that one side of the optical power detection circuit 3 can respond immediately within 20ms, the laser emission time can be controlled to be 40ms for improving the reliability of data, namely, the time required for completing all channels is only 40ms, and the test time is greatly improved.
Referring to fig. 1, a visible light drive circuit 4 is connected to the central processing unit 1, one end of the visible light drive circuit is connected to the central processing unit 1, the other end of the visible light drive circuit is connected to a VFL optical fiber fault locating port 41, the VFL optical fiber fault locating port 41 is disposed on the tester body, and during testing, the end of the MPO optical fiber jumper is connected to the VFL optical fiber fault locating port 41.
When the visual detection of the single fiber fault point in the MPO is required, the MPO fiber jumper is connected to the VFL fiber fault locating port 41, and after the central processing unit 1 sends a transmitting signal to the visible light driving circuit 4, the visible light driving circuit 4 transmits visible light to the MPO fiber jumper through the VFL fiber fault locating port 41, so that the visual detection is carried out on the single fiber fault point of the link.
Referring to fig. 1, a second laser driving circuit 5 is connected to the central processing unit 1, one end of the second laser driving circuit is connected to the central processing unit 1, the other end of the second laser driving circuit is connected to a common power meter interface 51, the second laser driving circuit is arranged on the tester body, and the common power meter interface 51 is adapted to the interface of the photoelectric component. The common power meter is integrated in the tester body, so that the function of the tester is enhanced, and the power test or insertion loss test of optical signals of various devices and photoelectric components is conveniently realized.
Referring to fig. 1, a key module 6 is connected to the central processing unit 1, and includes a key and a key circuit, wherein the key is disposed on the tester body, and one end of the key circuit is connected to the central processing unit 1, and the other end is connected to the key. The operator can send a signal to the central processing unit 1 by pressing the corresponding key, so as to control the selection of the switch, the detection channel and the detection mode of the tester.
Referring to fig. 1, a communication module 7 is connected to the central processing unit 1, and any two meters can be remotely combined for polarity test without pairing through the communication module 7.
Referring to fig. 1, a display module 8 is connected to the central processing unit 1, and includes a display screen and a display circuit, wherein the display screen is connected to the tester body, one end of the display circuit is connected to the display screen, the other end is connected to the central processing unit, and the display circuit can transmit detection data output by the central processing unit 1 to the display screen.
The power data flowing into the central processing unit 1 is transmitted into the display screen through the display circuit. And an operator reads the data in the display screen, obtains the laser power transmitted by the MPO optical fiber jumper, compares the laser power with the laser power emitted by the first laser driving circuit 2, and further obtains the polarity and loss data of the MPO optical fiber jumper.
Referring to fig. 1, a power control module 9 is connected to the central processing unit 1 and is disposed in the tester body, one end of the power control module 9 is connected to a power supply, the other end is connected to the central processing unit 1, and the power control module 9 controls the power supply to be turned on or off after receiving a signal from the central processing unit 1, so that the tester is conveniently turned on or off.
The implementation principle of the portable MPO polarity loss integrated tester provided by the embodiment of the application is as follows:
When a tester detects the MPO optical fiber jumper by using the tester, two ends of the MPO optical fiber jumper are first connected to the MPO light source port 22 and the MPO light power meter port 32 respectively. The central processing unit sends a transmitting signal to the first laser driving circuit 2, so that the first laser driving circuit 2 transmits multiple paths of laser, the modulation frequencies of two adjacent paths at the MPO light source port 22 are sequentially increased by 50Hz after passing through the modulation control circuit 21, namely, the first channel modulation frequency is 270Hz, the second channel modulation frequency is 320Hz, the third channel modulation frequency is 370Hz, and the like, and the 24 th channel modulation frequency is 1420Hz, so that the signal frequency is convenient to realize. The multi-path laser is transmitted in the MPO optical fiber jumper wire, the optical power detection circuit 3 carries out power detection on the laser at the MPO optical power meter port 32, and the detected power data is transmitted into the central processing unit 1; the demodulation circuit 31 can determine the signal output channel by demodulating the signal, thereby realizing effective distinction of each path of optical fiber. The lasers in the multiple paths of optical fibers in the process are transmitted simultaneously, and each path of optical fibers is detected simultaneously, so that one side of the optical power detection circuit 3 can respond immediately within 20ms, the laser emission time can be controlled to be 40ms for improving the reliability of data, namely, the time required for completing all channels is only 40ms, and the test time is greatly improved. The power data flowing into the central processing unit 1 is transmitted into the display screen through the display circuit. And an operator reads the data in the display screen, obtains the laser power transmitted by the MPO optical fiber jumper, compares the laser power with the laser power emitted by the first laser driving circuit 2, and further obtains the polarity and loss data of the MPO optical fiber jumper.
When the visual detection of the single fiber fault point in the MPO is required, the MPO fiber jumper is connected to the VFL fiber fault locating port 41, and after the central processing unit 1 sends a transmitting signal to the visible light driving circuit 4, the visible light driving circuit 4 transmits visible light to the MPO fiber jumper through the VFL fiber fault locating port 41, so that the visual detection is carried out on the single fiber fault point of the link. In addition, the common power meter is integrated in the tester body, so that the function of the tester is enhanced, and the power test or insertion loss test of optical signals of various devices and photoelectric components is conveniently realized.
The optical power meter and the stable light source are integrated in the same tester, so that the detection steps and the detection instrument are simplified, and operators can conveniently detect the loss and the polarity of the MPO optical fiber jumper. Based on the function, the visual detection and the common power meter are integrated in the tester body, so that the function of the tester is enhanced.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (8)
1. Portable MPO polarity loss integration tester, its characterized in that:
Comprising the following steps:
The tester comprises a tester body, a tester body and a tester body, wherein the tester body is provided with an MPO light source port (22) and an MPO optical power meter port (32), and during testing, two ends of an MPO optical fiber jumper wire are respectively connected with the MPO light source port (22) and the MPO optical power meter port (32);
The central processing unit (1) is arranged inside the tester body;
One end of the first laser driving circuit (2) is connected with the central processing unit (1), and the other end of the first laser driving circuit is connected with the MPO light source port (22), and the first laser driving circuit (2) can emit laser to the MPO optical fiber jumper wire through the MPO light source port (22) after receiving an emission signal sent by the central processing unit (1);
The optical power detection circuit (3) is connected with the central processing unit (1) at one end and connected with the MPO optical power meter port (32) at the other end, and the optical power detection circuit (3) can detect the power of laser at the MPO optical power meter port (32) and transmit detection data into the central processing unit (1);
the display module (8) comprises a display screen and a display circuit, wherein the display screen is connected to the tester body, one end of the display circuit is connected to the display screen, the other end of the display circuit is connected to the central processing unit (1), and the display circuit can transmit detection data output by the central processing unit (1) into the display screen.
2. The portable MPO polarity loss integrated tester of claim 1, wherein:
The first laser driving circuit (2), the MPO light source port (22) and the MPO light power meter port (32) are all multipath;
A modulation control circuit (21) is connected between the first laser driving circuit (2) and the MPO light source port (22), and the modulation control circuit (21) enables the adjacent two paths of modulation frequencies of the MPO light source port (22) to be sequentially increased by 50HZ;
A demodulation circuit (31) is arranged between the MPO optical power meter port (32) and the optical power detection circuit (3), and the demodulation circuit (31) can effectively distinguish all modulation signals.
3. The portable MPO polarity loss integrated tester of claim 2, wherein:
the first laser driving circuit (2), the MPO light source port (22) and the MPO light power meter port (32) are all 24 paths.
4. The portable MPO polarity loss integrated tester of claim 3, wherein:
the modulation frequency of the first path of the MPO light source port (22) is 270HZ.
5. The portable MPO polarity loss integrated tester of claim 1, wherein:
Comprising the following steps:
The key module (6) comprises keys and a key circuit, wherein the keys are arranged on the tester body, one end of the key circuit is connected with the central processing unit (1), and the other end of the key circuit is connected with the keys.
6. The portable MPO polarity loss integrated tester of claim 1, wherein:
Comprising the following steps:
The power supply control module (9) is arranged in the tester body, one end of the power supply control module (9) is connected with a power supply, and the other end of the power supply control module is connected with the central processing unit (1).
7. The portable MPO polarity loss integrated tester of claim 1, wherein:
Comprising the following steps:
The VFL optical fiber fault positioning port (41) is arranged on the tester body, and when in testing, the end part of the MPO optical fiber jumper wire is connected with the VFL optical fiber fault positioning port (41);
And one end of the visible light drive circuit (4) is connected with the central processing unit (1), the other end of the visible light drive circuit (4) is connected with the VFL optical fiber fault locating port (41), and after the visible light drive circuit (4) receives a transmitting signal sent by the central processing unit (1), visible light is transmitted to the MPO optical fiber jumper wire through the VFL optical fiber fault locating port (41).
8. The portable MPO polarity loss integrated tester of claim 1, wherein:
Comprising the following steps:
the common power meter interface (51) is arranged on the tester body, and the common power meter interface (51) is matched with the photoelectric element interface;
And one end of the second laser driving circuit (5) is connected with the central processing unit (1), and the other end of the second laser driving circuit is connected with the common power meter interface (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322576829.3U CN221177720U (en) | 2023-09-21 | 2023-09-21 | Portable MPO polarity loss integrated tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322576829.3U CN221177720U (en) | 2023-09-21 | 2023-09-21 | Portable MPO polarity loss integrated tester |
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| CN221177720U true CN221177720U (en) | 2024-06-18 |
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| CN202322576829.3U Active CN221177720U (en) | 2023-09-21 | 2023-09-21 | Portable MPO polarity loss integrated tester |
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| CN (1) | CN221177720U (en) |
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- 2023-09-21 CN CN202322576829.3U patent/CN221177720U/en active Active
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