CN201398198Y - XFP interface loopback test module - Google Patents
XFP interface loopback test module Download PDFInfo
- Publication number
- CN201398198Y CN201398198Y CN2009203021432U CN200920302143U CN201398198Y CN 201398198 Y CN201398198 Y CN 201398198Y CN 2009203021432 U CN2009203021432 U CN 2009203021432U CN 200920302143 U CN200920302143 U CN 200920302143U CN 201398198 Y CN201398198 Y CN 201398198Y
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- circuit board
- slide block
- pcb circuit
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Abstract
The utility model discloses an XFP interface loopback test module which comprises a shell and a PCB circuit board encapsulated in the shell, wherein the PCB circuit board comprises an MCU micro-control unit that is connected with the control Host of equipment to be tested by an I<2>C bus and is connected with a high-temperature protective module, a status indicating lamp and the like, and the PCBcircuit board further comprises an optional CDR clock data recovery module, a power consumption control module and an external interface module of Tx and Rx ends. The external interface module of theTx and Rx ends is an XFP standard encapsulating interface and can be inserted and drew out immediately, requiring no external cable. The utility model has the advantages of good universality, convenient use, adaptability to various measuring environments and accurate fault point judgment.
Description
Technical field
The utility model relates to the communication network device field tests, especially a kind of high speed communication equipment XFP port loopback test module.
Background technology
At present in the loopback Performance Detection of high-speed communicating network equipment such as 10G router and switch, must adopt a pair of 10,000,000,000 optical modules and cable to build special test macro, not only taken valuable test resource, and the length that expends time in, and during the equipment loopback performance test under doing high and low temperature environment, huge test macro also can bring inconvenience, increases such as palpus in the incubator to be difficult to the failure judgement point when appearance is unusual in special-purpose test cable inlet, the test.
Now some high-speed network appliance inside carries the loopback detection module, has increased equipment cost like this, and its loopback detection module can not be applied in the detection of miscellaneous equipment again and go, and durability is too poor.There are not a kind of have versatility, easy to use, the XFP port loopback test module that adapts to various testing environments, fault point accuracy of judgement.
The utility model content
The purpose of this utility model provides a kind of have versatility, easy to use, the XFP port loopback test module that adapts to various testing environments, fault point accuracy of judgement.
XFP loopback test module of the present utility model is achieved by following technical proposals.
XFP port loopback test module comprises shell, is packaged in the PCB circuit board in the shell, and this PCB circuit board comprises MCU micro-control unit (1), and this Tx and Rx end external interface are XFP standard packaging interface, and MCU micro-control unit (1) passes through I
2The C bus is connected with Devices to test control Host.Wherein Tx and Rx end external interface is XFP standard packaging interface, plug and pull in use.Described shell is the all-metal cast casing, and the device of highly energy-consuming all is placed on the lower floor of PCB circuit board, is close to metal shell.Also can comprise CDR clock and data recovery module, this clock and data recovery module is connected with the MCU micro-control unit and controlled by it, and simultaneously, this clock and data recovery module connects Tx and Rx end.Also can comprise the high temperature protection module, this high temperature protection module comprises temperature sensors of high precision, status indicator lamp, the power control switch that is connected with the MCU micro-control unit respectively.Also can comprise power consumption control module, this module comprises power supply input and load resistance.
During test, module of the present utility model is inserted in the tested port device, the Tx that can plug on the interface is connected with the high speed signal interface of port device automatically with the Rx end, and the control Host of port device passes through I
2The C bus is finished communicating by letter of automatic loopback agreement with the control unit (MCU) of module.
When control Host told that module is carried out loopback test, the Tx of MCU control module set up virtual logic with the Rx end and is connected, and realized that promptly Tx sends packet to the Rx direction.Simultaneously, in test process, MCU is by constantly gathering the information from temperature sensor, judge whether to surpass the temperature range that to bear, when overruning, MCU state of a control indicator light sends alarm, and by the control switch automatic closing module of cutting off the electricity supply, to protect tested port device and module; When temperature was in normal range (NR), MCU state of a control indicator light showed and is in normal operating conditions.Can connect different supply power voltages by control switch, load resistance is controllable, thereby can realize different level of power consumption on request.
Described shell comprises base; screw; drag hook; locating piece; slide block; spring; the protection plug; pressing plate; wherein base is the important component that supports integral structure component; be used to assemble the PCB circuit board; drag hook; slide block and pressing plate; groove on the PCB circuit board edge is set in four posts of base intracavity; screw is fastened on the PCB circuit board on the post of base by the aperture of pcb board; prevent that the PCB circuit board from having the trace string moving; drag hook is bumped in the groove of base; promote the slide block release by the rotation drag hook; pillar on the slide block is to connect spring; one end withstands drag hook, and the other end is bumped in the groove of base, is used for the dead bolt release; spring one end is enclosed within on two pillars of slide block; the other end combines with the retaining platform of base, is used for slide block is resetted, and the drag hook of slide block promotion simultaneously resets.Slide block is put into the concave surface of base, and pressing plate is bumped into the groove of two sides of base from tail end, and the front end that is pressed into base in rotation fastens, and is used for PCB circuit board, drag hook, the slide block of base inside are fastened and push down.
XFP loopback test module of the present utility model compared with prior art has following good effect.
This XFP loopback test module is plug and pull in use, need not external cable, have versatility, easy to use, adapt to various testing environments, fault point accuracy of judgement.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is an XFP loopback test modular structure block diagram.
Fig. 2 does not have to add CDR working method schematic diagram.
Fig. 3 adds CDR working method schematic diagram.
Fig. 4 is the assembling schematic diagram of XFP loopback test module.
Embodiment
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
XFP port loopback test module comprises the PCB circuit board that is packaged in the shell, and this PCB circuit board comprises MCU micro-control unit 1, and CDR clock and data recovery module 2 also comprises high temperature protection module and power consumption control module.This Tx and Rx end external interface are XFP standard packaging interface, and MCU micro-control unit 1 passes through I
2The C bus is connected with Devices to test control Host.This Tx and Rx end external interface are XFP standard packaging interface, and MCU micro-control unit 1 passes through I
2The C bus is connected with Devices to test control Host.This clock and data recovery module 2 is connected with MCU micro-control unit 1 and controlled by it, and simultaneously, this clock and data recovery module 2 connects Tx and Rx end, and when the outside had added CDR, inside can not add CDR, as shown in Figure 3; When the outside did not add CDR, the CDR work that need carry as shown in Figure 2, was finished clock and data recovery.This high temperature protection module comprises temperature sensors of high precision 3, status indicator lamp 4, the power control switch 5 that is connected with MCU micro-control unit 1 respectively; its role is to; when the temperature information that collects when temperature sensor is too high; MCU state of a control indicator light 4 sends alarm; and by the control switch 5 automatic closing module of cutting off the electricity supply, to protect tested port device and module.This power consumption control module comprises power supply input, control switch 5 and load resistance, its role is to, and can connect different supply power voltages by control switch 5, and the load resistance resistance is controllable, thereby can realize different level of power consumption.
Described shell is the all-metal cast casing, and the device of highly energy-consuming all is placed on the lower floor of PCB circuit board, is close to metal shell.
During test, module of the present utility model is inserted in the tested port device, the Tx that can plug on the interface is connected with the high speed signal interface of port device automatically with the Rx end, and the control Host of port device passes through I
2The C bus is finished communicating by letter of automatic loopback agreement with the control unit (MCU) of module.
When control Host told that module is carried out loopback test, the Tx of MCU control module set up virtual logic with the Rx end and is connected, and realized that promptly Tx sends packet to the Rx direction.Simultaneously, in test process, MCU is by constantly gathering the information from temperature sensor 3, judge whether to surpass the temperature range that to bear, when overruning, MCU state of a control indicator light sends alarm, and by the control switch automatic closing module of cutting off the electricity supply, to protect tested port device and module; When temperature was in normal range (NR), MCU state of a control indicator light showed and is in normal operating conditions.This status indicator lamp comprises a red light, a green light, and the indicator light workshation state table is a table 1:
| Led status | Green light | Red light |
| Operate as normal | Bright | Secretly |
| Main frame turn-offs | Secretly | Bright |
| According to diagnostic message high/low warning value is set | Glittering | Secretly |
| Surpassing the maximum operation temperature scope closes automatically | Glittering | Glittering |
Table 1
As shown in Figure 4; described shell comprises base 6; screw 8; drag hook 9; locating piece 10; slide block 11; spring 12; protection plug 13; pressing plate 14; wherein base is the important component that supports integral structure component; be used to assemble the PCB circuit board; drag hook 9; slide block 11 and pressing plate 14; groove on the PCB circuit board edge is set in four posts of base 6 inner chambers; screw 8 is fastened on the PCB circuit board on the post of base 6 by the aperture of pcb board; prevent that the PCB circuit board from having the trace string moving; drag hook 9 is bumped in the groove of base 6; promote slide block 11 releases by rotation drag hook 9; pillar on the slide block 11 is to connect spring 12; one end withstands drag hook 9; the other end is bumped in the groove of base 6; be used for the dead bolt release, spring 12 1 ends are enclosed within on two pillars of slide block 11, and the other end combines with the retaining platform of base 6; be used for slide block 11 is resetted, the drag hook of slide block promotion simultaneously resets.Slide block 11 is put into the concave surface of base, and pressing plate 14 is bumped into the groove of two sides of base 6 from tail end, and the front end that is pressed into base 6 in rotation fastens, and is used for PCB circuit board, drag hook 9, the slide block 11 of base 6 inside are fastened and push down.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1.XFP port loopback test module, comprise shell, be packaged in the PCB circuit board in the shell, it is characterized in that: this PCB circuit board comprises MCU micro-control unit (1), this Tx and Rx end external interface are XFP standard packaging interface, and MCU micro-control unit (1) is connected with Devices to test control Host by the I2C bus.
2. XFP port loopback test module according to claim 1, it is characterized in that: described shell is the all-metal cast casing, and all power consumption devices all are placed on the lower floor of PCB circuit board, are close to metal shell.
3. XFP port loopback test module according to claim 1, it is characterized in that: also include CDR clock and data recovery module (2), this clock and data recovery module (2) is connected with MCU micro-control unit (1) and controlled by it, simultaneously, this clock and data recovery module (2) connects Tx and Rx end.
4. XFP port loopback test module according to claim 1; it is characterized in that: also comprise the high temperature protection module, this high temperature protection module comprises temperature sensors of high precision (3), status indicator lamp (4), the power control switch (5) that is connected with MCU micro-control unit (1) respectively.
5. XFP port loopback test module according to claim 1; it is characterized in that: described shell comprises base (6); screw (8); drag hook (9); locating piece (10); slide block (11); spring (12); protection plug (13); pressing plate (14); wherein base is used to assemble the PCB circuit board; drag hook (9); slide block (11) and pressing plate (14); groove on the PCB circuit board edge is set in four posts of base (6) inner chamber; screw (8) is fastened on the PCB circuit board on the post of base (6) by the aperture of pcb board; prevent that the PCB circuit board from having the trace string moving; drag hook (9) is bumped in the groove of base (6); promote slide block (11) release by rotation drag hook (9); pillar on the slide block (11) is to connect spring (12); one end withstands drag hook (9); the other end is bumped in the groove of base (6); be used for the dead bolt release; spring (12) one ends are enclosed within on two pillars of slide block (11); the other end combines with the retaining platform of base (6); be used for slide block (11) is resetted; the drag hook of slide block promotion simultaneously resets; slide block (11) is put into the concave surface of base; pressing plate (14) is bumped into the groove of two sides of base (6) from tail end; the front end that is pressed into base (6) in rotation fastens, and is used for the PCB circuit board that base (6) is inner; drag hook (9); slide block (11) fastens and pushes down.
6. XFP port loopback test module according to claim 1, it is characterized in that: also comprise power consumption control module, this power consumption control module comprises power supply and the load resistance that is connected with control switch (5), and wherein load resistance can be selected according to level of power consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203021432U CN201398198Y (en) | 2009-04-13 | 2009-04-13 | XFP interface loopback test module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203021432U CN201398198Y (en) | 2009-04-13 | 2009-04-13 | XFP interface loopback test module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201398198Y true CN201398198Y (en) | 2010-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203021432U Expired - Lifetime CN201398198Y (en) | 2009-04-13 | 2009-04-13 | XFP interface loopback test module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201398198Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916739A (en) * | 2012-10-31 | 2013-02-06 | 索尔思光电（成都）有限公司 | Real-time loop-back control system for optical module |
| CN108365888A (en) * | 2018-02-01 | 2018-08-03 | 四川泰瑞创通讯技术股份有限公司 | The device of test light module performance |
| CN108880674A (en) * | 2018-08-28 | 2018-11-23 | 成都新易盛通信技术股份有限公司 | A kind of optical module for local loopback test |
-
2009
- 2009-04-13 CN CN2009203021432U patent/CN201398198Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916739A (en) * | 2012-10-31 | 2013-02-06 | 索尔思光电（成都）有限公司 | Real-time loop-back control system for optical module |
| CN108365888A (en) * | 2018-02-01 | 2018-08-03 | 四川泰瑞创通讯技术股份有限公司 | The device of test light module performance |
| CN108880674A (en) * | 2018-08-28 | 2018-11-23 | 成都新易盛通信技术股份有限公司 | A kind of optical module for local loopback test |
| CN108880674B (en) * | 2018-08-28 | 2023-08-22 | 成都新易盛通信技术股份有限公司 | Optical module for local loop test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU EOPTOLINK COMMUNICATION TECHNOLOGY CO., LT Free format text: FORMER NAME: CHENGDU EOPTOLINK TECHNOLOGY INC., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Hite Industrial Park No. 21 High-tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 No. 2 Building 5 floor Patentee after: Eoptolink Technology Inc., Ltd. Address before: Gaopeng Avenue, Chengdu hi tech Development Zone in Sichuan province 610000 No. 21 Building 2 floor five Patentee before: Eoptolink Technology Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100203 |
|
| CX01 | Expiry of patent term |