CN102055597A - Stability test platform and method - Google Patents
Stability test platform and method Download PDFInfo
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- CN102055597A CN102055597A CN2009101104755A CN200910110475A CN102055597A CN 102055597 A CN102055597 A CN 102055597A CN 2009101104755 A CN2009101104755 A CN 2009101104755A CN 200910110475 A CN200910110475 A CN 200910110475A CN 102055597 A CN102055597 A CN 102055597A
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Abstract
The invention provides a stability test platform and a stability test method. The stability test platform comprises a stability console, a power supply automatic control device, a terminal equipment matrix, an uplink exchanger and a network test instrument. By the stability test platform and the stability test method, multiple test function combinations can be finished flexibly, simply and conveniently without manual intervention; and the complete and high-strength stability test is implemented.
Description
Technical field
The present invention relates to the field tests of communication equipment, more particularly, is a kind of stability test platform and method of testing of access device.
Background technology
Along with the high speed development of Internet technology, IP network has become necessary tool in people's routine work and the life.Access device is as " last kilometer " that connect the user, and whether product is stablized, and its importance is self-evident.In recent years, the xPON access product be because of can providing the access effect of remote high bandwidth, and adopt tree-like point-to-multipoint configuration, autgmentability is good and enjoy operator's favor, development is swift and violent.Under the situation that multi-user, high traffic insert, the stability of xPON access product is crucial day by day, and therefore, how the design safety hidden danger that can test out equipment rapidly and accurately at laboratory stage becomes the problem of industry growing interest.
Stability test in the past is to disperse networking according to the functional block of test, needs 2 PON circuit mouths to insert the 2:N optical splitter when switching such as online card protection; The first line of a couplet need insert Softswitch, BRAS (Broadband Remote Access Server, Broadband Remote Access Server) etc. when multi-service is tested; When local side apparatus and terminal equipment matrix power-off restarting, need manual cutting off the electricity supply or the like, so often one must manual conversion Test Networking environment in stability test, loaded down with trivial details inconvenience, testing efficiency is not high; Two, be limited to reasons such as resource and time, each stability test functional block mostly is single manual test, seldom carries out the combined test between functional block, causes the stable robustness testing deficiency of equipment under multiple condition; The three is in the manual test, the time of stability test and frequency number of times are controlled by the tester, restart such as equipment, often restart by hand and just only do several times to tens times, seldom reach up to a hundred times test scale, be prone to the situation of testing insufficient strength and causing the fault test leakage.
At the problems referred to above, need to consider the platform of a kind of stability test of design, be aided with corresponding testing apparatus and method of testing, making in the test process can a networking, manual intervention conversion network environment again, and the functional block that can will test according to the flexible setting of testing requirement, the time of each functional block test and number of times also need predeterminable putting, whole test full-automation is finished, and complete test log is arranged for inquiry and analysis, thereby can greatly alleviate the workload of test, increase work efficiency.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of stability test platform and method of testing, realizes the stability test of access device; By this test platform and method of testing, can need not manual intervention, finish to flexible and convenient the combination of multiple testing function, realize complete and high-intensity stability test.
Stability test platform of the present invention comprises: Stability Control platform, power supply automatic control equipment, terminal equipment matrix, first line of a couplet switch, network test instrument.Wherein,
The Stability Control platform is used for described test platform is managed for configuration; The operation automatized script disposes described equipment under test, described terminal equipment matrix, described first line of a couplet switch and described network test instrument; And utilize described network test instrument and described equipment under test feedback data to finish interpretation of result and log record.
The power supply automatic control equipment is serially connected between power supply input and the described equipment under test, by the Stability Control platform power supply of equipment under test and terminal equipment matrix is controlled; May command-48 direct current and 220V AC power; Comprise the processor control unit, be used to control metal-oxide-semiconductor electronic switch and relay circuit.
The terminal equipment matrix with described equipment under test networking, inserts for described equipment under test provides terminal traffic; The quantity of terminal be described equipment under test support maximum along separate routes than.
The network test instrument receives the configuration order of described Stability Control platform, and the data traffic in the test process is received and dispatched and monitored.
Further, described test platform also comprises first line of a couplet switch, dock with described equipment under test, on be coupled to described network test instrument.
Further, described equipment under test is a local side apparatus, links to each other with described terminal equipment matrix through the 2:N optical splitter by optical fiber.
The present invention also provides a kind of method of testing of stability, comprises the steps:
Step 1, configuration power supply automatic control equipment, equipment under test and network test instrument;
Step 2 presets test loop number of times and test specification;
Step 3, the Control Network test instrumentation sends data traffic and tests.
Further, also comprise record and analytical test result after the step 3.
Further, step 1 comprises: operational mode, the man-machine interface command parameter of power supply automatic control equipment and the PORT COM that is connected with the Stability Control platform are set.
Further, described test specification comprises according to test needs selection function module, the testing time that described functional module is set and test sequencing.
Compared with the prior art, stability test platform of the present invention and method of testing advantage are: one, can a networking finish the integration test of multinomial stability feature piece, and manually the conversion networking is easy to operate; Two, the power supply automatic control equipment of introducing in this platform can realize that the power supply of local side and terminal equipment matrix controls automatically, can realize unattended operation; Three, the cycle-index of test, each test can be set flexibly need the number of times of each functional block operation in the functional block combination of operation, the single-wheel test etc., be convenient to realize the high-intensity reperformance tests of many combinations; Four, whole stability test only needs the tester to set parameter can to finish by full automation, need not manual intervention, and log record and interpretation of result judgement are arranged, can easily help the tester to finish test and fault location.
Description of drawings
Fig. 1 is a stability test platform networking connection diagram of the present invention;
Fig. 2 is the schematic diagram of power supply automatic control equipment among the present invention;
Fig. 3 is the networking schematic diagram of Stability Control platform among the present invention;
Fig. 4 is stability test method embodiment one flow chart of the present invention;
Fig. 5 is stability test method embodiment two flow charts of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described.
As shown in Figure 1, stability test platform of the present invention networking comprises power supply automatic control equipment 101, local side apparatus 102, terminal equipment matrix 103, first line of a couplet switch 104, network test instrument 105, Stability Control platform 106.Wherein,
Power supply automatic control equipment 101, be serially connected between power supply input and equipment under test 102 and the terminal equipment matrix 103, be configured and control by Stability Control platform 106, realize equipment under test is comprised the switch control of the power supply of local side apparatus 102 and terminal equipment matrix 103.
Terminal equipment matrix 103 comprises all types of terminal equipments and switch, and terminal equipment is contained all kinds of optical network nodes of local side apparatus support butt joint, includes types such as Fiber to the home, Fiber-To-The-Building, Fiber To The Curb.Be used to realize converging of service traffics, to local side PON ply-yarn drill, also the ethernet port of convergence terminal ONU is connected to test instrumentation 105 via switch again to switch simultaneously as convergence terminal ONU (Optical Network Unit, optical network unit); Wherein, the number of terminal equipment should reach that local side apparatus supports maximum along separate routes than, such as 64.Take a plurality of switches side by side and the terminal equipment networking in the test, be used for the business of convergence terminal equipment to the network test instrument.
First line of a couplet switch 104 docks with tested local side apparatus 102, take as link aggregate control protocol or upper united mouth APS agreement, the docking mode of local side and other first line of a couplet equipment in the simulation existing network, on be coupled to network tester table 105.
Network test instrument 105 receives the configuration and the order of Stability Control platform 106, sends or the receiving data stream amount, realizes that the flow in the whole networking sends reception and monitoring.
Stability Control platform 106, be computer console, be used to move automatized script, dispose tested local side apparatus 102 and terminal equipment matrix 103, first line of a couplet switch 104 and network test instrument 105, realize the configuration of whole platform and transmitting-receiving, the monitoring of data traffic, finish stability test.It is the core of whole stability test platform, and all configuration, operational orders are sent by it, and interpretation of result and log record are also finished by it.
Power supply automatic control equipment of the present invention comprises processor control unit, metal-oxide-semiconductor electronic switch, relay circuit, data communication interface, indicator light etc.The processor control unit is the core of this device, it is made up of a slice CPU processor and Peripheral storage circuit, clock generation circuit, reset circuit etc., be used to realize manmachine command interface configuration and control, realization is to the turn-on and turn-off control of metal-oxide-semiconductor electronic switch and relay circuit, thereby realization is to the switch control of equipment under test power supply.
As shown in Figure 2, power supply automatic control equipment shown in the present can be a circuit single plate, and it mainly is applied as and is serially connected between power supply input and the equipment under test, and conducting and shutoff by order control power supply comprise on the veneer:
3.3V power circuit 201, outer input-the 48V DC power supply is+3.3V to offer other device power supply on processor control unit and the plate through DC-DC (Direct Current-Direct Current, DC-to-DC conversion) module.
Processor control unit 202, adopt a slice CPU such as MPC850 as primary processor, the peripheral memory circuit part, comprise BOOTROM (Boot Read Only Memory, the remote boot read-only memory), FLASH and SDRA (Synchronous Dynamic Random Access Memory synchronous DRAM) comprise peripheral reset circuit, clock circuit etc. in addition.This is the core of this device, operation system and application controls software program on it, reception is carried out data transaction from user's order input and with the analysis result of ordering, and output control metal-oxide-semiconductor electronic switch 204 and relay circuit 203 carry out the action of conducting or shutoff.
Relay circuit 203, the order of receiving processor control unit 202 is used to control the break-make of 220V AC power.
Metal-oxide-semiconductor electronic switch 204, it adopts the N channel power MOS pipe as switching device, when control terminal is applied high level (〉=2V) time, optocoupler conducting, thereby metal-oxide-semiconductor conducting; When control terminal voltage was 0 level, optocoupler was closed, and metal-oxide-semiconductor is closed, thereby reached the purpose of control-48V DC power supply turn-on and turn-off.
Data communication interface 205, the MPC850CPU minimum system in this device provides 10M Ethernet interface, and the dual serial port also is provided simultaneously, and Ethernet interface can link to each other with a plurality of tested element by the HUB hub; Also can connect the computer console transmitting order to lower levels by serial ports.
As shown in Figure 3, be the networking schematic diagram of Stability Control platform among the present invention.
Stability Control platform 301 is the computer master station, and operation automatized script is realized the control to miscellaneous equipment in the platform on it.
Network test instrument 302, Stability Control platform 301 are attached thereto by network, adopt instrument expanding library and API (Application Programming Interface, application programming interface) interface exploitation automatized script, realize the control to it.
Local side apparatus 303, the Stability Control platform signs in on the local side apparatus by network telnet, carries out network element and business configuration.
Terminal equipment 304 is connected with local side apparatus through optical splitter by optical fiber, is undertaken alternately by the agreement of xPON between the two, finishes configuration and the management of local side to terminal equipment.
First line of a couplet switch 305 is that Stability Control platform 301 is controlled by network telnet login or serial ports equally, and it is configured.
Power supply automatic control equipment 306, Stability Control platform 301 is configured it by serial ports control.
As shown in Figure 4, stability test method embodiment one flow chart of the present invention is as follows:
Step 401 signs in to and carries out the network element configuring basic on the tested local side apparatus;
Step 402 connects the network test instrument, carries out the setting of instrument port mode speed, type of service and flow size that configuration sends;
Step 403, Control Network test instrumentation send the basic service monitoring before data traffic is carried out stability test;
Step 404 is provided with the man-machine interface command parameter of power supply automatic control equipment, and it comprises selects the control that is used for the direct current 48V power supply of local side apparatus or is used for the alternating current 220V power supply of terminal matrix; Dispose the PORT COM that this device is connected with the Stability Control platform; Select the operational mode of this device, be operated in automatic operational mode, order line operational mode or scanning operational mode; Operational factor under each pattern is set, as the control power turn-on with close the number of times of switching, conducting with close between time interval of wait.
Step 405 presets the test loop number of times, is used for being provided with each functional block connection of whole test and runs the testing time that circulation is carried out.
Step 406; which functional block is set in the epicycle test need test; comprise nearly 8 test function block in this method; include the power-off restarting of terminal equipment matrix, the protection of the restarting of the restarting of local side apparatus upper connective plate, local side apparatus ply-yarn drill, local side apparatus ply-yarn drill is switched, the protection between the active and standby control board of local side apparatus is switched, the power-off restarting of local side apparatus, whether simulates real realizes that the net environment adds background test service flow, whether simulates the multiple professional long-play of existing network environmental testing etc.Can select all functions piece or wherein several combinations flexibly according to the test needs, the number of times of functional block test in the single-wheel circulation can be set simultaneously, the sequencing of each functional block test can also be set.
Step 407, the Control Network test instrumentation sends data traffic and tests.
Step 408, recording configuration and instrument business diary, test result analysis.
As shown in Figure 5, the flow chart of stability test method embodiment two of the present invention is as follows:
Local side apparatus configuring basic 501, telnet or serial ports sign in to local side apparatus, configurating terminal device and vlan, multicast information, configuring service channel.
Network test instrument configuration 502 connects test instrumentation, carries out port reservation and configuration, and the professional transmitting-receiving of realization is controlled, and the analogue data transmitting-receiving is wrapped and protocol stack.
Initial basic service monitoring 503, the control test instrumentation sends data traffic, and whether clean culture multicast service basic under the monitoring initial condition is normal, is then to continue next step, checks professional and the instrument configuration otherwise get back to step 501.
Power supply automatic control equipment command parameter is provided with 504, the number of times of the communication port of setting device and stable platform, operational mode, equipment under test Switching Power Supply, the latency period between the switch electricity or the like.
Preset test loop number of times 505, set the number of times that whole stability test needs circulation is carried out according to the test needs.
Following testing procedure is for to carry out in single cycle:
Upper connective plate restarts 506, and whether set needs upper connective plate to restart test, needs the number of times tested, the stability of test local side apparatus first line of a couplet part in the single-wheel circulation.
Ply-yarn drill restarts 507, and whether set needs ply-yarn drill to restart test, needs the number of times tested, the stability of test local side apparatus ply-yarn drill in the single-wheel circulation.
Test 508 is switched in ply-yarn drill protection, and whether set needs the ply-yarn drill protection to switch test, needs the number of times tested, the stability of test local side apparatus ply-yarn drill redundancy backup in the single-wheel circulation.
Master control borad masterslave switchover 509, whether need master board protection switch test, need the number of times tested, the stability of test local side apparatus master board redundancy backup in the single-wheel circulation if setting.
Local side apparatus power-off restarting 510, whether need carry out local side apparatus power-off restarting test, need the number of times tested, the ability and the stability of test local side apparatus recovery after power cut in the single-wheel circulation if setting.
The terminal equipment matrix restarts 511, and whether set needs to carry out the test of terminal equipment matrix power-off restarting, needs the number of times tested, ability of recovering after the device powers down of test terminal and stability in the single-wheel circulation.
Simultaneously carbuncle on the back scape current test 512 is set the background current test of whether need setting out in operational trials, needs the number of times tested in the single-wheel circulation, and the test local side apparatus is at the service stability that exists under the background traffic situation.
Multi-service long-play 513, whether need carry out multi-service long-play test, need the number of times tested in the single-wheel circulation if setting, watch the equipment under test state of network element and professional packet drop behind the long-play under multi-service circumstances.
Whether, be then continue, continue otherwise get back to 505 if watching cycle-index and finishing.
Test result analysis, environment recovery 514 is watched in the whole stability test whether success of each functional block operation, and log is also analyzed and is provided test result; Discharge the tester resource behind the EOT, the sweep equipment configuration finishes test.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; also other various embodiments can be arranged; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (13)
1. a stability test platform comprises the network test instrument, it is characterized in that, also comprises:
The Stability Control platform is used for described test platform is managed for configuration;
The power supply automatic control equipment is controlled the power supply of equipment under test and terminal equipment matrix by described Stability Control platform;
The terminal equipment matrix with described equipment under test networking, inserts for described equipment under test provides terminal traffic.
2. test platform as claimed in claim 1 is characterized in that described test platform also comprises first line of a couplet switch, dock with described equipment under test, on be coupled to described network test instrument.
3. test platform as claimed in claim 1 or 2 is characterized in that described network test instrument receives the configuration order of described Stability Control platform, and the data traffic in the test process is received and dispatched and monitored.
4. test platform as claimed in claim 1 or 2 is characterized in that, described power supply automatic control equipment is serially connected between power supply input and the described equipment under test, is used for control-48 direct currents and 220V AC power.
5. test platform as claimed in claim 4 is characterized in that, described power supply automatic control equipment comprises the processor control unit, is used to control metal-oxide-semiconductor electronic switch and relay circuit.
6. test platform as claimed in claim 1, it is characterized in that, described Stability Control platform is a computer console, be used to move automatized script, dispose described equipment under test, described terminal equipment matrix, described first line of a couplet switch and described network test instrument, finish the configuration of described test platform and transmitting-receiving, the monitoring of data traffic.
7. test platform as claimed in claim 6 is characterized in that: described Stability Control platform utilizes described network test instrument and described equipment under test feedback data to finish test result analysis and log record.
8. test platform as claimed in claim 1 is characterized in that, described equipment under test is a local side apparatus, links to each other with described terminal equipment matrix through the 2:N optical splitter by optical fiber.
9. as claim 1 or 6 or 8 each described test platforms, it is characterized in that, in the described terminal equipment matrix quantity of terminal be described equipment under test support maximum along separate routes than.
10. a stability test method is characterized in that, comprises the steps:
Step 1, configuration power supply automatic control equipment, equipment under test and network test instrument;
Step 2 presets test loop number of times and test specification;
Step 3, the Control Network test instrumentation sends data traffic, carries out stability test.
11. method as claimed in claim 10 is characterized in that, also comprises record and analytical test result after the step 3.
12. method as claimed in claim 10 is characterized in that, step 1 comprises: operational mode, the man-machine interface command parameter of power supply automatic control equipment and the PORT COM that is connected with the Stability Control platform are set.
13. method as claimed in claim 10 is characterized in that: described test specification comprises according to test needs selection function module, the testing time that described functional module is set and test sequencing.
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| CN102497229A (en) * | 2011-12-13 | 2012-06-13 | 武汉烽火网络有限责任公司 | Performance testing system and method for passive optical network (PON) card hardware |
| CN103441955A (en) * | 2013-08-09 | 2013-12-11 | 上海斐讯数据通信技术有限公司 | System and method for testing dynamic bandwidth allocation device |
| CN103731205A (en) * | 2013-12-20 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for automatically testing optical network unit |
| CN103973360A (en) * | 2014-05-21 | 2014-08-06 | 深圳市新格林耐特通信技术有限公司 | Method and device for testing PON local side hardware performance |
| CN105100343A (en) * | 2015-07-14 | 2015-11-25 | 开曼群岛威睿电通股份有限公司 | Mobile phone and instrument control method and system using such method |
| CN105407018A (en) * | 2015-12-08 | 2016-03-16 | 中国航空工业集团公司西安航空计算技术研究所 | Automated testing method for FC switch |
| CN107070747A (en) * | 2017-04-10 | 2017-08-18 | 广东浪潮大数据研究有限公司 | A kind of method of the automatic test network interface card network connection stability under network card binding pattern |
| CN107294805A (en) * | 2017-06-23 | 2017-10-24 | 郑州云海信息技术有限公司 | A kind of method of testing network communication stability, apparatus and system |
| CN107632256A (en) * | 2017-08-21 | 2018-01-26 | 上海斐讯数据通信技术有限公司 | A kind of relay stability test method, apparatus and system |
| CN108462530A (en) * | 2016-12-12 | 2018-08-28 | 中兴通讯股份有限公司 | A kind of optical line terminal test device |
| CN108737220A (en) * | 2018-06-26 | 2018-11-02 | 广东九博科技股份有限公司 | The test system of routing device |
| CN110460503A (en) * | 2019-09-17 | 2019-11-15 | 昆山普尚电子科技有限公司 | Network Analyzer stability test method |
| CN110708218A (en) * | 2019-10-30 | 2020-01-17 | 杭州迪普科技股份有限公司 | Power failure protection equipment switching time detection method, device, equipment and system |
| CN110769334A (en) * | 2019-11-05 | 2020-02-07 | 珠海迈科智能科技股份有限公司 | Combination test method and system for passive optical fiber equipment |
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| CN113608947A (en) * | 2021-08-11 | 2021-11-05 | 芯河半导体科技(无锡)有限公司 | Test system for automatically restarting and checking stability of ONU (optical network Unit) after power failure |
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2009
- 2009-11-03 CN CN2009101104755A patent/CN102055597A/en active Pending
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| CN102497229B (en) * | 2011-12-13 | 2014-12-10 | 武汉烽火网络有限责任公司 | Performance testing system and method for passive optical network (PON) card hardware |
| CN102497229A (en) * | 2011-12-13 | 2012-06-13 | 武汉烽火网络有限责任公司 | Performance testing system and method for passive optical network (PON) card hardware |
| CN103441955B (en) * | 2013-08-09 | 2018-01-02 | 上海斐讯数据通信技术有限公司 | A kind of test system and method for testing for being used to test dynamic bandwidth allocation device |
| CN103441955A (en) * | 2013-08-09 | 2013-12-11 | 上海斐讯数据通信技术有限公司 | System and method for testing dynamic bandwidth allocation device |
| CN103731205A (en) * | 2013-12-20 | 2014-04-16 | 上海斐讯数据通信技术有限公司 | Method for automatically testing optical network unit |
| CN103731205B (en) * | 2013-12-20 | 2018-07-24 | 上海斐讯数据通信技术有限公司 | A kind of optical network unit automated testing method |
| CN103973360A (en) * | 2014-05-21 | 2014-08-06 | 深圳市新格林耐特通信技术有限公司 | Method and device for testing PON local side hardware performance |
| CN103973360B (en) * | 2014-05-21 | 2017-01-11 | 深圳市新格林耐特通信技术有限公司 | Method and device for testing PON local side hardware performance |
| CN105100343A (en) * | 2015-07-14 | 2015-11-25 | 开曼群岛威睿电通股份有限公司 | Mobile phone and instrument control method and system using such method |
| CN111314538A (en) * | 2015-07-14 | 2020-06-19 | 苹果公司 | Mobile phone and instrument control method and system using same |
| CN105407018A (en) * | 2015-12-08 | 2016-03-16 | 中国航空工业集团公司西安航空计算技术研究所 | Automated testing method for FC switch |
| CN108462530A (en) * | 2016-12-12 | 2018-08-28 | 中兴通讯股份有限公司 | A kind of optical line terminal test device |
| CN107070747B (en) * | 2017-04-10 | 2020-05-19 | 苏州浪潮智能科技有限公司 | Device, system and method for automatically testing network card network connection stability in network card binding mode |
| CN107070747A (en) * | 2017-04-10 | 2017-08-18 | 广东浪潮大数据研究有限公司 | A kind of method of the automatic test network interface card network connection stability under network card binding pattern |
| CN107294805A (en) * | 2017-06-23 | 2017-10-24 | 郑州云海信息技术有限公司 | A kind of method of testing network communication stability, apparatus and system |
| CN107632256A (en) * | 2017-08-21 | 2018-01-26 | 上海斐讯数据通信技术有限公司 | A kind of relay stability test method, apparatus and system |
| CN108737220A (en) * | 2018-06-26 | 2018-11-02 | 广东九博科技股份有限公司 | The test system of routing device |
| CN108737220B (en) * | 2018-06-26 | 2021-12-28 | 广东九博科技股份有限公司 | Test system of routing equipment |
| CN110460503A (en) * | 2019-09-17 | 2019-11-15 | 昆山普尚电子科技有限公司 | Network Analyzer stability test method |
| CN110460503B (en) * | 2019-09-17 | 2021-03-02 | 昆山普尚电子科技有限公司 | Stability testing method for network analyzer |
| CN110708218B (en) * | 2019-10-30 | 2021-11-02 | 杭州迪普科技股份有限公司 | Power failure protection equipment switching time detection method, device, equipment and system |
| CN110708218A (en) * | 2019-10-30 | 2020-01-17 | 杭州迪普科技股份有限公司 | Power failure protection equipment switching time detection method, device, equipment and system |
| CN110769334A (en) * | 2019-11-05 | 2020-02-07 | 珠海迈科智能科技股份有限公司 | Combination test method and system for passive optical fiber equipment |
| CN110769334B (en) * | 2019-11-05 | 2022-05-20 | 珠海迈科智能科技股份有限公司 | Combination test method and system for passive optical fiber equipment |
| CN111447104A (en) * | 2020-03-11 | 2020-07-24 | 武汉赫尔墨斯智能科技有限公司 | Efficient product testing method and device |
| CN111447104B (en) * | 2020-03-11 | 2022-01-04 | 武汉赫尔墨斯智能科技有限公司 | Efficient product testing method and device |
| CN113608947A (en) * | 2021-08-11 | 2021-11-05 | 芯河半导体科技(无锡)有限公司 | Test system for automatically restarting and checking stability of ONU (optical network Unit) after power failure |
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Application publication date: 20110511 |