CN104378213B - The method of testing and device of a kind of POE network communication equipments - Google Patents
The method of testing and device of a kind of POE network communication equipments Download PDFInfo
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- CN104378213B CN104378213B CN201410619145.XA CN201410619145A CN104378213B CN 104378213 B CN104378213 B CN 104378213B CN 201410619145 A CN201410619145 A CN 201410619145A CN 104378213 B CN104378213 B CN 104378213B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
The invention discloses a kind of method of testing of POE network communication equipments and device, this method is detected by the load capacity to POE communication equipments, if load capacity normally if carry out data link detection.The device include tests data-link whether can normally transmit data data link test module and detection feed whether satisfactory feed test module.The present invention can support the detection means implementation method of testing standard POE and the power supply of non-standard POE network communication equipments and data-transformation facility and performance simultaneously by proposition is a kind of.The detection means implementation method not only verifies Ethernet exchanging function and standard POE function of supplying power simultaneously, the test to nonstandard POE network communication equipments can also be supported, and automatic intelligent adjustment consumption detection can be realized and entity management and monitoring and data record is realized.Reduction production complexity and difficulty, improve production efficiency, accurately and reliably efficiently ensure POE network communication equipment production qualities.
Description
Technical field
It is more particularly to a kind of that test side is carried out to POE network communication equipments the present invention relates to POE network communication equipments field
Method and device.
Background technology
In recent years, the popularization of adjoint network and digital product, people are to such as IP telephone machine, wireless local network connecting point
While the terminal transmission signal of communication such as AP, web camera, the powerup issue of equipment also annoyings people.POE technologies are exactly
Arise at the historic moment in this context, it can ensure the normal operation of existing network while ensuring that existing structureization wiring is safe,
Cost is reduced to greatest extent.
POE (Power Over Ethernet), POE (also referred to as feeder line power supply) is exactly to transmit communication packet
Ethernet cable powered simultaneously for the equipment that is connected with Ethernet.IEEE 802.3af and IEEE 802.3at standards are to utilize
The newest standards specification of data and electrical power is transmitted while Ethernet transmission cable, and maintain with existing Ethernet system and
The compatibility of user, it adds the relevant criterion directly powered by netting twine on the basis of IEEE 802.3, be it is existing with
The too accurate extension of network mark, is also an international standard on power distribution, the electric power inspection in its clear stipulaties remote system
Survey and control item, and to router, interchanger and hub by Ethernet cable to IP phone, security system and wireless
The mode that the equipment such as LAN access points are powered is provided, while market also produces non-standard POE power demands, such as without special
Levy 24V supply network schemes of impedance detecting etc..Popularization and internet with POE technologies flourish, as POE interchangers,
The network communication equipment that there is POE MDU and POE routers etc. POE to power arises, and this kind equipment is provided simultaneously with Ethernet
Function of exchange and POE function of supplying power.In the past be all to the kind equipment by its Ethernet exchanging function and POE function of supplying power separate into
Row test, not only ignoring such product, POE powers and the possible potential quality risk of Ethernet exchanging functional operation at the same time,
Reduce production efficiency.
At present, standard POE equipment power supply process is followed：Characteristic impedance is detected -->Classification -->The process of power supply.
Standard POE is classified and corresponding power grade is as shown in table 1：
Table 1, standard POE classifications and correspondence power grade table
It is then such without standard POE equipment for non-standard POE equipment, characteristic impedance and progressive operation are carried out, but directly
Power supply is connect, and supply voltage is commonly 24V.
At present, the network equipment uses RJ45 connector, and RJ45 has 8 lines, wherein 1 and 2 taps, 3 and 6 taps, 4 and 5 taps,
Having in 7 and 8 four groups of tap taps in two groups of taps has POE feeds.Feeding classification has two kinds such as according to 802.3at consensus standards
Under：
The first is to use Alternative A, and it is as shown in table 2 to use Alternative B second.
Table 2 is the polarity table of both modes
Alternative A with the polarity of MDI-X interfaces are opposite due to MDI, so the rectification at PD ends must be used
Full-bridge rectification.
And Alternative B then limit 4＆5 lines to the positive polarity exported for POE, 7＆8 lines are to bearing for being exported for POE
Polarity.
When the design at tested its PSE end of the network equipment is Alternative A, 1＆2 lines pair and 3＆ in 8 netting twines
6 lines are to for POE feed lines pair.If the tested network equipment is gigabit power port, 8 netting twines are signal wires；If tested
The network equipment is 100,000,000 power ports, and the only middle 1＆2 lines pair of 8 netting twines and 3＆6 lines are to being signal wire.
When the design at tested its PSE end of the network equipment is Alternative B, 4＆5 lines pair and 7＆ in 8 netting twines
8 lines are to for POE feed lines pair, and 4＆5 lines are to for Vport（+）, 7＆8 lines are to for Vport（-）.If the tested network equipment is
Gigabit power port, 8 netting twines are signal wires；If the tested network equipment is 100,000,000 power ports, the only middle 1＆2 lines pair of 8 netting twines
With 3＆6 lines to being signal wire.
As in Fig. 3, gigabit POE is seen every change equivalent model below Alternative A, and data-signal is to hand on 8 netting twines
Flowing signal can be by the rear class that is inductively coupled in isolating transformer, and to be direct current can not be coupled to isolation transformation to POE voltages
The rear class of device, feeds from the centre cap of isolating transformer prime and returns to PSE ends through overload.
The content of the invention
The purpose of the present invention is to propose to a kind of testing standard POE and non-standard POE network communication equipments of supporting simultaneously
Power supply and the method and test device of data-transformation facility and performance.Ethernet exchanging function is not only verified simultaneously using this method
With standard POE function of supplying power, moreover it is possible to support the test to nonstandard POE network communication equipments, and can realize that automatic intelligent is adjusted
Consumption detection and realize entity management and monitoring and data record.Reduction production complexity and difficulty, improve production efficiency, accurate
Really reliably and effectively ensure POE network communication equipment production qualities.
The technical scheme is that to the method for testing of POE network communication equipments, first by the Data-Link in POE signals
Road signal is separated with POE feeds, and POE feeds are tested, and is tested the voltage and load capacity of feed, is tested the voltage of feed
Method with load capacity is, by PD control device input fictitious load, then fictitious load to be carried out the POE feeds of acquisition
Monitoring, measurement POE feed voltages and load capacity, judge whether POE feeds meet the index request of POE network communication equipments,
If meeting the index request of POE network communication equipments.If feed is normal, then carries out data link test, test data chain
Mainly there is two ways on road, one is the network communication equipment that the data link signal loopback separated is tested, logical from network
The working condition lamp of letter equipment judges whether data link is normal, and another method is to provide a network communication module and quilt
The communication equipment of survey is communicated, and tests link establishment situation, represents that data link is normal if normally link is set up, so
It can be determined that tested network communication equipment test is normal.
Present invention also offers a kind of test device tested POE network communication equipments, the device has isolation
Device transformer, data link test module and POE feed test modules, isolating transformer is by the feed and data in POE signals
Link signal is isolated, the voltage and load capacity of the feed in POE feed test module test POE signals, with tested POE networks
The index of communication equipment is compared, if normally, turn-on data link test module is carried out to POE data link signal
Test, if test normally shows that the tested POE network communication equipments meet test request, otherwise for defective products, it is necessary to repair
It is multiple just to dispatch from the factory.
In the present invention, the method for testing of POE network communication equipments comprises the following steps：
Step A, the network port acquisition POE feeds from POE network communication equipments；
Step B, the POE of acquisition feed by PD control device inputted into fictitious load；
Step C, fictitious load is monitored, measurement POE feed voltages and load capacity, judges that POE is fed and whether accord with
The index request of POE network communication equipments is closed, if meeting the index request of POE network communication equipments, step D is turned to, it is no
Then, prompting POE feed voltages and load capacity do not meet the index request of POE network communication equipments, terminate test；
Whether step D, checking data link are normal, if normally, mark test is normal, terminates test, otherwise, mark
Data link is abnormal, and terminates test.
Whether a kind of test device of POE network communication equipments, including tests data-link can normally transmit the number of data
According to link test module and detection feed whether satisfactory feed test module；Described data link test module possesses
There are at least two interfaces for being connected to POE networks and data link control unit, described data link control unit is connected to
Two are connected between the interface of POE networks, realize two connections or disconnection being connected between the interface of POE networks；Institute
The feed test module stated has the test input that at least one connects with the tested POE network communication equipment network ports
Mouthful；Including isolating transformer, rectification circuit, PD control device and one group of fictitious load, load selection monitoring unit；Test input port
POE signals access the prime of isolating transformer, the centre cap of the prime of isolating transformer connects described rectification circuit, rectification
The output end of circuit connects described fictitious load by PD control device, and described load selection monitoring unit includes current measurement mould
Block, voltage measurement module and load switch control module, current measurement module, voltage measurement module measure input load respectively
How many electric current and voltage, described load switch control module controls bear according to the electric current and voltage of measured input load
Carry access.
The present invention by propose a kind of power supply that can support testing standard POE and non-standard POE network communication equipments simultaneously and
The detection means implementation method of data-transformation facility and performance.The detection means implementation method not only verifies Ethernet exchanging simultaneously
Function and standard POE function of supplying power, moreover it is possible to support the test to nonstandard POE network communication equipments, and automatic intelligent can be realized
Adjust consumption detection and realize entity management and monitoring and data record.Reduction production complexity and difficulty, improve production effect
Rate, accurately and reliably efficiently ensures POE network communication equipment production qualities.
The present invention is described in more detail with reference to specific embodiment.
Brief description of the drawings
Fig. 1 is the detection means module map of the embodiment of the present invention 1.
Fig. 2 is the PD control device circuit diagram in detection means of the present invention.
Fig. 3 is the flow chart of the embodiment of the present invention 1.
Fig. 4 is the flow chart of the embodiment of the present invention 2.
Embodiment
Embodiment 1, as shown in figure 1, the present embodiment has two RJ45 ports, respectively A ports and B ports, these ends
Mouth is connected by RJ45 interfaces with tested POE network communication equipments, passes through RJ45 interfaces and network communication equipment carries out net
Network couples.1＆2,3＆6,4＆5 and 7＆8 line of isolating transformer prime respectively with RJ45 mouthfuls are to being connected, in isolating transformer prime
With RJ45 mouthfuls of 1＆2 and 3＆6 lines to the centre cap that is connected, the center in isolating transformer prime with RJ45 mouthfuls of 4＆5 and 7＆8
Spindle nose connects described rectification circuit respectively.
Detection means in the present embodiment is given out a contract for a project list including detection means veneer, detection means management board and conversation test
Member.Generally typically there are multiple detection means veneers to coordinate individual detection means management board and 1 conversation test to give out a contract for a project unit.
Detection means veneer mainly realizes the detection that the network equipment is powered, and data exchange path break-make is controlled, and port powers
Indicator lamp controls and gathered data is fed back into system management unit.Veneer can also be used alone, and directly be interconnected with PC terminal.
In detection means veneer as shown in figure 1, main be provided with includes whether tests data-link can normally pass thereon
Send data data link test module and detection feed whether satisfactory feed test module；Data link test module
Possess two RJ45 interfaces with POE networks to be connected, data link control unit is connected between two RJ45 interfaces, realizes two
It is connected to connection or disconnection between the interface of POE networks；The test input port of feed test module is exactly that RJ above connects
Mouthful；Including isolating transformer, rectification circuit, PD control device and one group of fictitious load, load selection monitoring unit；RJ45 interfaces
POE signals access the prime of isolating transformer, electric feed signal are taken out from prime, rear class of the data-signal in isolating transformer
Middle output, it can be exported by another isolating transformer in data link test module, be obtained from isolating transformer prime
Electric feed signal connects fictitious load by output end after filtering, rectification by PD control device, and load selection monitoring unit includes electric current
Measurement module, voltage measurement module and load switch control module, current measurement module, voltage measurement module measure input respectively
The electric current and voltage of load, described load switch control module have according to the control of the electric current and voltage of measured input load
How many load accesses.
The circuit of PD control device is as shown in Figure 2：PD control utensil has three comparison signal source input pins：Wherein, DEN is managed
Pin is directly connected to the cathode output end of rectification circuit；APD pins pass through divider resistanceAnd divider resistanceAccess is whole
The output end of current circuit just with negative pole；PPD pins pass through divider resistanceAnd divider resistanceAccess rectification circuit
Output end both positive and negative polarity；When it is the POE network powered equipments of standard to be devices under, comparison signal source comes from DEN
Input pin；When be devices under be standard 48V ~ 58V network powered equipments, comparator signal source come from APD pins；When
12V ~ 24V network powered equipments of the criteria of right and wrong are devices under, then comparator signal source comes from PPD pins.
Detection means management board is mainly realized to the setting of each detection means single-board testing, the unified collection of test data, exchanged
Give out a contract for a project unit control and human-computer interaction interface of test monitors window there is provided united intelligent management.
Conversation test unit of giving out a contract for a project mainly completes to produce network ether network packet and carries out data exchange test, to verify data
Link is normal.The conversation test give out a contract for a project unit can be the tested POE network equipments can also be specialty instrument and equipment of giving out a contract for a project.
If conversation test is given out a contract for a project, unit is the tested POE network equipments, is by ordering the tested POE network equipments CPU of control to send
Message, then message difference is sent and received by the CPU comparisons for being tested the POE network equipments, so as to judge the reliability of data link.
Detection means veneer includes perimeter network communication link circuits and rectification circuit, PD control device, load unit, plate level
Controller, PD configuration modes unit, classification selection control unit and stage circuit, data link control unit, load selection prison
Control unit and plate level communication unit.
Perimeter network communication link circuits and rectification circuit, refer to RJ45 connectors and POE isolating transformers, rectified current
Road is then to constitute rectifier bridge by diode to realize.Mainly realize the stripping of network data link and power supply link in the part.
PD control device, be support realize characteristic impedance and progressive operation and power switching switch, meet standard 802.3af and
802.3at regulation PD requirements, while also requiring that can support the nonstandard POE directly powered to set.
When it is the POE network powered equipments of standard to be devices under, DEN input of the comparison signal source from Rden
Pin；When be devices under be standard 48V ~ 58V network powered equipments, then plate level controller will send Ctrl1 enable letter
Number, comparator signal source is switched to APD sources；When the 12V ~ 24V network powered equipments for being devices under the criteria of right and wrong, then
Plate level controller will send Ctrl2 and enable signal, and comparator signal source is switched into PPD sources by such handover operation, real
Now to various standards and the compatibility test of off-gauge power supply unit.
Load unit, due to simulated power consumable unit, can be that the fictitious load such as cement resistor or metal-oxide-semiconductor/triode is real
It is existing.Load unit can be made up of multigroup load group, to realize different power consumptions in the case of different classifications.
Plate level controller requires that being used for plate level PD control device pattern configurations, grading control, load group selects according to test setting
Select and monitor, data link controls and collects and report detection data to system administration manager.By system administration manager unified management and
Set.
PD configuration modes unit is used for the configuration control signal sent according to plate level controller, and PD control device is configured into mark
Quasi- PD patterns or nonstandard PD patterns.
Classification selection control unit and stage circuit are used for the grading control signal sent according to plate level controller, and PD is controlled
Device processed is set to correspondence classification shelves on request.
Data link control unit is used to send Data-Link after plate level controller monitoring to the equal normal power supply load of two-way
Road control signal, makes two mouthfuls of network signals communicate with one another.So, two network interfaces could Link go forward side by side row data communication.If wherein
Normal power supply is unable to all the way, and plate level controller can will not enable data link control unit, and two network interfaces are then unable to Link sums
According to communication.
Load selection monitoring unit is used for plate level controller according to tappered rating grade or test.
The course of work of the present embodiment is according to whether be that standard POE network power supplies are distinguished as shown in Figure 3 and Figure 4.
It is the flow detected to standard POE network powered equipments as shown in Figure 3：
1st, it is with netting twine that the port of network powered equipment PSE and the detection device of the present embodiment is mutual namely with RJ45 interfaces
Connection.
2nd, configuration mode unit is controlled, PD control device is configured to standard PD patterns, now, the comparison signal of PD control device
DEN input pin of the source from Rden.
3rd, classification selecting unit is required according to test setting, the switch for selecting monitoring unit using load is selected load
Select.
4th, load selecting unit is set by classification.
5th, the ability of measurement load, to determine whether detection duplex feeding is normal, if abnormal, illustrates POE networks
It is abnormal, display, and detection of end.If normal, continue following data link detection.
6th, data link control unit is made to work.
7th, map network Link, the link of two ports is linked, or is controlled from system to be sent out to RJ45 interfaces
Link data.
8th, systematic collection is powered and link detecting result, display.
For off-gauge POE network equipments testing process as shown in figure 4, the main distinction is the configuration to PD control device
Load selection monitoring unit is set with by port power output maximum.
Claims (8)
1. a kind of method of testing of POE network communication equipments, comprises the following steps：
Step A, the network port acquisition POE feeds from POE network communication equipments；
Step B, the POE of acquisition feed by PD control device inputted into fictitious load；
Step C, fictitious load is monitored, measurement POE feed voltages and load capacity judge POE feeds whether meet POE
The index request of network communication equipment, if meeting the index request of POE network communication equipments, turns to step D, otherwise, carries
Show that POE feed voltages and load capacity do not meet the index request of POE network communication equipments, terminate test；
Whether step D, checking data link are normal, if normally, mark test is normal, terminates test, otherwise, mark data
Link is abnormal, and terminates test；
In described step B, if standard POE network powered equipments, then PD control device is configured to standard PD patterns；If
Criteria of right and wrong POE network powered equipments, then be configured to non-standard PD patterns by PD control device.
2. the method for testing of POE network communication equipments according to claim 1, it is characterised in that：In checking data link
Whether in normal step, pass through the net of tested POE network communication equipments using the data that will be received in data link
Network port loop returns tested POE network communication equipments, is seen whether just from tested POE network communication equipment indicator lamps
Often.
3. the method for testing of POE network communication equipments according to claim 1, it is characterised in that：In checking data link
Whether in normal step, linked, linked successfully then with tested POE network communication equipments using a unit of transmitting messages
Represent that mark test is normal.
4. whether a kind of test device of POE network communication equipments, including tests data-link can normally transmit the data of data
Link test module and detection feed whether satisfactory feed test module；It is characterized in that：
Described data link test module, which possesses, has at least two interfaces for being connected to POE networks and data link control single
Member, described data link control unit is connected to two and is connected between the interface of POE networks, realizes that two are connected to POE
Connection or disconnection between the interface of network；
Described feed test module has the test that at least one connects with the tested POE network communication equipment network ports
Input port；Including isolating transformer, rectification circuit, PD control device and one group of fictitious load, load selection monitoring unit；Test is defeated
The POE signals of entrance access the prime of isolating transformer, and the centre cap of the prime of isolating transformer connects described rectification circuit,
The output end of rectification circuit connects described fictitious load by PD control device, and described load selection monitoring unit is surveyed including electric current
Module, voltage measurement module and load switch control module are measured, it is negative that current measurement module, voltage measurement module measure input respectively
The electric current and voltage of load, described load switch control module have many according to the control of the electric current and voltage of measured input load
Few load access.
5. the test device of POE network communication equipments according to claim 4, it is characterised in that：Described test input
Mouth is any one interface for being connected to POE networks.
6. the test device of POE network communication equipments according to claim 5, it is characterised in that：Described test input
Mouthful it is RJ45 mouthful, 1＆2,3＆6,4＆5 and 7＆8 line of described isolating transformer prime respectively with RJ45 mouthful isolate change to being connected
With RJ45 mouthfuls of 1＆2 and 3＆6 lines to the centre cap that is connected in depressor prime, the 4＆5 in isolating transformer prime with RJ45 mouthfuls
Described rectification circuit is connect respectively with 7＆8 central shaft heads.
7. the test device of POE network communication equipments according to claim 6, it is characterised in that：The PD control device；Institute
The PD control utensil stated has three comparison signal source input pins：Wherein, DEN pins are directly connected to the positive pole output of rectification circuit
End；APD pins pass through divider resistanceAnd divider resistanceAccess rectification circuit output end just with negative pole；PPD is managed
Pin passes through divider resistanceAnd divider resistanceAccess rectification circuit output end just with negative pole；
When it is the POE network powered equipments of standard to be devices under, comparison signal source comes from DEN input pins；
When be devices under be standard 48V ~ 58V network powered equipments, comparator signal source come from APD pins；
When the 12V ~ 24V network powered equipments for being devices under the criteria of right and wrong, then comparator signal source is from PPD pins.
8. according to the test device of any described POE network communication equipments in claim 4 to 7, it is characterised in that：Also include
Host computer, described host computer selects monitoring unit and data link control unit phase with described PD control device, load respectively
Even, described host computer is realized to PD control device and data link control unit by receiving the data of load selection monitoring unit
Control.
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| CN102801535A (en) * | 2011-05-23 | 2012-11-28 | 华为技术有限公司 | Power supply transmission system for Ethernet network |
| CN204168306U (en) * | 2014-11-06 | 2015-02-18 | 深圳市共进电子股份有限公司 | A kind of test macro of POE network communication equipment |
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