CN104518819A - Twisted pair category identification method and twisted pair category identification equipment - Google Patents
Twisted pair category identification method and twisted pair category identification equipment Download PDFInfo
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Abstract
An embodiment of the invention provides a twisted pair category identification method and twisted pair category identification equipment and relates to the field of communication. The method includes: detecting the length of a twisted pair; sending at least three signals on the twisted pair, wherein any two of the at least three signals are different in sending power; acquiring an SNR (signal/noise ratio) of each of the at least three signals; acquiring an actual corresponding relation between the sending power and the SNR of each twisted pair signal according to the sending power and the SNR of each of the at least three signals by a simple linear regression method; inquiring a preset database according to the actual corresponding relation and the length of the twisted pair, acquiring a proximate ideal corresponding relation of the actual corresponding relation, and determining a twisted pair category corresponding to the proximate ideal corresponding relation of the actual corresponding relation as the category of the twisted pair. By the twisted pair category identification method and the twisted pair category identification equipment, automatic identification of categories of connected twisted pairs is achieved, and twisted pair identification efficiency and accuracy are improved.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method and apparatus identifying twisted-pair type.
Background technology
Along with the kind of Ethernet gets more and more, speed is more and more higher, physical connection medium (such as optical module, cable, twisted-pair feeder) the also synchronized development of network equipment ethernet port, and kind gets more and more.
Such as, there is Fast Ethernet (also referred to as 100 m ethernet, English: Fast Ethernet, be called for short FE), gigabit Ethernet is (English: Gigabit Ethernet, be called for short GE), ten thousand mbit ethernets are (English: 10GigabitEthernet, be called for short 10GE), the kind such as 40,000 mbit ethernets (English: 40Gigabit Ethernet, to be called for short 40GE), 100,000 mbit ethernets (English: 100Gigabit Ethernet, to be called for short 100GE).10GBASE-T be a kind of use 6 type shielding twisted-pair feeders or 6 class unshielded twisted pairs as the ethernet specification of physical connection medium, need 6 class twisted-pair feeders and its collocation to use, along with technical development and the market demand, the kind of twisted-pair feeder will get more and more.
It is (English: ElectricallyErasable Programmable Read-Only Memory that optical module and cable inside carry EEPROM (Electrically Erasable Programmable Read Only Memo), be called for short EEPROM), the network equipment can pass through integrated circuit (IC) bus (English: Inter-Integrated Circuit, to be called for short IIC) and from EEPROM, read its information judge whether and can dock successfully with the network equipment ethernet port of the other end.But twisted-pair feeder does not carry EEPROM to store essential information as optical module and cable, and the type of twisted-pair feeder is difficult to simply be identified.
Summary of the invention
The invention provides a kind of method and apparatus identifying twisted-pair type, realize the type identifying the twisted-pair feeder connected automatically, improve the efficiency and accuracy that identify twisted-pair type.
For achieving the above object, the embodiment of the present invention provides following technical scheme.
First aspect, provides a kind of method identifying twisted-pair type, comprising:
Detect the length of twisted-pair feeder;
Described twisted-pair feeder sends at least three signals, and wherein, in described at least three signals, the transmitted power of any two signals is different;
The signal to noise ratio snr of at least three signals described in acquisition;
According to the transmitted power of described at least three signals and the SNR of described at least three signals, obtain the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method;
According to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder, wherein, comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
In conjunction with first aspect, in the first possible implementation of first aspect, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, the actual corresponding relation of the described transmitted power according to described twisted pair signal and SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtains and the immediate desirable corresponding relation of described actual corresponding relation, comprises,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
In conjunction with first aspect, in the implementation that the second of first aspect is possible,
Described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, the actual corresponding relation of the described transmitted power according to described twisted pair signal and SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtains and the immediate desirable corresponding relation of described actual corresponding relation, comprises,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
In conjunction with first aspect or the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the third possible implementation of first aspect, described method also comprises: according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
In conjunction with first aspect or the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the 4th kind of possible implementation of first aspect, described method also comprises,
When described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
Second aspect, provides a kind of equipment identifying twisted-pair type, comprising:
Detecting unit, for detecting the length of twisted-pair feeder, and by the length transmission of described twisted-pair feeder to determining unit;
Transmitting element, for sending at least three signals on described twisted-pair feeder, wherein, in described at least three signals, the transmitted power of any two signals is different;
Acquiring unit, for the signal to noise ratio snr of at least three signals described in obtaining;
Analytic unit, for according to the transmitted power of described at least three signals and the SNR of described at least three signals, obtains the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method;
Determining unit, for according to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder, wherein, the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder is comprised in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
In conjunction with second aspect, in the first possible implementation of second aspect, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described determining unit specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
In conjunction with second aspect, in the implementation that the second of second aspect is possible, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described determining unit specifically for:
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
In conjunction with second aspect or the first possible implementation of second aspect or the possible implementation of the second of second aspect, in the third possible implementation of second aspect, described equipment also comprises,
Dispensing unit, for according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
In conjunction with second aspect or the first possible implementation of second aspect or the possible implementation of the second of second aspect, in the 4th kind of possible implementation of second aspect, described equipment also comprises,
Dispensing unit, for when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
The third aspect, provides a kind of network equipment, comprising:
Ethernet port, for connecting described twisted-pair feeder;
Ethernet physical layer (English: physical layer, to be called for short PHY) chip, for detecting the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and wherein, in described at least three signals, the transmitted power of any two signals is different; The signal to noise ratio snr of at least three signals described in acquisition;
Processor, for according to the transmitted power of described at least three signals and the SNR of described at least three signals, obtains the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder;
Memory, by storage presetting database, wherein, comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
In conjunction with the third aspect, in the first possible implementation of the third aspect, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope, accordingly, described processor specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
In conjunction with the third aspect, in the implementation that the second of the third aspect is possible, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope, accordingly, described processor specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
In conjunction with the third aspect or the first possible implementation of the third aspect or the possible implementation of the second of the third aspect, in the third possible implementation of the third aspect, described processor also for, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
In conjunction with the third aspect or the first possible implementation of the third aspect or the possible implementation of the second of the third aspect, in the 4th kind of possible implementation of the third aspect, described processor also for, when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
The invention provides a kind of method and apparatus identifying twisted-pair type, by detecting the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and in these at least three signals, the transmitted power of any two signals is different; Then the signal to noise ratio snr of at least three signals described in obtaining; And according to the transmitted power of these at least three signals and the SNR of these at least three signals, obtain the transmitted power of this twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to this actual corresponding relation, and the length of this twisted-pair feeder, the database that inquiry is preset, because comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of twisted-pair feeder in this database preset, this desirable corresponding relation is the function between the transmitted power of signal and SNR, so, the type of this twisted-pair feeder can be determined.Realize the type identifying the twisted-pair feeder connected automatically, improve the efficiency and accuracy that identify twisted-pair type.Overcome twisted-pair type recognition efficiency very low and there is the defect of error.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of schematic diagram identifying the method for twisted-pair type that Fig. 1 provides for the embodiment of the present invention;
A kind of apparatus structure schematic diagram identifying the equipment of twisted-pair type that Fig. 2 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of the equipment of the another kind identification twisted-pair type that Fig. 3 provides for the embodiment of the present invention;
The apparatus structure schematic diagram of a kind of network equipment that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment one
The embodiment of the present invention one provides a kind of method identifying twisted-pair type, and see Fig. 1, the method can comprise:
101, the length of the equipment Inspection twisted-pair feeder of twisted-pair type is identified;
Wherein, the equipment of identification twisted-pair type can be the network equipment with twisted pair line connection.
Twisted-pair feeder can for being connected to any one twisted-pair feeder on the network equipment;
The length of twisted-pair feeder can be designated as L, identifies that the equipment of twisted-pair type can detect the length L that (English: Virtual Cable Test, to be called for short VCT) Function detection goes out twisted-pair feeder by virtual cable.The principle utilizing the time interval between transmitted pulse and reflected impulse and length of cable to be directly proportional, determine that the length L of cable is:
wherein v is the speed that pulse is propagated in cable, and △ t sends transmitted pulse to the duration received between reflected impulse.
102, identify that the equipment of twisted-pair type sends at least three signals on the twisted-pair, wherein, in described at least three signals, the transmitted power of any two signals is different;
103, identify the equipment of twisted-pair type obtain described in the SNR of each signal at least three signals;
Wherein, when this length is the transmitted power P difference of the signal that the twisted-pair feeder of L transmits, this signal SNR also different, wherein, for each signal, the signal after this signal reflex can be received, the received power of this signal after detection of reflected and noise, and calculate the SNR of this signal by the ratio meter of received power and noise.
The transmitted power of each signal at least three signals and the SNR of these three signals is obtained by said method.For example, altogether send n signal, n be more than or equal to 3 integer.Identify that the transmitted power of each signal and the SNR of this signal are designated as one group of data by the equipment of twisted-pair type: (x
i, y
i), wherein, x
ibe the transmitted power of i-th signal, y
ibe i-th signal SNR, i is any one positive integer in 1 to n.
104, the transmitted power of equipment according at least three signals and the SNR of these at least three signals of twisted-pair type is identified, (English: simple linear regression) method obtains the transmitted power of twisted pair signal and the actual corresponding relation of SNR by simple linear regression;
Such as, least square method can be used to the function expression of the actual corresponding relation of the transmitted power and SNR that obtain this twisted pair signal; Such as, the function expression of the actual corresponding relation of acquisition can be y=a+bx, and wherein, y refers to the SNR of signal, and x refers to the transmitting power of signal, and a, b are real number, and wherein b is slope.
Also the function expression of the actual corresponding relation of transmitted power and SNR can be obtained by other simple linear regression methods.
105, identify the actual corresponding relation of equipment according to the transmitted power of twisted pair signal and SNR of twisted-pair type, and the length of twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of twisted-pair feeder, wherein, the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder is comprised in the database preset, this desirable corresponding relation is the function between the transmitted power of signal and SNR.
Wherein, the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder is comprised in said default database in above-mentioned steps, can refer in the database preset, comprise the desirable corresponding relation that length equals polytype twisted-pair feeder of the length of described twisted-pair feeder, also can refer to that comprising length in the database preset is the desirable corresponding relation with polytype twisted-pair feeder of the immediate length of described twisted-pair feeder.
The desirable corresponding relation of dissimilar twisted-pair feeder under different length can be comprised in the database preset, can in table form or other forms be stored in identify twisted-pair type equipment in, or be stored in other memory devices be connected with the equipment of this identification twisted-pair type, as long as ensure that the equipment of this identification twisted-pair type can get this default database.
Such as, 4 classes that length is L are comprised (English: Category4 in the database preset, referred to as CAT4) the desirable corresponding relation of twisted-pair feeder, length is that 5 classes of L are (English: Category5, referred to as CAT5) the desirable corresponding relation of twisted-pair feeder, length be L to surpass 5 classes (English: EnhancedCat5, referred to as CAT5e) the desirable corresponding relation of twisted-pair feeder, length is that 6 classes of L are (English: Category6, referred to as CAT6) the desirable corresponding relation of twisted-pair feeder, length is that enhancing 6 class of L is (English: Augmented Category6, referred to as CAT6a) the desirable corresponding relation of twisted-pair feeder, length is that the F class of L is (English: Class F) the desirable corresponding relation of twisted-pair feeder and length are that the enhancing F class of L is (English: Augmented Class F, referred to as Class F
a) the desirable corresponding relation of twisted-pair feeder.The desirable corresponding relation of above-mentioned various types of twisted-pair feeder is the function between the transmitted power of signal and SNR, is generally linear function, and in this database, this linear function can represent with the slope of this linear function and intercept.
In the database preset, the desirable corresponding relation of transmitted power and SNR can represent with the form of the parameter of linear function.Such as, see table 1, be a kind of default database, in this presetting database, contain different length (L
1~ L
q) the respectively corresponding transmitted power of m class twisted pair signal and the parameter of the ideal linearity function of SNR and the optimized parameter of m class twisted-pair feeder.
Table 1
See table 1, such as: a
12, b
12expression length is L
1, the parameter of the linear function of the transmitted power of the 2nd class twisted pair signal and the desirable corresponding relation of SNR, such as, this linear function can be f
12(x)=a
12+ b
12x; Parameter
12length is L
1, the configurable optimized parameter of the 2nd class twisted-pair feeder.
Wherein, L
1~ L
qthe interval △ L of any two immediate length can value arbitrarily according to actual needs, and the present invention does not specifically limit this.
Preferably, the database preset can also comprise: the optimized parameter of dissimilar twisted-pair feeder under different length; Wherein, described parameter can include but not limited to transmitted power, preemphasis, equilibrium, the amplitude of oscillation etc.; The type of the embodiment of the present invention to parameter does not specifically limit, and can be configured according to actual needs.
Below the mode obtained with the immediate desirable corresponding relation of actual corresponding relation is briefly described, specifically realizes by any one mode in following manner.
The first implementation, can comprise:
1, according to the length of described twisted-pair feeder, the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding is obtained;
Wherein, if there is L in the database preset
i, and L
i=L, then obtaining length in default database is L
i, the corresponding transmitted power of all kinds of twisted-pair feeders and the desirable correspondence set of SNR can be { f
i1(x), f
i2(x) ... f
im(x) };
If all length is all not equal to L in the database preset, then obtain length and L in default database
jdiffer minimum length L
j, the corresponding transmitted power of all kinds of twisted-pair feeders and the desirable correspondence set of SNR can be { f
j1(x), f
j2(x) ... fj
im(x) }.
2, select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
Such as, { f
j1(x), f
j2(x) ... fj
im(x) } middle f
j1(x), f
j2x the intercept of () differs minimum with the intercept of actual corresponding relation, then select f
j1(x), f
j2(x).
3, the slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
Such as, the f will selected
j1(x), f
j2x the slope of () compares with the slope of actual corresponding relation, respectively if determine f
j1x the slope of () compares f with the difference of the slope of actual corresponding relation
j2x the difference of the slope of () and the slope of actual corresponding relation is little, then by f
j1x () is defined as the immediate desirable corresponding relation with actual corresponding relation.
It should be noted that, the slope of above-mentioned desirable corresponding relation and the slope ratio of actual corresponding relation compared with mode also can be realized by the size comparing ratio, do not affect the realization of the object of the invention, the embodiment of the present invention does not limit this.
The second implementation, can comprise:
1, according to the length of described twisted-pair feeder, the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding is obtained;
Wherein, if there is L in the database preset
i, and L
i=L, then obtaining length in default database is L
i, the corresponding transmitted power of all kinds of twisted-pair feeders and the desirable correspondence set of SNR can be { f
i1(x), f
i2(x) ... f
im(x) };
If all length is all not equal to L in the database preset, then obtain length and L in default database
jdiffer minimum length L
j, the corresponding transmitted power of all kinds of twisted-pair feeders and the desirable correspondence set of SNR can be { f
j1(x), f
j2(x) ... fj
im(x) }.
2, the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation is obtained;
3, the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation is obtained;
4, described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtain the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for best described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
Such as, the difference of the intercept of the intercept of a desirable corresponding relation in described desirable correspondence set and described actual corresponding relation can be multiplied by the first weight and obtain the first adjusted value, absolute value is asked after the ratio of the slope of the slope of this desirable corresponding relation and described actual corresponding relation is deducted 1, then be multiplied by the second weight and obtain the second adjusted value, using the first adjusted value and the second adjusted value and as described comprehensive index value.When adopting this comprehensive index value, best comprehensive index value is minimum comprehensive index value.
Further, according to the method described in the first implementation above-mentioned or the second implementation, finally can obtain two or more desirable corresponding relations and meet the above-mentioned condition closest to actual corresponding relation simultaneously, one of them desirable corresponding relation then can be selected arbitrarily as immediate desirable corresponding relation, and twisted-pair type corresponding for this immediate desirable corresponding relation is defined as the type of described twisted-pair feeder.Interchangeable, outside at least three signals that also can send before this, send at least one signal more in addition, and obtain corresponding SNR, namely increase at least one group of sampled value again, utilize the simple linear regression method described in step 104, again a new actual corresponding relation is obtained according to original and newly-increased sampled value, adopt the first implementation above-mentioned or the method described in the second implementation, obtain and the immediate desirable corresponding relation of this new actual corresponding relation, and twisted-pair type corresponding for this immediate desirable corresponding relation is defined as the type of described twisted-pair feeder.
Optionally, the method can also comprise: according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection;
Or, only when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, just according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
Wherein, judge twisted-pair feeder whether meet the port standard of the ethernet port of twisted pair line connection according to being the type of twisted-pair feeder, or be the type of twisted-pair feeder and the length L of twisted-pair feeder.
Such as, the port of the ethernet port of twisted pair line connection is 10GBase-T type, 10GBase-T can support that length is less than or equal to the 6 class unshielded twisted pairs (English: Category6unshieldedtwisted pair of 55 meters, referred to as CAT6UTP), also can support that length is less than or equal to the 6 type shielding twisted-pair feeders (English: Category6shielded twisted pair, referred to as CAT6STP) of 100 meters.If identify, the recognition of devices of twisted-pair type goes out this twisted-pair feeder is the CAT6STP that length is less than or equal to that the CAT6UTP of 55 meters or length are less than or equal to 100 meters, then twisted-pair feeder meets the port standard of the ethernet port of twisted pair line connection.Interchangeable, twisted-pair feeder due to common manufacturers produce always meets length requirement, judge twisted-pair feeder whether meet the port standard of the ethernet port of twisted pair line connection according to the length can not considering twisted-pair feeder.Even identifying that the recognition of devices of twisted-pair type goes out this twisted-pair feeder is CAT6UTP, CAT6STP or higher standard (such as CAT6a, Class F, Class F
a) twisted-pair feeder, then twisted-pair feeder meets the port standard of the ethernet port of twisted pair line connection.
Optionally, the method also comprises: if twisted-pair feeder does not meet the port standard of the ethernet port of twisted pair line connection, identifies the equipment alarm of twisted-pair type.
Wherein, mode the present embodiment of alarm does not specifically limit, such as, can by sending message, indicator light glimmers, display prompts, the forms such as loudspeaker sound alarm.
The invention provides a kind of method and apparatus identifying twisted-pair type, by detecting the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and in these at least three signals, the transmitted power of any two signals is different; Then the signal to noise ratio snr of at least three signals described in obtaining; And according to the transmitted power of these at least three signals and the SNR of these at least three signals, obtain the transmitted power of this twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to this actual corresponding relation, and the length of this twisted-pair feeder, the database that inquiry is preset, because comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of twisted-pair feeder in this database preset, this desirable corresponding relation is the function between the transmitted power of signal and SNR, so, the type of this twisted-pair feeder can be determined.Realize the type identifying the twisted-pair feeder connected automatically, improve the efficiency and accuracy that identify twisted-pair type.Overcome twisted-pair type recognition efficiency very low and there is the defect of error.
Embodiment two
The present embodiment provides a kind of equipment 20 identifying twisted-pair type, and see Fig. 2, this equipment 20 can comprise:
Detecting unit 201, for detecting the length of twisted-pair feeder, and by the length transmission of described twisted-pair feeder to determining unit 205;
Transmitting element 202, for sending at least three signals on described twisted-pair feeder, wherein, in described at least three signals, the transmitted power of any two signals is different;
Acquiring unit 203, for the signal to noise ratio snr of at least three signals described in obtaining;
Analytic unit 204, for according to the transmitted power of described at least three signals and the SNR of described at least three signals, obtains the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method;
Determining unit 205, for according to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder, wherein, the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder is comprised in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
Further, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described determining unit 205 specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
Or, described determining unit 205 specifically for:
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
Further, see Fig. 3, identify that the equipment 20 of twisted-pair type can also comprise,
Dispensing unit 206, for according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection;
Or, for when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
It should be noted that, judge that the method that the port standard whether twisted-pair feeder meets the ethernet port of twisted pair line connection adopts is described in detail in embodiment of the method, the present embodiment no longer repeats at this.
Optionally, this equipment 20 can also comprise Alarm Unit, for the alarm when described twisted-pair feeder does not meet the port standard of the ethernet port of described twisted pair line connection.
The embodiment of the present invention provides a kind of equipment 20 identifying twisted-pair type, by detecting the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and in these at least three signals, the transmitted power of any two signals is different; Then the signal to noise ratio snr of at least three signals described in obtaining; And according to the transmitted power of these at least three signals and the SNR of these at least three signals, obtain the transmitted power of this twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to this actual corresponding relation, and the length of this twisted-pair feeder, the database that inquiry is preset, because comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of twisted-pair feeder in this database preset, this desirable corresponding relation is the function between the transmitted power of signal and SNR, so, the type of this twisted-pair feeder can be determined.Realize the type identifying the twisted-pair feeder connected automatically, improve the efficiency and accuracy that identify twisted-pair type.Overcome twisted-pair type recognition efficiency very low and there is the defect of error.
Embodiment three
The present embodiment provides a kind of network equipment 40, and see Fig. 4, this network equipment 40 can comprise:
At least one ethernet PHY chip 401; Memory 402; Ethernet port 403, processor 404, at least one communication bus 405, for realizing connection between these devices and intercoming mutually;
Ethernet port 403, for connecting described twisted-pair feeder, is the ethernet port corresponding with ethernet PHY chip 401, and ethernet PHY chip 401 can send signal etc. by this ethernet port 403.
Memory 402 can be that (English: volatile memory), such as (English: random-access memory, abridges: RAM) random access memory volatile memory; Or nonvolatile memory is (English: non-volatile memory), such as read-only memory is (English: read-only memory, abbreviation: ROM), flash memory is (English: flash memory), hard disk is (English: hard disk drive, abbreviation: HDD) or solid state hard disc (English: solid-statedrive, abbreviation: SSD); Or the combination of the memory of mentioned kind.
Processor 404 may be a central processing unit (English: central processing unit, referred to as CPU).
Wherein, ethernet PHY chip 401 for: detect the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and wherein, in described at least three signals, the transmitted power of any two signals is different; The signal to noise ratio snr of at least three signals described in acquisition;
Processor 404 for, according to the transmitted power of described at least three signals and the SNR of described at least three signals, obtain the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder;
Memory 402, for storing presetting database, comprises the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder in wherein said default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
Further, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described processor 404 specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
Or, described processor 404 specifically for:
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
Further, processor 404 can also be used for,
According to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection;
Or, when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
Optionally, the described network equipment 40 also comprises,
Loud speaker or display or indicator light, alarm for not meeting the port standard of described twisted pair line connection ethernet port at described twisted-pair feeder.
The embodiment of the present invention provides a kind of network equipment 40, by detecting the length of twisted-pair feeder; Described twisted-pair feeder sends at least three signals, and in these at least three signals, the transmitted power of any two signals is different; The network channel transmission signal to noise ratio snr of at least three signals described in then obtaining; And according to the transmitted power of these at least three signals and the SNR of these at least three signals, obtain the transmitted power of this twisted pair signal and the actual corresponding relation of SNR by simple linear regression method; According to this actual corresponding relation, and the length of this twisted-pair feeder, the database that inquiry is preset, because comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of twisted-pair feeder in this database preset, this desirable corresponding relation is the function between the transmitted power of signal and SNR, so, the type of this twisted-pair feeder can be determined.Realize the type identifying the twisted-pair feeder connected automatically, improve the efficiency and accuracy that identify twisted-pair type.Overcome twisted-pair type recognition efficiency very low and there is the defect of error.
Through the above description of the embodiments, those skilled in the art can be well understood to, for convenience and simplicity of description, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, the internal structure by device is divided into different functional modules, to complete all or part of function described above.The specific works process of the device of foregoing description, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described module or unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another device can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit can adopt the form of the functional unit of software and hardware combining to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a read/write memory medium.Based on such understanding, the all or part of of technical solution of the present invention can embody with the form of software product, this software product is stored in storage medium, comprise some instructions in order to make equipment (can be single-chip microcomputer, chip etc.) or processor (English: all or part of step processor) performing method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory are (English: read-only memory, referred to as ROM), random access memory (English: random-access memory, referred to as RAM), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (10)
1. identify a method for twisted-pair type, it is characterized in that, comprising:
Detect the length of twisted-pair feeder;
Described twisted-pair feeder sends at least three signals, and wherein, in described at least three signals, the transmitted power of any two signals is different;
The signal to noise ratio snr of each signal at least three signals described in acquisition;
According to the SNR of each signal in the transmitted power of each signal in described at least three signals and described at least three signals, obtain the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method;
According to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder, wherein, comprise the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
2. the method for identification twisted-pair type according to claim 1, is characterized in that, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, the actual corresponding relation of the described transmitted power according to described twisted pair signal and SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtains and the immediate desirable corresponding relation of described actual corresponding relation, comprises,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
3. the method for identification twisted-pair type according to claim 1, is characterized in that,
Described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, the actual corresponding relation of the described transmitted power according to described twisted pair signal and SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtains and the immediate desirable corresponding relation of described actual corresponding relation, comprises,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are processed, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for best described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
4. the method for the identification twisted-pair type according to any one of claim 1-3, is characterized in that, described method also comprises: according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
5. the method for the identification twisted-pair type according to any one of claim 1-3, is characterized in that, described method also comprises,
When described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
6. identify an equipment for twisted-pair type, it is characterized in that, comprising:
Detecting unit, for detecting the length of twisted-pair feeder, and by the length transmission of described twisted-pair feeder to determining unit;
Transmitting element, for sending at least three signals on described twisted-pair feeder, wherein, in described at least three signals, the transmitted power of any two signals is different;
Acquiring unit, for the signal to noise ratio snr of at least three signals described in obtaining;
Analytic unit, for according to the transmitted power of described at least three signals and the SNR of described at least three signals, obtains the transmitted power of described twisted pair signal and the actual corresponding relation of SNR by simple linear regression method;
Determining unit, for according to the transmitted power of described twisted pair signal and the actual corresponding relation of SNR, and the length of described twisted-pair feeder, the database that inquiry is preset, obtain and the immediate desirable corresponding relation of described actual corresponding relation, the twisted-pair type corresponding with the immediate desirable corresponding relation of described actual corresponding relation is defined as the type of described twisted-pair feeder, wherein, the desirable corresponding relation that length is polytype twisted-pair feeder of the length of described twisted-pair feeder is comprised in described default database, described desirable corresponding relation is the function between the transmitted power of signal and SNR.
7. the equipment of identification twisted-pair type according to claim 6, is characterized in that, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described determining unit specifically for,
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Select to differ two minimum desirable corresponding relations with the intercept of described actual corresponding relation in described desirable correspondence set;
The slope intercept of described and actual corresponding relation being differed minimum two desirable corresponding relations respectively with the slope ratio of described actual corresponding relation comparatively, be defined as desirable corresponding relation immediate with described actual corresponding relation by with the desirable corresponding relation that the slope of described actual corresponding relation differs minimum.
8. the equipment of identification twisted-pair type according to claim 6, is characterized in that, described actual corresponding relation and described desirable corresponding relation are the linear relationship represented by intercept and slope;
Accordingly, described determining unit specifically for:
According to the length of described twisted-pair feeder, obtain the transmitted power of dissimilar twisted pair signal and the desirable correspondence set of SNR that in described default database, length that is equal with the length of described twisted-pair feeder or that differ minimum is corresponding;
Obtain the difference of the intercept of each desirable corresponding relation in described desirable correspondence set and the intercept of described actual corresponding relation;
Obtain the ratio of the slope of each desirable corresponding relation in described desirable correspondence set and the slope of described actual corresponding relation;
Described difference that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding and described ratio are carried out certain process, obtains the comprehensive index value that in described desirable correspondence set, described in each, desirable corresponding relation is corresponding;
Described desirable corresponding relation corresponding for minimum described comprehensive index value is defined as desirable corresponding relation immediate with described actual corresponding relation.
9. the equipment of the identification twisted-pair type according to any one of claim 6-8, is characterized in that, described equipment also comprises,
Dispensing unit, for according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
10. the equipment of the identification twisted-pair feeder according to claim 6-8 any one, is characterized in that, described equipment also comprises,
Dispensing unit, for when described twisted-pair feeder meets the port standard of the ethernet port of described twisted pair line connection, according to the type of described twisted-pair feeder and length to the ethernet port configuration parameter of described twisted pair line connection.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215612A1 (en) * | 2016-06-16 | 2017-12-21 | 中兴通讯股份有限公司 | Data transmission processing method and apparatus, and data transmission system |
| CN114912292A (en) * | 2022-06-09 | 2022-08-16 | 一汽解放汽车有限公司 | Twisted pair pre-twisting blanking length determination method and device and computer equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837488A (en) * | 1988-05-06 | 1989-06-06 | Ncr Corporation | Portable identifier and tester units for computer communication cables |
| US5436555A (en) * | 1994-06-09 | 1995-07-25 | Fluke Corporation | LAN cable identifier for testing local area network cables |
| KR20030037803A (en) * | 2001-11-06 | 2003-05-16 | 엘지전자 주식회사 | Message Exchanging Method between Cable Modem and Cable Modem Termination System |
| CN101345553A (en) * | 2006-12-19 | 2009-01-14 | 美国博通公司 | Cable diagnosis system, method and system for configuring Ethernet port |
| CN102750612A (en) * | 2012-05-31 | 2012-10-24 | 华为技术有限公司 | Optical cable distinguishing method and server |
| CN102751602A (en) * | 2012-06-27 | 2012-10-24 | 华为技术有限公司 | E1 cable connector, cable type detection circuit board and method |
-
2013
- 2013-09-30 CN CN201310463589.4A patent/CN104518819B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837488A (en) * | 1988-05-06 | 1989-06-06 | Ncr Corporation | Portable identifier and tester units for computer communication cables |
| US5436555A (en) * | 1994-06-09 | 1995-07-25 | Fluke Corporation | LAN cable identifier for testing local area network cables |
| KR20030037803A (en) * | 2001-11-06 | 2003-05-16 | 엘지전자 주식회사 | Message Exchanging Method between Cable Modem and Cable Modem Termination System |
| CN101345553A (en) * | 2006-12-19 | 2009-01-14 | 美国博通公司 | Cable diagnosis system, method and system for configuring Ethernet port |
| CN102750612A (en) * | 2012-05-31 | 2012-10-24 | 华为技术有限公司 | Optical cable distinguishing method and server |
| CN102751602A (en) * | 2012-06-27 | 2012-10-24 | 华为技术有限公司 | E1 cable connector, cable type detection circuit board and method |
Non-Patent Citations (1)
| Title |
|---|
| 余光华: "高校网络综合布线中传输介质的研究与探讨", 《科技创新导报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017215612A1 (en) * | 2016-06-16 | 2017-12-21 | 中兴通讯股份有限公司 | Data transmission processing method and apparatus, and data transmission system |
| CN114912292A (en) * | 2022-06-09 | 2022-08-16 | 一汽解放汽车有限公司 | Twisted pair pre-twisting blanking length determination method and device and computer equipment |
| CN114912292B (en) * | 2022-06-09 | 2024-06-04 | 一汽解放汽车有限公司 | Method and device for determining blanking length of twisted pair before twisting and computer equipment |
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|---|---|
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Effective date of registration: 20211222 Address after: 450046 Floor 9, building 1, Zhengshang Boya Plaza, Longzihu wisdom Island, Zhengdong New Area, Zhengzhou City, Henan Province Patentee after: xFusion Digital Technologies Co., Ltd. Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen Patentee before: HUAWEI TECHNOLOGIES Co.,Ltd. |