CN101499822A - Outputting power regulating system and method for terminal port on Ethernet switch - Google Patents
Outputting power regulating system and method for terminal port on Ethernet switch Download PDFInfo
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- CN101499822A CN101499822A CNA2009101058687A CN200910105868A CN101499822A CN 101499822 A CN101499822 A CN 101499822A CN A2009101058687 A CNA2009101058687 A CN A2009101058687A CN 200910105868 A CN200910105868 A CN 200910105868A CN 101499822 A CN101499822 A CN 101499822A
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Abstract
The invention discloses an adjusting system of output power of ports on an Ethernet switch and a method thereof. The system comprises a virtual cable test module, a relation table module of cable length values and pre-emphasis multiple values and a pre-emphasis readjusting module, wherein the virtual cable test module is used for carrying out length measurement for inserted cables and sending the obtained cable length values by measurement to the relation table module of cable length values and pre-emphasis multiple values; the relation table module of cable length values and pre-emphasis multiple values is used for searching corresponding pre-emphasis multiple values in a relation table of cable length values and pre-emphasis multiple values according to the cable length values and sending the pre-emphasis multiple values to the pre-emphasis readjusting module; and the pre-emphasis readjusting module is used for carrying out adjusting and output to output power of ports according to the pre-emphasis multiple values. The invention overcomes the problems that the output power of the ports of the switch surpasses power needed actually so as to cause that the power is wasted and the electrical power consumption is increased.
Description
Technical field
The present invention relates to the Ethernet field, refer more particularly to the Adjustment System and the method for the port power output of Ethernet switch.
Background technology
Development along with information technology, the power consumption of computer and communication apparatus increases sharply, total power consumption of China's IT product in 2007 reaches 30,000,000,000～50,000,000,000 kilowatt hours, almost be equivalent to the generating total amount in 1 year in power station, Three Gorges, wherein having is network equipment consumption greatly, and the power consumption that therefore reduces communication apparatus is the technology trends of communication apparatus.
The technology of using is at present, the cable of different length inserts the port of Ethernet switch, its port power output is identical, because stub cable also needs port output very high-power unlike long cable, so if the switch ports themselves insertion is stub cable, then the high-power output of port is kind of a waste to a great extent, and power consumption is increased.
Summary of the invention
Technical problem to be solved by this invention is to have overcome switch ports themselves output and surpassed the power of actual needs, and caused the problem of power dissipation, power consumption increase.
For solving the problems of the technologies described above, the present invention proposes the port outputting power regulating system on a kind of Ethernet switch, comprise virtual cable test module, preemphasis adjusting module and cable length value and preemphasis value relation table module, wherein:
Described virtual cable test module is used for the cable that inserts is carried out linear measure longimetry, and the cable length value that measures is sent to described cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are used for according to described cable length value, search the corresponding pre-emphasis value in cable length value and preemphasis value relation table, and described preemphasis value is sent to described preemphasis adjusting module;
Described preemphasis adjusting module is used for according to described preemphasis value the power output of port being adjusted output.
Described cable length value and preemphasis value relation table module comprise cable length value and preemphasis value relation table, and described preemphasis value relation table is used to store the corresponding relation of cable length value and preemphasis value.
Described cable length value is corresponding one by one with the preemphasis value, and proportional.
Described cable length value and preemphasis value relation table comprise two adjacent length value intervals: the interval and second length value interval of first length value;
The corresponding relation of described cable length value and preemphasis value is, the all corresponding described first preemphasis value of arbitrary length value in the described first length value interval, the all corresponding described second preemphasis value of arbitrary length value in the described second length value interval, wherein, less than the arbitrary length value in the described second length value interval, the described first preemphasis value is less than the described second preemphasis value at arbitrary length value in the described first length value interval.
Is fixed value in the minimum length value in the described second length value interval with difference in the minimum length value in the described first length value interval.
The input of described preemphasis adjusting module is the preemphasis value, and output is the power output of port, and the power output of described preemphasis value and port is corresponding, proportional one by one.
In addition, the invention allows for the port power output method of adjustment on a kind of Ethernet switch, comprise
The virtual cable test module carries out linear measure longimetry to the cable that inserts, and the cable length value that measures is sent to cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are searched the corresponding pre-emphasis value, and described preemphasis value are sent to the preemphasis adjusting module according to the cable length value that receives in cable length value and preemphasis value relation table;
Described preemphasis adjusting module is adjusted output according to described preemphasis value to the power output of port.
At the virtual cable test module cable that inserts is carried out also comprising before the linear measure longimetry, judge whether institute's cable that inserts is complementary with ethernet switch port, if mate the execution subsequent step, does not match, and does not carry out any operation.
Compared with prior art, the present invention is by being associated cable length, preemphasis value, power output, thereby makes the ethernet switch port can be according to the different different power of cable length value output, thereby reduced unnecessary power output greatly
Description of drawings
Fig. 1 is the Adjustment System schematic diagram of the port power output of Ethernet switch of the present invention.
Fig. 2 is the method for adjustment flow chart of the port power output of Ethernet switch of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in detail:
Ethernet switch equipment comprises port driver PHY chip, the PHY chip comprises virtual cable test module and preemphasis adjusting module, the present invention is by utilizing the function of these two modules, cable length, preemphasis value, power output are associated, obtain the relation of cable length and power output, thereby make system can adjust the size of power output, effectively reduced the waste of power according to the cable length value.
Fig. 1 is the Adjustment System schematic diagram of the port power output of Ethernet switch of the present invention, and this system comprises virtual cable test module, preemphasis adjusting module, cable length value and preemphasis value relation table module, wherein:
Described virtual cable test module is used for the cable that inserts is carried out linear measure longimetry, and the cable length value that measures is sent to described cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are used for according to described cable length value, search the corresponding pre-emphasis value in cable length value and preemphasis value relation table, and described preemphasis value is sent to described preemphasis adjusting module;
Described preemphasis adjusting module is used for according to described preemphasis value the power output of port being adjusted output.
Cable length value and preemphasis value relation table chamber actual measurement by experiment obtain, select typical cable length (5m, 10m, 20m.....90m, 100m), reach surface speed forwarding when measuring-signal transmits respectively and not under the situation of packet loss in the cable of different length, pairing preemphasis value has generated relation table between length value and the preemphasis value by these data.
Described cable length value (Length) is corresponding one by one with preemphasis value (Pre-Emphasis), and proportional.As table 1, the corresponding preemphasis value of each cable length value, and satisfy
Length value L
1＜L
2＜...＜L
N-1＜L
NWith preemphasis value PE
1＜PE
2＜...＜PE
N-1＜PE
N
Table 1
| The cable length value | The preemphasis value |
| L 1 | PE 1 |
| L 2 | PE 2 |
| … | … |
| L N-1 | PE N-1 |
| L N | PE N |
Because in a cable length interval, its signal transmission desired power changes little, according to actual measurement, can cable length values all in the interval is corresponding with a preemphasis value, as table 2, in the present embodiment, every 20m is divided into an interval.
According to the power output of the accurate control port of length value, can do a large amount of actual measurements if desired, so that length of interval can be divided is littler.Because length value and preemphasis value are not linear relationships, also can make the refinement branch to a certain segment length, thus the size of better control port power output.
Table 2
| The cable length interval | The preemphasis value |
| 0～20m | PE 1 |
| 21～40m | PE 2 |
| … | … |
| 61～80m | PE N-1 |
| 81～100m | PE N |
The input of described preemphasis adjusting module is the preemphasis value, and output is the power output of port, and the power output of described preemphasis value and port is corresponding, proportional one by one, promptly satisfies:
Preemphasis value PE
1＜PE
2＜...＜PE
N-1＜PE
NAnd power P
1＜P
2＜...＜P
N-1＜P
N
By cable length value and the preemphasis value relation table that sets in advance, can obtain the relation of cable length value and power output, promptly when the cable length value was big more, the power of its port output was big more.
Fig. 2 is the method for adjustment flow chart of the port power output of Ethernet switch of the present invention, and as seen, this method comprises
Judge whether institute's cable that inserts is complementary with ethernet switch port, if mate the execution subsequent step, does not match, and does not carry out any operation;
The virtual cable test module carries out linear measure longimetry to the cable that inserts, and the cable length value that measures is sent to cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are searched the corresponding pre-emphasis value, and described preemphasis value are sent to the preemphasis adjusting module according to the cable length value that receives in cable length value and preemphasis value relation table;
Described preemphasis adjusting module is adjusted output according to described preemphasis value to the power output of port.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1, the port outputting power regulating system on a kind of Ethernet switch comprises virtual cable test module and preemphasis adjusting module, it is characterized in that, described port outputting power regulating system also comprises cable length value and preemphasis value relation table module, wherein:
Described virtual cable test module is used for the cable that inserts is carried out linear measure longimetry, and the cable length value that measures is sent to described cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are used for according to described cable length value, search the corresponding pre-emphasis value in cable length value and preemphasis value relation table, and described preemphasis value is sent to described preemphasis adjusting module;
Described preemphasis adjusting module is used for according to described preemphasis value the power output of port being adjusted output.
2, according to the described system of claim 1, it is characterized in that, described cable length value and preemphasis value relation table module comprise cable length value and preemphasis value relation table, and described preemphasis value relation table is used to store the corresponding relation of cable length value and preemphasis value.
According to the described system of claim 2, it is characterized in that 3, described cable length value is corresponding one by one with the preemphasis value, and proportional.
According to the described system of claim 2, it is characterized in that 4, described cable length value and preemphasis value relation table comprise two adjacent length value intervals: the interval and second length value interval of first length value;
The corresponding relation of described cable length value and preemphasis value is, the all corresponding described first preemphasis value of arbitrary length value in the described first length value interval, the all corresponding described second preemphasis value of arbitrary length value in the described second length value interval, wherein, less than the arbitrary length value in the described second length value interval, the described first preemphasis value is less than the described second preemphasis value at arbitrary length value in the described first length value interval.
5, according to the described system of claim 4, it is characterized in that, is fixed value in the minimum length value in the described second length value interval with difference in the minimum length value in the described first length value interval.
According to the described system of claim 1, it is characterized in that 6, the input of described preemphasis adjusting module is the preemphasis value, output is the power output of port, and the power output of described preemphasis value and port is corresponding, proportional one by one.
7, the port power output method of adjustment on a kind of Ethernet switch is characterized in that, comprises
The virtual cable test module carries out linear measure longimetry to the cable that inserts, and the cable length value that measures is sent to cable length value and preemphasis value relation table module;
Described cable length value and preemphasis value relation table module are searched the corresponding pre-emphasis value, and described preemphasis value are sent to the preemphasis adjusting module according to the cable length value that receives in cable length value and preemphasis value relation table;
Described preemphasis adjusting module is adjusted output according to described preemphasis value to the power output of port.
8, in accordance with the method for claim 7, it is characterized in that, the cable that inserts is carried out also comprising before the linear measure longimetry at the virtual cable test module, judge the cable that inserts whether be complementary with ethernet switch port, if coupling is carried out subsequent step, do not match, do not carry out any operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101058687A CN101499822A (en) | 2009-03-04 | 2009-03-04 | Outputting power regulating system and method for terminal port on Ethernet switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101058687A CN101499822A (en) | 2009-03-04 | 2009-03-04 | Outputting power regulating system and method for terminal port on Ethernet switch |
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|---|---|
| CN101499822A true CN101499822A (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101058687A Pending CN101499822A (en) | 2009-03-04 | 2009-03-04 | Outputting power regulating system and method for terminal port on Ethernet switch |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055640A (en) * | 2009-11-02 | 2011-05-11 | 索尼公司 | Data transfer apparatus |
| CN105204559A (en) * | 2015-10-21 | 2015-12-30 | 上海斐讯数据通信技术有限公司 | Automatic adjusting method and system for PHY (physical layer) transceiver driving current |
| CN110891204A (en) * | 2018-08-20 | 2020-03-17 | 广达电脑股份有限公司 | Switch, method for identifying cable matching state and non-transitory machine readable medium |
| CN114006849A (en) * | 2021-09-28 | 2022-02-01 | 深圳市联洲国际技术有限公司 | Wired connection network quality evaluation method, device, equipment and storage medium |
-
2009
- 2009-03-04 CN CNA2009101058687A patent/CN101499822A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055640A (en) * | 2009-11-02 | 2011-05-11 | 索尼公司 | Data transfer apparatus |
| CN105204559A (en) * | 2015-10-21 | 2015-12-30 | 上海斐讯数据通信技术有限公司 | Automatic adjusting method and system for PHY (physical layer) transceiver driving current |
| CN110891204A (en) * | 2018-08-20 | 2020-03-17 | 广达电脑股份有限公司 | Switch, method for identifying cable matching state and non-transitory machine readable medium |
| CN114006849A (en) * | 2021-09-28 | 2022-02-01 | 深圳市联洲国际技术有限公司 | Wired connection network quality evaluation method, device, equipment and storage medium |
| CN114006849B (en) * | 2021-09-28 | 2023-09-05 | 深圳市联洲国际技术有限公司 | Method, device, equipment and storage medium for evaluating quality of wired connection network |
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Application publication date: 20090805 |