CN107276778A - A kind of method and apparatus of port controlling - Google Patents
A kind of method and apparatus of port controlling Download PDFInfo
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- CN107276778A CN107276778A CN201610209642.1A CN201610209642A CN107276778A CN 107276778 A CN107276778 A CN 107276778A CN 201610209642 A CN201610209642 A CN 201610209642A CN 107276778 A CN107276778 A CN 107276778A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0681—Configuration of triggering conditions
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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of method and apparatus of port controlling, including：Receive the abnormality alarming that equipment is powered, obtain the port information of the equipment, collected according to acquired port information and treat close port, from it is described treat close port in filter out and meet the port of preparatory condition, and the link parameter of each port after screening is obtained, one or more port is closed according to pre-defined rule according to the link parameter.By when receiving alarm abnormal information, the closing for meeting preparatory condition and carrying out control port according to pre-defined rule can be filtered out to the port that equipment is powered in real time in the case of electricity shortage, so as to ensure that the normal of user equipment is used, it is simple to operate, improve maintenance efficiency.
Description
Technical field
The present invention relates to technical field of network management, espespecially a kind of method and apparatus of port controlling.
Background technology
At present, active Ethernet (Power Over Ethernet, abbreviation：POE) be a kind of local area network technology, can by twisted-pair feeder to power receiving equipment (Power Device, referred to as：PD) direct current supply is provided.POE institutes accepted standard is IEEE 802.3af in industry, can be powered the standard specifies power supply unit by Ethernet to power receiving equipment of the power in below 13W.To adapt to high power applications, IEEE started to develop new POE standards 802.3at (POE Plus) to lift the electric power that POE is transmittable in 2005, wherein, reverse power supply function is to meet minimum 250 meters apart from upper decentralized processing unit (Distributed Processing Unit, abbreviation：DPU reverse power supply demand (250 meters of 10W)) during single port normal work, the Ethernet line footpath used is 0.4~0.6mm.Specifically the realization in equipment refers to as PD equipment, coordinate user terminal power end equipment (Power Source Equipment, referred to as：PSE) equipment completes the power supply needed for long-range reverse power supply function works there is provided equipment.
In the prior art, reverse power supply has both of which, and the first is fair powering mode, i.e., all powered per user all the way by PSE to PD, during single channel customer power supply, Jin Ci roads customer service ports open；During multichannel customer power supply, customer service ports open of only powering flows per road customer power supply electric current.Second is friendly user model, and fixed a few direct power supplies of road user one, other users can normally activate the service without power supply.
But, using prior art, when above-mentioned DPU equipment carries out reverse power supply under good friend's user model, if there is electricity shortage, then need a large amount of manual handle failures to ensure that the normal of user equipment is used, complex operation and inefficiency.
The content of the invention
In order to solve the above-mentioned technical problem, the invention provides a kind of method and apparatus for controlling reverse power supply device port, it can automatically process failure to ensure that the normal of user equipment is used in the case of electricity shortage, it is simple to operate, improve maintenance efficiency.
In order to reach the object of the invention, in a first aspect, the embodiment of the present invention provides a kind of method of port controlling, applied to reverse power supply equipment, methods described includes：
Receive the abnormality alarming that equipment is powered；
The port information of the equipment is obtained, is collected according to acquired port information and treats close port；
From it is described treat close port in filter out and meet the port of preparatory condition, and obtain the link parameter of each port after screening；
One or more port is closed according to pre-defined rule according to the link parameter.
In one embodiment, collected according to acquired port information and treat close port, including：
Predetermined supply port is excluded according to acquired port information, the port after the predetermined supply port will be excluded as treating close port.
In one embodiment, from it is described treat close port in filter out and meet the port of preparatory condition, including：
According to the priority-level of default each port in the port information of the equipment, from it is described treat close port in filter out and meet priority-level for low port.
In one embodiment, the link parameter of each port after screening is obtained, including：
Obtain the link setup time and chain rupture time of each port in the given time after screening.
In one embodiment, one or more port is closed according to pre-defined rule according to the link parameter, including：
According to the link setup time and chain rupture time of each port in the given time, use duration of each port within the default time is counted, one or more port that the use duration meets scheduled time threshold value is closed.
In one embodiment, methods described also includes：
The state for the abnormality alarming that the equipment is powered is detected, if without exception, phase down if exception, then continues to close use duration successively within the default time from being short to one or more long port, until to without exception.
The embodiment of the present invention provides a kind of method of port controlling, including：Receive the abnormality alarming that equipment is powered, obtain the port information of the equipment, collected according to acquired port information and treat close port, from it is described treat close port in filter out and meet the port of preparatory condition, and the link parameter of each port after screening is obtained, one or more port is closed according to pre-defined rule according to the link parameter.By when receiving alarm abnormal information, the closing for meeting preparatory condition and carrying out control port according to pre-defined rule can be filtered out to the port that equipment is powered in real time in the case of electricity shortage, so as to ensure that the normal of user equipment is used, it is simple to operate, improve maintenance efficiency.
Second aspect, the embodiment of the present invention provides a kind of device, and applied to reverse power supply equipment, described device includes：Receiving module, collection module, screening module and closedown module；
The receiving module is set to the abnormality alarming that receiving device is powered；
The collection module is set to obtain the port information of the equipment, is collected according to acquired port information and treats close port；
The screening module be set to from it is described treat close port in filter out and meet the port of preparatory condition, and obtain the link parameter of each port after screening；
The closedown module is set to close one or more port according to pre-defined rule according to the link parameter.
In one embodiment, the collection module, which is set to be collected according to acquired port information, treats close port, refers to：
The collection module is set to exclude predetermined supply port according to acquired port information, it is determined that treating close port after excluding.
In one embodiment, the screening module be set to from it is described treat close port in filter out and meet the port of preparatory condition, refer to：
The screening module is set to the priority-level of default each port in the port information according to the equipment, from it is described treat close port in filter out and meet priority-level for low port.
In one embodiment, the screening module is set to obtain the link parameter of each port after screening, refers to：
The screening module is set to obtain the link setup time and chain rupture time of each port in the given time after screening.
In one embodiment, the closedown module is set to close one or more port according to pre-defined rule according to the link parameter, refers to：
The closedown module is set to link setup time and chain rupture time according to each port in the given time, counts use duration of each port within the default time, closes one or more port that the use duration meets scheduled time threshold value.
In one embodiment, described device also includes：Detection module；
The detection module is set to detect the state for the abnormality alarming that the equipment is powered, if without exception, phase down, if exception, then continue to close use duration successively within the default time from being short to one or more long port, until to without exception.
The embodiment of the present invention provides a kind of device of port controlling, including：Receiving module, collection module, screening module and closedown module, receiving module is set to the abnormality alarming that receiving device is powered, collection module is set to obtain the port information of the equipment, collected according to acquired port information and treat close port, screening module be set to from it is described treat close port in filter out and meet the port of preparatory condition, and the link parameter of each port after screening is obtained, closedown module is set to close one or more port according to pre-defined rule according to the link parameter.By when receiving alarm abnormal information, the closing for meeting preparatory condition and carrying out control port according to pre-defined rule can be filtered out to the port that equipment is powered in real time in the case of electricity shortage, so as to ensure that the normal of user equipment is used, it is simple to operate, improve maintenance efficiency.
Other features and advantages of the present invention will be illustrated in the following description, also, is partly become apparent from specification, or is understood by implementing the present invention.The purpose of the present invention and other advantages can be realized and obtained by specifically noted structure in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical solution of the present invention, and constitutes a part for specification, is used to explain technical scheme together with embodiments herein, does not constitute the limitation to technical solution of the present invention.
A kind of schematic flow sheet of the embodiment of the method one for port controlling that Fig. 1 provides for the present invention；
A kind of structural representation of the device embodiment one for port controlling that Fig. 2 provides for the present invention.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, embodiments of the invention are described in detail below in conjunction with accompanying drawing.It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can be mutually combined.
It can be performed the step of the flow of accompanying drawing is illustrated in the computer system of such as one group computer executable instructions.And, although logical order is shown in flow charts, but in some cases, can be with the step shown or described by being performed different from order herein.
The present embodiments relate to method can apply to reverse power supply equipment, for example：Need to be powered the DPU equipment in active Ethernet POE, but be not limited thereto.
The present embodiments relate to method, when aiming to solve the problem that DPU equipment carries out reverse power supply under good friend's user model in the prior art, if there is electricity shortage, then need a large amount of manual handle failures of operation maintenance personnel to ensure that the normal of user equipment is used, the technical problem of complex operation and inefficiency.
Technical scheme is described in detail with specifically embodiment below.These specific embodiments can be combined with each other below, may be repeated no more for same or analogous concept or process in some embodiments.
A kind of schematic flow sheet of the embodiment of the method one for port controlling that Fig. 1 provides for the present invention.The present embodiment refers to the detailed process of reverse power supply device control port closing.As shown in figure 1, this method includes：
S101, receive the abnormality alarming that equipment is powered.
Specifically, the device of the port controlling of reverse power supply equipment in local area network technology POE is receiving the abnormality alarming of DPU equipment electricity shortages, the abnormality alarming can be that the form of word or warning tones provides prompting, but be not limited to this.
S102, the port information for obtaining the equipment, collect according to acquired port information and treat close port.
Specifically, according to the Internet protocol address (IP address) of the abnormality alarming of the equipment, port informations all in DPU equipment can be got, the port information includes IP address, quantity, purposes of port etc., and can be set up according to acquired port information and treat close port list, wherein, need to be removed for the predetermined port being inherently powered, to ensure that the power supply of equipment is normal.
S103, from it is described treat close port in filter out and meet the port of preparatory condition, and obtain the link parameter of each port after screening.
Specifically, the sequence of one priority-level height can be carried out to the port treated in close port list of foundation, the priority-level of this port can be preset according to actual conditions, then priority-level is filtered out for low port according to the priority-level of port, and the link parameter that the priority-level is low each port is obtained, for example：Link setup time and scission of link time of each port etc. in nearest 30 days, but it is not limited to this.
S104, one or more port according to pre-defined rule closed according to the link parameter.
Specifically, determining the frequency of use of each port by the link parameter of the low port of above-mentioned priority level, such as：Calculate the poor summation of port link setup time within the predetermined time and chain rupture time, it can be obtained by use duration of this port in this period, wherein, most short using duration is that port frequency of use is minimum, the minimum port of the frequency of use is closed, can also from it is described treat close port list in remove the port information of closing and be updated, so that follow-up abnormality processing provides convenient.
A kind of method of port controlling provided in an embodiment of the present invention, this method includes：Receive the abnormality alarming that equipment is powered, obtain the port information of the equipment, collected according to acquired port information and treat close port, from it is described treat close port in filter out and meet the port of preparatory condition, and the link parameter of each port after screening is obtained, one or more port is closed according to pre-defined rule according to the link parameter.By when receiving alarm abnormal information, the closing for meeting preparatory condition and carrying out control port according to pre-defined rule can be filtered out to the port that equipment is powered in real time in the case of electricity shortage, so as to ensure that the normal of user equipment is used, it is simple to operate, improve maintenance efficiency.
Further, on the basis of above-described embodiment, collected according to acquired port information and treat close port, including：
Predetermined supply port is excluded according to acquired port information, the port after the predetermined supply port will be excluded as treating close port.
Specifically, according to acquired port information, wherein when reverse power supply pattern is in friendly user model, it is to have predetermined several supply ports to fix to be powered, and other ports then can also be normally carried out business contact in the situation without power supply, when there is abnormal electrical power supply, first need to exclude these predetermined supply ports, the port after the predetermined supply port will be excluded as treating close port.
By the way that predetermined supply port is excluded, on the premise of being provided ensureing business, it is necessary to which a large amount of manual handle failures of operation maintenance personnel ensure that the normal of equipment is used in the case of solving electricity shortage.
Further, on the basis of above-described embodiment, from it is described treat close port in filter out and meet the port of preparatory condition, including：
According to the priority-level of default each port in the port information of the equipment, from it is described treat close port in filter out and meet priority-level for low port.
Specifically, it is being collected into after after close port, further it can screened according to preparatory condition, the preparatory condition can be the priority-level of default each port, set with specific reference to actual conditions, the low port of those priority-levels is screened, first can be closed these ports.
Pass through the priority-level according to default each port in the port information according to the equipment, from it is described treat close port in filter out and meet priority-level for low port, treat that priority-level is low port in close port, is easy to fast recovery of power supply normal by being filtered out in advance according to preparatory condition.
Further, on the basis of above-described embodiment, the link parameter of each port after screening is obtained, including：
Obtain the link setup time and chain rupture time of each port in the given time after screening.
Specifically, obtaining the link parameter of each port after screening, the link parameter can include the link setup time and chain rupture time within the predetermined time, for example：Link setup time and chain rupture time of each port after being screened in nearest 30 days etc., but it is not limited to this.
By may determine that the service condition of each port according to link setup time and chain rupture time, consequently facilitating being controlled to the port being of little use.
Further, on the basis of above-described embodiment, one or more port is closed according to pre-defined rule according to the link parameter, including：
According to the link setup time and chain rupture time of each port in the given time, use duration of each port within the default time is counted, one or more port that the use duration meets scheduled time threshold value is closed.
Specifically, the use duration for obtaining each port can be calculated according to each port link setup time in the given time and chain rupture time, such as：Within 2 points to 5 points of non-peak period, each port link setup time and chain rupture time difference summation each time, the use duration of each port can be determined, one or more port is closed according to predetermined rule, wherein predetermined rule can be that all ports are ranked up according to the length of use time, close use time most short port, can also be that a predetermined time threshold is set, the time threshold can be 2 hours, come with specific reference to actual conditions, the multiple ports for meeting the time threshold are closed together.
Pass through the link setup time and chain rupture time according to each port in the given time, count use duration of each port within the default time, one or more port that the use duration meets scheduled time threshold value is closed, the malfunction for causing power supply to the device not enough can be quickly solved.
Further, on the basis of above-described embodiment, this method also includes：
The state for the abnormality alarming that the equipment is powered is detected, if without exception, phase down if exception, then continues to close use duration successively within the default time from being short to one or more long port, until to without exception.
Specifically, after closing port, continue checking for the state for the abnormality alarming that the equipment is powered, see whether the abnormality alarming has recovery, if the abnormality alarming of electricity shortage still has, then continue to close use duration successively within the default time from being short to one or more long port, before i.e. during close port, the list for just treating close port is updated, closed successively for the sequence of the length for treating the use duration that close port middle port can go out according to each port statistics after renewal, it is to go to one or more port of closing according to using the rule of duration from short to long, untill the state for determining the abnormality alarming is recovered.
It can further determine whether the abnormality alarming that equipment is powered releases by above-mentioned steps, and the height of frequency of use in close port list closing fault port successively is treated according to after the renewal after renewal, allow to automatically shut down port without manual intervention, receive that alarm is abnormal later can be handled in real time, realize the port controlling of automation, the efficiency of the O＆M of raising.
The structural representation of the device embodiment one for a kind of port controlling that Fig. 2 provides for the present invention, as shown in Fig. 2 the device includes：Receiving module 10, collection module 20, screening module 30 and closedown module 40；
The receiving module 10, is set to the abnormality alarming that receiving device is powered；
The collection module 20, is set to obtain the port information of the equipment, is collected according to acquired port information and treats close port；
The screening module 30, be set to from it is described treat close port in filter out and meet the port of preparatory condition, and obtain the link parameter of each port after screening；
The closedown module 40, is set to close one or more port according to pre-defined rule according to the link parameter.
A kind of device of port controlling provided in an embodiment of the present invention, the device includes：Receiving module, collection module, screening module and closedown module；The receiving module is set to receive the abnormality alarming that equipment is powered, the collection module is set to obtain the port information of the equipment, collected according to acquired port information and treat close port, the screening module be set to from it is described treat close port in filter out and meet the port of preparatory condition, and the link parameter of each port after screening is obtained, the closedown module is set to close one or more port according to pre-defined rule according to the link parameter.By when receiving alarm abnormal information, the closing for meeting preparatory condition and carrying out control port according to pre-defined rule can be filtered out to the port that equipment is powered in real time in the case of electricity shortage, so as to ensure that the normal of user equipment is used, it is simple to operate, improve maintenance efficiency.
Further, on the basis of above-described embodiment, the collection module 20, which is set to be collected according to acquired port information, treats close port, refers to：
The collection module 20 is set to exclude predetermined supply port according to acquired port information, will exclude the port after the predetermined supply port as treating close port.
Device provided in an embodiment of the present invention, can perform above method embodiment, and its implementing principle and technical effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the screening module 30 be set to from it is described treat close port in filter out and meet the port of preparatory condition, refer to：
The screening module 30 is set to the priority-level of default each port in the port information according to the equipment, from it is described treat close port in filter out and meet priority-level for low port.
Device provided in an embodiment of the present invention, can perform above method embodiment, and its implementing principle and technical effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the screening module 30 is set to obtain the link parameter of each port after screening, refers to：
The screening module 30 is set to obtain the link setup time and chain rupture time of each port in the given time after screening.
Device provided in an embodiment of the present invention, can perform above method embodiment, and its implementing principle and technical effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, the closedown module 40 is set to close one or more port according to pre-defined rule according to the link parameter, refers to：
The closedown module 40 is set to link setup time and chain rupture time according to each port in the given time, counts use duration of each port within the default time, closes one or more port that the use duration meets scheduled time threshold value.
Device provided in an embodiment of the present invention, can perform above method embodiment, and its implementing principle and technical effect is similar, will not be repeated here.
Further, on the basis of above-described embodiment, in addition to：Detection module；
The detection module is set to detect the state for the abnormality alarming that the equipment is powered, if without exception, phase down, if exception, then continue to close use duration successively within the default time from being short to one or more long port, until to without exception.
Device provided in an embodiment of the present invention, can perform above method embodiment, and its implementing principle and technical effect is similar, will not be repeated here.
Although disclosed herein embodiment as above, described content be only readily appreciate the present invention and use embodiment, be not limited to the present invention.Technical staff in any art of the present invention; do not depart from disclosed herein spirit and scope on the premise of; any modification and change, but the scope of patent protection of the present invention can be carried out in the form and details of implementation, still be should be subject to the scope of the claims as defined in the appended claims.
Claims (12)
1. a kind of method of port controlling, applied to reverse power supply equipment, it is characterised in that methods described
Including：
Receive the abnormality alarming that equipment is powered；
The port information of the equipment is obtained, is collected according to acquired port information and treats close port；
From it is described treat close port in filter out and meet the port of preparatory condition, and obtain each after screening
The link parameter of port；
One or more port is closed according to pre-defined rule according to the link parameter.
2. according to the method described in claim 1, it is characterised in that received according to acquired port information
Collection treats close port, including：
Predetermined supply port is excluded according to acquired port information, the predetermined feeder ear will be excluded
Port after mouthful is as treating close port.
3. according to the method described in claim 1, it is characterised in that from it is described treat close port in screen
Go out to meet the port of preparatory condition, including：
According to the priority-level of default each port in the port information of the equipment, wait to close from described
Filtered out in closed end mouthful and meet priority-level for low port.
4. according to the method described in claim 1, it is characterised in that obtain each port after screening
Parameter is linked, including：
Obtain the link setup time and chain rupture time of each port in the given time after screening.
5. method according to claim 4, it is characterised in that according to the link parameter according to pre-
Set pattern then closes one or more port, including：
According to the link setup time and chain rupture time of each port in the given time, each port is counted pre-
If time in use duration, close the use duration and meet one of scheduled time threshold value or many
Individual port.
6. method according to claim 5, it is characterised in that methods described also includes：
The state for the abnormality alarming that the equipment is powered is detected, if without exception, phase down, if
Have exception, then continue to close successively within the default time using duration from being short to long one or more
Port, until to without exception.
7. a kind of device of port controlling, applied to reverse power supply equipment, it is characterised in that described device
Including：Receiving module, collection module, screening module and closedown module；
The receiving module is set to the abnormality alarming that receiving device is powered；
The collection module is set to obtain the port information of the equipment, according to acquired port information
Close port is treated in collection；
The screening module be set to from it is described treat close port in filter out and meet the port of preparatory condition,
And obtain the link parameter of each port after screening；
The closedown module is set to close one or more according to pre-defined rule according to the link parameter
Port.
8. device according to claim 7, it is characterised in that the collection module is set to basis
Acquired port information is collected and treats close port, refers to：
The collection module is set to exclude predetermined supply port according to acquired port information, will arrange
Except the port after the predetermined supply port is as treating close port.
9. device according to claim 7, it is characterised in that the screening module is set to from institute
State and treat to filter out the port for meeting preparatory condition in close port, refer to：
The screening module is set to the preferential of default each port in the port information according to the equipment
Level rank, from it is described treat close port in filter out and meet priority-level for low port.
10. device according to claim 7, it is characterised in that the screening module is set to obtain
The link parameter of each port after screening is taken, is referred to：
The screening module be set to obtain each port link setup time in the given time after screening and
The chain rupture time.
11. device according to claim 10, it is characterised in that the closedown module is set to root
One or more port is closed according to pre-defined rule according to the link parameter, is referred to：
When the closedown module is set to according to each port link setup time in the given time and chain rupture
Between, use duration of each port within the default time is counted, the use duration is closed and meets predetermined
One or more port of time threshold.
12. the device according to right wants 11, it is characterised in that described device also includes：Detect mould
Block；
The detection module is set to detect the state for the abnormality alarming that the equipment is powered, if without exception,
Then phase down, if exception, then continues to close use duration successively within the default time from short
To one or more long port, until to without exception.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209642.1A CN107276778B (en) | 2016-04-06 | 2016-04-06 | Port control method and device |
| PCT/CN2016/094964 WO2017173762A1 (en) | 2016-04-06 | 2016-08-12 | Method and device for port control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610209642.1A CN107276778B (en) | 2016-04-06 | 2016-04-06 | Port control method and device |
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| CN107276778A true CN107276778A (en) | 2017-10-20 |
| CN107276778B CN107276778B (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111327430A (en) * | 2018-12-17 | 2020-06-23 | 中兴通讯股份有限公司 | Reverse power supply method, device, equipment and storage medium |
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| CN101060412A (en) * | 2007-03-29 | 2007-10-24 | 杭州华三通信技术有限公司 | Ethernet power supply system, control unit, master control module and Ethernet power supply method |
| CN101814994A (en) * | 2009-02-24 | 2010-08-25 | 阿尔卡特朗讯公司 | A method of centralized Ethernet network shutdown |
| CN102025509A (en) * | 2010-11-10 | 2011-04-20 | 中兴通讯股份有限公司 | Power-off control method and device |
| CN103546301A (en) * | 2013-10-30 | 2014-01-29 | 上海斐讯数据通信技术有限公司 | Method and system for POE system to carry out overload protection on equipment |
| WO2016029421A1 (en) * | 2014-08-29 | 2016-03-03 | Thomson Licensing | Method and device for home gateway to control home device to work ecologically |
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| CN111327430A (en) * | 2018-12-17 | 2020-06-23 | 中兴通讯股份有限公司 | Reverse power supply method, device, equipment and storage medium |
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| CN107276778B (en) | 2021-03-09 |
| WO2017173762A1 (en) | 2017-10-12 |
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