CN207718360U - A kind of active DP cables and software update system - Google Patents
A kind of active DP cables and software update system Download PDFInfo
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- CN207718360U CN207718360U CN201820056860.0U CN201820056860U CN207718360U CN 207718360 U CN207718360 U CN 207718360U CN 201820056860 U CN201820056860 U CN 201820056860U CN 207718360 U CN207718360 U CN 207718360U
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- signal repeater
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Abstract
The utility model provides a kind of active DP cables and software update system, and the signal repeater in the utility model in active DP cables can acquire upgrading software by data transmission port group and switching group, and then carry out software upgrading.As in the prior art, destroying wire rod finished product and Re driver chips need not be stripped out from wire rod finished product, ensure that the availability of wire rod finished product, reduce production cost.
Description
Technical field
The utility model is related to the communications fields, more specifically, being related to a kind of active DP cables and software update system.
Background technology
In order to avoid signal leads to the decaying of input signal in transmission process due to transmission medium loss, now often make
Signal is transmitted with active DP cables (Active DP Cable).Embedded signal repeater Re-driver cores in active DP cables
Piece, Re-driver chips can will be lost due to transmission medium and the input signal to have decayed caused to carry out frequency characteristic compensation
After retransmit away, with the anti-interference ability for enhancing signal and remote transmittability.
After signal repeater is installed to the part for becoming wire rod finished product in active DP cables, when in signal repeater
When firmware needs upgrading, it is necessary to destroy wire rod finished product and signal repeater is stripped out from wire rod finished product, hereafter
Signal repeater is upgraded using upgrading jig.Wherein, firmware refer to write-in EROM (rewritable read-only memory) or
Program in EEPROM (Electrically Erasable Programmable Read-Only Memory).
Since above-mentioned upgrade method needs to destroy wire rod finished product and signal repeater is separated from wire rod finished product
Come, and then can cause original wire rod finished product that cannot reuse, increases production cost.
Utility model content
To solve, when needing to upgrade the signal repeater in active DP cables, to need to destroy wire rod finished product and handle
Signal repeater is stripped out from wire rod finished product, and then can cause original wire rod finished product that cannot reuse, and increases production
The problem of cost, a kind of active DP cables of the utility model offer and software update system.
To achieve the above object, the utility model provides the following technical solutions：
A kind of active DP cables, including：
Data transmission port group, switching group and signal repeater；The data transmission port group by the switching group and
The signal repeater connection；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading is soft
Part is sent to the signal repeater；
The signal repeater, for according to the upgrading software, being carried out more to the original software of the signal repeater
Newly.
Preferably, the switching group includes first switch and the second switch；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
Preferably, the data transmission port group includes serial data transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and will be described
When upgrading software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
Serial clock data receiver institute of the serial data transmission port according to the serial clock transmittin port transmission
State updating apparatus transmission the upgrading software and by the serial clock data of the serial clock transmittin port transmission with
And the upgrading software is sent to the signal repeater by the first switch after being closed.
A kind of software update system, including updating apparatus and active DP cables；
The active DP cables include data transmission port group, switching group and signal repeater；The data transmission port
Group is connected by the switching group with the signal repeater；
The updating apparatus, for sending close command and upgrading software to the active DP cables；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading is soft
Part is sent to the signal repeater；
The signal repeater, for according to the upgrading software, being carried out more to the original software of the signal repeater
Newly.
Preferably, the switching group includes first switch and the second switch；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
Preferably, the data transmission port group includes serial data transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and will be described
When upgrading software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
Serial clock data receiver institute of the serial data transmission port according to the serial clock transmittin port transmission
State updating apparatus transmission the upgrading software and by the serial clock data of the serial clock transmittin port transmission with
And the upgrading software is sent to the signal repeater by the first switch after being closed.
It can be seen from the above technical proposal that the utility model provides a kind of active DP cables and software update system,
Signal repeater in the utility model in active DP cables can acquire liter by data transmission port group and switching group
Grade software, and then carry out software upgrading.It need not be as in the prior art, destroying wire rod finished product and Re-driver chips
It is stripped out from wire rod finished product, ensure that the availability of wire rod finished product, reduce production cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram for passive DP cables that the utility model embodiment provides；
Fig. 2 is a kind of structural schematic diagram for active DP cables that the utility model embodiment provides；
Fig. 3 is a kind of structural schematic diagram for software update system that the utility model embodiment provides；
Fig. 4 is a kind of method flow diagram for method for upgrading software that the utility model embodiment provides；
Fig. 5 is the structural schematic diagram for another software update system that the utility model embodiment provides.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of method for upgrading software, is applied to active DP cables, for this field skill
Art personnel can more be apparent from DP cables, and in conjunction with Fig. 1, DP cables are introduced.
Passive DP cables need not install signal repeater, and active DP cables need to install signal repeater.And then it is passive
DP cables are simple in structure compared to for active DP cables, and then first introduce down passive DP cables, and active DP cables only need
Increase signal repeater in passive DP cables.
In Fig. 1,21A is the connector of DP SRC 101, and 21B is the connector of DP SNK 102.Wherein, DP SRC 101
For DP signal sources, such as personal computer PC, DP SNK 102 are the reception device, such as TV, display etc. of DP signals.
Passive DP Cable are passive DP cables, do not have any electronic chip in passive DP cables.
01 is the standard DP cables for connecting DP SRC 101 and DP SNK 102, and 11A and 11B are respectively 101 Hes of DP SRC
The plug of DP SNK 102.Wherein, 12,10 ports in 1,3 ports and plug 11B in plug 11A are respectively connected with, as master
Link channel 0 (ML0)；9,7 ports in 4,6 ports and 11B in plug 11A are respectively connected with, as main link lanes 1
(ML1)。
6,4 ports in 7,9 ports and plug 11B in plug 11A are respectively connected with, as main link lanes 2 (ML2).
10,12 ports in plug 11A are connected with 3,1 port in plug 11B, as main link lanes 3 (ML3).
The channels ML0~ML3 are used for connecting connector 21A and connector 21B, and by high speed DP video datas from DP SRC
101 are transferred to DP SNK 102.
2,5,8,11 ports in plug 11A are connected with 11,8,5,2 ports in plug 11B, the ground terminal as cable
GND, GND corresponding on two terminal adapters are connected.
15/17 port is accessory channel (AUX) differential pair signal, is used for the control and management of DP links, including read DP
SNK 102 and its performance parameter and the configuration information for receiving ability, and determine a suitable port number and channel biography according to this
Defeated rate, while these information are relayed to DP SNK 101；The ports HPD are hot plug signal.
The ports RTN are the shielding line of ML0~ML3, usually as signal current return circuit and two side systems in standard application
GND be connected.
The ports PWR are 3.3V power supplys, are electronic component power supply that may be present in active DP cables, PWR is not through DP
Cable, i.e. PWR in the plug of DP cables both ends are only connected with the PWR on the connector being respectively connected, and are to disconnect in cable.
The port CFG1, CFG2 is general hanging or is grounded, and can be used as the siding of transmission distinctive signal.
In Fig. 1 the connection relation of each port referring to Fig.1 in the connection relation of connecting line be attached.
Above describe the structures of passive DP cables, the structure of active DP cables under introducing referring now to Fig. 2.
In reference Fig. 2, Fig. 2 on the basis of passive DP cables, signal repeater 103 is increased.
Wherein, electronic chip signal repeater Re-driver can be embedded in any one of active DP cables position.
It can be used in the utility model and arrive updating apparatus, be referred to as upgrading jig.
With reference to Fig. 3, the placement location of updating apparatus is given in Fig. 3.In Fig. 3, it is stored in computer computer 106
On upgrading software downloaded on updating apparatus 104 by general-purpose serial bus USB cable 105 after, then updated by DP interfaces
Into the signal repeater chip of active DP cables 02.
It is above-mentioned that active DP cables and signal repeater are described, presently describe the software liter in the utility model
Grade method.
With reference to Fig. 4, a kind of method for upgrading software is given in Fig. 4, is applied to active DP cables, may include：
S11, when the switching group receives the close command of updating apparatus transmission, the switching group is closed；
Wherein, active DP cables include：Data transmission port group, switching group and signal repeater.The data transmission terminal
Mouth group is connected by the switching group with the signal repeater.
Updating apparatus has been arrived in use in the utility model, now the connection to the structure of updating apparatus and with active DP cables
Relationship is explained.
With reference to Fig. 4, the connection relation and internal structure of updating apparatus 2 and active DP cables 2 are described in Fig. 4.
In active DP cables 2, first by tri- signals of RTN, CFG1, CFG2 in the DP plugs of both sides in signal generator
It is connected on circuit board where Re-driver 103.Secondly, I2C the signals SDA and SCL of Re-driver chips are passed through
It is connected respectively on CFG1 and CFG2 after first switch 12A and second switch 12B.Finally, RTN is connected to switch 12A and 12B
Control signal.
In updating apparatus 3, RTN, CFG1, CFG2 are pulled upward to the 3.3V of jig by pull-up resistor R1, R2, R3 respectively
On power supply, which is also connected on the PWR of connector 22A simultaneously, is the Re-driver power supplies in active DP cables；It rises
In grade equipment 3 setting electronic control unit MCU301 upgrades software, by MCU 301 for storing program code to be upgraded
I2C signals SDA and SCL be coupled on the CFG1 and CFG2 of connector 22A, the hardware plan of such updating apparatus has been able to
At.
It should be noted that RTN, CFG1 and CFG2 in 22A, 12A and 12B are corresponding in turn to connection.
Optionally, on the basis of the present embodiment, the switching group includes first switch 12A and second switch 12B；
Correspondingly, when the switching group receives close command, the switching group is closed, including：
When the switching group receives the close command, the first switch 12A and the second switch are closed
12B。
Specifically, in the DP signal transmission systems of standard, the both ends of active DP cables 2 meet DP SRC and DP respectively
SNK, since RTN is connected in DP SRC and DP SNK with the GND of system (referring to Fig. 1), level 0 so that first switch 12A
It is opened with second switch 12B, therefore, the signal on CFG1 and CFG2 will not be by the I2C signals SDA of Re-driver chips
With the interference and influence of SCL, while any possible signal transmission will not have an impact SDA and SCL on CFG1 and CFG2,
The I2C control modules inside Re-driver are caused, the false triggering of upgraded module is referred to as.
When needing to upgrade the Re-driver chips in active DP cables into line program, by active type cable 12A and 12B
The plug insertion program updating apparatus 3 of any one end, since inside updating apparatus 3, RTN is pulled to 3.3V high level, from
And first switch 12A and second switch 12B in active DP cables are opened, first switch 12A and second switch 12B are closed.
S12, the data transmission port group receive the upgrading software that the updating apparatus is sent, and by the upgrading software
It is sent to the signal repeater；
Specifically, the I2C signals of Re-driver chips and the I2C of MCU on updating apparatus 3 are connected so that program
Updating operation is able to carry out by the MCU on updating apparatus.
S13, the signal repeater carry out the more original software of the signal repeater according to the upgrading software
Newly.
Wherein, it is upgrading software by original software upgrading.
In the present embodiment, the signal repeater in active DP cables can be obtained by data transmission port group and switching group
Upgrading software is obtained, and then carries out software upgrading.It need not be as in the prior art, destroying wire rod finished product and Re-
Driver chips are stripped out from wire rod finished product, ensure that the availability of wire rod finished product, reduce production cost.
In addition, it is not necessary that wire rod finished product is destroyed, it will be able to ensure that signal repeater receives ADO upgrading softwares, and carry out
Update, the updating apparatus used is simple in structure, at low cost, easy to operate, can be substantially reduced wire rod producer test, debugging and
Production cost.
Optionally, described on the basis of " switching group includes first switch and the second switch " corresponding embodiment
Data transmission port group includes serial data transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group receives the upgrading software that updating apparatus is sent, and by the upgrading software
It is sent to the signal repeater, including：
The serial clock transmittin port, is used for transmission serial clock data；
The serial data transmission port, for being connect according to the serial clock data of the serial clock transmittin port transmission
Receive the upgrading software that the updating apparatus is sent and the serial clock number by the serial clock transmittin port transmission
According to this and the upgrading software is sent to the signal repeater by the first switch after closure.
Be transmitted using I2C bus transmission models in the utility model, I2C buses need two signal line groups at,
One is serial data line, and transmission upgrading software, one is serial time clock line, transmits clock signal.
It constantly arrives with the rising edge of clock signal, upgrading software is gradually transferred in signal repeater, reaches letter
After in number transponder, with serial clock, gradually upgrading software is parsed, and then upgrading software can be used to carry out more
Newly.
Optionally, on the basis of a kind of embodiment of above-mentioned method for upgrading software, another embodiment of the utility model
A kind of active DP cables are provided, with reference to Fig. 4, including：
Data transmission port group, switching group and signal repeater；The data transmission port group by the switching group and
The signal repeater connection；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading is soft
Part is sent to the signal repeater；
The signal repeater, for according to the upgrading software, being carried out more to the original software of the signal repeater
Newly.
Further, the switching group includes first switch and the second switch；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
In the present embodiment, the signal repeater in active DP cables can be obtained by data transmission port group and switching group
Upgrading software is obtained, and then carries out software upgrading.It need not be as in the prior art, destroying wire rod finished product and Re-
Driver chips are stripped out from wire rod finished product, ensure that the availability of wire rod finished product, reduce production cost.
It should be noted that the course of work of each device in the present embodiment, please refers to corresponding in above-described embodiment
Illustrate, details are not described herein.
Optionally, described on the basis of " switching group includes first switch and the second switch " corresponding embodiment
Data transmission port group includes serial data transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and will be described
When upgrading software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
Serial clock data receiver institute of the serial data transmission port according to the serial clock transmittin port transmission
State updating apparatus transmission the upgrading software and by the serial clock data of the serial clock transmittin port transmission with
And the upgrading software is sent to the signal repeater by the first switch after being closed.
In the present embodiment, wire rod finished product need not be destroyed, it will be able to ensure that signal repeater receives ADO upgrading softwares,
And be updated, the updating apparatus used is simple in structure, at low cost, easy to operate, can be substantially reduced wire rod producer test,
Debugging and production cost.
It should be noted that the course of work of each device in the present embodiment, please refers to corresponding in above-described embodiment
Illustrate, details are not described herein.
Optionally, on the basis of the embodiment of above-mentioned method for upgrading software and active DP cables, the utility model it is another
One embodiment provides a kind of software update system, with reference to Fig. 3 and Fig. 5, including updating apparatus and active DP cables；
The active DP cables include data transmission port group, switching group and signal repeater；The data transmission port
Group is connected by the switching group with the signal repeater；
The updating apparatus, for sending close command and upgrading software to the active DP cables；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading is soft
Part is sent to the signal repeater；
The signal repeater, for according to the upgrading software, being carried out more to the original software of the signal repeater
Newly.
Further, the switching group includes first switch and the second switch；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
Further, the data transmission port group includes serial data transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and will be described
When upgrading software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
Serial clock data receiver institute of the serial data transmission port according to the serial clock transmittin port transmission
State updating apparatus transmission the upgrading software and by the serial clock data of the serial clock transmittin port transmission with
And the upgrading software is sent to the signal repeater by the first switch after being closed.
In the present embodiment, the signal repeater in active DP cables can be obtained by data transmission port group and switching group
Upgrading software is obtained, and then carries out software upgrading.It need not be as in the prior art, destroying wire rod finished product and Re-
Driver chips are stripped out from wire rod finished product, ensure that the availability of wire rod finished product, reduce production cost.
In addition, it is not necessary that wire rod finished product is destroyed, it will be able to ensure that signal repeater receives ADO upgrading softwares, and carry out
Update, the updating apparatus used is simple in structure, at low cost, easy to operate, can be substantially reduced wire rod producer test, debugging and
Production cost.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
Including so that process, method, commodity or equipment including a series of elements include not only those elements, but also wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or equipment.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The application is with reference to method, the flow of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (6)
1. a kind of active DP cables, which is characterized in that including：
Data transmission port group, switching group and signal repeater；The data transmission port group passes through the switching group and described
Signal repeater connects；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading software is sent out
It send to the signal repeater；
The signal repeater, for according to the upgrading software, being updated to the original software of the signal repeater.
2. active DP cables according to claim 1, which is characterized in that the switching group includes that first switch and second open
It closes；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
3. active DP cables according to claim 2, which is characterized in that the data transmission port group includes serial data
Transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and by the upgrading
When software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
It is risen described in serial clock data receiver of the serial data transmission port according to the serial clock transmittin port transmission
It the upgrading software that grade equipment is sent and by the serial clock data of the serial clock transmittin port transmission and closes
The upgrading software is sent to the signal repeater by the first switch after conjunction.
4. a kind of software update system, which is characterized in that including updating apparatus and active DP cables；
The active DP cables include data transmission port group, switching group and signal repeater；The data transmission port group is logical
The switching group is crossed to connect with the signal repeater；
The updating apparatus, for sending close command and upgrading software to the active DP cables；
The switching group, for when receiving the close command of updating apparatus transmission, being closed；
The data transmission port group, the upgrading software sent for receiving the updating apparatus, and the upgrading software is sent out
It send to the signal repeater；
The signal repeater, for according to the upgrading software, being updated to the original software of the signal repeater.
5. software update system according to claim 4, which is characterized in that the switching group includes first switch and second
Switch；
Correspondingly, the switching group, for when receiving the close command of updating apparatus transmission, being closed, being specifically used for：
When receiving the close command, the first switch and the second switch are closed.
6. software update system according to claim 5, which is characterized in that the data transmission port group includes serial number
According to transmission port and serial clock transmittin port；
Correspondingly, the data transmission port group, the upgrading software sent for receiving the updating apparatus, and by the upgrading
When software is sent to the signal repeater, it is specifically used for：
The serial clock transmittin port transmission serial clock data；
It is risen described in serial clock data receiver of the serial data transmission port according to the serial clock transmittin port transmission
It the upgrading software that grade equipment is sent and by the serial clock data of the serial clock transmittin port transmission and closes
The upgrading software is sent to the signal repeater by the first switch after conjunction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056860.0U CN207718360U (en) | 2018-01-12 | 2018-01-12 | A kind of active DP cables and software update system |
| TW107116941A TWI684129B (en) | 2018-01-12 | 2018-05-18 | A software upgrading method, system and an active dp cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056860.0U CN207718360U (en) | 2018-01-12 | 2018-01-12 | A kind of active DP cables and software update system |
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| Publication Number | Publication Date |
|---|---|
| CN207718360U true CN207718360U (en) | 2018-08-10 |
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ID=63052016
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820056860.0U Active CN207718360U (en) | 2018-01-12 | 2018-01-12 | A kind of active DP cables and software update system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052341A (en) * | 2018-01-12 | 2018-05-18 | 龙迅半导体（合肥）股份有限公司 | A kind of method for upgrading software, system and active DP cables |
-
2018
- 2018-01-12 CN CN201820056860.0U patent/CN207718360U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052341A (en) * | 2018-01-12 | 2018-05-18 | 龙迅半导体（合肥）股份有限公司 | A kind of method for upgrading software, system and active DP cables |
| CN108052341B (en) * | 2018-01-12 | 2023-12-05 | 龙迅半导体（合肥）股份有限公司 | Software upgrading method and system and active DP cable |
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| GR01 | Patent grant |