CN106340761B - Network interface circuit and apply its network interface connector - Google Patents
Network interface circuit and apply its network interface connector Download PDFInfo
- Publication number
- CN106340761B CN106340761B CN201510402226.9A CN201510402226A CN106340761B CN 106340761 B CN106340761 B CN 106340761B CN 201510402226 A CN201510402226 A CN 201510402226A CN 106340761 B CN106340761 B CN 106340761B
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- network interface
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Abstract
A kind of network interface circuit and apply its network interface connector, it is used for transmission the network signal of 10Gbit/s, wherein network interface circuit includes that four signal transmission passages and the 5th common mode detect feedback channel, wherein network interface circuit can transmit UPOE power over ethernet in the case where detecting feedback channel with the 5th common mode, its the 5th common mode sense channel is not by the interference effect of tetra- power circuits of UPOE, and mounting terminal is in parallel using the centre cap in transformer in network interface connector, free time go out part mounting terminal for connect the 5th common mode detection feedback channel, to reduce number of terminals, it is even more convenient compatible with the network interface connector mounting terminal Layout phases of only four-way.
Description
【Technical field】
The present invention relates to a kind of network interface circuit and its network interface connector is applied, more particularly to a kind of having the
The network interface circuit and network interface connector of Five-channel and Power over Ethernet function.
【Background technology】
Through frequently with four signal transmission passages and increase by one in existing 10G BASE-T network interface connectors (RJ45)
A common mode detects feedback channel, as Five-channel.UPOE (Universal Power Over Ethernet) commodity ethernet
Power supply is the non-ieee standard specification that Cisco companies in 2014 establish, it is characterised in that compares tradition POE standards
IEEE802.3af-2003 and POE+ standard IEEEs 802.3at-2009 transmits power bigger, and POE standards pass through Ethernet
The direct current of network cable transmission about 15W, POE+ standards transmit the direct current of about 30W by ethernet netting twine, and UPOE then can
The power over ethernet of transmission about 60.In addition, UPOE and POE/POE+ is the difference is that utilize twisted-pair feeder or RJ45 inner terminals
Logarithm is different, and POE/POE+ transmits power supply using two pairs of differential pairs in four pairs of signal transmission passages, either 1,2/3,6
Difference signal pair transmits, and 4,5/7,8 Difference signal pair can be utilized to transmit.Certainly in 10M/100M networks, wherein 1,2/3,6
It is signal transmission pair, and 4,5/7,8 are idle feet.
CN103578717A disclosed in 02 year 2014 12 is disclosed including four signal transmission passages and Five-channel net
Network interface connector is the RJ45 connectors of 1X1 10G BASE-T.
The 10G bit/s network interface connector UPOE circuits and definition of pin position figure of existing four-way please refer to attached drawing 7 to
Fig. 9, wherein four power supply terminals (P13 ~ P16) are connected between 0.22uf capacitances and the centre cap of transformer, transformer
The centre cap (P3, P6, P9, P12) of two coil is respectively connected to physical side (PHY SIDE).How will be including Five-channel
Four power supply terminals of UPOE are introduced in connector, and how will be introduced into the RJ45 connectors of Five-channel mounting terminal and
The compatible exploitation difficult point for becoming designer of mounting terminal in the connector RJ45 connectors of four-way.
【Invention content】
Technical problem to be solved by the present invention lies in：There is provided a kind of network interface circuit comprising Five-channel, energy
Transmit power over ethernet.
In order to solve the above technical problems, the technical scheme is that：
A kind of network interface circuit comprising cable-side, physical side, be connected between cable-side and physical side five it is logical
Road, five channels include four signal transmission passages and Five-channel, and Five-channel is common-mode feedback sense channel, each signal
Transmission channel is equipped with transformer, and transformer has the second coil of the first coil being connect with cable-side and physical side connection, the
One coil and the second coil all have centre cap, and the centre cap of first coil is in series with the first capacitor and earth point, institute
It further includes Power over Ethernet circuit to state network interface circuit, and the Power over Ethernet circuit on one side is connected to the center of first coil
Between tap and the first capacitor, the other end is connected to physical side, wherein the Five-channel includes the first connecting pin and connection
To the second connection end of physical side, first connecting pin is connected between the first capacitor and earth point.
Due to the present invention by the setting of the first connecting pin of Five-channel between the first capacitance and ground connection, the first capacitance will be with
Too (it is direct current that Ethernet, which transmits power supply) is isolated with the first connecting pin of the 5th transmission channel for net power supply circuit, is prevented
The transmission interference of Power over Ethernet power supply pair Five-channel.
Technical problem to be solved by the present invention lies in：A kind of network interface connector is provided comprising Five-channel,
Mounting terminal quantity is few.
A kind of network interface connector comprising craft port, eight extended in craft port dock terminals, installation
Bottom surface extends downwardly several mounting terminals beyond installation bottom surface and is electrically connected at eight docking terminals and several installations
Four signal transmission passages between terminal, each signal transmission passage include a transformer, and the transformer includes and two
The second coil that the first coil and two mounting terminals that a docking terminal is electrically connected are electrically connected, the second coil has and object
The second centre cap that side is electrically connected is managed, is electrically connected to after the second centre cap parallel connection of wherein at least two transformer
Also there is the Five-channel for common-mode feedback detection, Five-channel electrically to connect for one mounting terminal, the network interface connector
Two root mounting terminals being connected in several mounting terminals.
Compared with prior art, four mounting terminal circuits that script is connect by the present invention with every 1 second centre cap are (
For grounding connection or connection power supply), it has carried out at least two and has been arranged in parallel, then reduced installation number, can save and
It is utilized by Five-channel, to reduce the size of network interface connector, and can be connected with the network interface of existing four-way
Device mounting terminal foot position is connect mutually to be compatible with.
【Description of the drawings】
Fig. 1 is the circuit diagram of inventive network interface circuit.
Fig. 2 is the stereogram of inventive network interface connector.
Fig. 3 is the front view of network interface connector shown in Fig. 2.
Fig. 4 is the side view of network interface connector shown in Fig. 3.
Fig. 5 is the upward view of network interface connector shown in Fig. 3, and has carried out partial enlargement to mounting terminal foot position.
Fig. 6 is the definition of pin position table of mounting terminal shown in Fig. 5.
Fig. 7 is the circuit diagram of four-way 10Gbit/s network interface circuits in the prior art.
Fig. 8 is the upward view of four-way 10Gbit/s network interface connectors in the prior art, and to mounting terminal foot position
Partial enlargement is carried out.
Fig. 9 is the definition of pin position table of existing network interface connector shown in Fig. 8.
【Main element symbol description】
| Cable-side | 10 | Network interface circuit | 100 |
| Physical side | 20 | Signal end sub-district | 301 |
| Power end sub-district | 302 | Signal transmission passage | 31 |
| Five-channel | 35 | Transformer | 40 |
| 5th transformer | 40’ | First coil | 401 |
| Both ends | 4011、4021 | First siding ring | 401’ |
| Connecting pin | 4011’ | First centre cap | 4013 |
| Second coil | 402 | Second siding ring | 402’ |
| Second centre cap | 4023 | Common mode choke | 50 |
| 5th common mode choke | 50’ | First end | 501 |
| Second end | 502 | First capacitor | 61 |
| Resistor | 62 | Second capacitor | 63 |
| Earth point | 64 | Power over Ethernet circuit | 65 |
| Network interface connector | 700 | Craft port | 71 |
| Dock terminal | 72 | Bottom surface is installed | 73 |
| Insulating body | 74 | Mounting terminal | 75 |
| Metal shell | 76 | Elastic washer | 77 |
| Indicator light | 78 |
Following specific implementation mode will be further illustrated the present invention in conjunction with above-mentioned attached drawing.
【Specific implementation mode】
As shown in Figure 1, for meet the present invention a kind of network interface circuit 100 comprising cable-side 10, physical side 20,
It is connected to five channels between cable-side 10 and physical side 20.Five channels include that four signal transmission passages 31 and the 5th are logical
Road 35, Five-channel 35 are common-mode feedback sense channel, and each signal transmission passage 31 is equipped with a transformer 40 and a common mode is gripped
Stream circle 50.Transformer 40 has the second coil 402 that the first coil 401 being connect with cable-side 10 and physical side 20 connect, the
There is one coil 401 first centre cap 4013, the second coil 402 to have the second centre cap 4023.The two of first coil 401
End 4011 is connected to cable-side 10, and the first centre cap 4013 is sequentially connected the first capacitor 61, resistor 62, the second capacitor
63 to earth point 64.First capacitor, 61 value is 0.22uF, and 63 value of the second capacitor is 1000pf, and resistor 62 is most
750ohms.Common mode choke 50 includes two coils being arranged in series with signal transmission passage, and each coil has first end
501 and opposite second end 502.Two first ends 501 of common mode choke 50 are connect with the both ends 4021 of the second coil 402,
Two second ends 502 are connected to physical side 20.When common mode choke 50 is two line common mode choke, the second centre cap 4023
It is connected directly to physical side 20.When common mode choke 50 is three line common mode choke (not shown), the connection of the second centre cap
To three line common mode choke intermediate coils.
Five-channel 35 may include the 5th transformer 40 ' and the 5th common mode choke 50 ', and the 5th transformer 40 ' includes
The second siding ring 402 ' that first siding ring 401 ' is connected with 50 ' one end of the 5th common mode choke, the 5th common mode choke 50 '
The other end be connected to physical side 20.The first siding ring 401 ' and second siding ring 402 ' of 5th transformer 40 ' intercouple,
And it could be provided as equal non-stop layer tap.There are two connecting pins 4011 ' for the tool of first siding ring 401 ', and a connecting pin 4011 ' is even
It is connected between the first capacitor 61 and resistor 62, another connecting pin 4011 ' is connected to resistor 62 and the second capacitor 63
Between.
Network interface circuit 100 further includes Power over Ethernet circuit 65, and described 65 one end of Power over Ethernet circuit is connected to
Between the first centre cap 4013 and the first capacitor 61 of first coil 401, the other end is connected to physical side 20.Each signal
Transmission channel 31 is respectively connected with a Power over Ethernet circuit 65, and four Power over Ethernet circuits 65 are providing the direct current of 60W
Source meets UPOE specifications.
At least there are two being connected to physical side 20 after 4023 parallel connection of the second centre cap in four signal transmission passages 31, compared with
Good embodiment can will be connected to physical side 20 after four 4023 parallel connections of the second centre cap, can vacate in this way part terminal to
Five-channel 35 uses, to reduce mounting terminal usage amount.
As shown in Figures 2 to 6, a kind of network interface connector 700 its utilize above-mentioned network interface circuit 100.Incorporated by reference to
With reference to figure 1 and Fig. 2 to Fig. 6, network interface connector 700 it include craft port 71, extend eight in craft port 71
Docking terminal 72, installation bottom surface 73 extend downwardly several mounting terminals 75 beyond installation bottom surface 73 and are electrically connected at eight
Root docks four signal transmission passages between terminal 72 and several mounting terminals 75, and each signal transmission passage includes a change
Depressor, the transformer include that the first coil for docking the electric connection of terminal 72 with two and two mounting terminals 75 are electrically connected
The second coil, the second coil has the second centre cap for being electrically connected with physical side.At least there are two the second of transformer
A mounting terminal 75 (P9) is electrically connected to after centre cap parallel connection, the network interface connector 700, which also has, is used for common mode
The Five-channel of detection is fed back, Five-channel is electrically connected at two mounting terminals (P10, P11) in several mounting terminals 75.
Due to being electrically connected to a mounting terminal 75 (P9) after will have at least the second centre cap parallel connection of two transformers, peace is reduced
Dress number of terminals and the space for reducing occupancy connector, so that connector smaller.
Several mounting terminals 75 include signal end sub-district 301 and power end sub-district 302, and signal end sub-district 301 includes 12
Root mounting terminal (P1 ~ P12), power end sub-district 302 include four mounting terminals (P13 ~ P16) to transmit power over ethernet,
Two mounting terminals (P10 ~ P11) that Five-channel is electrically connected are located in signal end sub-district 301.Have in signal end sub-district 301
Eight mounting terminals (P1 ~ P8) and the second coil both ends of four transformers are electrically connected, and have one in signal end sub-district
Mounting terminal (P9) and the second centre cap of four transformers are electrically connected, and also have an idle peace in signal end sub-district 301
Fill terminal (P12).Since a mounting terminal will be connected to after four the second centre cap parallel connections, to which the free time has gone out three installations
Terminal, wherein two mounting terminals can be used for connecting with Five-channel, so as to the network interface of compatible four-way design
The Layout (ginseng Fig. 7 to Fig. 9) of the mounting terminal of connector.The first coil of each transformer has the first centre cap, electricity
Four butt of source sub-district can transmit the power over ethernet of 60W, and four mounting terminals (P13 ~ P16) of power end sub-district point
It is not electrically connected to the first centre cap of transformer.
Network interface connector 700 includes insulating body 74, is enclosed in the metal shell 76 in 74 outside of insulating body, installs
The indicator light 78 of elastic washer 77, instruction communication state on front side of metal shell.Eight docking fixations of terminal 72 are contained in absolutely
In edge ontology 74, craft port 71 is set to the front side of insulating body 74.Earth point 64 in 76 corresponding diagram 1 of metal shell, can
It is electrically connected with the ground plane in the mainboard (mother board) installed with network interface connector 700.
The foregoing is merely the better embodiment of the present invention, those of ordinary skill in the art are by reading explanation of the invention
Book and to any equivalent variation that technical solution of the present invention is taken, be that the claim of the present invention is covered.
Claims (10)
1. a kind of network interface circuit comprising cable-side, physical side, be connected between cable-side and physical side five it is logical
Road, five channels include four signal transmission passages and Five-channel, and Five-channel is common-mode feedback sense channel, each signal
Transmission channel is equipped with transformer, and transformer has the second coil of the first coil being connect with cable-side and physical side connection, the
One coil and the second coil all have centre cap, and the centre cap of first coil is in series with the first capacitor and earth point, institute
It further includes Power over Ethernet circuit to state network interface circuit, and the Power over Ethernet circuit on one side is connected to the center of first coil
Between tap and the first capacitor, the other end is connected to physical side, wherein the Five-channel includes the first connecting pin and connection
To the second connection end of physical side, first connecting pin is connected between the first capacitor and earth point.
2. network interface circuit as described in claim 1, it is characterised in that：The centre cap of second coil is connected to physics
Side.
3. network interface circuit as described in claim 1, it is characterised in that：Each signal transmission passage further includes that a common mode is gripped
Second coil of stream circle, described common mode choke one end and transformer connects, and the other end is connected to physical side.
4. network interface circuit as described in claim 1, it is characterised in that：The centre cap of the first coil is sequentially connected in series
First capacitor, resistor, the second capacitor to earth point.
5. network interface circuit as claimed in claim 4, it is characterised in that：Five-channel includes that the 5th transformer and the 5th are total
Mould choke coil, the 5th transformer include the second siding ring of first siding ring and the connection of the 5th common mode choke one end, and the 5th is total
The other end of mould choke coil is connected to physical side, and for first siding ring tool there are two connecting pin, a connecting pin is connected to the first electricity
Between container and resistor, another connecting pin is connected between resistor and the second capacitor.
6. network interface circuit as described in claim 1, it is characterised in that：Each signal transmission passage is respectively connected with an ether
Net power supply circuit, four Power over Ethernet circuits providing the DC power supply of 60W jointly.
7. network interface circuit as described in claim 1, it is characterised in that：At least there are two the in four signal transmission passages
It is connected to physical side after the centre cap parallel connection of two coil.
8. a kind of network interface connector comprising craft port, eight extended in craft port dock terminals, installation bottom
Face extends downwardly several mounting terminals beyond installation bottom surface and is electrically connected at eight docking terminals and several installation ends
Four signal transmission passages between son, each signal transmission passage include a transformer, and the transformer includes and two
The first coil that terminal is electrically connected and the second coil that two mounting terminals are electrically connected are docked, the second coil has and physics
The second centre cap that side is electrically connected, it is characterised in that：At least there are two electrical after the second centre cap parallel connection of transformer
It is connected to a mounting terminal, the network interface connector also has the Five-channel for common-mode feedback detection, Five-channel
Two mounting terminals being electrically connected in several mounting terminals.
9. network interface connector as claimed in claim 8, it is characterised in that：Several mounting terminals include signal end sub-district and
Power end sub-district, signal end sub-district include 12 mounting terminals, power end sub-district include four mounting terminals to transmit with
Too network source, two mounting terminals that Five-channel is electrically connected are located in signal end sub-district.
10. network interface connector as claimed in claim 9, it is characterised in that：There are eight mounting terminals in signal end sub-district
It is electrically connected with the second coil both ends of four transformers, there is a mounting terminal and four transformers in signal end sub-district
The second centre cap be electrically connected, also have an idle mounting terminal in signal end sub-district.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402226.9A CN106340761B (en) | 2015-07-10 | 2015-07-10 | Network interface circuit and apply its network interface connector |
| TW104124628A TWI590542B (en) | 2015-07-10 | 2015-07-30 | Network interface circuit and network connector using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402226.9A CN106340761B (en) | 2015-07-10 | 2015-07-10 | Network interface circuit and apply its network interface connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106340761A CN106340761A (en) | 2017-01-18 |
| CN106340761B true CN106340761B (en) | 2018-08-31 |
Family
ID=57827215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510402226.9A Active CN106340761B (en) | 2015-07-10 | 2015-07-10 | Network interface circuit and apply its network interface connector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106340761B (en) |
| TW (1) | TWI590542B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819588B (en) * | 2017-11-07 | 2020-10-30 | 晶晨半导体(上海)股份有限公司 | Network interface circuit |
| CN112600016B (en) * | 2020-11-25 | 2022-08-05 | Oppo广东移动通信有限公司 | Interface device, power supply apparatus, power receiving apparatus, and power consumption system |
| TWM624764U (en) * | 2021-10-29 | 2022-03-21 | 晶朔科技有限公司 | Transmission circuit for ethernet |
| TWM625463U (en) * | 2021-10-29 | 2022-04-11 | 晶朔科技有限公司 | Transmission circuit for ethernet |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207652Y (en) * | 2008-03-25 | 2009-03-11 | 富士康(昆山)电脑接插件有限公司 | Network interface circuit and electric connector having the circuit |
| CN201985356U (en) * | 2011-03-14 | 2011-09-21 | 吴小荣 | Sheet inner core embedded five-port network interface |
| CN102882074A (en) * | 2011-07-14 | 2013-01-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN202695878U (en) * | 2012-08-16 | 2013-01-23 | 乐清市华信电子有限公司 | Double-layer network interface with network transformer |
| CN102957148A (en) * | 2011-08-22 | 2013-03-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit |
| CN104104350A (en) * | 2013-04-11 | 2014-10-15 | 富士康(昆山)电脑接插件有限公司 | Filtering circuit and electric connector |
-
2015
- 2015-07-10 CN CN201510402226.9A patent/CN106340761B/en active Active
- 2015-07-30 TW TW104124628A patent/TWI590542B/en not_active IP Right Cessation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201207652Y (en) * | 2008-03-25 | 2009-03-11 | 富士康(昆山)电脑接插件有限公司 | Network interface circuit and electric connector having the circuit |
| CN201985356U (en) * | 2011-03-14 | 2011-09-21 | 吴小荣 | Sheet inner core embedded five-port network interface |
| CN102882074A (en) * | 2011-07-14 | 2013-01-16 | 富士康(昆山)电脑接插件有限公司 | Electric connector |
| CN102957148A (en) * | 2011-08-22 | 2013-03-06 | 富士康(昆山)电脑接插件有限公司 | Filter circuit |
| CN202695878U (en) * | 2012-08-16 | 2013-01-23 | 乐清市华信电子有限公司 | Double-layer network interface with network transformer |
| CN104104350A (en) * | 2013-04-11 | 2014-10-15 | 富士康(昆山)电脑接插件有限公司 | Filtering circuit and electric connector |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201703371A (en) | 2017-01-16 |
| TWI590542B (en) | 2017-07-01 |
| CN106340761A (en) | 2017-01-18 |
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