CN108023838A - Communication equipment - Google Patents
Communication equipment Download PDFInfo
- Publication number
- CN108023838A CN108023838A CN201610971266.XA CN201610971266A CN108023838A CN 108023838 A CN108023838 A CN 108023838A CN 201610971266 A CN201610971266 A CN 201610971266A CN 108023838 A CN108023838 A CN 108023838A
- Authority
- CN
- China
- Prior art keywords
- plug
- card
- backboard
- unit
- sub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/40—Constructional details, e.g. power supply, mechanical construction or backplane
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
Abstract
The invention discloses a kind of communication equipment, which includes:Equipment cabinets, at least two backboard units being fixed in the equipment cabinets, multiple the first plug-in cards laterally set and the second plug-in card and multiple the 3rd longitudinally disposed plug-in cards, the 3rd plug-in card is between first plug-in card and second plug-in card;One of them described backboard unit connects first plug-in card and the 3rd plug-in card, and backboard unit described in other in which connects second plug-in card and the 3rd plug-in card.The present invention devises a kind of communication equipment for realizing backboard miniaturization, being in communication with each other between each backboard unit is realized by the second plug-in card between the backboard unit of multiple miniaturizations, and being in communication with each other between each first plug-in card, it can meet the process requirements of backboard, while can meet the communication requirement between each plug-in card.
Description
Technical field
The present invention relates to technical field of communication equipment, more particularly to a kind of communication equipment.
Background technology
In communication products design, it is often required to clearly divide the function of plug-in card, passes through between the plug-in card of difference in functionality
Connector connection is in communication with each other, so as to fulfill a complicated system.
In complicated system, often through the pluggable cabinet of development module, various modules are then designed according to demand
(plug-in card), plug-in card are generally linked together by System Backplane (backplane).During system design, same type plug-in card is usual
Fixed signal connection relation is defined, so as to fulfill flexible configuration/replacement demand.
For further complicated big system, system architecture is higher, causes the backboard size needed for system also larger.So
And by the working ability of existing backboard, all plug-in card regions can not be covered, it is impossible to meet the backboard of maximization size needed for system
Demand.
The content of the invention
In view of this, the present invention propose a kind of miniaturization of backboard coordinate the communication equipment that at least two plug-in cards are in communication with each other with
Solve above-mentioned technical problem.
In order to achieve the above object, the technical solution adopted in the present invention is:
A kind of communication equipment, including:It is equipment cabinets, at least two backboard units being fixed in the equipment cabinets, more
A the first plug-in card laterally set and the second plug-in card and multiple the 3rd longitudinally disposed plug-in cards, the 3rd plug-in card are located at institute
State between the first plug-in card and second plug-in card;
One of them described backboard unit connects first plug-in card and the 3rd plug-in card, backboard unit described in other in which
Connect second plug-in card and the 3rd plug-in card.
Communication equipment of the present invention further improvement lies in that, at least two backboards unit include be connected to described first
First backboard unit of plug-in card and the 3rd plug-in card, the second backboard list for being connected to second plug-in card and the 3rd plug-in card
Member and the expanded back panel for being connected to each 3rd plug-in card;
Wherein, the expanded back panel is between the first backboard unit and the second backboard unit, and described first
Backboard unit and the second backboard unit include the first sub- backboard unit and the second sub- backboard unit being set up in parallel respectively.
Communication equipment of the present invention further improvement lies in that, between multiple backboard units, the first sub- backboard list
It is first that heat dissipation is provided between the described second sub- backboard unit, and between multiple backboard units and the expanded back panel is logical
Road.
Communication equipment of the present invention further improvement lies in that, the first sub- backboard unit includes be set up in parallel multiple turns
Connect backboard.
Communication equipment of the present invention further improvement lies in that, the signal transmission rate of the first sub- backboard unit is more than institute
State the signal transmission rate of the second sub- backboard unit and the expanded back panel.
Communication equipment of the present invention further improvement lies in that, at least two backboards unit for PCB backboards, cable carry on the back
The combination of plate or PCB backboards and cable backboard, the expanded back panel are PCB backboards or cable backboard.
Communication equipment of the present invention further improvement lies in that, the first sub- backboard unit is cable backboard, described second
Sub- backboard unit and the expanded back panel are PCB backboards.
Communication equipment of the present invention further improvement lies in that, the cable backboard includes a plurality of communications cable, multiple first
The second connector array that the first connector array and multiple second connectors that connector is formed are formed;Every communications cable
One end connects the first connector, and the other end connects the second connector;
Wherein, the first connector gone together in first connector array to first plug-in card or described second
Plug-in card connects, and the second connector of same column with the 3rd plug-in card being connected in second connector array.
Communication equipment of the present invention further improvement lies in that,
The signal transmission rate for the connector being connected on multiple first plug-in cards with the described first sub- backboard unit is more than
The signal transmission rate for the connector being connected with the described second sub- backboard unit;
The signal transmission rate for the connector being connected on multiple second plug-in cards with the described first sub- backboard unit is more than
The signal transmission rate for the connector being connected with the described second sub- backboard unit;
The signal transmission rate for the connector being connected on multiple 3rd plug-in cards with the described first sub- backboard unit is more than
The signal transmission rate for the connector being connected respectively with the described second sub- backboard unit and the expanded back panel.
Communication equipment of the present invention further improvement lies in that, first plug-in card and second plug-in card are business board,
For part the 3rd plug-in card to exchange board, remaining described 3rd plug-in card is master control board card.
Compared with prior art, the present invention devises a kind of communication equipment for realizing backboard miniaturization, multiple miniaturizations
Backboard unit between being in communication with each other between each backboard unit realized by the second plug-in card, and each first plug-in card it
Between be in communication with each other, can meet the process requirements of backboard, while can meet the communication requirement between each plug-in card.
Brief description of the drawings
Fig. 1 is the structure that a kind of communication equipment dorsulum unit shown in one exemplary embodiment of the application is connected with plug-in card
Schematic diagram;
Fig. 2 is the knot that a kind of communication equipment dorsulum unit shown in the application further example embodiment is connected with plug-in card
Structure schematic diagram;
Fig. 3 is the knot that a kind of communication equipment dorsulum unit shown in the application further example embodiment is connected with plug-in card
Structure schematic diagram;
Fig. 4 is the structure diagram that a kind of switching backboard shown in one exemplary embodiment of the application is connected with plug-in card;
Fig. 5 is the knot that a kind of communication equipment dorsulum unit shown in the application further example embodiment is connected with plug-in card
Structure schematic diagram;
Fig. 6 is the structure diagram that a kind of cable backboard shown in one exemplary embodiment of the application is connected with plug-in card.
Embodiment
Below with reference to embodiment shown in the drawings, the present invention will be described in detail.But these embodiments are simultaneously
The present invention is not limited, structure that those of ordinary skill in the art are made according to these embodiments, method or functionally
Conversion is all contained in protection scope of the present invention.
It is only merely for the purpose of description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
It is also intended in " one kind " of singulative of the invention and used in the attached claims, " described " and "the" including majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
Containing the associated list items purpose of one or more, any or all may be combined.
As shown in Figure 1, Fig. 1 is a kind of the communication equipment dorsulum unit and plug-in card shown in one exemplary embodiment of the application
The structure diagram of connection.The communication equipment of the present invention includes:Equipment cabinets (not shown), be fixed in equipment cabinets at least
Two backboard units 2, multiple the first plug-in cards 101 laterally set and the second plug-in card 102 and the multiple longitudinally disposed 3rd insert
Card 103, the 3rd plug-in card 103 is between the first plug-in card 101 and the second plug-in card 102.Wherein, there is connector on backboard unit 2
Array, the company with connector array mating connector is both provided with the first plug-in card 101, the second plug-in card 102 and the 3rd plug-in card 103
Device, the first plug-in card 101 and the second plug-in card 102 is connect to go together by connector array on connector thereon and backboard unit 2
Connector is connected, the connection that the 3rd plug-in card 103 passes through the same column of connector array on connector thereon and backboard unit 2
Device is connected.
In the present invention, which is business board, and the 3rd plug-in card 103 of part is exchange
Board, the 3rd plug-in card 103 of remainder is master control board card.Certainly, in the other embodiment of invention, the first plug-in card 101,
The type of two plug-in cards 102 and the 3rd plug-in card 103 is not limited to this, and can also be the board that any types are in communication with each other, example
Such as:First plug-in card 101 and the second plug-in card 102 can also be memory plug-in card, and the 3rd plug-in card 103 can also be network interface card.
Wherein, one of backboard unit 2 connects the first plug-in card 101 and the 3rd plug-in card 103, other in which backboard unit
2 the second plug-in cards 102 of connection and the 3rd plug-in card 103.In this embodiment, the 3rd plug-in card 103 is connected across multiple backboard lists respectively
Between member 2, the linking communication between multiple backboard units 2 is played, to be connected between multiple business boards of backboard unit 2
It can be realized and be in communication with each other by the connection of the 3rd plug-in card 103 and backboard unit 2.Optionally, at least two backboard units 2 are
The combination of PCB backboards, cable backboard or PCB backboards and cable backboard.In addition, it is necessary to explanation, in the present invention the
The definition of one plug-in card 101 and the second plug-in card 102, which is distinguished, to be, business board is divided into two parts, for the class of business board
Type does not have concrete restriction.
As shown in Figure 1, in one embodiment of this invention, backboard unit 2 is two, and the 3rd plug-in card 103 is connected to two
Between backboard unit 2, business board (i.e. the first plug-in card 101 or the second plug-in card 102) is connected on two backboard units 2,
Communicate to connect, and then can be realized between multiple business boards between can realizing two backboard units 2 by the 3rd plug-in card 103
Be in communication with each other.Wherein, heat dissipation channel is constituted between two backboard units 2, is conducive to the heat dissipation between the backboard unit 2.
As shown in Fig. 2, in another embodiment of the present invention, at least two backboard units include being connected to the first plug-in card
101 and the 3rd plug-in card 103 the first backboard unit 21, be connected to the second backboard unit of the second plug-in card 102 and the 3rd plug-in card 103
22 and it is connected to the expanded back panel 23 of each 3rd plug-in card 103.Wherein, expanded back panel 23 positioned at the first backboard unit 21 with
Between second backboard unit 22, further, the first backboard unit 21 and the second backboard unit 22 include what is be set up in parallel respectively
First sub- 211 and second sub- backboard unit 212 of backboard unit.
In this embodiment, between multiple backboard units 2, the first sub- 211 and second sub- backboard unit 212 of backboard unit it
Between, and it is provided with heat dissipation channel between multiple backboard units 2 and expanded back panel 23.It is arranged such not only and is conducive to backboard list
The heat dissipation of member 2, and be conducive to improve the integral heat sink ability of communication equipment.
As shown in Figures 2 to 4, in the alternative embodiment of the present invention, the first sub- backboard unit 211 includes being set up in parallel
Multiple switching backboards 2111, each backboard 2111 of transferring is slotting by the connector set thereon and the first plug-in card 101 and the 3rd
Card 103 is connected or is connected with the second plug-in card 102 and the 3rd plug-in card 103.The switching backboard 2111 has signal transmission rate
Hurry up, easy to extend the advantages that, and be conducive to backboard miniaturization processing.In the present embodiment, the letter of the switching backboard 2111
Number transmission rate is higher than the signal transmission rate of PCB backboards.In addition, it is logical to be additionally provided with heat dissipation between adjacent switching backboard 2111
Road, can further accelerate the heat dissipation of the communication equipment dorsulum unit.
In the present invention, the signaling rate of the first sub- backboard unit 211 is more than the second sub- backboard unit 212 and extension
The signaling rate of backboard 23.Wherein, the first sub- backboard unit 211 is High speed rear panel, the second sub- backboard unit 212 and extension
Backboard 23 is low-speed backplane.It is arranged such with different parts on the first plug-in card 101 of satisfaction, the second plug-in card 102 and the 3rd plug-in card 103
Signal rate transmission demand and backboard miniaturization demand.It is corresponding, the first plug-in card 101 and switching backboard in the present embodiment
The connector and the 3rd plug-in card 103 and switching that connector, the second plug-in card 102 of 2111 connections are connected with switching backboard 2111
The connector that backboard 2111 connects can use high speed connector, and signal transmission rate can further be accelerated by so coordinating,
The work efficiency of communication equipment can be improved.Certainly, in other embodiments of the invention, the second sub- backboard unit 212 and expansion
Exhibition backboard 23 can also select switching backboard.
Wherein, at least two backboard units 21 can be PCB backboards, cable backboard or PCB backboards and cable backboard
Combination, expanded back panel 23 can be PCB backboards or cable backboard.Specifically, depending on design requirement, in the embodiment of the present invention
Do not limit.As shown in Figure 2, Figure 5 and Figure 6, in the alternative embodiment of the present invention, the first sub- backboard unit 211 is line
Cable backboard 213, the second sub- backboard unit 212 and expanded back panel 23 are PCB backboards.In the embodiment, the first sub- backboard unit 211
Using cable backboard 213, it can further simplify back plate design, while signal transmission rate is further improved, may be used also
To solve high-speed link SI performance issues well using the high speed characteristics of high-speed cable.
Wherein, cable backboard 213 includes a plurality of communications cable 2131, the first connector battle array that multiple first connectors are formed
The second connector array 2133 that row 2132 and multiple second connectors are formed.One end connection first of every communications cable 2131
Connector, the other end connect the second connector.The communications cable 2131 uses high-speed cable, wherein, the first connector array
The first connector gone together in 2132 with 101 or second plug-in card 102 of the first plug-in card to be connected, the second connector array
Second connector of same column with the 3rd plug-in card 103 being connected in 2133., not only can letter using cable backboard in the embodiment
Change back board structure, and signal transmission rate can be improved.
As shown in Figures 2 to 6, carried on the back with meeting that the signal transmission rate of the above-mentioned first sub- backboard unit 211 is more than the second son
The embodiment of the signal transmission rate of Slab element 212 and expanded back panel 23 is corresponding, is carried on the back on multiple first plug-in cards 101 with the first son
The signal transmission rate for the connector that Slab element 211 connects is more than the signal for the connector being connected with the second sub- backboard unit 212
Transmission rate;The signal transmission rate for the connector being connected on multiple second plug-in cards 102 with the first sub- backboard unit 211 be more than with
The signal transmission rate for the connector that second sub- backboard unit 212 connects;On multiple 3rd plug-in cards 103 with the first sub- backboard unit
The signal transmission rate of the connector of 211 connections is more than the company being connected respectively with the second sub- backboard unit 212 and expanded back panel 23
Connect the signal transmission rate of device.The present invention can meet to believe at a high speed by way of this kind of high speed connector coordinates High speed rear panel
Number transmission demand.
The present invention devises a kind of communication equipment for realizing backboard miniaturization, passes through between the backboard unit of multiple miniaturizations
Second plug-in card realizes being in communication with each other between each backboard unit, and being in communication with each other between each first plug-in card, can be with
Meet the process requirements of backboard, while can meet the communication requirement between each plug-in card.In the designing scheme of the present invention, logical
When believing the increase of equipment slots position, the height of equipment cabinets can be increased directly up.It is possible to further according to backboard unit
Signal rate transmission demand, backboard unit is designed as to the group of High speed rear panel, low-speed backplane or High speed rear panel and low-speed backplane
Close, can be further using switching backboard or cable backboard for High speed rear panel unit.
Those skilled in the art will readily occur to the present invention its after considering specification and putting into practice invention disclosed herein
Its embodiment.This application is intended to cover the present invention any variations, uses, or adaptations, these modifications, purposes or
Person's adaptive change follows the general principle of the present invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by the application
Claim point out.
It should be appreciated that the invention is not limited in the precision architecture for being described above and being shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is only limited by appended claim.
Claims (10)
- A kind of 1. communication equipment, it is characterised in that including:Equipment cabinets, at least two back ofs the body being fixed in the equipment cabinets Slab element, multiple the first plug-in cards laterally set and the second plug-in card and multiple the 3rd longitudinally disposed plug-in cards, the described 3rd inserts It is positioned between first plug-in card and second plug-in card;One of them described backboard unit connects first plug-in card and the 3rd plug-in card, and backboard unit described in other in which connects Second plug-in card and the 3rd plug-in card.
- 2. communication equipment according to claim 1, it is characterised in that at least two backboards unit includes being connected to institute State the first backboard unit of the first plug-in card and the 3rd plug-in card, be connected to the second of second plug-in card and the 3rd plug-in card Backboard unit and the expanded back panel for being connected to each 3rd plug-in card;Wherein, the expanded back panel is between the first backboard unit and the second backboard unit, first backboard Unit and the second backboard unit include the first sub- backboard unit and the second sub- backboard unit being set up in parallel respectively.
- 3. communication equipment according to claim 2, it is characterised in that between multiple backboard units, first son Between backboard unit and the second sub- backboard unit, and it is provided between multiple backboard units and the expanded back panel Heat dissipation channel.
- 4. communication equipment according to claim 2, it is characterised in that the first sub- backboard unit includes what is be set up in parallel Multiple switching backboards.
- 5. the communication equipment according to claim 2 or 4, it is characterised in that the signal transmission of the first sub- backboard unit Speed is more than the signal transmission rate of the described second sub- backboard unit and the expanded back panel.
- 6. communication equipment according to claim 2, it is characterised in that at least two backboards unit is PCB backboards, line The combination of cable backboard or PCB backboards and cable backboard, the expanded back panel are PCB backboards or cable backboard.
- 7. communication equipment according to claim 6, it is characterised in that the first sub- backboard unit is cable backboard, institute It is PCB backboards to state the second sub- backboard unit and the expanded back panel.
- 8. the communication equipment according to claim 6 or 7, it is characterised in that the cable backboard includes a plurality of communications cable, The second connector array that the first connector array and multiple second connectors that multiple first connectors are formed are formed;Every logical Believe that one end of cable connects the first connector, the other end connects the second connector;Wherein, the first connector gone together in first connector array to first plug-in card or second plug-in card Connection, the second connector of same column with the 3rd plug-in card being connected in second connector array.
- 9. according to the communication equipment any one of claim 2,4 or 7, it is characterised in thatThe signal transmission rate for the connector being connected on multiple first plug-in cards with the described first sub- backboard unit is more than and institute State the signal transmission rate of the connector of the second sub- backboard unit connection;The signal transmission rate for the connector being connected on multiple second plug-in cards with the described first sub- backboard unit is more than and institute State the signal transmission rate of the connector of the second sub- backboard unit connection;The signal transmission rate for the connector being connected on multiple 3rd plug-in cards with the described first sub- backboard unit is more than difference The signal transmission rate for the connector being connected with the described second sub- backboard unit and the expanded back panel.
- 10. communication equipment according to claim 1, it is characterised in that first plug-in card and second plug-in card are industry Business board, for part the 3rd plug-in card to exchange board, remaining described 3rd plug-in card is master control board card.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610971266.XA CN108023838B (en) | 2016-10-31 | 2016-10-31 | Communication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610971266.XA CN108023838B (en) | 2016-10-31 | 2016-10-31 | Communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108023838A true CN108023838A (en) | 2018-05-11 |
CN108023838B CN108023838B (en) | 2021-04-27 |
Family
ID=62084752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610971266.XA Active CN108023838B (en) | 2016-10-31 | 2016-10-31 | Communication device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108023838B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108966593A (en) * | 2018-07-11 | 2018-12-07 | 新华三技术有限公司 | Cabinet and communication equipment |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103051566A (en) * | 2012-12-27 | 2013-04-17 | 华为技术有限公司 | Backplane device and communication equipment |
CN103236991A (en) * | 2013-03-29 | 2013-08-07 | 华为技术有限公司 | Communication system |
EP2723027A2 (en) * | 2012-10-19 | 2014-04-23 | Huawei Technologies Co., Ltd. | Three-dimensional backplane |
CN204539679U (en) * | 2015-04-29 | 2015-08-05 | 杭州华三通信技术有限公司 | Communication equipment |
CN105027518A (en) * | 2013-12-04 | 2015-11-04 | 华为技术有限公司 | Interconnection system for communications device |
-
2016
- 2016-10-31 CN CN201610971266.XA patent/CN108023838B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2723027A2 (en) * | 2012-10-19 | 2014-04-23 | Huawei Technologies Co., Ltd. | Three-dimensional backplane |
CN103051566A (en) * | 2012-12-27 | 2013-04-17 | 华为技术有限公司 | Backplane device and communication equipment |
CN103236991A (en) * | 2013-03-29 | 2013-08-07 | 华为技术有限公司 | Communication system |
CN105027518A (en) * | 2013-12-04 | 2015-11-04 | 华为技术有限公司 | Interconnection system for communications device |
CN204539679U (en) * | 2015-04-29 | 2015-08-05 | 杭州华三通信技术有限公司 | Communication equipment |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108966593A (en) * | 2018-07-11 | 2018-12-07 | 新华三技术有限公司 | Cabinet and communication equipment |
Also Published As
Publication number | Publication date |
---|---|
CN108023838B (en) | 2021-04-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20080123552A1 (en) | Method and system for switchless backplane controller using existing standards-based backplanes | |
US20130010787A1 (en) | Rack server system | |
CN106326168B (en) | Connecting circuit and computer system with same | |
CN103503590A (en) | Heat-radiation system for communication equipment | |
CN1988681B (en) | Front and back stagged double side insert plate back plate | |
EP2800301B1 (en) | Fabric card and communications device | |
US20070233927A1 (en) | Backplane interconnection system and method | |
US6608761B2 (en) | Multiple processor cards accessing common peripherals via transparent and non-transparent bridges | |
CN108023838A (en) | Communication equipment | |
CN103488605A (en) | Bus architecture for multiprocessor parallel communication | |
US20090073669A1 (en) | Double-width advanced mezzanine card, communication system and unit | |
CN101841734B (en) | Back plate and back plate communication system | |
CN102497308B (en) | Multiple slot switch | |
CN105027518B (en) | Interconnection system for communication equipment | |
CN101741711B (en) | Fabric switch card independent from MCH and Micro Telecommunications Computing Architecture system | |
CN101217380A (en) | An ATCA machine dimensions frame and machine dimensions frame system | |
CN108733610B (en) | Exchange board and blade server | |
US9750135B2 (en) | Dual faced ATCA backplane | |
EP3286886B1 (en) | System and method of an improved line card design | |
US7064961B2 (en) | Communication device | |
CN103098317A (en) | Signal transmission apparatus and electronic device | |
CN102346503B (en) | Cabinet and cabinet system | |
CN1288878C (en) | Multi-user expansion system | |
EP2658276B1 (en) | Telecommunications equipment | |
US11991095B2 (en) | Network system and mapping device capable of scaling fabric size |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |