WO2018228124A1 - 一种网络设备及纵向接口 - Google Patents

一种网络设备及纵向接口 Download PDF

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Publication number
WO2018228124A1
WO2018228124A1 PCT/CN2018/087265 CN2018087265W WO2018228124A1 WO 2018228124 A1 WO2018228124 A1 WO 2018228124A1 CN 2018087265 W CN2018087265 W CN 2018087265W WO 2018228124 A1 WO2018228124 A1 WO 2018228124A1
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WO
WIPO (PCT)
Prior art keywords
interface
longitudinal
interfaces
panel
network device
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.)
Ceased
Application number
PCT/CN2018/087265
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English (en)
French (fr)
Inventor
谭国斌
李健
郭佩峻
李世强
郑国兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to EP18818642.3A priority Critical patent/EP3627631A4/en
Priority to JP2019569390A priority patent/JP2020523761A/ja
Priority to KR1020197037315A priority patent/KR20200004423A/ko
Publication of WO2018228124A1 publication Critical patent/WO2018228124A1/zh
Priority to US16/712,599 priority patent/US20200116959A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/13—Patch panels for monitoring, interconnecting or testing circuits, e.g. patch bay, patch field or jack field; Patching modules
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4274—Electrical aspects
    • G02B6/428—Electrical aspects containing printed circuit boards [PCB]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4256—Details of housings
    • G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4274—Electrical aspects
    • G02B6/4278—Electrical aspects related to pluggable or demountable opto-electronic or electronic elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/60—Means for supporting coupling part when not engaged
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/04—Connectors or connections adapted for particular applications for network, e.g. LAN connectors

Definitions

  • the present application relates to the field of network communications, and in particular, to a network device and a vertical interface.
  • a network device provides communication services by transmitting data to a host or terminal in a network.
  • the data of the host or terminal must be sent to the network device through the interface of the network device.
  • optical interfaces can provide a larger transmission rate than electrical interfaces
  • current network devices generally use optical interfaces.
  • the user connector English: subscriber connector, SC for short
  • small form-factor pluggable (SFP) interface and four-channel small pluggable Pull (English: quad small form-factor pluggable, referred to as: QSFP) interface.
  • Each interface includes a housing (also known as a cage) and a connector, wherein the housing is embedded in the opening of the panel of the network device for isolating and protecting the connector, the printed circuit board in the connector and the network device (English: printed circuit) Board, PCB) connections for data exchange.
  • the width of the network equipment is generally set. Since deploying more interfaces on the panel of the network device can fully utilize the processing capability of the internal chip of the network device, improve space utilization, and reduce the cost of the network device, how to deploy more interfaces on the panel with the set width becomes an urgent problem in the field. The problem.
  • the present application provides a network device and a vertical interface, which can deploy more interfaces on the panel to increase the density of the interface on the panel when the width of the panel of the network device is constant.
  • the application provides a network device, including a panel, a printed circuit board PCB, and N longitudinal interfaces, where N is greater than or equal to two.
  • Each of the N longitudinal interfaces provides at least one optical interface/electrical interface, and a width of each of the at least one optical interface/electrical interface is smaller than that of the optical interface/electrical interface height.
  • the panel is connected to the PCB, the panel includes N longitudinal openings; each of the N longitudinal interfaces includes a housing, a connecting component and a connector; the housing is for passing the N on the panel
  • One of the longitudinal openings is embedded in the panel, the connecting member is for connecting the longitudinal interface to the PCB, and the connector is for transmitting through the connecting member and the PCB signal.
  • the first aspect of the present application deploys a vertical interface on a panel of the network device, and the width of the optical interface/electrical interface provided by the vertical interface is smaller than the height of the optical interface/electrical interface. Therefore, in the case where the panel width of the network device is constant, more interface numbers can be set on the panel, the density of the interface on the panel is increased, the utilization of the panel size is improved, and the flexibility of interface deployment is increased.
  • the connecting member includes a plurality of pins, the plurality of pins being disposed in a plurality of rows at a bottom of the longitudinal interface, the longitudinal interface passing through the plurality of pins Connected to the PCB.
  • the vertical interface is connected to the PCB through the pin, which can improve the assembly efficiency of the network device.
  • the connecting member includes a cable disposed at a tail of the longitudinal interface, the longitudinal interface being coupled to the PCB by the cable. Since the cable is a flexible connecting device, the longitudinal interface and the PCB are connected by a cable, and the problem that the vertical interface is not available due to damage of the connecting member can be avoided.
  • part or all of the longitudinal interfaces of the N longitudinal interfaces are single layers Interface, each single layer interface provides an optical interface / electrical interface.
  • the number of interfaces provided by the traditional double-layer horizontal interface can be realized by using a single-layer vertical interface when the number of interfaces required by the network device is between the number of interfaces provided by the single-layer horizontal interface and the number of interfaces provided by the dual-layer horizontal interface. , reducing the hardware cost and implementation complexity of the device.
  • part or all of the longitudinal interfaces of the N longitudinal interfaces are multiple layers An interface, each multi-layer interface providing at least two optical interfaces/electrical interfaces, the at least two optical interfaces/electrical interfaces sharing the connectors.
  • the two-layer interface provided by the embodiment of the present invention can implement the number of interfaces that need to be implemented by a three-layer interface or a four-layer interface in the prior art, and avoids the difficulty of processing and assembly processes when using a three-layer interface or a four-layer interface. Large, high manufacturing costs and other issues.
  • the network device may further include M horizontal interfaces, where M is greater than or equal to 1.
  • M is greater than or equal to 1.
  • the connection method of the M horizontal interfaces is a prior art, and details are not described herein.
  • a second aspect of the embodiments of the present application provides a longitudinal interface including a housing, a connecting component and a connector, the vertical interface providing at least one optical interface/electrical interface, each of the at least one optical interface/electrical interface
  • the width of the optical interface/electrical interface is less than the height of the optical interface/electrical interface
  • the outer casing is for embedding the longitudinal interface into the panel through one of the N longitudinal openings on the panel of the network device, N is greater than or equal to 2
  • the connecting member is for connecting the longitudinal interface to a printed circuit board PCB of the network device
  • the connector is for transmitting a signal through the connecting member and the PCB.
  • the connecting member includes a plurality of pins, the plurality of pins being disposed at a plurality of rows at a bottom of the longitudinal interface, the longitudinal interface passing through the plurality of A pin is connected to the PCB.
  • the connecting member includes a cable disposed at a tail of the longitudinal interface, the longitudinal interface being coupled to the PCB by the cable.
  • the vertical interface is a single layer interface
  • the single layer interface provides a Optical interface / electrical interface
  • the vertical interface is a multi-layer interface
  • the multi-layer interface provides at least Two optical interfaces/electrical interfaces, the at least two optical interfaces/electrical interfaces sharing the connectors.
  • Figure 1a is a perspective view of a horizontal single layer interface
  • Figure 1b is a schematic structural view of a connector of a horizontal single layer interface
  • FIG. 1c is a schematic structural diagram of a panel of a network device in which multiple horizontal single layer interfaces are deployed;
  • Figure 2a is a perspective view of a lateral double layer interface
  • Figure 2b is a cross-sectional view of the lateral double layer interface
  • FIG. 2 is a schematic structural diagram of a panel of a network device in which a plurality of horizontal double-layer interfaces are deployed;
  • FIG. 3 is a schematic structural diagram of a network device according to an embodiment of the present application;
  • FIG. 4 is a schematic diagram of a panel of the network device shown in FIG. 3;
  • FIG. 5a is a schematic structural view of the vertical interface shown in FIG. 3 when the vertical interface is a single layer interface;
  • Figure 5b is a schematic view showing the structure of the connecting member of the longitudinal interface shown in Figure 5a when the pin is a pin;
  • Figure 5c is a schematic structural view of the connecting member of the longitudinal interface shown in Figure 5a when the cable is a cable;
  • FIG. 6 is a schematic structural diagram of a network device according to an embodiment of the present disclosure when a vertical interface is a dual-layer interface;
  • FIG. 6b is a schematic structural diagram of the network device shown in FIG. 6a when the connecting component of the vertical interface is a cable;
  • Fig. 6c is a schematic structural view of the longitudinal interface shown in Fig. 6a when it is a double layer interface.
  • the SC interface, the SFP interface, and the QSFP interface are installed on the network device, the SC interface, the SFP interface, and the QSFP interface are horizontal interfaces, that is, interfaces whose length is greater than the width.
  • the current horizontal interface includes a single layer interface and a dual layer interface, wherein the single layer interface includes only one interface, and the dual layer interface includes two interfaces that are superimposed.
  • FIG. 1a shows a perspective view of a lateral single layer interface 100 comprising a housing 11, a plurality of pins 12 and a connector 13.
  • the connector 13 is mounted in the housing 11 so that the connector 13 is not visible in Figure 1a.
  • the plurality of pins 12 are disposed in two rows at the bottom of the housing 11 for connecting the lateral single layer interface 100 to the PCB.
  • the horizontal single layer interface 100 provides an interface 14.
  • Fig. 1b shows a schematic view of the structure of the connector 13 of the transverse single layer interface 100, which provides a receptacle 131 for connecting the optical modules inserted through the interface 14 (not shown in Fig. 1b).
  • FIG. 1c is a schematic structural diagram of a panel of a network device in which a plurality of horizontal single layer interfaces are deployed.
  • FIG. 2a shows a perspective view of a lateral dual layer interface 200 that includes a housing 21, a plurality of pins 22, and a connector 23.
  • the connector 23 is mounted in the housing 21 so that the connector 23 is not visible in Figure 2a.
  • the plurality of pins 22 are disposed in two rows at the bottom of the housing 21 for plugging the lateral dual layer interface 200 onto the PCB.
  • the lateral dual layer interface 200 provides two superimposed interfaces 24a and 24b.
  • Figure 2b shows a cross-sectional view of the transverse double layer interface 200.
  • the connector 23 of the lateral double layer interface 200 provides two receptacles 231a and 231b for connection through the interfaces 24a and 24b, respectively.
  • the lateral dual layer interface 200 shown in Figures 2a and 2b can be used to fabricate network devices.
  • 2c is a schematic structural diagram of a panel of a network device in which a plurality of horizontal double-layer interfaces are deployed.
  • the horizontal double-layer interface can maximize the width of the panel of the network device, since the width of the network device is limited by the size of the cabinet, the width of the panel of the network device cannot be increased arbitrarily, and the existing horizontal double-layer interface is adopted. The number of interfaces provided on the network device still does not meet the needs. A theoretical solution is to extend the number of interfaces of network devices by using three or more interfaces in the horizontal direction.
  • the three-layer interface requires three interfaces to be superimposed and connected to the PCB through the same controller, which greatly increases the process difficulty and manufacturing cost of the processing and assembly, and thus is not practically applied.
  • optical interface is taken as an example to illustrate the defect of the horizontal interface, and the horizontal electrical interface has similar problems. Therefore, the interface in the following embodiments of the present invention may be referred to as an optical interface or an electrical interface.
  • the embodiment of the present application provides a network device, where the network device includes a panel, a printed circuit board PCB, and N vertical interfaces, where N is greater than or equal to 2.
  • Each of the N longitudinal interfaces provides at least one optical interface/electrical interface, and a width of each of the at least one optical interface/electrical interface is smaller than that of the optical interface/electrical interface Height;
  • the panel is connected to the PCB, the panel includes N longitudinal openings;
  • each of the N longitudinal interfaces includes a housing, a connecting member and a connector; the housing is for passing through the panel
  • One of the N longitudinal openings embeds the longitudinal interface in the panel
  • the connecting member is for connecting the longitudinal interface to the PCB
  • the connector is for passing the connecting member and the PCB transmits signals.
  • the longitudinal opening refers to a hole opened in the panel for deploying the interface on the panel, the width of the hole being smaller than the height of the hole, and the size of the hole enables the longitudinal interface to be embedded in the panel without loosening.
  • the optical interface/electrical interface refers to an optical interface or an electrical interface.
  • the embodiment of the present application further provides a vertical interface
  • the vertical interface includes a housing, a connecting component and a connector
  • the vertical interface provides at least one optical interface/electrical interface, and the at least one optical interface/electrical interface
  • the width of each of the optical/electrical interfaces is less than the height of the optical/electrical interface
  • the outer casing is for embedding the longitudinal interface through one of the N longitudinal openings on the panel of the network device A panel, the connecting member for connecting the longitudinal interface to a printed circuit board PCB of the network device, the connector for transmitting signals through the connecting member and the PCB.
  • FIG. 3 is a schematic structural diagram of a network device 300 according to an embodiment of the present application.
  • the network device 300 includes a panel 31, a PCB 32 and N longitudinal interfaces 33.
  • the panel 31 is connected to the PCB 32, and N is greater than or equal to 2.
  • Each of the N longitudinal interfaces provides at least one optical interface/electrical interface, and the width of each optical interface/electrical interface is less than the height of the optical interface/electrical interface.
  • FIG. 4 is a schematic diagram of a panel of the network device shown in FIG. 3.
  • the panel 31 comprises N longitudinal openings, each longitudinal opening for embedding a longitudinal interface 33 in the panel 31.
  • Each of the N longitudinal interfaces includes a housing, a connecting member and a connector; the housing for embedding the longitudinal interface into the panel through one of the N longitudinal openings on the panel
  • the connecting member is for connecting the longitudinal interface to the PCB
  • the connector is for transmitting a signal through the connecting member and the PCB.
  • the schematic diagram of the longitudinal interface 33 is a single layer interface
  • the longitudinal interface 33 includes a housing 331 and a connector 333
  • the width of the housing 331 is smaller than the height of the housing
  • the housing 331 is used for packaging.
  • the connector 333 is provided with a connecting member 332 for connecting the longitudinal interface 33 to the PCB 32, and a connector 333 for transmitting signals through the connecting member 332 and the PCB 32.
  • the longitudinal interface 33 is used to provide an interface 334.
  • the connecting member 332 is specifically a connecting member 332a including a plurality of pins, and the plurality of pins are disposed in a plurality of rows at the bottom of the longitudinal interface 33.
  • a connecting member 332a is used to connect the longitudinal interface 33 to the PCB 32 through the plurality of pins.
  • the connection may be welded, crimped, snapped or connected by other structural members or fasteners. The multiple acts at least two lines.
  • the pin Since the pin has an easy-to-plug feature, connecting the vertical interface 33 to the PCB 32 through the pin can improve the assembly efficiency of the network device.
  • the connecting member 332 is specifically a connecting member 332b including a cable disposed at the tail of the longitudinal interface, the connecting member 332b for passing the longitudinal interface 33 through A cable is connected to the PCB 32.
  • the width of the optical interface/electrical interface in this application is smaller than the height of the optical interface/electrical interface, that is, the height of the optical interface/electrical interface is large.
  • the pins are The process requirements are relatively high and it is prone to pin damage. Since the cable is a flexible material, it can be bent at will. Therefore, the connection member of the multi-layer longitudinal interface adopts a cable to avoid the problem that the longitudinal interface is not available due to damage of the connecting member.
  • FIG. 3, FIG. 4, and FIG. 5a to FIG. 5c illustrate a case where the vertical interface is a single-layer interface, and the case where the vertical interface is a dual-layer interface is similar to the single-layer interface.
  • FIG. 6a it is a schematic diagram of a panel of the network device 300 when the vertical interface is a double layer interface. Compared with FIG. 4, the number of interfaces provided by the network device in FIG. 6a is twice the number of interfaces provided by the network device in FIG.
  • FIG. 6b the schematic diagram of the network device 300 when the vertical interface 33 is a double-layer interface and the connection component 332 is a cable is shown.
  • Each dual layer interface provides two interfaces, each of which is connected to the PCB 32 by a cable of the interface.
  • the case where the connection member of the double-layer interface is a plurality of pins is similar to the case when the connection component of the single-layer interface is a plurality of pins, and details are not described herein again.
  • Figure 6c is a schematic view showing the structure when the longitudinal interface 33 is a double-layered interface, the longitudinal interface 33 providing two interfaces 334a and 334b, the longitudinal interface 33 comprising a housing 331, a connecting member 332 and a connector 333,
  • the connector 333 simultaneously connects the interfaces 334a and 334b, that is, the interfaces 334a and 334b share the connector 333.
  • the width of each interface is smaller than the height of the interface
  • the housing 331 is used to package the connector 333
  • the connection member 332 is used to connect the interfaces 334a and 334b to the PCB 32, respectively
  • the connector 333 is used to pass the connection member 332 and PCB 32 transmits signals.
  • the width of the optical interface/electrical interface provided by the vertical interface in the embodiment of the present application is smaller than the height of the optical interface/electrical interface.
  • the panel width of the network device is constant, more interfaces may be set on the panel. Increase the density of the interface on the panel, increase the utilization of the panel size, and increase the flexibility of interface deployment.
  • the prior art can provide 24 dual-layer interfaces on the panel, that is, 48 interfaces can be provided, and the embodiment of the present application can set at least 36 double-layer interfaces on the panel, that is, at least 72 interfaces are provided. interface. It can be seen that, when the SFP interface is applied, the panel of the network device of the embodiment of the present application can provide 1.5 times the number of interfaces in the prior art.
  • the prior art can provide 18 dual-layer interfaces on the panel, that is, 36 interfaces are provided, and the embodiment of the present invention can provide at least 36 double-layer interfaces on the panel, that is, at least 72 interfaces are provided. . It can be seen that, when the QSFP interface is applied, the panel of the network device of the embodiment of the present application can provide twice the number of interfaces in the prior art.
  • the network device provided by the embodiment of the present application can use the vertical interface to deploy more interfaces on the panel without changing the width of the panel of the network device, thereby increasing the density of the interface on the panel and improving the utilization rate of the panel. .
  • the number of interfaces that can be implemented in the prior art by using a dual-layer interface can be implemented through a single-layer interface. It can be seen from the comparison of FIG. 1b and FIG. 2b that the implementation of the two-layer interface is much more complicated than that of the single-layer interface. Therefore, using the solution in the embodiment of the present application to achieve the same number of interfaces requires less manufacturing cost. The connection to the PCB is simpler and the maintenance of the equipment is more convenient.
  • the dual-layer interface provided by the embodiment of the present application can implement the number of interfaces that need to be implemented by using a three-layer interface or a four-layer interface in the prior art, and avoid processing and processing when using a three-layer interface or a four-layer interface.
  • the assembly process is difficult and the manufacturing cost is high.
  • the present application may also be implemented in the following hybrid deployments: 1. Deploying some of the vertical interfaces of the N vertical interfaces as single-layer interfaces, and deploying other vertical interfaces as dual-layer interfaces; or
  • M horizontal interfaces are also deployed, and M is greater than or equal to 1.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Optical Communication System (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种网络设备和纵向接口。该网络设备包括面板（31），印刷电路板PCB（32）和N个纵向接口（33），其中，纵向接口为宽度小于高度的接口；该面板连接该PCB，该面板包括N个纵向开口，N大于等于2；该N个纵向接口中的每个纵向接口包括外壳（331），连接部件（332）和连接器（333）；该外壳用于通过所述面板上的N个纵向开口中的一个纵向开口将该纵向接口嵌入该面板，该连接部件用于将该纵向接口连接到该PCB，该连接器用于通过该连接部件和该PCB传输信号。上述设备可以在网络设备的面板的宽度一定的情况下，增加面板上部署的接口的数量，提高面板的利用率。

Description

一种网络设备及纵向接口
本申请要求于2017年6月14日提交中国专利局、申请号为201710449263.4、发明名称为“一种网络设备及纵向接口”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及网络通信领域，尤其涉及一种网络设备及纵向接口。
背景技术
网络设备通过在网络中为主机或终端传输数据来提供通信服务。主机或终端的数据必须通过网络设备的接口才能送入网络设备。
由于光接口与电接口相比，可以提供更大的传输速率，目前的网络设备一般采用光接口。而光接口中，目前使用较多的是用户连接器(英文：subscriber connector，简称：SC)接口，小型可插拔(英文：small form-factor pluggable，简称：SFP)接口和四通道小型可插拔(英文：quad small form-factor pluggable，简称：QSFP)接口。每个接口包括外壳(又称为笼子)和连接器，其中，外壳嵌入网络设备的面板的开口中，用于隔离并保护连接器，连接器与网络设备中的印刷电路板(英文：printed circuit board，PCB)连接以实现数据交换。
为了保证网络设备能被安装在标准机柜中，网络设备的宽度一般是设定的。由于在网络设备的面板上部署更多接口可以充分利用网络设备的内部芯片的处理能力，提高空间利用率，降低网络设备成本，如何在设定宽度的面板上部署更多接口成为本领域亟待解决的问题。
发明内容
本申请提供了一种网络设备以及纵向接口，能够在网络设备的面板宽度一定的情况下，在该面板上部署更多接口，提升面板上接口的密度。
本申请一方面提供了一种网络设备，该网络设备包括包括面板，印刷电路板PCB和N个纵向接口，N大于等于2。所述N个纵向接口中的每个纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度。所述面板连接所述PCB，所述面板包括N个纵向开口；所述N个纵向接 口中的每个纵向接口包括外壳，连接部件和连接器；所述外壳用于通过所述面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，所述连接部件用于将所述纵向接口连接到所述PCB，所述连接器用于通过所述连接部件和所述PCB传输信号。
本申请第一方面在网络设备的面板上部署纵向接口，且纵向接口提供的光接口/电接口的宽度小于该光接口/电接口的高度。因此，在网络设备的面板宽度一定的情况下，可以在面板上设置更多的接口数，提升面板上接口的密度，提高了面板尺寸的利用率，增加了接口部署的灵活性。
在上述第一方面的第一种实施方式中，连接部件包括多个管脚，所述多个管脚分多行设置在所述纵向接口的底部，所述纵向接口通过所述多个管脚连接到所述PCB上。
上述实施方式中，通过管脚将纵向接口连接到PCB上，可以提升网络设备的装配效率。
在上述第一方面的二种实施方式中，所述连接部件包括设置在所述纵向接口尾部的线缆，所述纵向接口通过所述线缆连接到所述PCB上。由于线缆为柔性连接器件，通过线缆连接纵向接口和PCB，能够避免连接部件的损坏而导致的纵向接口不可用的问题。
基于上述第一方面，第一方面的第一种或第二种实施方式，在所述第一方面的第三种实施方式中，所述N个纵向接口中的部分或全部纵向接口为单层接口，每个单层接口提供一个光接口/电接口。
本申请能够在网络设备需要的接口数介于单层横向接口提供的接口数和双层横向接口提供的接口数之间时，采用单层纵向接口就可以实现传统双层横向接口提供的接口数，降低了设备的硬件成本和实现复杂度。
基于上述第一方面，第一方面的第一种或第二种实施方式，在所述第一方面的第四种实施方式中，所述N个纵向接口中的部分或全部纵向接口为多层接口，每个多层接口提供至少两个光接口/电接口，所述至少两个光接口/电接口共用所述连接器。
采用上述第四种实施方式，可以在网络设备的面板上部署更多的接口，进一步提高网络设备面板的利用率。采用本申请实施例提供的双层接口，可以实现现有技术中需要三层接口或者四层接口才能实现的接口数，并避免了使用三层接口或者四层接口时存在的加工和装配工艺难度大，制造成本高等问题。
可选地，所述网络设备还可以包括M个横向接口，M大于等于1，所述M个横向接口的连接方法为现有技术，不再赘述。通过在网络设备的面板上混合部署横向 接口和纵向接口，可以满足网络设备对接口数量的需要，并节约网络设备的硬件制造成本。
本申请实施例第二方面提供了一种纵向接口，该纵向接口包括外壳，连接部件和连接器，该纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度；所述外壳用于通过网络设备的面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，N大于等于2；所述连接部件用于将所述纵向接口连接到所述网络设备的印刷电路板PCB；所述连接器用于通过所述连接部件和所述PCB传输信号。
在上述第二方面的第一种实施方式中，所述连接部件包括多个管脚，所述多个管脚分多行设置在所述纵向接口的底部，所述纵向接口通过所述多个管脚连接到所述PCB上。
在上述第二方面的第二种实施方式中，所述连接部件包括设置在所述纵向接口尾部的线缆，所述纵向接口通过所述线缆连接到所述PCB上。
基于上述第二方面，第二方面的第一种或第二种实施方式，在所述第二方面的第三种实施方式中，所述纵向接口为单层接口，所述单层接口提供一个光接口/电接口。
基于上述第二方面，第二方面的第一种或第二种实施方式，在所述第二方面的第四种实施方式中，所述纵向接口为多层接口，所述多层接口提供至少两个光接口/电接口，所述至少两个光接口/电接口共用所述连接器。本申请第二方面的纵向接口及其各实施方式的有益效果可以参考对上面第一方的网络设备及其各实现方式的有益效果的描述。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍。
图1a为横向单层接口的立体图；
图1b为横向单层接口的连接器的结构示意图；
图1c为部署了多个横向单层接口的网络设备的面板的结构示意图；
图2a为横向双层接口的立体图；
图2b为横向双层接口的剖视图；
图2c为部署了多个横向双层接口的网络设备的面板的结构示意图；图3为本申 请实施例提供的一种网络设备的结构示意图；
图4为图3所示网络设备的面板示意图；
图5a为图3所示的纵向接口为单层接口时的结构示意图；
图5b为图5a所示的纵向接口的连接部件为管脚时的结构示意图；
图5c为图5a所示的纵向接口的连接部件为线缆时的结构示意图；
图6a为纵向接口为双层接口时本申请实施例提供的网络设备的结构示意图；
图6b为纵向接口的连接部件为线缆时图6a所示的网络设备的结构示意图；
图6c为图6a所示的纵向接口为双层接口时的结构示意图。
具体实施方式
下面将结合附图对本申请实施例进行详细描述。
当SC接口，SFP接口和QSFP接口被安装到网络设备上之后，从网络设备的外观来看，SC接口，SFP接口和QSFP接口均为横向接口，即长度大于宽度的接口。
当前的横向接口包括单层接口和双层接口，其中，单层接口只包括一个接口，双层接口包括叠加的两个接口。
图1a示出了横向单层接口100的立体图，该横向单层接口100包括外壳11，多个管脚12以及连接器13。该连接器13被安装在外壳11中，因此在图1a中连接器13不可见。该多个管脚12被分成两行设置于外壳11的底部，用于将所述横向单层接口100连接到PCB上。该横向单层接口100提供一个接口14。
图1b示出了横向单层接口100的连接器13的结构示意图，该连接器13提供了一个插孔131用于连接通过接口14(图1b中未示出)插入的光模块。
图1a和图1b所示的横向单层接口100可以被用于制造网络设备。图1c为部署了多个横向单层接口的网络设备的面板的结构示意图。
从图1c可以看出，当在网络设备中部署单层接口时，网络设备的面板的宽度得到了充分利用，但是面板的高度并没有被充分利用。
图2a示出了横向双层接口200的立体图，该横向双层接口200包括包括外壳21，多个管脚22和连接器23。该连接器23被安装在外壳21中，因此在图2a中连接器23不可见。该多个管脚22被分成两行设置于外壳21的底部，用于将所述横向双层接口200插接到PCB上。该横向双层接口200提供两个叠加的接口24a和24b。
图2b示出了横向双层接口200的剖视图，从图2b可以看出，横向双层接口200 的连接器23提供了两个插孔231a和231b，分别用于连接通过接口24a和24b插入的光模块，并且，由于横向双层接口200的连接器23必须同时将两个接口24a和24b连接到PCB上，连接器23的结构远比横向单层接口100的连接器13复杂。
图2a和图2b所示的横向双层接口200可以被用于制造网络设备。图2c为部署了多个横向双层接口的网络设备的面板的结构示意图。
从图2c可知，使用横向双层接口比使用横向单层接口可以在相同宽度的面板上部署更多接口。
然而，采用横向双层接口虽然可以最大程度利用网络设备的面板的宽度，但由于网络设备的宽度受到机柜尺寸的限制，网络设备的面板的宽度也不能随意增加，采用现有的横向双层接口在网络设备上提供的接口数仍然不能满足需要。一种理论上的方案是，利用横向的三层或三层以上的接口来扩展网络设备的接口数。然而，三层接口要求三个接口叠加且通过同一个控制器连接到PCB上，这极大增加了加工和装配的工艺难度和制造成本，因此，并没有得到实际应用。
上述以光接口为例说明横向接口的缺陷，横向电接口也具有类似的问题。因此，本发明以下实施例中的接口，既可以指光接口，也可以指电接口。
为了进一步扩展网络设备的接口数，提高面板上接口的密度，本申请实施例提供一种网络设备，所述网络设备包括面板，印刷电路板PCB和N个纵向接口，其中，N大于等于2，所述N个纵向接口中的每个纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度；所述面板连接所述PCB，所述面板包括N个纵向开口；所述N个纵向接口中的每个纵向接口包括外壳，连接部件和连接器；所述外壳用于通过所述面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，所述连接部件用于将所述纵向接口连接到所述PCB，所述连接器用于通过所述连接部件和所述PCB传输信号。其中，纵向开口是指为了在面板上部署接口而在面板上开的孔，该孔的宽度小于该孔的高度，该孔的尺寸能够使纵向接口嵌入面板而不会松动。其中，“光接口/电接口”是指“光接口或电接口”。
相应地，本申请实施例还提供一种纵向接口，所述纵向接口包括外壳，连接部件和连接器，所述纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度；所述外壳用于通过网络设备的面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，所述连 接部件用于将所述纵向接口连接到所述网络设备的印刷电路板PCB，所述连接器用于通过所述连接部件和所述PCB传输信号。
以下将对本申请实施例提供的网络设备和纵向接口进行详细描述。
如图3所示，为本申请实施例提供的网络设备300的结构示意图。所述网络设备300包括面板31，PCB 32和N个纵向接口33，所述面板31连接所述PCB 32，N大于等于2。N个纵向接口中的每个纵向接口提供至少一个光接口/电接口，每个光接口/电接口的宽度小于该光接口/电接口的高度。其中，如图4所示，为图3所示网络设备的面板示意图。所述面板31包括N个纵向开口，每个纵向开口用于将一个纵向接口33嵌入所述面板31。所述N个纵向接口中的每个纵向接口包括外壳，连接部件和连接器；所述外壳用于通过所述面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，所述连接部件用于将所述纵向接口连接到所述PCB，所述连接器用于通过所述连接部件和所述PCB传输信号。
如图5a所示，为纵向接口33为单层接口时的结构示意图，所述纵向接口33包括外壳331和连接器333，所述外壳331的宽度小于所述外壳的高度，外壳331用于封装连接器333，外壳331上设置连接部件332，用于将所述纵向接口33连接到PCB 32上，连接器333用于通过所述连接部件332和PCB 32传输信号。所述纵向接口33用于提供一个接口334。
在一个实施方式中，如图5b所示，所述连接部件332具体为包括多个管脚的连接部件332a，所述多个管脚分多行设置在所述纵向接口33的底部，所述连接部件332a用于将纵向接口33通过所述多个管脚连接到所述PCB 32上。其中，所述连接可以是焊接、压接、卡接或者以其他结构件或者紧固件连接的方式。所述多行为至少两行。
由于管脚具有易插拔的特性，通过管脚将该纵向接口33连接到PCB32上，可以提升该网络设备的装配效率。
在另一个实施方式中，如图5c所示，所述连接部件332具体为包括设置在所述纵向接口尾部的线缆的连接部件332b，所述连接部件332b用于将纵向接口33通过所述线缆连接到所述PCB 32上。
由于本申请中光接口/电接口的宽度小于该光接口/电接口的高度，即光接口/电接口的高度较大，在这种情况下，当采用多层纵向接口时，对管脚的工艺要求比较高，容易出现管脚损坏。而线缆由于是柔性材料，可以随意弯折，因此，多层纵 向接口的连接部件采用线缆能够避免连接部件的损坏导致的纵向接口不可用的问题。
图3，图4和图5a-图5c以纵向接口为单层接口为例说明本申请实施例，纵向接口为双层接口的情况与单层接口类似。
如图6a所示，为纵向接口为双层接口时的网络设备300的面板示意图。与图4相比，图6a中的网络设备提供的接口数为图4中的网络设备提供的接口数的2倍。
如图6b所示，为纵向接口33为双层接口、连接部件332为线缆时的网络设备300的结构示意图。每个双层接口提供了两个接口，每个接口通过该接口的线缆连接到PCB 32。双层接口的连接部件为多个管脚时的情况与单层接口的连接部件为多个管脚时的情况类似，不再赘述。
图6c所示，为纵向接口33为双层接口时的结构示意图，所述纵向接口33提供两个接口334a和334b，所述纵向接口33包括外壳331、连接部件332和连接器333，所述连接器333同时连接接口334a和334b，即接口334a和334b共用所述连接器333。每个接口的宽度小于所述接口的高度，外壳331用于封装连接器333，连接部件332用于分别将接口334a和334b连接到PCB 32上，连接器333用于通过所述连接部件332和PCB 32传输信号。
由于本申请实施例中的纵向接口提供的光接口/电接口的宽度小于该光接口/电接口的高度，在网络设备的面板宽度一定的情况下，可以在面板上设置更多的接口数，提升面板上接口的密度，提高了面板尺寸的利用率，增加了接口部署的灵活性。
以面板宽度为19英寸(48.26厘米)为例，当采用宽度为14.5mm，高度为8.95mm的SFP接口时，考虑到两个接口之间的距离以及面板边距，当采用单层接口时，可以在面板上设置24个单层接口。采用本申请提供的纵向接口，例如宽度为8.95mm，高度为14.5mm的接口，则同样宽度的面板上至少可以设置36个单层接口。当采用双层接口时，现有技术可以在面板上设置24个双层接口，即可以提供48个接口，而本申请实施例可以在面板上至少设置36个双层接口，即至少提供72个接口。可见，在应用SFP接口时，相同宽度的面板上，本申请实施例的网络设备的面板可以提供的接口数为现有技术中的1.5倍。
仍以面板宽度为19英寸(48.26厘米)为例，当采用宽度为19.85mm，高度为9.7mm的QSFP接口时，考虑到两个接口之间的距离以及面板边距，当采用单层接口 时，可以在面板上设置18个单层接口。采用本申请提供的纵向接口，例如宽度为9.7mm，高度为19.85mm的接口，则同样宽度的面板上至少可以设置36个单层接口。当采用双层接口时，现有技术可以在面板上设置18个双层接口，即提供36个接口，而本发明实施例可以在面板上至少设置36个双层接口，即至少提供72个接口。可见，在应用QSFP接口时，相同宽度的面板上，本申请实施例的网络设备的面板可以提供的接口数为现有技术中的2倍。
本申请实施例提供的网络设备，通过使用纵向接口，可以在不改变网络设备的面板的宽度的条件下，在面板上部署更多的接口，提升面板上接口的密度，提高了面板的利用率。
此外，针对某些接口(例如QSFP)，本申请实施例通过单层接口即可实现现有技术中需要双层接口才能实现的接口数。从图1b和图2b的对比可以看出，双层接口的实现要比单层接口复杂得多，因此，采用本申请实施例中的方案，实现相同的接口数，需要的制造成本更低，与PCB的连接更加简单，设备的维修更为方便。
进一步地，采用本申请实施例提供的双层接口，可以实现现有技术中需要三层接口或者四层接口才能实现的接口数，并避免了使用三层接口或者四层接口时存在的加工和装配工艺难度大，制造成本高等问题。
基于本申请上述实施例，本申请还可以有以下混合部署的实现方式：一、将N个纵向接口中的部分纵向接口部署为单层接口，将其他纵向接口部署为双层接口；或
二、在网络设备的面板上部署N个纵向接口外，还部署M个横向接口，M大于等于1。
通过在网络设备的面板上混合部署不同的接口，可以灵活满足网络设备对接口数量的需要，并节约网络设备的硬件制造成本。
以上所述仅是本申请的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本申请的保护范围。

Claims (10)

  1. 一种网络设备，其特征在于，包括面板，印刷电路板PCB和N个纵向接口，N大于等于2，其中，所述N个纵向接口中的每个纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度；
    所述面板连接所述PCB，所述面板包括N个纵向开口；
    所述N个纵向接口中的每个纵向接口包括外壳，连接部件和连接器；所述外壳用于通过所述面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，所述连接部件用于将所述纵向接口连接到所述PCB，所述连接器用于通过所述连接部件和所述PCB传输信号。
  2. 根据权利要求1所述的网络设备，其特征在于，所述连接部件包括多个管脚，所述多个管脚分多行设置在所述纵向接口的底部，所述纵向接口通过所述多个管脚连接到所述PCB上。
  3. 根据权利要求1所述的网络设备，其特征在于，所述连接部件包括设置在所述纵向接口尾部的线缆，所述纵向接口通过所述线缆连接到所述PCB上。
  4. 根据权利要求1-3中任意一项所述的网络设备，其特征在于，所述N个纵向接口中的部分或全部纵向接口为单层接口，每个单层接口提供一个光接口/电接口。
  5. 根据权利要求1-3中任意一项所述的网络设备，其特征在于，所述N个纵向接口中的部分或全部纵向接口为多层接口，每个多层接口提供至少两个光接口/电接口，所述至少两个光接口/电接口共用所述连接器。
  6. 一种纵向接口，包括外壳，连接部件和连接器，其特征在于：
    所述纵向接口提供至少一个光接口/电接口，所述至少一个光接口/电接口中的每个光接口/电接口的宽度小于所述光接口/电接口的高度；
    所述外壳用于通过网络设备的面板上的N个纵向开口中的一个纵向开口将所述纵向接口嵌入所述面板，N大于等于2；
    所述连接部件用于将所述纵向接口连接到所述网络设备的印刷电路板PCB；
    所述连接器用于通过所述连接部件和所述PCB传输信号。
  7. 根据权利要求6所述的纵向接口，其特征在于，所述连接部件包括多个管脚，所述多个管脚分多行设置在所述纵向接口的底部，所述纵向接口通过所述多个管脚连接到所述PCB上。
  8. 根据权利要求6所述的纵向接口，其特征在于，所述连接部件包括设置在所述纵向接口尾部的线缆，所述纵向接口通过所述线缆连接到所述PCB上。
  9. 根据权利要求6-8中任意一项所述的纵向接口，其特征在于，所述纵向接口为单层接口，所述单层接口提供一个光接口/电接口。
  10. 根据权利要求6-8中任意一项所述的纵向接口，其特征在于，所述纵向接口为多层接口，所述多层接口提供至少两个光接口/电接口，所述至少两个光接口/电接口共用所述连接器。
PCT/CN2018/087265 2017-06-14 2018-05-17 一种网络设备及纵向接口 Ceased WO2018228124A1 (zh)

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KR1020197037315A KR20200004423A (ko) 2017-06-14 2018-05-17 네트워크 디바이스 및 종방향 인터페이스
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