WO2022116354A1 - 一种usb光纤交换盒及系统 - Google Patents

一种usb光纤交换盒及系统 Download PDF

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Publication number
WO2022116354A1
WO2022116354A1 PCT/CN2020/141938 CN2020141938W WO2022116354A1 WO 2022116354 A1 WO2022116354 A1 WO 2022116354A1 CN 2020141938 W CN2020141938 W CN 2020141938W WO 2022116354 A1 WO2022116354 A1 WO 2022116354A1
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Prior art keywords
usb
unit
optical
optical fiber
optical module
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PCT/CN2020/141938
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English (en)
French (fr)
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王晓杰
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威创集团股份有限公司
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Publication of WO2022116354A1 publication Critical patent/WO2022116354A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/10—Packet switching elements characterised by the switching fabric construction
    • H04L49/101—Packet switching elements characterised by the switching fabric construction using crossbar or matrix
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L49/00—Packet switching elements
    • H04L49/35—Switches specially adapted for specific applications
    • H04L49/356—Switches specially adapted for specific applications for storage area networks
    • H04L49/357—Fibre channel switches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0052—Interconnection of switches
    • H04Q2011/0058—Crossbar; Matrix

Definitions

  • the invention relates to the technical field of computer equipment scheduling, and more particularly, to a USB optical fiber switching box and a system.
  • USB data is transmitted through an IP network.
  • the cross-host data interaction between USB slave devices completed by this method is essentially network information sharing and transmission between hosts. Due to the limitation of network conditions and its own bandwidth, the 5Gbps bandwidth in the USB3.0 protocol cannot be achieved, and when the USB slave device is used. For special devices such as a mouse, etc., function scheduling still needs to be implemented through network applications after interconnection in this way.
  • Another method is to use a USB optical fiber extender. After the USB slave device is connected to the slave end of the USB optical fiber extender, the scheduling of the slave device can be completed by re-laying the optical fiber network to the main end of the USB optical fiber extender of the target host. Although this method preserves the integrity of the USB transmission, there are still many inconveniences in the re-laying of the optical fiber network.
  • the present invention aims to overcome at least one defect (deficiency) of the above-mentioned prior art, and provides a USB optical fiber switch box and system, which is used to solve the traditional mobile USB switch when the USB slave device needs to be dispatched across hosts and the scale is large.
  • the method of the slave device is difficult and cumbersome, and the network data transmission cannot reach the 5Gbps bandwidth in the USB3.0 protocol, so as to realize the contactless scheduling of the USB device, so that the USB slave device can be flexibly scheduled in the multi-user cooperation system. And while retaining the integrity of the USB protocol link while retaining the technical effect of the 5Gbps transmission bandwidth of USB3.0.
  • the technical solution adopted by the present invention is a USB optical fiber switch box, which is characterized by comprising a control unit, a multi-channel transparent transmission matrix unit and an optical module unit; the multi-channel transparent transmission matrix unit is connected to the control unit, and the optical
  • the module unit includes an access optical module unit and a target optical module unit; the control unit reads the operation instruction and initializes the multi-channel transparent transmission matrix unit; the control unit transparently transmits configuration information according to the real-time transmission of the matrix channel , perform gating configuration on the multi-channel transparent transmission matrix unit; when the optical signal is transmitted from the access device to the USB optical fiber switch box, the received optical signal is converted into a high-speed differential by the access optical module unit The electrical signal is then transferred to the target optical module unit through the configured multi-channel transparent transmission matrix unit, and the target optical module unit converts the high-speed differential electrical signal into an optical signal and outputs it to the target device.
  • the technical solution uses the real-time configuration of the multi-channel transparent transmission matrix unit by the control unit, so that the signal input into the USB optical fiber switch box can be accurately matched or switched to the target device, thereby realizing the contactless scheduling of the USB device.
  • This makes it possible to flexibly schedule USB slave devices in a multi-user cooperation system, and preserves the technical effect of the 5Gbps transmission bandwidth of USB3.0 while preserving the integrity of the USB protocol link.
  • the multi-channel transparent transmission matrix unit includes an asynchronous non-blocking analog switch crossbar matrix array; the multi-channel transparent transmission matrix unit corrects and restores the input multi-channel high-speed differential electrical signals to the original signal waveform;
  • the signal waveform passes through the asynchronous non-blocking analog switch crossbar array, and is unmodified and gated to the corresponding output channel.
  • the asynchronous non-blocking analog switch cross matrix array adopts MINDSPEED's multi-channel switching IC; it can be quickly and accurately matched to the target device by correcting and restoring the original signal waveform and the gating of the asynchronous non-blocking analog switch cross matrix array.
  • the asynchronous non-blocking analog switch crossbar matrix array is connected with a temperature monitoring and characteristic configuration unit, and the temperature monitoring and characteristic configuration unit is used to configure a gated monitoring and configuration interface circuit.
  • the gated monitoring and configuration interface circuit By configuring the gated monitoring and configuration interface circuit, the signal input to the USB optical fiber switch box can be accurately matched or switched to the target optical module unit, and then the target optical module unit outputs the signal to the target device.
  • the USB optical fiber exchange box further includes an expansion unit, the expansion unit is connected to the control unit, and the expansion unit is used to expand the optical module unit.
  • the optical module unit is used to connect to a USB master device and a USB slave device, and the expansion unit expands the optical module unit correspondingly according to the number of the USB master device and the USB slave device.
  • the USB optical fiber switch box further includes a network interface unit and a storage unit; the network interface unit and the storage unit are both connected to the control unit, and the control unit reads the operation instruction from the storage unit, The network interface unit, the expansion unit and the multi-channel transparent transmission matrix unit are initialized; the network interface transmits the transparent transmission configuration information of the matrix channel to the control unit in real time.
  • the USB optical fiber switch box takes the control unit and the multi-channel transparent transmission matrix unit as the core, and cooperates with other units to complete the transparent transmission gating function from the input signal to the output signal.
  • the high-speed differential electrical signal is a 5G high-speed differential electrical signal
  • the transmission bandwidth of the USB optical fiber switch box is the 5Gbps transmission bandwidth of USB3.0.
  • the invention can reach the 5Gbps bandwidth in the USB3.0 protocol, and can adapt to the development of the 5G era.
  • the number of the access optical module units and/or target optical module units is two or more.
  • the present invention can be implemented in a multi-user collaboration system to conveniently and quickly schedule multiple USB slave devices, so the access of multiple USB slave devices and/or USB master devices needs to correspond to multiple access optical module units and/or multiple access optical modules. or target optical module unit.
  • a USB optical fiber switching system includes a USB optical fiber switching box, an access device and a target device; the access device includes a USB slave device and a device end optical transceiver, and the target device includes a USB The master device and the host-side optical transceiver; the USB slave device is connected to the device-side optical transceiver, the USB master device is connected to the host-side optical transceiver, and the device-side optical transceiver and the host-side optical transceiver are connected to the USB optical fiber switch through optical fibers
  • the optical transceiver at the equipment end is used to convert electrical signals into optical signals
  • the optical transceiver at the host end is used to convert optical signals into electrical signals
  • the USB fiber optic switch box is used for gating and transparent to the incoming signals.
  • This technical scheme uses the USB optical fiber exchange box as the signal exchange center, through the connection between the USB optical fiber exchange box, the USB slave device, the optical transceiver at the device end, the USB master device and the optical transceiver at the host end, and the control unit to the multi-channel transparent transmission matrix
  • the real-time configuration of the unit so that the USB slave device can be accurately matched or switched to the USB master device; the contactless scheduling of the USB device is realized, and the USB slave device can be flexibly scheduled in the multi-user cooperation system, and the USB protocol can be reserved.
  • the integrity of the link also retains the technical effect of the 5Gbps transmission bandwidth of USB3.0.
  • the quantity of described USB slave device, equipment end optical transceiver, USB master device and host end optical transceiver is more than 2;
  • the quantity of described access optical module unit and/or target optical module unit is more than 2.
  • the device-side optical transceiver and the host-side optical transceiver are respectively connected to the access optical module unit and the target optical module of the USB optical fiber switch box through optical fibers.
  • the device-side optical transceiver is used to convert electrical signals into optical signals
  • the access optical module unit converts the received optical signals into high-speed differential electrical signals
  • the target optical module unit converts the high-speed differential electrical signals into high-speed differential electrical signals.
  • Optical signal the host-side optical transceiver is used to convert the optical signal into an electrical signal.
  • the present invention has the beneficial effects that the present invention realizes the contactless scheduling of USB devices, so that USB slave devices can be flexibly scheduled in a multi-user cooperation system. And retains the integrity of the USB protocol link while retaining the 5Gbps transmission bandwidth of USB3.0, giving full play to the advantages of USB transmission without occupying another host port.
  • the cable length can be extended by means of optical fiber transmission, so that the overall system scale can be further expanded, and the line planning is flexible and easy to maintain.
  • FIG. 1 is a schematic diagram of Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram of Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of a multi-channel transparent transmission matrix unit according to an embodiment of the present invention.
  • a USB optical fiber switch box includes an MCU control unit, a network interface unit, a multi-channel transparent transmission matrix unit, an expansion unit, an optical module unit, a storage unit, and a single-board power supply circuit, and the single-board power supply circuit is a USB optical fiber
  • the other units of the switch box provide stable power supply; the network interface unit, the multi-channel transparent transmission matrix unit, the expansion unit and the storage unit are all connected to the MCU control unit, the expansion unit is used to expand the optical module unit, the The MCU control unit manages the state information of the USB optical fiber switch box by configuring the expansion unit and indirectly configures the connected optical module.
  • the optical module unit includes an access optical module unit and a target optical module unit.
  • the access optical module unit The SFP interface unit is adopted with the target optical module unit; the MCU control unit is responsible for managing and configuring each functional module of this USB fiber optic switch box, and reads the operation instruction from the storage unit, and expands the network interface unit, expansion
  • the unit and the multi-channel transparent transmission matrix unit are initialized; the user accesses the USB optical fiber switch box through the network interface, and transmits the transparent transmission configuration information of the matrix channel in real time; the MCU control unit transmits the matrix channel in real time according to the network interface.
  • Channel transparent transmission configuration information and perform gating configuration on the multi-channel transparent transmission matrix unit; when the optical signal of the access device is transmitted into this USB optical fiber switch box, the optical access module unit will receive the optical signal.
  • the signal is converted into a high-speed differential electrical signal, and then transferred to the target optical module unit through the multi-channel transparent transmission matrix unit configured by the MCU control unit, and the high-speed differential electrical signal is converted by the target optical module unit. It is converted into an optical signal and output to the target device.
  • the multi-channel transparent transmission matrix unit includes an asynchronous non-blocking analog switch crossbar matrix array; the multi-channel transparent transmission matrix unit corrects and restores the input multi-channel high-speed differential electrical signals to the original signal waveform;
  • the original signal waveform passes through the asynchronous non-blocking analog switch crossbar matrix array, and is gated to the corresponding output channel without modification.
  • the asynchronous non-blocking analog switch cross matrix array adopts MINDSPEED's multi-channel switching IC; it can be quickly and accurately matched to the target device by correcting and restoring the original signal waveform and the gating of the asynchronous non-blocking analog switch cross matrix array.
  • the asynchronous non-blocking analog switch crossbar matrix array is connected with a temperature monitoring and characteristic configuration unit, and the temperature monitoring and characteristic configuration unit is used to configure a gated monitoring and configuration interface circuit.
  • the gated monitoring and configuration interface circuit By configuring the gated monitoring and configuration interface circuit, the signal input to the USB optical fiber switch box can be accurately matched or switched to the target optical module unit, and then the target optical module unit outputs the signal to the target device.
  • the signal output from the asynchronous non-blocking analog switch crossbar matrix array is transmitted to the target optical module unit under the action of a drive gate, and the drive gate is used to increase the drive capability.
  • the access optical module unit and the target optical module unit are respectively used to access the USB slave device and the USB master device, and the number of the access optical module unit and/or the target optical module unit is more than 2 , the expansion unit correspondingly expands the optical module unit according to the number of the USB master device and the USB slave device.
  • the high-speed differential electrical signal is a 5G high-speed differential electrical signal
  • the transmission bandwidth of the USB optical fiber switch box is the 5Gbps transmission bandwidth of USB3.0.
  • the invention can reach the 5Gbps bandwidth in the USB3.0 protocol, and can adapt to the development of the 5G era.
  • the technical solution uses the MCU control unit to configure the multi-channel transparent transmission matrix unit in real time, so that the signal input to the USB optical fiber switch box can be accurately matched or switched to the target device, thereby realizing the contactless scheduling of the USB device. , so that the USB slave device can be flexibly scheduled in the multi-user cooperation system, and the technical effect of the 5Gbps transmission bandwidth of USB3.0 is preserved while preserving the integrity of the USB protocol link.
  • This embodiment is a USB optical fiber switching system, including the USB optical fiber switching box described in Embodiment 1, a USB slave device, a device-side optical transceiver, a USB master device, and a host-side optical transceiver; the USB slave device is connected to the device-side optical transceiver; , the USB host device is connected to the host-side optical transceiver, and the device-side optical transceiver and the host-side optical transceiver are connected to the USB optical fiber switch box through optical fibers; after the USB slave device is connected to the device-side optical transceiver, the device-side optical transceiver The USB link signal is converted from an electrical signal to an optical signal, and the host-side optical transceiver is used to restore the original USB link, convert the optical signal into an electrical signal and connect it to the USB host device, and the USB optical fiber switch box is used for Gating and transparent transmission of incoming signals.
  • USB optical fiber exchange box as the signal exchange center, through the connection between the USB optical fiber exchange box, the USB slave device, the device-side optical transceiver, the USB master device and the host-side optical transceiver, and the MCU control unit.
  • Real-time configuration of the matrix unit so that the USB slave device can be accurately matched or switched to the USB master device; the contactless scheduling of the USB device is realized, and the USB slave device can be flexibly scheduled in the multi-user cooperation system, and the USB device can be reserved.
  • the integrity of the protocol link also retains the technical effect of the 5Gbps transmission bandwidth of USB3.0.
  • the number of the USB slave device, the device-side optical transceiver, the USB master device and the host-side optical transceiver is more than 2; the number of the access optical module unit and/or the target optical module unit is more than 2, The access optical module unit and the target optical module unit use SFP interface units.
  • the device-side optical transceiver and the host-side optical transceiver are respectively connected to the access optical module unit and the target optical module of the USB optical fiber switch box through optical fibers.
  • the device-side optical transceiver is used to convert electrical signals into optical signals
  • the access optical module unit converts the received optical signals into high-speed differential electrical signals
  • the target optical module unit converts the high-speed differential electrical signals into high-speed differential electrical signals.
  • Optical signal the host-side optical transceiver is used to convert the optical signal into an electrical signal.
  • the technical solution realizes contactless scheduling of USB devices, so that USB slave devices can be flexibly scheduled in a multi-user cooperation system. And retains the integrity of the USB protocol link while retaining the 5Gbps transmission bandwidth of USB3.0, giving full play to the advantages of USB transmission without occupying another host port.
  • the cable length can be extended by means of optical fiber transmission, so that the overall system scale can be further expanded, and the line planning is flexible and easy to maintain.

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Abstract

一种USB光纤交换装置及系统，涉及计算机设备调度技术领域。用于解决当USB从设备需要跨主机间调度且规模较大时，传统的移动USB从设备的方法较为困难、繁琐且网络数据传输时无法达到USB3.0协议中的5Gbps带宽的问题。此种USB光纤交换装置，包括控制单元、网络接口单元、多通道透传矩阵单元、扩展单元、光模块单元和存储单元；所述光模块单元包括接入光模块单元和目标光模块单元；所述控制单元从所述存储单元中读取运行指令，并对所述网络接口单元、扩展单元和多通道透传矩阵单元进行初始化。通过上述技术方案，以实现在多用户协作系统中可以灵活调度USB从设备，并且在保留USB协议链路完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。

Description

一种USB光纤交换盒及系统
本申请要求于2020年12月01日提交至中国专利局、申请号为202011387716.3、发明名称为“一种USB光纤交换盒及系统”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
本发明涉及计算机设备调度技术领域，更具体地，涉及一种USB光纤交换盒及系统。
背景技术
在多用户的协作系统中，为了调度USB从设备，常常需要把USB从设备的接口重新接入到需要使用该设备的主机中。当协作整体系统的规模较大、USB从设备较难移动、且USB从设备的调度变得频繁时，通过移动USB从设备到目标主机的方式会十分繁琐麻烦。
为实现USB从设备的跨主机间的调度与交互，现有的方法为主机间通过以太网互联后，USB数据经由IP网络进行传输。通过该方法完成USB从设备的跨主机间数据交互本质上为主机间的网络信息共享与传输，受网络情况及自身带宽的限制，无法达到USB3.0协议中的5Gbps带宽，并且当USB从设备为特殊设备如鼠标等，通过该方式互联后仍需要通过网络应用实现功能的调度。
另外的方法为利用USB光纤延长器，USB从设备接入到USB光纤延长器从端后，通过重新铺设光纤网络到目标主机的USB光纤延长器主端即可完成从设备的调度。该方法虽保留了USB传输的完整性，但光纤网络的重铺设依然会存在诸多的不便。
发明内容
本发明旨在克服上述现有技术的至少一种缺陷(不足)，提供一种USB光纤交换盒及系统，用于解决当USB从设备需要跨主机间调度且规模较大时，传统的移动USB从设备的方法较为困难、繁琐且网络数据传输时无法达到USB3.0协议中的5Gbps带宽的问题，以实现USB设备的非接触式调度，使得在多用户协作系统中可以灵活调度USB从设备，并且在保留USB 协议链路的完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。
本发明采取的技术方案是，一种USB光纤交换盒，其特征在于，包括控制单元、多通道透传矩阵单元和光模块单元；所述多通道透传矩阵单元连接所述控制单元，所述光模块单元包括接入光模块单元和目标光模块单元；所述控制单元读取运行指令，并对所述多通道透传矩阵单元进行初始化；所述控制单元根据实时传输的矩阵通道透传配置信息，对所述多通道透传矩阵单元进行选通配置；当光信号从接入设备传入此种USB光纤交换盒时，由所述接入光模块单元将接收到的光信号转化为高速差分电信号，再经由配置好的所述多通道透传矩阵单元转接至所述目标光模块单元，由所述目标光模块单元将所述高速差分电信号转化为光信号输出至目标设备。本技术方案通过控制单元对多通道透传矩阵单元的实时配置，以实现对输入所述USB光纤交换盒的信号可以准确地匹配或切换至目标设备，从而实现了USB设备的非接触式调度，使得在多用户协作系统中可以灵活调度USB从设备，并且在保留USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。
进一步地，所述多通道透传矩阵单元包括异步无阻塞模拟开关交叉矩阵阵列；所述多通道透传矩阵单元将输入的多路所述高速差分电信号矫正恢复成原信号波形；所述原信号波形经过所述异步无阻塞模拟开关交叉矩阵阵列，无修改地选通至对应的输出通道。所述异步无阻塞模拟开关交叉矩阵阵列，采用MINDSPEED的多通道切换IC；通过矫正恢复成原信号波形和异步无阻塞模拟开关交叉矩阵阵列的选通，可以快速准确地匹配至目标设备。
进一步地，异步无阻塞模拟开关交叉矩阵阵列连接有温度监控及特性配置单元，所述温度监控及特性配置单元用于配置选通的监控和配置接口电路。通过配置选通的监控和配置接口电路，使得输入所述USB光纤交换盒的信号可以准确地匹配或切换至目标光模块单元，再由所述目标光模块单元将所述信号输出至目标设备。
进一步地，所述USB光纤交换盒还包括扩展单元，所述扩展单元连接所述控制单元，所述扩展单元用于扩展所述光模块单元。所述光模块单元 用于接入USB主设备和USB从设备，并且所述扩展单元根据USB主设备和USB从设备的数量相应的扩展所述光模块单元。
进一步地，所述USB光纤交换盒还包括网络接口单元和存储单元；所述网络接口单元和存储单元均连接所述控制单元，所述控制单元从所述存储单元中读取运行指令，对所述网络接口单元、扩展单元和多通道透传矩阵单元进行初始化；所述网络接口实时传输所述矩阵通道透传配置信息至所述控制单元。所述USB光纤交换盒以控制单元和多通道透传矩阵单元为核心，和其他单元共同协作以完成从输入信号至输出信号的透传选通功能。
进一步地，所述高速差分电信号为5G高速差分电信号，所述USB光纤交换盒的传输带宽为USB3.0的5Gbps传输带宽。本发明可以达到USB3.0协议中的5Gbps带宽，可以适应5G时代的发展。
进一步地，所述接入光模块单元和/或目标光模块单元的数量为2个以上。本发明可以实现在多用户的协作系统中，对多个USB从设备进行方便快捷地调度，因此多个USB从设备和/或USB主设备的接入需对应多个接入光模块单元和/或目标光模块单元。
本发明采取的另一技术方案是，一种USB光纤交换系统，包括USB光纤交换盒、接入设备和目标设备；所述接入设备包括USB从设备和设备端光端机，所述目标设备包括USB主设备和主机端光端机；所述USB从设备连接所述设备端光端机，所述USB主设备连接所述主机端光端机，所述设备端光端机和所述主机端光端机通过光纤连接所述USB光纤交换盒；所述设备端光端机用于将电信号转化为光信号，所述主机端光端机用于将光信号转化为电信号，所述USB光纤交换盒用于对传入其中的信号进行选通透传。本技术方案以所述USB光纤交换盒为信号交换中心，通过USB光纤交换盒、USB从设备、设备端光端机、USB主设备和主机端光端机之间的连接，以及控制单元对多通道透传矩阵单元的实时配置，以实现USB从设备可以准确地匹配或切换至USB主设备；实现了USB设备的非接触式调度，以及在多用户协作系统中可以灵活调度USB从设备，并且在保留USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。
进一步地，所述USB从设备、设备端光端机、USB主设备和主机端 光端机的数量为2个以上；所述接入光模块单元和/或目标光模块单元的数量为2个以上。
进一步地，所述设备端光端机和所述主机端光端机通过光纤分别连接在所述USB光纤交换盒的接入光模块单元和目标光模块上。所述设备端光端机用于将电信号转化为光信号，所述接入光模块单元将接收到的光信号转化为高速差分电信号，所述目标光模块单元将所述高速差分电信号转化为光信号，所述主机端光端机用于将光信号转化为电信号。
与现有技术相比，本发明的有益效果为：本发明实现了USB设备的非接触式调度，使得在多用户协作系统中可以灵活调度USB从设备。并且保留了USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽，充分发挥USB传输的优势，不占用另外的主机端口。通过光纤传输的方式可延长线缆长度，使得整体系统规模可进一步扩展，线路规划灵活，易于维护。
附图说明
图1为本发明实施例1的示意图。
图2为本发明实施例2的示意图。
图3为本发明实施例的多通道透传矩阵单元的示意图。
具体实施方式
本发明附图仅用于示例性说明，不能理解为对本发明的限制。为了更好说明以下实施例，附图某些部件会有省略、放大或缩小，并不代表实际产品的尺寸；对于本领域技术人员来说，附图中某些公知结构及其说明可能省略是可以理解的。
实施例1
本实施例一种USB光纤交换盒，包括MCU控制单元、网络接口单元、多通道透传矩阵单元、扩展单元、光模块单元、存储单元和单板电源电路，所述单板电源电路为USB光纤交换盒的其他单元提供稳定供电；所述网络接口单元、多通道透传矩阵单元、扩展单元和存储单元均连接所述MCU控制单元，所述扩展单元用于扩展所述光模块单元，所述MCU控制单元通过配置扩展单元管理此种USB光纤交换盒状态信息的同时间接配置接 入的光模块，所述光模块单元包括接入光模块单元和目标光模块单元,所述接入光模块单元和目标光模块单元采用SFP接口单元；所述MCU控制单元负责管理及配置此种USB光纤交换盒的各功能模块，并从所述存储单元中读取运行指令，对所述网络接口单元、扩展单元和多通道透传矩阵单元进行初始化；用户通过所述网络接口接入到此种USB光纤交换盒，实时传输矩阵通道透传配置信息；所述MCU控制单元根据所述网络接口实时传输的矩阵通道透传配置信息，对所述多通道透传矩阵单元进行选通配置；当接入设备的光信号传入此种USB光纤交换盒时，由所述接入光模块单元将接收到的光信号转化为高速差分电信号，再经由所述MCU控制单元配置好的所述多通道透传矩阵单元转接至所述目标光模块单元，由所述目标光模块单元将所述高速差分电信号转化为光信号后输出至目标设备。
更为具体地，所述多通道透传矩阵单元包括异步无阻塞模拟开关交叉矩阵阵列；所述多通道透传矩阵单元将输入的多路所述高速差分电信号矫正恢复成原信号波形；所述原信号波形经过所述异步无阻塞模拟开关交叉矩阵阵列，无修改地选通至对应的输出通道。所述异步无阻塞模拟开关交叉矩阵阵列，采用MINDSPEED的多通道切换IC；通过矫正恢复成原信号波形和异步无阻塞模拟开关交叉矩阵阵列的选通，可以快速准确地匹配至目标设备。
更为具体地，异步无阻塞模拟开关交叉矩阵阵列连接有温度监控及特性配置单元，所述温度监控及特性配置单元用于配置选通的监控和配置接口电路。通过配置选通的监控和配置接口电路，使得输入所述USB光纤交换盒的信号可以准确地匹配或切换至目标光模块单元，再由所述目标光模块单元将所述信号输出至目标设备。
更为具体地，从所述异步无阻塞模拟开关交叉矩阵阵列中输出的信号在驱动门的作用下传输至目标光模块单元，所述驱动门用于增加驱动能力。
更为具体地，所述接入光模块单元和目标光模块单元分别用于接入USB从设备和USB主设备，所述接入光模块单元和/或目标光模块单元的数量为2个以上，所述扩展单元根据USB主设备和USB从设备的数量相应的扩展所述光模块单元。
更为具体地，所述高速差分电信号为5G高速差分电信号，所述USB光纤交换盒的传输带宽为USB3.0的5Gbps传输带宽。本发明可以达到USB3.0协议中的5Gbps带宽，可以适应5G时代的发展。
本技术方案通过MCU控制单元对多通道透传矩阵单元的实时配置，以实现对输入所述USB光纤交换盒的信号可以准确地匹配或切换至目标设备，从而实现了USB设备的非接触式调度，使得在多用户协作系统中可以灵活调度USB从设备，并且在保留USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。
实施例2
本实施例一种USB光纤交换系统，包括如实施例1所述的USB光纤交换盒、USB从设备、设备端光端机、USB主设备和主机端光端机；所述USB从设备连接所述设备端光端机，所述USB主设备连接所述主机端光端机，所述设备端光端机和所述主机端光端机通过光纤连接所述USB光纤交换盒；USB从设备接入到设备端光端机后，所述设备端光端机将USB链路信号由电信号转化为光信号，所述主机端光端机用于恢复出原始USB链路，将光信号转化为电信号并接入到USB主设备，所述USB光纤交换盒用于对传入其中的信号进行选通透传。本技术方案以所述USB光纤交换盒为信号交换中心，通过USB光纤交换盒、USB从设备、设备端光端机、USB主设备和主机端光端机之间的连接，以及MCU控制单元对多通道透传矩阵单元的实时配置，以实现USB从设备可以准确地匹配或切换至USB主设备；实现了USB设备的非接触式调度，以及在多用户协作系统中可以灵活调度USB从设备，并且在保留USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽的技术效果。
更为具体地，所述USB从设备、设备端光端机、USB主设备和主机端光端机的数量为2个以上；所述接入光模块单元和/或目标光模块单元的数量为2个以上，所述接入光模块单元和目标光模块单元采用SFP接口单元。
更为具体地，所述设备端光端机和所述主机端光端机通过光纤分别连接在所述USB光纤交换盒的接入光模块单元和目标光模块上。所述设备端光端机用于将电信号转化为光信号，所述接入光模块单元将接收到的光信号转化为高速差分电信号，所述目标光模块单元将所述高速差分电信号转化为光信号，所述主机端光端机用于将光信号转化为电信号。
本技术方案实现了USB设备的非接触式调度，使得在多用户协作系统中可以灵活调度USB从设备。并且保留了USB协议链路的完整性同时保留了USB3.0的5Gbps传输带宽，充分发挥USB传输的优势，不占用另外的主机端口。通过光纤传输的方式可延长线缆长度，使得整体系统规模可进一步扩展，线路规划灵活，易于维护。
显然，本发明的上述实施例仅仅是为清楚地说明本发明技术方案所作的举例，而并非是对本发明的具体实施方式的限定。凡在本发明权利要求书的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明权利要求的保护范围之内。

Claims (10)

  1. 一种USB光纤交换盒，其特征在于，包括控制单元、多通道透传矩阵单元和光模块单元；所述多通道透传矩阵单元连接所述控制单元，所述光模块单元包括接入光模块单元和目标光模块单元；所述控制单元读取运行指令，并对所述多通道透传矩阵单元进行初始化；所述控制单元根据实时传输的矩阵通道透传配置信息，对所述多通道透传矩阵单元进行选通配置；当光信号从接入设备传入所述USB光纤交换盒时，由所述接入光模块单元将接收到的光信号转化为高速差分电信号，再经由配置好的所述多通道透传矩阵单元转接至所述目标光模块单元，由所述目标光模块单元将所述高速差分电信号转化为光信号输出至目标设备。
  2. 根据权利要求1所述的一种USB光纤交换盒，其特征在于，所述多通道透传矩阵单元包括异步无阻塞模拟开关交叉矩阵阵列；所述多通道透传矩阵单元将输入的多路所述高速差分电信号矫正恢复成原信号波形；所述原信号波形经过所述异步无阻塞模拟开关交叉矩阵阵列，选通至对应的输出通道。
  3. 根据权利要求2所述的一种USB光纤交换盒，其特征在于，所述异步无阻塞模拟开关交叉矩阵阵列连接有温度监控及特性配置单元，所述温度监控及特性配置单元用于配置选通的监控和配置接口电路。
  4. 根据权利要求1所述的一种USB光纤交换盒，其特征在于，所述USB光纤交换盒还包括扩展单元，所述扩展单元连接所述控制单元，所述扩展单元用于扩展所述光模块单元。
  5. 根据权利要求4所述的一种USB光纤交换盒，其特征在于，所述USB光纤交换盒还包括网络接口单元和存储单元；所述网络接口单元和存储单元均连接所述控制单元，所述控制单元从所述存储单元中读取运行指令，对所述网络接口单元、扩展单元和多通道透传矩阵单元进行初始化；所述网络接口单元实时传输所述矩阵通道透传配置信息至所述控制单元。
  6. 根据权利要求1所述的一种USB光纤交换盒，其特征在于，所述高速差分电信号为5G高速差分电信号，所述USB光纤交换盒的传输带宽为USB3.0的5Gbps传输带宽。
  7. 根据权利要求1至6任一项所述的一种USB光纤交换盒，其特征在于，所述接入光模块单元和/或目标光模块单元的数量为2个以上。
  8. 一种USB光纤交换系统，其特征在于，包括如权利要求1至7任一项所述的USB光纤交换盒、接入设备和目标设备；所述接入设备包括USB从设备和设备端光端机，所述目标设备包括USB主设备和主机端光端机；所述USB从设备连接所述设备端光端机，所述USB主设备连接所述主机端光端机，所述设备端光端机和所述主机端光端机通过光纤连接所述USB光纤交换盒；所述设备端光端机用于将电信号转化为光信号，所述主机端光端机用于将光信号转化为电信号，所述USB光纤交换盒用于对传入其中的信号进行选通透传。
  9. 根据权利要求8所述的一种USB光纤交换系统，其特征在于，所述USB从设备、设备端光端机、USB主设备和主机端光端机的数量为2个以上；所述接入光模块单元和/或目标光模块单元的数量为2个以上。
  10. 根据权利要求8和9任一项所述的一种USB光纤交换系统，其特征在于，所述设备端光端机和所述主机端光端机通过光纤分别连接在所述USB光纤交换盒的接入光模块单元和目标光模块上。
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