Device of physical layer adaptive different network transmission link medium and its control method

A technology of network transmission and transmission medium, which is applied in the field of network intelligent link equipment to achieve the effect of saving basic investment, ensuring smooth upgrade and wide application

Inactive Publication Date: 2008-07-02
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is impossible to realize the unificati

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  • Device of physical layer adaptive different network transmission link medium and its control method
  • Device of physical layer adaptive different network transmission link medium and its control method
  • Device of physical layer adaptive different network transmission link medium and its control method

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Embodiment Construction

[0036] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] The invention utilizes the automatic detection of the network link to judge whether the current reliable media type is optical fiber media or UTP-5 media media. For different media types, complete different link establishment and control operations. Link signal detection is completed by both hardware and software. After identifying the link status and media type, if there is a media media switching event or the link status changes, the background monitoring task will be triggered to complete the link flow control, and the link control layer and media access control Layers and related registers and memories are operated accordingly to realize fully automatic and instant switching of physical links. Through a complete and reliable flow control mechanism, the loss of link switching can be minimized.

[0038]Due to the large dif...

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Abstract

A means for adapting different media of transmission link of network on physical layer, includes at least : a common interface, for connecting a interface of media access control (MAC) module ; more than one channels of different media ; a switch and control means , as a part of physical encoding sub-layer, for controlling auto-switch between channels of different media. FIFO synchronization for connecting the different media, are performed on the physical encoding sub-layer. It further includes : a detect and control means, for detecting state information of the channels and switching the channels according the state information; and a flow control means, outputing to a management interface of the switch and control means. The present invention can be applied to broadband computer network and the field of data communication to convenience network users, and the users are capable of flexibly selecting the type of physical media according their own requirement and conditions, and meanwhile the reliability of key-link in the network is ensured.

Description

Technical field [0001] The invention relates to a network intelligent connection device, in particular to a network intelligent connection device and a control method thereof which are located in the physical layer, can adapt to different network transmission link media, and realize smooth switching of the medium. Background technique [0002] As we all know, the development of broadband network and data communication field has put forward higher and higher requirements for network transmission bandwidth and media medium. But at this stage, there is no unified transmission bandwidth and media medium that can connect all network devices and terminal network nodes. For example, in the field of Ethernet, there are 10M full-duplex, 10M half-duplex, 100M full-duplex, 100M half-duplex, 1000M full-duplex, 1000M half-duplex and other link bandwidths. There are UTP-5, UTP-3, and other unshielded twisted pair cables, as well as single-mode optical fiber, multi-mode optical fiber and ...

Claims

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Application Information

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IPC IPC(8): H04L29/02H04L12/28H04L12/931
CPCH04L49/351H04L12/40032H04L12/40136
Inventor 杨利强李军张宏伟
Owner LENOVO (BEIJING) CO LTD
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