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
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[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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