Realization method, system and interface device for Ethernet electric interface compatibility

A technology of interface equipment and implementation method, which is applied in the field of Ethernet, can solve problems such as unfavorable promotion and application of 40G/100G products, incompatibility of products, incompatibility, etc., and achieve the effect of avoiding incompatibility and intercommunication

Active Publication Date: 2008-04-30
北京紫光通信科技集团有限公司
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Problems solved by technology

The problem that will be caused by this is that under different implementation methods, the products of different manufacturers cannot communicate with each other and cannot be compatible. higher requirements

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  • Realization method, system and interface device for Ethernet electric interface compatibility
  • Realization method, system and interface device for Ethernet electric interface compatibility
  • Realization method, system and interface device for Ethernet electric interface compatibility

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Embodiment Construction

[0039] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples.

[0040] It can be seen from the description of the background technology that there are many different implementation methods for the 40G / 100G Ethernet electrical interface, and different implementation methods correspond to different cable types. For example, the 4x25 method corresponds to a 4x cable with a total of 16 wires; the 5x20 method corresponds to A 5x cable with a total of 20 lines; a 10x10 mode corresponds to a 10x cable with a total of 40 lines. For the two ends that need to transmit data, if they choose different electrical interface implementation methods, the PMD interfaces at the two ends will not be compatible and interoperable, and normal data transmission will not be possible.

[0041] In order to overcome the above problems, the pres...

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Abstract

The invention provides a method for realizing the compatibility of an Ethernet electrical interface. The method includes: any one of the two ends modifies the working mode information supported by itself according to the transmission link between the two ends, and the modified working mode The mode information is sent to the opposite end, and the working mode information transmitted by the opposite end is received, and a working mode supported by both parties is determined for communication according to the modified working mode information of the local end and the working mode information sent by the opposite end. In addition, the invention also provides a system and interface equipment for realizing the compatibility of the electrical interface of the Ethernet. The invention can realize compatibility and intercommunication between 40G/100G Ethernet electrical interfaces.

Description

technical field [0001] The invention relates to the Ethernet technology, in particular to a method, a system and an interface device for realizing compatibility of an Ethernet electrical interface. Background technique [0002] The Ethernet standard is currently the communication standard with the highest market share. In recent years, with the improvement of bandwidth requirements and the enhancement of device capabilities, 1000M and 10G Ethernet standards have appeared one after another. Demand, IEEE 802.3 HSSG high-speed research group also determined to develop 40Gb / s and 100Gb / s two kinds of next-generation Ethernet standards this year. [0003] After feasibility analysis, 40G / 100G high-speed Ethernet may be realized by the baget Ethernet ten-bit electronic interface (CTBI). Figure 1 shows a schematic diagram of the CTBI technical framework, mainly including the physical coding sublayer (PCS), physical medium The connection sublayer (PMA) and the physical medium depend...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/02H04L12/28
Inventor 王明辉
Owner 北京紫光通信科技集团有限公司
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