A gigabit dual-port server adapter

A technology of adapters and servers, applied in the direction of optical fiber transmission, electromagnetic network arrangement, electrical components, etc., to achieve the effects of flexible switching, improved transmission efficiency, and reduced delay

Active Publication Date: 2021-07-20
北京光润通科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although CN105406998A discloses based on the FPGA-based dual redundant Gigabit Ethernet media access controller IP core, which improves the response time of link switching, but in the switching process, there is a problem of transmission delay

Method used

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  • A gigabit dual-port server adapter
  • A gigabit dual-port server adapter
  • A gigabit dual-port server adapter

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Embodiment Construction

[0062] The above embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements to the technical solutions of the present invention can be made by those skilled in the art. All should fall within the scope of protection determined by the claims of the present invention.

[0063] figure 1 The structural framework of the Ethernet MAC controller IP core disclosed in the prior art is shown, specifically including:

[0064] PHY interface module: According to the working mode of PHY, the different data bit widths of MII and GMII interfaces are converted, so as to provide a unified data bit width for the upper layer sending module and receiving module;

[0065] Sending module: the main function is to complete the channel access control according to the CSMA / CD mechanism, and encapsulate t...

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PUM

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Abstract

The present invention provides a Gigabit dual-optical port server adapter, the adapter includes a first PHY layer controller, a second PHY layer controller, a MAC layer controller, a PCIE interface and two Gigabit optical fiber ports, Wherein, the MAC layer controller includes a bus interface, a receiving buffer module, a sending buffer module, a flow control module, a receiving module, a first sending module, a second sending module, a first PHY interface, a second PHY interface and a link failure judgment module ;The adapter supports the computer interface, and provides a main port and a backup port, one of which is a working port, and the other is a backup port. When switching to another link, the connection state of the network is guaranteed, which realizes non-inductive switching, reduces transmission delay, and improves transmission efficiency.

Description

technical field [0001] The invention belongs to the technical field of adapters, in particular to a gigabit dual optical port server adapter. Background technique [0002] With the advancement of science and technology, people's demand for information is increasing, and the transmission medium of network data has gradually changed from network to optical fiber transmission. Because optical fiber transmission of information has the advantages of large transmission capacity, good confidentiality, rapid and convenient. Fiber optic server adapters are used for data transmission in high-end equipment such as servers and desktops. The fiber optic server adapter is connected to different ports by an Ethernet controller to realize data conversion and transmission. [0003] Ethernet controller comprises Ethernet medium access controller (MAC layer controller) and physical layer interface chip (PHY layer controller), and MAC layer controller is the key that realizes flow control, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/032H04B10/25H04B10/27
CPCH04B10/032H04B10/25H04B10/27
Inventor 不公告发明人
Owner 北京光润通科技发展有限公司
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