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Transfer the research and development of core and cutting-edge technologies into productivity, promoting China's national optica enterprises to support and lead the healthy development of high-end optical industry.

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  • GRT Gigabit unidirectional transmission NIC

    单向传输光纤网卡是光润通基于Intel I350开发出来的一款 PCI-Express X4 光纤千兆以太网适配卡。由发送端网卡和接收端网卡组成,发送端网卡的光纤模块只有发送端口。接收端网卡的光纤模块只有接收端口,采用单根LC光纤跳线连接。它既实现了计算机内部网络与外部网络之间的物理隔离,又能够保证数据在内外网络之间实时、可靠、安全地单向传输。配合第三方软件使用,可广泛应用于公安、政务系统、军队等涉密单位以及其它需要保密的计算机网络中。

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  • Functional Specification Data Download
  • Product Introduction

    F902E-DF2/ F902E-DS2 is GRT second-generation unidirectional Ethernet NIC . It is based on Intel®I350 design with featuring high performance, no packet loss, and stable operation. The second-generation one-way card is consist of a single-issue card and a single-receipt card. A single-issue card can be sent without the RX signal. The performance of the single-card is more stable than that of the ordinary network card, and no packet loss. Since it is only one-way transmission and has no return signal, it supports UDP protocol and does not support TCP protocol. You need to manually set the ARP information. The second-generation one-way card has better performance than the one-generation one-way card.


    Key characteristics

    (1)Security. Since data can only be transmitted in one direction from the physical layer or the protocol layer, it is possible to completely isolate the upper and lower machines and achieve perfect security requirements that cannot be achieved by other methods.


    (2) The rate of packet loss can theoretically reach the line speed. Different software and hardware environments will restrict the performance of the one-way card to different degrees. The following parameters can be achieved on most platforms, and the platform performance is good enough to reach the line speed. .

    64B packet, up to 300Mbps

    512B package, up to 600Mbps

    Large package of 1KB or more, the performance reaches 940Mbps or more


    (3) The configuration is very good and if the host interrupt, other parameters can achieve 7*24 hours without packet loss, and work stably without interruption.


    GRT Gigabit unidirectional transmission NIC(图1)

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    GRT 40G XL710 Dual Port Optical Network Card

    F4002E

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    GRT 25G XXV710 Dual Port Optical Network Card

    F2502E

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    GRT 40G Dual Port OCP Mezzanine Card

    F4002E-OCP

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    GRT 25G XXV710 Dual Port OCP Mezzanine Card

    F2502E-OCP

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    GRT 10G Quad Port OCP Mezzanine Card

    F1004-OCP

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    GRT 25G Dual Port Bypass Card

    F2502E-BP

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    GRT 10G Dual Port Bypass Card

    F1002E-BP

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    GRT 10G X550 Dual Port RJ45 Card

    F1002T

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    GRT 1000Mbs I350 Quad Port RJ45 Card

    F904T

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    GRT Gigabit I350 Dual Port RJ45 Card

    F902T