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Product model
Functional description
Switching time
Bus type
PCI-E Gen2 4
  • Overview
  • Product function
  • Product parameter

     In today's ubiquitous network applications, the network has long been transformed from a simple information hosting platform to a key business and public service delivery platform that needs to be online at any time.For this reason, the robustness and reliability of network facilities have never been more important.

      In order to ensure the reliability of network, it is a common technique to construct redundant network system by using redundant backup technology.The experience of high quality redundant network is that when the network link is interrupted or changed, users will hardly notice it.For applications with high network quality requirements, the switching time of redundant links is directly related to the availability of the system.

     WN202 redundant Link network card is a 4 port gigabit network interface card with redundant link fast switching function.It can provide high-performance gigabit network interfaces for network devices such as desktops and servers. WN202 innovatively provides independent redundant links with microsecond automatic switching capability, making the network truly "always-on" at the link connectivity level.


Product modelWN202
Port type4 RJ45 10/100/1000M the adaptive
Type of transmission medium3/4/5 class UTP
The bus typePCI-E Gen2 4
Number of redundant links1 pair, consisting of port 1 and port 2
Redundant link switching time 1ms
Redundant link switching conditions

Default switching condition: Links automatically switch when the link port being used becomes down and alternate links are available

In addition to the default condition, the user can add the switch condition by himself. The user can specify the port in which rate and duplex state the link is not available, such as 10M half duplex, 100M half duplex, etc..

Size168mm 91mm
The most powerful15W
OtherSupport systemWindows Server 2012Windows 10Windows   8Windows Server 2008 R2Windows 7Windows Server 2008Windows VistaWindows   Server 2003 R2Windows Server 2003Windows XP ProfessionalLinux Stable   Kernel version 3.x2.6xRed Hat Enterprise Linux 56SUSE Linux Enterprise   Server 1011FreeBSD 9VMware ESX/ESXi

Contains 1 pair of redundant links, the two links are each other's hot backup;

In case of link failure, the board card will be automatically switched without the participation of the host;

Redundant link switching time less than 1 ms;

The standard of link fault judgment can be set according to the user's demand, and the user can choose which port state to switch the link in;

Redundant links on the system side are manifested as a single network port, so users do not need to make any binding configuration of redundant links, plug and play;

Interface between PCIE Gen2 X4 and the host;

Widely applicable to a variety of servers, computers, industrial computer and custom equipment;

Support Windows and Linux and other common operating systems;

Customized functions can be developed according to customer requirements.


Tel: +86-10-59713380

Addr: 607, Building No.2, Dihui International Center, 

           Shangdi 10th Road, Haidian District, Beijing

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