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C1841 compatable with wic 4esw card?

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  • C1841 compatable with wic 4esw card?

    Hi everybody. Can you tell me if the Cisco C1841 is compatable with the WIC-4ESW card. I am getting the "unknown card in slot 0" message upon bootup, and am wondering if a different IOS would correct this or not. Both router and card are confirmed working, just not together.

    Thanks!

    Randy

  • #2
    Re: C1841 compatable with wic 4esw card?

    No, the WIC-4ESW will not work in a Cisco 1841 HWIC slot. You need the HWIC-4ESW.

    Official information from Cisco can be found here.

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    • #3
      Re: C1841 compatable with wic 4esw card?

      I am 99% sure the WIC-4ESW is only compatible with the 1700 series routers. Those were some funky routers with the wic-1enet and other one off cards. I wonder if that was a product line that Cisco purchased a company and merged it into their offerings. Anyone know the history by chance?

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      • #4
        Re: C1841 compatable with wic 4esw card?

        Thanks for that, guys. Yep, I am moving from some 1700 series routers, to the 1841's, and was hoping to take the wic cards with me, but no dice. As mentioned above the hwic cards do work, but are horribly expensive.

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