Cisco Router hwic module hot swappable?

I have a Cisco 2821 with an single-serial interface hwic module that I want to hot-swap with an hwic 4esw (four fast eternet ports).  Are these modules hot-swappable in the 2821?  Thanks
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Don JohnstonConnect With a Mentor InstructorCommented:
>Are these modules hot-swappable in the 2821?

Sorry, no.
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