I found this "VWIC2-2MFT-G703 1841 - 3845 tied to platform slot density" from cisco web site, does it mean if cisco 1841 have two wic slots I can put two
VWIC2-2MFT-G703 in this chassis.
referance link
http://www.cisco.com/en/US/prod/collateral/routers/ps10538/aag_c07_563807.pdf