[c-nsp] 12000 SIP-401: datasheet typo?

[Pete Templin]

http://www.cisco.com/en/US/prod/collateral/routers/ps167/product_data_sheet0900aecd80465682.html

In Table 2, the SIP-401 uses Engine 5, but is compatible with the 12000 
series.  Is it actually Engine 3?  Does it work in 120xx chassis?

Thanks,

Pete