start here:
http://www.cisco.com/en/US/docs/net_mgmt/network_analysis_module_software/3.6/catalyst_6000/quick/guide/cat6kqsg.html
There are other links within that doc that will help
Here is the syntax to get to the module:
Step 1 Access the NAM CLI by establishing a console session with the NAM.
a. For devices running Cisco IOS enter:
session slot module_number processor 1
this is from the command promt of the 7600