When sending the command “show interfaces summary” only the 16 Fast Ethernet ports of the NM-16ESW-1GIG are displayed. The Gigabit Ethernet port is not in the list. What’s the problem?

Hi,What is the process for managing a NM-16ESW-1GIG module inserted in a Cisco ISR2 3925 Router? I could setup the switch through the CLI, but would like to activate the Gig port and perform some other modifications. If I’m not wrong I need to activa...