Prerequisites for Configuring T3/E3 Controllers
You must be in a user group associated with a task group that includes the proper task IDs. The command reference guides include the task IDs required for each command. If you suspect user group assignment is preventing you from using a command, contact your AAA administrator for assistance.
Before configuring T3/E3 controllers, be sure that you have one of the following supported SPAs installed in the router:
Cisco 2-Port and 4-Port Clear Channel T3/E3 SPA