Core Issue
The controller NM-xCE1T1-PRI will not be detected and cannot be configured until you use the "card type" command. Customer can not configure "controller T1 before using card type command.
Resolution
After insert the NM-xCE1T1-PRI feature network module into the router chassis, you must use the card type command in the command-line interface (CLI) to configure the NM-xCE1T1-PRI feature. The controller will not be detected and cannot be configured until you use the card type command.
For detail please see the url below:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123_1/gt_et2sw.htm#1040186
