N12 Card Alarms

I am receiving the following alarms in my 128 system:

MSG 10 MINOR ALARM CARD OFF 1 2
11:23 JULY17, 2006

MSG 135 MINOR ALRAM NET 24 ALARM RAI 1 2 4
11:23 JULY17, 2006

MSG 136 MINOR ALARM NET 24 ALARM RAI OFF 1 2 9
11:23 JULY17, 2006

MSG 132 MINOR ALARM NET 24 LINK UP 1 2 11
11:23 JULY 17, 2006

The N12 is connected to a Cisco 2620XM router with a V1MFT-T1 card and it has an AIM-VOICE-30 Module in it. Clear channel is provided to the system for signaling.

Any clue as to why the card is shutting down? I am at wits end on this one..... frown It happens every day.

Thank you for your assistance!