Cisco VWIC-2MFT-T1 2-Port Multiflex Network Interface Module Router Trunk Card 800-04477-03 D1.

Cisco Part Number: 800-04477-03 D1
Cisco Model Number: VWIC-2MFT-T1
Compatible Models: Cisco 1700 1841 2612 2691 2600XM 2800 3700 3800 Series

Interfaces/Ports:
CTRLR T1/ 1
CTRLR T1/ 0