VWIC3-2MFT-T1/E1I have one card on cisco 1921 and i need to configure this to interface with SDH using E1 and the other side i have one Router connected in Datacom modem. Router Cisco 1921 (VWIC3-2MFT-T1/E1) ===> SDH Hauwei <===========> SDH Hauwei ...