supply of power supply card type a & b, dp modem card, dp control card, 24v emi filter, communication spd.power supply card type a & b, dp modem card, dp control card, 24v emi filter, communication spd.,power supply card type a (m181psa-01) for msdac (make-medha) [ warranty period: 30 m onths after the date of delivery ] ] , power supply card type b (m181psb-01) of msdac (make-medha) [ warranty period: 30 mo nths after the date of delivery ] ] , dp modem card (m181dmc-01) of msdac (make-medha) [ warranty period: 30 months aft er the date of delivery ] ] , dp control card (m181dcc-01) of msdac (make-medha) [ warranty period: 30 months afte r the date of delivery ] ] , 24v emi filter (m181emi-24) of msdac (make-medha) [ warranty period: 30 months after t he date of delivery ] ] , communication spd (m181cspd-01) of msdac (make-medha) [ warranty period: 30 month s after the date of delivery ] ]