Supply Of Control Room Equipment Operated On 48 V Dc With Three Digit Segment Led Display And Way Station Calling Facility Up To 80 Stations By Pressing Push Button Along With 20 Local Telephone Calli Ng Facility With Microphone, Speaker And Handset Along With Remote Patching Equipment As Per Rdso Spec Ification No. Rdso/Spn/Tc/66/2007 With Amendment-2 Including Latest Amendments. (Equipment Should Co Mpatible With The Existing System, Test Room Equipment & Way Side Equipment Of Make: Marvel Over Kur Division As Per Mentioned Rdso Spec.). Make: Marvel Or Similar. [ Warranty Period: 30 Months After The Date Of Delivery ] ]