supply of usb to serial (rs-232) converter,decorder card as per irs: tc 60/20076 amdt-1 or latest & other items-------etcusb to serial (rs-232) converter,decorder card as per irs: tc 60/20076 amdt-1 or latest & other items-------etc,power safe plus smf battery 12v ,26ah make: exide/similar [ warranty period: 30 mo nths after the date of delivery ] ] , 16 a double pole (dp) c type miniature circuit breaker (mcb) make: havells/similar [ war ranty period: 30 months after the date of delivery ] ] , 6 a double pole (dp) c type miniature circuit breaker (mcb) make: havells/similar [ warr anty period: 30 months after the date of delivery ] ] , 32a double pole (dp) c type miniature circuit breaker (mcb) make: havells/similar [ warr anty period: 30 months after the date of delivery ] ] , decoder card as per irs: tc 60/2007 amdt-1 or latest. make: bentron or epsilon [ w arranty period: 30 months after the date of delivery ] ] , 4w way station dtmf equipment as per rdso spec. no irs-tc /60 /93 or latest ( with 4 wire t elephone as per spec. no tc-38 /97 or latest. make- bentron, epsilon or similar and supply of 12v/7ah pow er supply unit for control phone. [ warranty period: 30 months after the date of delivery ] ] , 12volt power supply unit ( psu) for telecom installation at way side station. make: bentron or epsilon [ warranty period: 30 months after the date of delivery ] ] , usb to serial (rs-232) converter make: cadyce/similar. [ warranty period: 30 months afte r the date of delivery ] ] => limited