supply and commissioning of 04 in nos . fully rugged salt fog complied laptops/tablets and related accessories to be used as hydrographic data acquisition unit in small workboats , supply and commissioning of 04 in nos . fully rugged salt fog complied laptops/tablets and related accessories to be used as hydrographic data acquisition unit in small workboats , fully rugged salt fog complied laptops/tablets having hot-swap feature along with two batteries and other standard accessories with 03 years warranty , moxanport 5450i-t4 port rs-232 to 1 port ethernet converter ( serial port to ethernet converter ) , moxauport 1450i4 port rs-232 to 1 port usb converter ( serial port to usb converter ) , belkin ac anywhere power inverter with usb charging 200 w ( converts 11-15v dc into 220v ac ) ,