home > Support > Maintenance Maintenance Service System   General Service Telephone Support In working time Remote Support O Responsibility engineer Support O Cyclically Remote Support O Cyclically visitation support O Security & training O Pattern Update O Version Upgrade O Option Service (Additional Cost) Monitoring O Firmware Upgrade O Hardware Upgrade O Semi-Consulting(Security) O For Free Complete charge engineer support More than 2th month during free maintenance period pattern update enforcement More than 1th year during free maintenance period version Upgrade enforcement Visit checking and remote support service offer at product obstacle Maintenance that have expense Visit checking and remote support service offer at product obstacle Occasion that free maintenance period ends Hardware replace work More than 2th month pattern update enforcement More than 1th year version Upgrade enforcement