Upgrade NEC ONU software from OLT.
configure management
onu-upgrade
hw-type type [hw_type] hw-rev [hw_rev] manual fw-rev [new_ver] [image file name]
upgrade manual
fw-upgrade [module]/[port]/[onu] manual normal
sh onu-upgrade result manual
configure management
onu-upgrade
hw-type type [hw_type] hw-rev [hw_rev] manual fw-rev [new_ver] [image file name]
upgrade manual
fw-upgrade [module]/[port]/[onu] manual normal
sh onu-upgrade result manual