How to upgrade ONTs with OLT Command Line:
remote-unit task test2
description
service-type Gpon
equipment-type F625G
vendor-name ZTEG
match-vertag unequal V2.0.1P6
range ne
mode Both
action Update-and-reboot
version-file f62xgv2_f72xg_sip_v2.0.0p6t5_burnrom.bin
parallel-limitation 64
task add
task abort
show remote-unit information gpon-olt_1/13/1 10
show gpon remote-unit capability gpon-olt_1/13/1 10
show cpe information gpon-olt_1/13/1 10
show cpe update-status gpon-olt_1/13/1 10
show remote-unit update-status gpon-olt_1/13/1 10
show gpon onu state