olt onu gpon epon
ONU (Optical Network Unit) 光网络单元
olt onu gpon epon
ONU分为有源光网络单元和无源光网络单元
ITMS是终端综合管理系统(Integrated Terminal Management System)
知识就是希望
ONU (Optical Network Unit) 光网络单元
olt onu gpon epon
ONU分为有源光网络单元和无源光网络单元
ITMS是终端综合管理系统(Integrated Terminal Management System)