OAM&P:Operation Administration, Maintenance and Provisioning运行、管理、维护和预置
OAM:Operation, Administration and Maintenance操作、管理和维护
OSI:Open Systems Interconnection开放系统互连
OTDK：Optical Time Doman Reflectometer 光时域反射线
OTDM:Optical Time Division Multiplexing 光时分复用
PA:Power Amphfier 功率放大器
PABX:Private Automatic Branch Exchange 程控数字自动交换机
Paging :无线呼叫系统
PBX:Private Branch exchange 程控用户交换机
PDS：Premises Distribution System 建筑物布线系统
PSNT：Ponver Sum Next 综合近端串扰
PVC: Polyvinyle Chloride 聚氯乙烯
