组网布线：综合布线相关术语 三

PSPDN          Packet Switched Public Data Network              公众分组交换数据网

RF             Radio Frequency                               射频

SC             ubscriber Connector(Optical Fiber)                用户连接器（光纤）

SC-D           Subscriber Connector-Dual(Optical Fiber)          双联用户连接器（光纤）

SCS            Structured Cabling System                     结构化布线系统

SDU           Synchronous Data Unit                        同步数据单元

SM FDDI       Single- Mode FDDI                           单模FDDI

SFTP          Shielded Foil Twisted Pair                       屏蔽金属箔对绞线

STP            Shielded Twisted Pair                          屏蔽对绞线

TIA           Telecommunications Industry Association          美国电信工业协会

TO           Telecommunications Outlet                   信息插座（电信引出端）

Token Ring 4Mbit/s          Token Ring 4Mbit/s              令牌环路4Mbit/s

Token Ring 16Mbit/s          Token Ring 16Mbit/s            令牌环路16Mbit.s

TP                       Transition Point                        转接点

TP-PMD/CDDI             Twisted Pair-Physical Layer Medium      依赖对绞线介质的

Dependent/cable Distributed Data      传送模式/或称铜缆

Interface                           分布数据接口

UL                   Underwriters Laboratories          美国保险商实验所安全标准

UNI                  User Network Interface            用户网络侧接口

UPS                  Uninterrupted Power System        不间断电源系统

UTP                  Unshielded Twisted Pair           非屏蔽对绞线

VOD                 Video on Demand                 视像点播

Vr.m.s               Vroot.mean.square                 电压有效值

WAN                 Wide Area Network                 广域网