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2.2 缩略语

    ACR-F(Attenuation to Crosstalk Ratio at the Far-end)衰减远端串音比
    ACR-N(Attenuation to Crosstalk Ratio at the Near-end)衰减近端串音比
    BD(Building Distributor) 建筑物配线设备
    CD(Campus Distributor) 建筑群配线设备
    CP(Consolidation Point) 集合点
    d.c.(Direct Current loop resistance) 直流环路电阻
    ELTCTL(Equal Level TCTL) 两端等效横向转换损耗
    FD(Floor Distributor) 楼层配线设备
    FEXT[Far End Crosstalk Attenuation(loss)] 远端串音
    ID(Intermediate Distributor) 中间配线设备
    IEC(International Electrotechnical Commission) 国际电工技术委员会
    IEEE(the Institute of Electrical and Electronics Engineers)美国电气及电子工程师学会
    IL(Insertion Loss) 插入损耗
    IP(Internet Protocol) 因特网协议
    ISDN(Integrated Services Digital Network) 综合业务数字网
    ISO(International Organization for Standardization) 国际标准化组织
    MUTO(Multi-User Telecom-munications Outlet) 多用户信息插座
    MPO(Multi-fiber Push On) 多芯推进锁闭光纤连接器件
    NI(Network Interface) 网络接口
    NEXT[Near End Crosstalk Attenuation(loss)] 近端串音
    OF(Optical Fibre) 光纤
    POE(Power Over Ethernet) 以太网供电
    PS NEXT [Power Sum Near End Crosstalk Attenuation(loss)] 近端串音功率和
    PS AACR-F(Power Sum Attenuation to Alien Crosstalk Ra-tio at the Far-end) 外部远端串音比功率和
    PS AACR-Favg(Average Power Sum Attenuation to Alien Crosstalk Ratio at the Far-end) 外部远端串音比功率和平均值
    PS ACR-F(Power Sum Attenuation to Crosstalk Ratio at the Far-end) 衰减远端串音比功率和
    PS ACR-N(Power Sum Attenuation to Crosstalk Ratio at the Near-end) 衰减近端串音比功率和
    PS ANEXT[Power Sum Alien Near-End Crosstalk(loss)]外部近端串音功率和
    PS ANEXTavg[Average Power Sum Alien Near-End Crosstalk(loss)] 外部近端串音功率和平均值
    PS FEXT[Power Sum Far end Crosstalk(loss)] 远端串音功率和
    RL(Return Loss) 回波损耗
    SC[Subscriber Connector(optical fibre connector)] 用户连接器件(光纤活动连接器件)
    SW(Switch) 交换机
    SFF(Small Form Factor connector) 小型光纤连接器件
    TCL(Transverse Conversion Loss) 横向转换损耗
    TCTL(Transverse Conversion Transfer Loss) 横向转换转移损耗
    TE(Terminal Equipment) 终端设备
    TO(Telecommunications Outlet) 信息点
    TIA(Telecommunications Industry Association) 美国电信工业协会
    UL(Underwriters Laboratories) 美国保险商实验所安全标准
    Vr.m.s(Vroot.mean.square) 电压有效值