SDH與PDH傳送網(wǎng)詞匯I

Information model (IM) 信息模型
    Inherent monitoring 固有監(jiān)視
    Intemediate system (IS) 中間系統(tǒng)
    Intemational gateway (IG) 　國際接口局
    Intermational organication for standardization (ISO) 國際標(biāo)準(zhǔn)化組織
    Intersymbol interference (ISI) 碼間干擾
    Interworking function unit (IFU) 互通功能單元
    Interworking protocol (IP) 互通協(xié)議
    Intrusive monitoring 　 介入監(jiān)視