K.591EMC2[1]ITU-TRecommendationK.10(10/96)[2]ITU-TRecommendationK.33(10/96)[3]ITU-TRecommendationK.37(02/99)EMCEMC[4]ITU-TRecommendationK.43(05/98)[5]ITU-TRecommendationK.44(02/00)[6]ITU-TRecommendationK.46(12/00)[7]ITU-TRecommendationK.47(12/00)[8]ITU-TRecommendationK.48(02/00)EMC[9]ITU-TRecommendationK.50(02/00).[10]ITU-TRecommendationK.51(02/00).[11]ITU-TRecommendationK.53(02/00)[12]ITU-TRecommendationK.54(10/00)[13]ITU-TRecommendationG.961(03/93)ISDN[14]ITU-TRecommendationL.19(10/00)ISDNHDSLADSLUADSL[15]IEC60950-1(2002)[16]IEC60950-21(2003)[17]RecommendationK.60(08/03)EMC33.13.2ADSLDSLISDNLCLTCLPOTSSPDANSIETSIOFTELTTC411/K.59–5123466.1K.33K.50K.53IEC609506.1.1K.50K.516.1.2K.33K.536.26.2.1KK.4456.2.2K.46K.47,6.3EMC6.3.1EMC”K.43K.48EMC6.3.2LCL(TCL)K.606.46.4.16.4.2/ETSIANSIOFTELTTCEMCEMCEMC17.17.1.11237.1.27.27.2.11237.2.2SPD7.37.3.1127.3.2K.37K.37LCLLCLLCLITU-TLCLITU-TLCL7.47.4.1127.4.212LCLITU-TLCL1/K.59–ITU-TLCL[kHz]LCL1)[Ω]POTS0.3-3.446dB600K.10(10/96)ISDN808-80044dB5dB/decadedecrease150,110G.961(03/93)ISDN,HDSL,ADSL,UADSL4040dB5dB/decadedecreaseL.19(10/00)1)TCLLCL88.18.2