縐誨姩瀹藉甫

浜у搧鍨嬪彿錛?
浜у搧瑙勬牸錛?
浜у搧綆€浠嬶細(xì)閮戝窞鍥鴻瘽榪愯惀浠嬬粛縐誨姩瀹藉甫銆?浼犵粺鐨勭數(shù)璇濈嚎緋葷粺浣跨敤鐨勬槸閾滅嚎鐨勪綆棰戦儴鍒嗭紙4kHz浠ヤ笅棰戞錛夈€傝€孉DSL閲囩敤DMT錛堢鏁ｅ闊抽錛夋妧鏈紝灝嗗師鏉ョ數(shù)璇濈嚎璺痮kHz鍒?.1MHz棰戞鍒掑垎鎴?56涓瀹戒負(fù)4.3khz鐨勫瓙棰戝甫銆傚叾涓紝4khz浠ヤ笅棰戞浜虹敤浜庝紶POTS錛堜紶緇熺數(shù)璇濅笟鍔★級錛?0KhZ鍒?38KhZ鐨勯孌電敤鏉ヤ紶閫佷笂琛屼俊鍙鳳紝138KhZ鍒?.1MHZ鐨勯孌電敤鏉ヤ紶閫佷笅琛屼俊鍙楓€侱MT鎶€鏈彲浠ユ牴鎹嚎璺殑鎯呭喌璋冩暣鍦ㄦ瘡

璇︾粏浠嬬粛

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