Rules for the Technical Engineering of Cable Radio and Television Systems Article 24-1
Subscriber drop line carrier to noise ratio should be less than 53 dB.
中文原文 有線廣播電視系統工程技術管理辦法第24-1條
訂戶引進線載波入侵雜訊比不得小於五十三分貝。
English translation for reference only; the Chinese text prevails. Not legal advice.