Plesiochronous Digital Hierarchyとは 意味・読み方・使い方

To provide a system or the like for applying fault determination on each of a plesiochronous digital hierarchy (PDH) apparatus/a synchronous digital hierarchy (SDH) apparatus, and finding a true faulty facility, in a communications network, including the PDH/SDH apparatuses.例文帳に追加

ＰＤＨ装置／ＳＤＨ装置それぞれに対する故障判定を行うほかに、ＰＤＨ／ＳＤＨを含めて通信網内における真の故障設備を求めること。 - 特許庁

To provide a multiplexer that multiplexes an SDH (Synchronous Digital Hierarchy) signal or a PDH (Plesiochronous Digital Hierarchy) signal by using a compression technology and an error correction code technology so as to realize the effective utilization of a channel with excellent economy.例文帳に追加

ＳＤＨ信号又はＰＤＨ信号を圧縮技術と誤り訂正符号技術とを用いて多重化し、経済性に優れた回線の有効利用を実現する多重化装置を提供する。 - 特許庁

Inter-device cables 11, 12 and 13 for transmitting PDH (plesiochronous digital hierarchy) data signal rows among a plurality of wireless transmitters A, B and C are disposed in a mesh shape.例文帳に追加

ＰＤＨデータ信号列を複数の無線伝送装置Ａ，Ｂ，Ｃとの間で伝送するための装置間ケーブル１１，１２，１３をメッシュ状に配設する。 - 特許庁