PRETS 300290:1992被替代
Business Telecommunications (bt); Open Network Provision (onp) Technical Requirements 64 Kbit/s Digital Unstructured Leased Line (d64u) - Terminal Equipment Interface
出版：European Telecommunications Standards Institute
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基本信息
標準編號： PRETS 300290:1992
發布時間：1992/11/1 0:00:00
標準類別：Draft
出版單位：European Telecommunications Standards Institute
標準頁數：29
標準簡介
Specifies the full physical and electrical characteristics and corresponding test principles for a terminal equipment interface for connection to the network termination points of ONP 64 kbit/s digital unstructured leased lines with octet integrity. Does not cover wiring practice and installation between the equipment and the Network Termination Point (NTP).
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