This part of European Telecommunication Standard (ETS) 300 119 details requirements for subracks for use in miscellaneous racks/cabinets@ as described in ETS 300 119-3 [4]. The subrack will normally be supplied as a fully assembled structure@ unequipped@ partially equipped or fully equipped with plug-in units@ etc.
PRETS 300 119-4-1992由ETSI - European Telecommunications Standards Institute 发布于 1992-01-01,并于 2014-04-16 实施。
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