Apparatus for protecting low/high order traffic boards in a synchronous digital hierarchy transmission device
作者： o Alcatel Shanghai Bell You Gang , o Alcatel Shanghai Bell Yao Jin
DOI:
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摘要: The present invention relates to an apparatus for protecting low/high order traffic boards in a synchronous digital hierarchy transmission device, comprising spare board arranged at said region; set of protection buses, backboard device and respectively connected port board, enabling each receive signal transmitted via buses; region plugged slot connecting buses board. Without increasing complexity system, the provides buses. Redundant is achieved by so as enhance reliability system. In addition, can be any increase flexibility redundant low-cost simple manner.
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