STS-1

  • 网络同步传输讯号层1
STS-1STS-1
  1. Once the STS-1 is dedicated , no other sources can use that bandwidth .

    一旦此STS-1为专用,其他资源就不能使用此带宽。

  2. 1981-The first launch of a Space Shuttle : Columbia launches on the STS-1 mission .

    1981年的今天,作为STS-1发射任务的哥伦比亚号发射升空,成为首次航天飞机的发射升空。

  3. The conventional Unidirectional Path Switched Ring ( UPSR ) is software-based , but for high capacity devices it cannot satisfy the switching-time requirement by ITU-T , especially for the low order path protection of STS-1 or tributary-based traffic .

    传统的通道保护倒换采用软件方式进行,但对于大容量设备来说,软件方式无法满足ITU-T的倒换时间要求,尤其是对于TUG3或TU12颗粒的低阶通道保护。