基于硬件的信息辅助保护倒换

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。信息辅助保护倒换将通道的告警信息编成一定的码字,再将其插入到本通道空闲的开销字节中,以实现全硬件的自动保护倒换。这种倒换不仅可以保证满足系统50 m s的倒换时间要求,而且可以大大降低微处理器的负荷。...

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Bibliographic Details
Published in:	Guangtongxin yanjiu
Main Author:	程胜利
Format:	Article
Language:	Chinese
Published:	《光通信研究》编辑部 2006-01-01
Subjects:	硬件;单向通道倒换环;信息辅助保护倒换
Online Access:	http://www.gtxyj.com.cn/thesisDetails#10.13756/j.gtxyj.2006.04.011

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