问题描述:
[单选]
M600设备不能实现下列哪种保护:Which of the following protections cannot be implemented by M600?()
A.1+1通道保护 (用OP板保护OTU故障和线路故障)1+1 channel protection (use the OP board to prevent the OTU fault and line failure)
B.1+1通道保护(用带保护功能的OTU板,仅保护线路故障)1+1 channel protection (use the OTU board with the protection function to only prevent line failure)
C.复用段1+1保护Multiplexer section 1+1 protection
D.通道共享保护 Channel shared protection
参考答案:查看无
答案解析:无
☆收藏
答案解析:无
☆收藏
上一篇:下面哪一个保护方式不需要APS协议Which of the following protection modes does not need the APS protocol?()
下一篇:光通道保护(OPCS)的波长分配原则( )逆时针方向利用()为工作波长,()为保护波长In terms of the classification principle of wavelength in the optical path protection (OPCS), the anti-clockwise direction uses()as the working wavelength and()as the protection wavelength.
- 我要回答: 网友(216.73.216.22)
- 热门题目: 1.圆炒青历史上主要集散地在浙江 2.人舌对甜味最敏感的部位是() 3.子宫动脉上行支结扎术的并发症
