问题描述:
[单选]
关于M800 OPCS保护下面那种说法不正确Which of the following statements about the M800 OPCS protection is false?()
A.可以支持OA 触发, 该方式的保护是返回式的\ nIt supports OA triggering, and this is a revertive protection mode.
B.可以支持OPCS+OA触发, 该方式的保护是返回式的\ nIt supports OPCS+OA triggering, and this is a revertive protection mode
C.可以支持OTU+OA触发, 该方式的保护是返回式的\ nIt supports OUT+OA triggering, and this is a revertive protection mode.
D.OPCS保护无法实现单板级别的保护\ nThe OPCS protection cannot implement board protection.
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上一篇: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.
下一篇:下面那个告警不会触发OTU10G板支路1+1保护倒换()Which of the following alarm will not cause the 1+1 tributary protection switching on the OTU10G board?()
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