填空题
在CWDM中,如果采用常规光纤,即G.652A&B光纤,波长范围为();如果采用无水峰光纤,即G.652C&D光纤,波长范围()。
【参考答案】
1471 nm~1611 nm;1271 nm~1611 nm
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相关考题
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判断题
对于40波以上至160波的超大容量传输,ZXWM M900的光放大部平台对C波段和L波段分别同时放大 -
单项选择题
The ZXMP M900 is applicable to ultra long-haul transmission and the system reach can be up to () at the maximum 。
A.640km
B.2000km
C.560km
D.800km -
单项选择题
In a ZXMP M800 system using 100M monitoring, the order-wire and protection switching commands are delivered to related network elements of multicast groups. Each system has a maximum of () multicast groups.
A.1
B.2
C.3
D.4
