多项选择题

ZXMP M800 can be applied to a（）channel system.

A.8
B.16
C.40
D.80

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多项选择题

A ZXWM M900 system provides several wavelength stabilizing methods, including （）.

A.内置波长反馈方式 Built-in wavelength feedback
B.外置波长反馈方式 External wavelength feedback
C.自动功率控制反馈方式 Automatic power control feedback
D.温度控制反馈方式 Temperature control feedback

多项选择题

he ZXWM M900 system transmits network management information using specified monitoring channel at a rate of（）.

A.2 Mbit/s
B.10 Mbit/s
C.100 Mbit/s
D.1000 Mbit/s

多项选择题

Select boards allowing optical protection from the following options. （）

A.OP
B.OPCS
C.OPMS
D.SWE
E.OPM
F.OMCP