多項(xiàng)選擇題

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

A.內(nèi)置波長(zhǎng)反饋方式 Built-in wavelength feedback
B.外置波長(zhǎng)反饋方式 External wavelength feedback
C.自動(dòng)功率控制反饋方式 Automatic power control feedback
D.溫度控制反饋方式 Temperature control feedback

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多項(xiàng)選擇題

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

多項(xiàng)選擇題

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

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