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PON（Passive Optical Network：无源光纤网络)技术是一种点到多点的光纤接入技术，它由局端侧的OLT、用户侧的（）以及ODN组成。

A.BBU

B.ONU

C.MSTP

D.SDH

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更多“PON（Passive Optical Network：无源…”相关的问题

第1题

GPON的全称是Gigabit-capable Passive Optical Networks。（)

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第2题

四边形（的）（）

A.quadrilateral

B.polygon

C.square

D.optical

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第3题

The R8EGF board in ZTE ZXCTN 6300/6200 equipment provides 8-port GE SFP optical inter

A. And its functions include ().

B.Interface rate configuratio

C.Digital diagnosis for the optical interface

D.Auto shutdown function of the optical interface laser

E.Ethernet synchronizatio

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第4题

In a ZTE DWDM implementation, which of the following boards should be attached with la

A.Optical transmit unit (OTU)

B.Optical add/drop multiplexer (OAD)

C.4-channel 644M sub-rate convergence board(SRM42)

D.2-channel Gigabit Ethernet convergence board(GEM2)

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第5题

Optical interface of ZXCTN6100&6200&6300 automatically shuts down output when

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第6题

Which of the following should be noted when performing hardware loop on optical inter

Which of the following should be noted when performing hardware loop on optical interface through fiber？()

A.Never look straight at output optical interface or tail fiber end surface that connects with it.

B. First you must disable laser output to avoid too strong output power burning down tail fiber end face.

C. Use an optical power meter to measure input interface power to avoid receiver burning down due to overload.

D. If there are no attenuators, loosen the receiver and tighten the transmitter to prevent optical input from overloading.

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第7题

OLT（Optical Line Terminal)，ONU（Optical Network Unit)，ONT（Optical Network Terminal)，O

A.光线路局端，光网络终端，光网络单元，光分配网

B.光线路局端，光网络单元，光分配网，光网络终端

C.光线路局端，光网络单元，光网络终端，光分配网

D.光网络单元，光线路终端，光网络终端，光分配网

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第8题

In 1981, the world’s longest suspension bridge—the _____ Bridge was completed. The wor

ld’s longest high-speed optical fiber link connected _____ with London.

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第9题

“OP”一词为“OPTICAL”的缩写，视觉上的光学，因此，欧普艺术又名为视觉效应艺术或光效应艺术。()

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第10题

A．effectiveB．passiveC．relativeD．expressive

A.effective

B.passive

C.relative

D.expressive

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第11题

passive（）

A.被动的

B.积极的

C.主动的

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