| 有线电视光接收机输入功率验收标准的制定 |
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| 引用本文： | 李立永.有线电视光接收机输入功率验收标准的制定[J].中国有线电视,2012(8):926-928. |
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| 作者姓名： | 李立永 |
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| 作者单位： | 河北广电信息网络股份有限公司衡水分公司,河北衡水,053000 |
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| 摘 要： | 衡水市区城域网采用光纤到楼(FTTB)的技术方案构建,为将来拓宽带宽资源、开展交互式业务提供了平滑的技术升级基础。通过分析计算FTTB和FTTC在不同传输距离下的光接收机输入功率,确定光接收机输入功率标准为:FTTB光接收机输入功率为(-3±1)dB;FTTC光接收机输入功率为(-2±1)dB,为工程施工制定了严格统一的标准,并为工程竣工验收提供依据。
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| 关 键 词： | 输入功率 光分路器 FTTB FTTC |
Confirm the Formulation of the Standard in Input Power of Mere Receiver of Cable TV |
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| LI Li-yong.Confirm the Formulation of the Standard in Input Power of Mere Receiver of Cable TV[J].China Cable Television,2012(8):926-928. |
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| Authors: | LI Li-yong |
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| Affiliation: | Li-yong (Hengshui Branch of Hebei Broadcast Television Information Network Co. , Ltd, Hebei Hengshui 053000, China) |
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| Abstract: | The land network of urban area city of Hengshui adopts the optic fiber to the floor （FTFB ） Con- strueting scheme, it offers for widening bandwidth resources, launching the interactive business in future to be smooth. The determination of the input power of the mere receiver is that the construction has put forward the strict and unified standard, offer the feasible basis for final acceptance of construction of the project. |
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| Keywords: | input power comparison of splitter FTTB FTTC |
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