光纤通信系统按光调制方式分有()光纤通信系统和()光纤通信系统;按传输信号分有()光纤通信系统和()光纤通信系统。
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根据中国银监会《固定资产贷款管理暂行办法》,当借款人违反合同约定,以化整为零方式规避贷款人受托支付时,贷款人应当根据()停止贷款资金的发放和支付。
光缆成端方式与工程选用的ODF架生产厂商不同,其布缆成端安装工艺也有所不同,一般都应按厂商提供的工艺安装手册进行,但不论何家产品,光缆成端都应符合以下哪几条要求()。
A. 根据终端设备的配置,合理固定光缆和光缆接头管(盒)
B. 挂表测试电缆环路电阻合格
C. 光纤成端接续应用OTDR进行监测,接续损耗符合要求
D. 尾纤标签应标明方向和序号
E. 光缆、尾纤安装应符合整齐、美观,便于维护
Two DS8700 systems have been proposed for a disk-to-disk BC solution. Each system has 200 TB installed, with a data change rate of 18% per day. Two 2 Gbps CWDM links are in place between the remote data centers with an average utilization rate of 55%. The proposed solution includes additional CWDM ports. Which of the following should justify the additional CWDM ports()
A. the Disk Magic configuration report
B. an engineer from thetelcom providing the dark fiber
C. the bandwidth calculations
D. aCompeteLine analysi
对接近常压的低溶质浓度的气液平衡系统,当总压增大时,亨利系数E(),相平衡常数m(),溶解度系数H()。