试题详情
- 单项选择题 Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()
A、 fiber loss
B、 OSNR level
C、 post amplification
D、 index of reflection
E、 index of refraction
F、 power post amplification budget
- A
关注下方微信公众号,在线模考后查看
热门试题