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
第1题:
A.OSNR
B.dispersion
C.light skew
D.attenuation
第2题:
What is the phenomenon called where different wavelengths of light travel at different speeds?()
第3题:
How is attenuation measured?()
第4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?()
第5题:
is used in running rigging
doubles the size of the line
is only used on fiber rope
is very weak
第6题:
OSNR
dispersion
light skew
attenuation
第7题:
0 ps/nm
340 ps/nm
200 ps/nm
3400 ps/nm
More information is needed.
第8题:
2
3
4
5
第9题:
fiber loss
OSNR level
post amplification
index of reflection
index of refraction
power post amplification budget
第10题:
Fresnel units
decibels
EIRP
milliamperes
ohms
第11题:
电压
信号
电流
能量
第12题:
fiber loss
OSNR level
post amplification
index of reflection
index of refraction
power post amplification budget
第13题:
A whipping on a fiber line ______.
A.keeps the ends from fraying
B.strengthens it
C.protects your hands
D.becomes part of a splice
第14题:
If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km? ()
第15题:
衰减作用(attenuation)
第16题:
By how much is a signal’s strength reduced when the signal passes through an object thatintroduces 3 dB of attenuation?()
第17题:
Crowd of people
Office window
Metal door
Brick wall
第18题:
keeps the ends from fraying
strengthens it
protects your hands
becomes part of a splice
第19题:
第20题:
第21题:
Belaying spike
Fid
Heaver
Pricker
第22题:
Identify potential problem areas
Define intended coverage areas
Access compliance with local building codes
Determine the final location of APs and antennas
Identify sources of RF signal attenuation and RF interference
第23题: