System calculations
B.28 EST3 Installation and Service Manual
Fiber optic cable worksheet
The fiber optic cable worksheet should be used to verify that the
light attenuation factors do not exceed the fiber optic budget for
any fiber optic cable segment.
Notes
The contractor installing the fiber optic cable provides items A,
B, and D.
Fiber optic budget must be greater than the total link loss (F).
Table B-12: Fiber Optic Cable Worksheet
Link Name A
Cable loss
per unit
distance
[ ] dB/Ft
[ ] dB/Km
[ ] dB/Mi
B
Distance
[ ] Feet
[ ] Km
[ ] Miles
C
Cable Loss
A x B
D
Number of
Splices
E
Contingency
Splices
F
Total Link Loss
(dB)
C+2[D+E]
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