Generally, which of the following is not a split ratio of an optical splitter in a PON?
A.
1:8
B.
1:14
C.
1:18
D.
1:4
The Answer Is:
B, C
This question includes an explanation.
Explanation:
Optical Splitter Overview :
Optical splitters are passive devices used in PON (Passive Optical Network) systems to divide the optical signal from the OLT into multiple paths for ONUs.
Standard Split Ratios :
Common split ratios include:
1:4 : Divides the signal into 4 paths.
1:8 : Divides the signal into 8 paths.
1:16 : Divides the signal into 16 paths.
1:32 : Divides the signal into 32 paths.
1:64 : Divides the signal into 64 paths.
Non-standard split ratios like 1:14 or 1:18 are not supported because they do not align with the design principles of PON systems.
Why B, C?
1:14 and 1:18 are not standard split ratios and are not used in PON systems.
Thus, the correct answers are B, C .
References:
HCIA Huawei ACCESS Official Documentation , Chapter: Optical Splitters.
ITU-T G.984.x Standards for GPON .
H35-210_V2.5 PDF/Engine
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