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Exam · US outside plant & splicing
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1. What does a passive optical splitter do?
Amplifies the signal
Switches Ethernet traffic
Divides the light between many customers, with no power
2. Where are splitters usually located?
In the customer’s router
In the FDH (and sometimes FDTs or closures)
In the core router
3. What carries aerial fiber between poles?
A messenger strand it is lashed to
The power conductor
Nothing
4. Why record every splice in inventory and GIS?
So the NOC can trace a customer to the OLT and find faults
It is optional
For decoration
5. Order for fusion splicing:
Splice, strip, clean
Cleave, paint, splice
Strip, clean, cleave, splice, sleeve
6. Which tool tells you how far away a break is?
Crimper
Multimeter
OTDR
7. After re-splicing, what proves the repair?
Rebooting the OLT
OTDR and power-meter tests on each fiber
Looking at it
8. Why splice fibers in order?
So each customer stays on the right PON
It looks neater
It is faster
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