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Question 1 of 3

A fiber link tests at 8.5 dB loss but the budget allows 6 dB. Which tool will tell you WHERE the excess loss is?

Power meter (OLTS)OTDRVFLMultimeter

Question 2 of 3

Why use a launch cable with an OTDR?

To extend the fiber's reachTo position the link past the OTDR's near-end dead zone so the first connector can be measuredTo improve the launch powerRequired by IEC

Question 3 of 3

Most reported 'fiber faults' actually turn out to be:

Microbends from bad cable managementDirty connectorsSplice failuresCracked ferrules

Fiber testing — power meters, OTDR, loss budgets — Quiz