When using a light source and a power meter to ___

When using a light source and a power meter to make link loss measurements, which of the following steps should you perform first?

A. Connect the reference jumper between the source and the power meter
B. Connect the reference jumper and one test jumper between the source and the power meter
C. Connect the link directly between the source and the power meter
D. Connect the link directly between two power meters

Show Answer

Answer: B

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