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H31-311_V2.5 · Question #166

Automatic Laser Shutdown (ALS): When no optical signal is received, the ALS function automatically shuts down the corresponding optical module. This function protects on-site maintenance personnel.

The correct answer is A. True. See the full explanation below for the reasoning.

Optical Fiber Communication Fundamentals

Question

Automatic Laser Shutdown (ALS): When no optical signal is received, the ALS function automatically shuts down the corresponding optical module. This function protects on-site maintenance personnel.

Options

  • ATrue
  • BFalse

How the community answered

(42 responses)
  • A
    81% (34)
  • B
    19% (8)

Topics

#ALS#laser safety#optical module#eye protection

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