Erbium-Doped Fiber Amplifiers
Chapter 1: Warning Symbol Definitions
Rev A, October 27, 2021
Page 1
Warning Symbol Definitions
Note: Throughout this manual, references to temperature are with respect to °C.
Below is a list of warning symbols you may encounter in this manual or on your device.
Symbol
Description
Direct Current
Alternating Current
Both Direct and Alternating Current
Earth Ground Terminal
Protective Conductor Terminal
Frame or Chassis Terminal
Equipotentiality
On (Supply)
Off (Supply)
In Position of a Bi-Stable Push Control
Out Position of a Bi-Stable Push Control
Caution: Risk of Electric Shock
Caution: Hot Surface
Caution: Risk of Danger
Warning: Visible or Invisible Laser Radiation
Caution: Spinning Blades May Cause Harm