GE Network Series Installation And Startup page 4

Symbol Legend
Indicates a procedure, practice, condition, or statement that, if not
strictly observed, could result in personal injury.
Warning
* This symbol indicates electrical warnings and cautions.
Indicates a procedure, practice, condition, or statement that, if not
strictly observed, could result in damage to or destruction of
Caution
equipment or property.
** This symbol indicates general warnings and cautions.
Indicates an essential or important procedure, instruction, condition,
or statement.
Note
Indicates a user tip. Provides helpful information that is not normally
defined in regular use, but from an experienced user.
Tip
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NX-590E Internet Interface