4 ANSI ONT safety guidelines
This chapter provides information about the mandatory regulations that govern the installation and
operation of the optical network terminals or units (ONTs or ONUs) in the North American or ANSI
market.
4.1
Safety instructions
This section describes the safety instructions that are provided in the ONT customer documentation
and on the equipment.
4.1.1
Safety instruction boxes in customer documentation
The safety instruction boxes are provided in the ONT customer documentation. Observe the
instructions to meet safety requirements.
The following is an example of the Danger box.
DANGER
Hazard
Possibility of personal injury.
The Danger box indicates that the described activity or situation may pose a threat to personal
safety. It calls attention to a situation or procedure which, if not correctly performed or adhered to,
may result in death or serious physical harm.
Do not proceed beyond a Danger box until the indicated conditions are fully understood and met.
The following is an example of the Warning box.
WARNING
Equipment Damage
Possibility of equipment damage.
Possibility of data loss.
The Warning box indicates that the described activity or situation may, or will, cause equipment
damage, loss of data, or serious performance problems. It identifies a possible equipment-
damaging situation or provides essential information to avoid the degradation of system operations
or data.
Do not proceed beyond a warning until the indicated conditions are fully understood and met.
The following is an example of the Caution box.
ANSI ONT safety guidelines
Safety instructions
Nokia ONT
Review
Review
December 2021
Issue 1
33
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