7368 ISAM ONT G-240W-G Product Guide ETSI ONT safety guidelinesIssue: 01 3FE-47555-AAAA-TCZZA 172 ETSI ONT safety guidelinesThis chapter provides information about the mandatory regulations that govern theinstallation and operation of the optical network terminals (ONTs).2.1 Safety instructionsThis section describes the safety instructions that are provided in the ONT customerdocumentation and on the equipment.2.1.1 Safety instruction boxesThe 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.The Danger box indicates that the described activity or situation may pose a threatto personal safety. It calls attention to a situation or procedure which, if not correctlyperformed or adhered to, may result in death or serious physical harm.Do not proceed beyond a Danger box until the indicated conditions are fullyunderstood and met.The following is an example of the Warning box.The Warning box indicates that the described activity or situation may, or will, causeequipment damage, loss of data, or serious performance problems. It identifies apossible equipment-damaging situation or provides essential information to avoid thedegradation of system operations or data.Do not proceed beyond a warning until the indicated conditions are fully understoodand met.Danger — Possibility of personal injury.Warning 1 — Possibility of equipment damage.Warning 2 — Possibility of data loss.