ETSI ONT safety guidelines267368 ISAM ONT G-240W-G Product Guide3FE-47555-AAAA-TCZZA Issue: 01During operation in the supported temperature range, condensation inside the ONTcaused by humidity is not an issue. To avoid condensation caused by rapid changesin temperature and humidity, Nokia recommends:• The door of the ONT not be opened until temperature inside and outside theenclosure has stabilized.• If the door of the ONT must be opened after a rapid change in temperature orhumidity, use a dry cloth to wipe down the metal interior to prevent the risk ofcondensation.• When high humidity is present, installation of a cover or tent over the ONT helpsprevent condensation when the door is opened.
