ETSI ONT safety guidelines
Alcatel-Lucent 7342 ISAM FTTU ONT R04.05.06 July 2008 xxiii
3FE 51892 AAAA TCZZA Edition 01 ONT Product Information Manual
Environmental requirements
See the ONT technical specification documentation for more information about
temperature ranges.
During operation in the supported temperature range, condensation inside the ONT
caused by humidity is not an issue. To avoid condensation caused by rapid changes
in temperature and humidity, Alcatel-Lucent recommends:
• The door of the ONT not be opened until temperature inside and outside the
enclosure has stabilized.
• If the door of the ONT must be opened after a rapid change in temperature or
humidity, use a dry cloth to wipe down the metal interior to prevent the risk of
condensation.
• When high humidity is present, installation of a cover or tent over the ONT helps
prevent condensation when the door is opened.
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