2.5.2
Transmit optical output
The maximum transmit optical output of an ONT is +5 dBm.
2.5.3
Normal laser operation
In normal operation, fiber cable laser radiation is always off until it receives signal from the line
terminal card.
Eyes can be damaged when they exposed to a laser beam. Operating personnel must observe the
instructions on the laser explanatory label before plugging in the optical module.
DANGER
Hazard
Risk of eye damage by laser radiation.
2.5.4
Location class
Use cable supports and guides to protect the receptacles from strain.
Figure 2-4
Laser warning labels
INVISIBLE LASER RADIATION
DO NOT STARE INTO BEAM
OR VIEW DIRECTLY WITH
OPTICAL INSTRUMENTS
Wavelength(s): xxxx nm
Normal output power: xx m W
Max output power: yyy m W
Laser Warning Label
Laser Warning Label
CLASS 1 LASER PRODUCT
INVISIBLE LASER RADIATION PRESENT AT FIBER OPTIC CABLE
WHEN NOT CONNECTED. AVOID DIRECT EXPOSURE TO BEAM.
RAYONNEMENT LASER CLASSE 1
RAYONNEMENT LASER INVISIBLE
EVITER TOUTE EXPOSITION AU FAISCEAU
NE PAS DEMONTER. FAIRE APPEL A UN PERSONNELL QUALIFIE
CLASE 1 DEL LASER
RADIACION DE LASER INVISIBLE. EVITAR CUALOUIER EXPOSICION AL
RAYO LASER. NO DESMONTAR. LLAMAR A PERSONAL AUTORIZADO
Laser Warning Label
18993
'
ETSI ONT safety guidelines
Laser safety guidelines
Nokia ONT
Draft
Draft
December 2020
Issue 1
25
Nokia – Proprietary and Confidential
Use pursuant to applicable agreements
3FE-49348-AAAA-TCZZA
