3
6643-2250
Safety
Before installation:
Read this manual completely and gather all information on the unit. Make sure that
you understand it fully. Check that your application does not exceed the safe operating
specifications for this unit.
This unit should only be installed by qualified personnel.
This unit should be built-in to an apparatus cabinet, or similar, where access is restricted to
service personnel only.
The power supply wiring must be sufficiently fused, and if necessary it must be possible
to disconnect manually from the power supply. Ensure compliance to national installation
regulations.
This unit uses convection cooling. To avoid obstructing the airflow around the unit, follow the
spacing recommendations (see Cooling section)..
Before mounting, using or removing this unit:
Prevent access to hazardous voltage by disconnecting the unit from power supply.
Warning
Do not open connected unit. Hazardous voltage may occur within this unit when connected to
power supply.
Before powering-up, a protective earthing conductor must be connected to the protective
earthing terminal and have a cross-sectional area of at least 1.5 mm².
Note that this unit can be connected to two different power sources.
When this unit is operated at an ambient temperature above +55°C (+131°F), the External
Surface of Equipment may exceed Touch Temperature Limit according to EN/IEC/UL 60950-1.
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
Class 1 Laser Product
Do not look directly into fibre optical fibre port or any connected fibre although this unit is
designed to meet the Class 1 Laser regulations.
Care recommendations
Follow the care recommendations below to maintain full operation of unit and to fulfil the warranty
obligations.
This unit must not be operating with removed covers or lids.
Do not attempt to disassemble the unit. There are no user serviceable parts inside.
Do not drop, knock or shake the unit, rough handling above the specification may cause damage to
internal circuit boards.
Do not use harsh chemicals, cleaning solvents or strong detergents to clean the unit.
Do not paint the unit. Paint can clog the unit and prevent proper operation.
Do not expose the unit to any kind of liquids (rain, beverages, etc). The unit is not waterproof. Keep
the unit within the specified humidity levels.
Do not use or store the unit in dusty, dirty areas, connectors as well as other mechanical part may be
damaged.
If the unit is not working properly, contact the place of purchase, nearest Westermo distributor office
or Westermo Tech support.
Fibre connectors are supplied with plugs to avoid contamination inside the optical port.
As long as no optical fibre is mounted on the connector, e.g. for storage, service or transportation,
should the plug be applied.
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