Hardware
Installation
SKF Multilog On-Line System IMx-M
4 - 11
User Manual
Important - All wires and cables connected to input and output terminals shall
have a flammability rating VW-1, FT-1 or fulfill the requirements according to IEC
60332-1-2 or IEC 60332-2-2.
Important - Because of the redundant power supply, both supply circuits
(power connectors AC1 and AC2) must be disconnected before maintenance.
Power Supply
There are two power supply units for an IMx-M rack. Each power supply unit can
individually power a fully equipped rack.
Important - Power supply unit revision 3 or below cannot be combined with
power supply unit revision 4 or above. Therefore, when replacing a power supply
unit, it is important to check the other power supply unit's revision number in order
to ensure that power supply units can be combined.
For example, the system cannot have one power supply unit revision 3 and the
other power supply unit revision 4.
When a power supply unit has all the LED indicators OFF, it is the indication of no power
presence on that particular power supply unit.
First check to see if mains power cables are in right places and firmly attached as
shown in Mains Power.
If the LED indicators are still OFF, then power fuses must be checked and/or
replaced.
The fuses are located on the power supply unit as shown in the drawing, below. Refer
to
for more information about the power fuses required by IMx-M.
