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POWER SUPPLY UNIT (PSU)
The Power Supply Unit (PSU) is a low voltage power supply, required for the operation of the electronics assigned to the monitoring
of the Cabinet.
Cabinets can contain up to two PSUs that are monitored by the MU or CP. The second PSU is redundant.
INTERFACE PANEL
Green
On steady: PSU ready
Green
On steady: PSU is supplying the load
INSERTION/EXTRACTION PROCEDURE
The following operations must only be performed by skilled and specifically trained personnel.
When the PSU is not inserted, uncovered parts with dangerous voltage are present on the corresponding
backplane.
The PSU is pre-installed by the manufacturer. Remove the PSU only in case of maintenance or
replacement.
Strictly comply with the instructions as listed below.
EXTRACTION
Undo the fixing screw.
Using the handle, carefully pull and remove the
PSU.
INSERTION
Carefully insert the PSU in the dedicated slot.
Fasten the PSU using the screw removed earlier
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