User's Manual

Selex ES S.p.A.
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by Selex ES S.p.A. in writing
62
8.2 Power modules maintenance precaution
Before maintenance operations involving power supply modules the power cable must be removed.
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The connector of the power cable supplied with the product is the means to disconnect
the device from the power source.
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If the purpose of the maintenance is the replacement of the SWITCH or DC/DC modules the following
procedure must be followed:
48 Vdc powered devices:
 Switch off the device moving to the lower position the Main Power on/off switch, than the
RBS Power on/off switch.
 unplug the 48Vdc D-SUB 3W3 connector
 Remove the modules as described in section 8.3.
48 VDC input
RBS Power on/off switch
Main Power on/off switch