90
Upgrade and Maintenance Manual
BX900
S2
Power supply
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Configuration with four power supply units or with three power supply
units and one fan module.
I
Zones 1, 2 and 3 must always be fitted with a PSU. Zone 4 can
alternatively be fitted with one PSU or one fan module.
Zone 5
Zone 3
Zone 1
Zone 1
Zone 3
Zone 5
PSU 1
PSU 2
PSU 3
1
2
3
4 17 5
6
7
8
PSU 4
PSU 5
PSU 6
9 10 11 12 18 13 14 15 16
Zone 6
Zone 4
Zone 2
Zone 2
Zone 4
Zone 6