Rectifier And Blade Wiring Connections - Fujitsu 1FINITY L100 User Manual

Equipment Installation

Rectifier and Blade Wiring Connections

4.11
Rectifier and Blade Wiring Connections
Previously, only the frame ground on the rectifier unit and on each L100 Blade was connected to the nearest
common ground. The following figure shows an example of these connections on a rack-based rectifier and an
L100 Blade.
AC/DC Rectifier Shelf (Installed in Rack)
Frame Ground
Bus Bar in Rack
DC Output B
FG
0V
+
GB
Figure 71
Existing Rectifier and Blade Wiring Connections
In addition to the frame ground connections shown in the preceding figure, Fujitsu recommends connecting the
positive (0 V) connectors (A and B) on the rectifier to the nearest common ground. The following figure shows an
example of these connections on a rack-based rectifier and an L100 Blade.
·
Release 19.1.1 Issue 1.1, May 2021
DC Output A
0V
–53 V –53 V
+
– –
Fuse/Breaker
Fuse/Breaker
Panel Panel
FG
GA Main B Main A
139
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