Service manual

1-100 AlphaServer GS80/160/320 Service Manual
1.22.3 Power Subrack
The power subrack holds three power supplies that power a system box
containing two QBBs. Since more than one may be necessary to power
either a GS160 or GS320, they are color coded to match the colors
assigned to system boxes.
Figure 1 46 Power Subrack and Power Supply Installation Order