Service manual

Power System Overview
1-12 Eleventh Edition (K) 96022
StorageTek Protected
■ Power System Overview
The library has two standard power supplies. You can order and install two additional
power supplies to provide redundant power to the library and drives. Plug each power
supply into a separate circuit to provide redundant power.
Each supply has a switch. All switches must be in the ON position during normal
operation.
• The ON position is —.
• The OFF position is O.
See “Power System” on page A-3 for more information.
■ Cartridge Storage Cells
The cartridge storage cells are stacked in four columns arranged around the robot. The
tape management software locates cartridges by their storage cell numbers.
The drive slots and the five CAP cells are not included when determining data cell
capacity.
The following figure shows the cell locations. Although you are able to see all the storage
cells, the software only recognizes the data cells that are designated for the capacity that
you ordered. A cell barrier clip can be inserted during installation if your library is not an
80-cell version. This clip identifies the cells that you may use for your data cartridges.
CAUTION:
Do not place a white cartridge into cell 1044d, or you will cause an
initialization failure.