Qualstar XLS Series Installation Manual page 17

Power System
Figure 1-8
redundant power input module is also avaivable.
Power switch/
breaker
Power
connector
Figure 1-8 Power bay components
System Controller
Shown in Figure 1-9 on page
power/PC bay and consists of a Linux-based computer that controls the library. The
system controller:
• Controls the operation of the distributed control boards (DCBs)
• Manages all communications between the XLS and the host applications
• Maintains an up-to-date cartridge inventory
• Hosts the X-Link management interface
• Provides a control interface to the tape drives for configuration and servicing
XLS Library Installation Manual
shows the power components accessible from the rear of the LRM. An optional
Cosmetic cover
removed
Power supplies
1-10, the system controller occupies the right side of the
Battery module
(up to 7)
1
About This Manual
1-9