Expansion Unit - Hitachi AMS 2100 Hardware Manual

Expansion unit

The Hitachi AMS 2100/2300 expansion unit (Model RKAK) contains from 4
to 15 SAS or SATA disk drives, two redundant power supplies, and two ENC
control units. The control units manage the drives and are also used to
connect the expansion unit to the base unit and to other expansion units.
See Disk drive configurations in Chapter 4 for detailed information about the
number and type of disk drives that can be installed in an expansion unit.
Figure 1-5 shows the front (above) and rear (below) views of the AMS
2100/2300 expansion unit. The front bezel has been removed in this photo.
Expanded views are shown in Chapter 4, Hardware components.
Figure 1-5: AMS 2100 /AMS 2300 Expansion Unit Front and Rear Views
1–9
Introduction
Hitachi AMS 2100/2300 Storage System Hardware Guide