Hitachi AMS 2100, Service Manual

Page: 56 / 192

1–16
Introduction
Hitachi AMS 2000 Family Storage System Service Guide
Expansion unit rear panel
This section describes the components on the rear Panel of the expansion
unit. Figure 1-14 shows the key hardware components on the rear panel of
an AMS 2100/2300 expansion unit.
Figure 1-14: Expansion Unit Rear Panel Components
The rear of the expansion unit provides the connectors used to daisy chain
expansion units in the system. See Chapter 5, Installation, in the Hitachi
AMS 2100/2300 Hardware guide, MK-97DF8010 for details. It also provides
LEDs that show the status of the expansion unit and the power supplies that
provide power to the expansion unit. Expanded views of the expansion unit
and detailed descriptions are located on the following pages.
•
•
Figure 1-15: Rear View of the Expansion Unit
Table 1-9: Expansion Unit Rear Panel Components
Item Description Item Description
1
Cable
4
Power Supply 0
2
Unit 0
5
Power Supply 1
3
Unit 1