Hitachi AMS 2100, Service Manual

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1–36
Introduction
Hitachi AMS 2000 Family Storage System Service Guide
High-density expansion unit status LEDs
Front panel status LEDs
The front panel of the high-density expansion unit includes two sets of
Power and Locate status LEDs that show the status of each section (A and
B) in the unit and identify the unit in case of a failure. The installation
location should provide an unobstructed view of these LEDs.
Figure 1-33: High-density Expansion Unit Front View
Figure 1-34 shows the front panel of a high-density expansion unit with the
front bezel removed. The Locate and Power LEDS are visible with the front
bezel off as sell as when it is installed.
Figure 1-34: High-density Expansion Unit Front Panel
Table 1-25: High-density Expansion Unit Front Panel
Item Description Item Description Item Description
1
Unit A Status LEDs
2
Drive Cover Lock
3
Unit B Status LEDs