Expansion Unit Switches; Battery Expansion Unit Switches; Connectors And Leds; Base Unit - Hitachi AMS 2000 Series Service Manual

Expansion unit switches

There are no switches on the expansion unit or high-density expansion unit.

Battery expansion unit switches

There are no switches on the battery expansion unit.

Connectors and LEDs

This section illustrates and describes the locations and functions of the
connectors and LEDs on the base and expansion units.

Base unit

Front panel status LEDs
The upper right edge of the front of the AMS 2100/2300 base unit has four
LEDs that indicate the status of the array. Also built into the chassis are two
status LEDs for each disk drive. In addition, the Cache Backup battery has
two status LEDS.
LEDs and their functions.
Name/
Item
Color
Alarm
1
RED
Figure 1-20
Figure 1-20: Base Unit Status LEDs (front panel)
Table 1-11: Base Unit Status LEDs (front panel)
Status
Base Unit Overall Status LEDs
The Alarm LED shows when an AMS 2100/2300 array has encountered a
serious error.
OFF Normal operation
A serious error has occurred in the array. Please contact
ON Hitachi Data Systems Technical Support. See the Getting
Help section in the Preface of t his manual.
A serious failure has occurred. Please contact Hitachi Data
Slow Blink
Systems Technical Support. See the Getting Help section in
(1 blink/sec)
the Preface of t his manual.
Introduction
Hitachi AMS 2000 Family Storage System Service Guide
and Table 1-11 describe the front panel status
Description
1–21