Modular 2U Sas Expansion Unit Disk Drive Leds; Modular 2U Sas Expansion Unit Power Unit; Power Supply Status - Hitachi AMS 2100 Hardware Manual

Modular 2U SAS expansion unit disk drive LEDs

Figure 4-26
LEDs and their functions.
Figure 4-26: Modular 2U SAS expansion unit disk drive LEDs
Table 4-27: Modular 2U SAS expansion unit disk drive LEDs
Number
1
2
3
4
5

Modular 2U SAS expansion unit power unit

Description of RKAKS power unit.

Power supply status

As shown in
near the power receptacle. These LEDs indicate the operational status of the
power supply, and are described in
Figure 4-27: Modular 2U SAS expansion unit power supply LEDs
4–34
and Table 4-27 show and describe the disk drive display status
LED
HDD ALM LED
HDD ACT LED
LOCATE LED
POWER LED
READY LED
Figure 4-27, each power supply has three LEDs on the panel
Hardware components
Hitachi AMS 2100/2300 Storage System Hardware Guide
Function
ON: A failure has occurred in
(red) the disk drive and it is
inoperable.
ON or FLASHING: the disk
(green)
)
drive is operational.
ON: A failure has occurred in
(orange) the unit, but the failure does
not stop operation
ON: Power is supplied to the
(green)
unit.
(green) ON: The unit is operable.
Table 4-28 on page
\
4-35.