Number Item Description
1
ACT LED Green: Normal operation.
Blink green: Driv
e is being
accessed.
2
ALM LED
Red: drive stopped due to a
failure and can be replaced.
3
POWER, READY, LOCATE LEDs See the previous table.
4
Small form factor drives There are 24 2.5-inch small
form factor drives oriented
vertically. Slots are designated
0-23 (left to right).
SFF rear panel
Number Item Description
1
ENC
N/A
2
POWER LED Green: ENC is in the power-on
state.
3
LOCATE
LED
• This LED indicates the
location of the chassis.
• The LED can be lit or turned
off by the maintenance
utility.
4
ALARM LED Red: ENC can be replaced.
5
PATH (IN) LED Blue: IN side port is linked up.
6
PATH (IN) connector Connect to a controller or drive
tray.
7
PATH (OUT)LED Blue: OUT side port is linked
up.
8
PATH (OUT) connector Connect to a drive tray.
9
Console This port is reserved.
10
Power supply unit
N/A
Hardware description 37
Hitachi Virtual Storage Platform G400, G600 Hardware Reference Guide