Number Item Description
Red: Backup module can
be removed.
Blink red: Backup module
can be removed.
O: Battery is not installed,
failure occurred, or
rmware is being
upgraded.
13 SAS port N/A
14 Port LED Blue: Port link is
established.
15 Power supply unit N/A
CBSL controller AC power supply unit LEDs and connectors
The following table describes the denitions of the CBSL controller AC power supply unit
LEDs and connectors.
Number Item Description
1 Receptacle Connects to the power
cable provided with the
storage system.
2 AC IN LED Blue: AC input is normal.
3 ALM / RDY LED Red: Power supply unit can
be replaced.
Green: Normal operation.
CBSL controller AC power supply unit LEDs and connectors
Chapter 2: System controllers
Hitachi Virtual Storage Platform G350, G370 Hardware Reference Guide 25