Hitachi G370 Hardware Reference Manual page 24

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Chapter 2: System controllers
Hitachi Virtual Storage Platform G350, G370 Hardware Reference Guide
Item
Controllers
Front end module
CTL ALM LED
BACKUP STTS LED
CTL WARN LED
Cache flash memory
LAN-RST switch
LAN port
Uninterruptible power
supply (UPS) port
ALARM LED (for cache flash
memory)
Backup module
STATUS
CBSL controller rear panel LEDs
Description
Controller 1 (left) and
Controller 2 (right).
N/A
Red: Controller can be
removed.
Blink red: Failure with the
power supply unit of the
controller.
Amber: LAN reset switch
was pressed.
Green: Power restoration in
progress following power
outage.
Fast blink green: Restoring.
Slow blink green: Restoring,
or sequential shutdown in
progress.
Amber blink one time:
Failure with fan 0.
Amber blink two times:
Failure with fan 1.
N/A
Use only when instructed
by customer support.
Maintenance LAN port (left)
and user LAN port (right).
N/A
Red: Cache flash memory
can be removed.
N/A
Green: Charging of the
battery in the backup
module is complete.
Blink green: Battery in the
backup module is charging
or discharging.
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