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Number
Item
Description
Slow blink green: Restoring,
or sequential shutdown in
progress.
5
CTL WARN LED
Amber blink one time:
Failure with fan 0.
Amber blink two times:
Failure with fan 1.
6
Cache flash memory
N/A
7
LAN-RST switch
Use only when instructed
by customer support.
8
LAN port
Maintenance LAN port (left)
and user LAN port (right).
9
Uninterruptible power
supply (UPS) port
N/A
10
ALARM LED (for cache flash
memory)
Red: Cache flash memory
can be removed.
11
Backup module
N/A
12
STATUS
Green: Charging of the
battery in the backup
module is complete.
Blink green: Battery in the
backup module is charging
or discharging.
Red: Backup module can
be removed.
Blink red: Backup module
can be removed.
Off: Battery is not installed,
failure occurred, or
firmware is being
upgraded.
13
SAS port
N/A
14
Port LED
Blue: Port link is
established.
15
Power supply unit
N/A
CBSS controller rear panel LEDs
Chapter 2: System controllers
Hitachi Virtual Storage Platform F350, F370 Hardware Reference Guide
17