Accusys ExaSAN A12S2-PS - Manual (Page 24)

1. Introduction
User Guide Page 1-16
No. Name Description
1 Power Supply AC In
Connects to a power cable and power
source.
2 Power supply 1
Removable redundant power supply 1
• Steady Green LED indicates the
power supply is working normally.
• Steady Red LED indicates the
power supply has failed.
3 Cooling fan 1
Prevents the disk array from
overheating.
• Steady Green LED indicates the
fan modules are working normally.
• Steady Red LED indicates that a
fan module has failed.
4 Heartbeat LED
Indicates the controller status
• Flashing Green indicates the
controller is active
• LED is off if controller is inactive.
5 Left SAS port Expansion port for SAS JBOD.
6 Right SAS port
Cascade upstream to RAID or JBOD
system.
7 Cooling fan 2
Prevents the disk array from
overheating.
• Steady Green LED indicates the
fan modules are working normally.
• Steady Red LED indicates that a
fan module has failed.
9 Power supply 2
Removable redundant power supply 2
• Steady Green LED indicates the
power supply is working normally.
• Steady Red LED indicates the