Accusys ExaSAN A12S2-PS User Manual
Page 22

1. Introduction
User Guide
Page 1-14
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 Terminal port
Connects to maintenance equipment.
6 PCIe port
Connects the controller to the HBA on
the host server.
•
Host access LED (top): Flashing
Blue indicates host accessing is in