Accusys ExaSAN A12S2-PS - Manual (Page 12)

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 connected LED (top): Steady Green indicates the controller is connected normally.
• Host access LED (bottom): Flashing Blue indicates host accessing is in progress
7 SAS port
Expansion port for SAS JBOD.
• JBOD connected LED (top): Steady Green indicates that JBOD is connected normally.
• JBOD access LED (bottom): Flashing Blue indicates controller accessing is in progress
8 Cooling fan 2 Prevents the disk array from overheating.
9 Power supply 2
Removable redundant power supply 2
• Steady Green LED indicates the power supply is working normally.
• Steady Red LED indicates the power supply has failed.
10 Power Supply AC In Connects to a power cable and power source.
11 Power supply switch Switches the power on or off.