User manual
Fibre to SAS/SATA II RAID Subsystem
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User Manual
2.1.2 Rear View
Single Controller
Dual Controller
Controller Module – The subsystem has single or dual controller module.
Power Supply / Fan Module #1, #2 – Two power supply / fan modules are
located at the rear of the subsystem.
If the power supply fails to function, the
Power Fail LED will turn red and an alarm
will sound. An error message will also appear on the LCD screen warning of power
failure.
The fan in a power supply fan module is powered independently. When a power
supply fails, the fan will still be working and provides airflow inside the enclosure.