Instruction Manual

1. Introduction
User Guide Page 1-15
progress
• Host connected LED (bottom):
Steady Green indicates the
controller is connected normally.
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 Controller Provides access to the hard disk drives.
9 Cooling fan 2
Prevents the disk array from
overheating.
10 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.
11 Power Supply AC In
Connects to a power cable and power
source.
12 Power supply switch Switches the power on or off.
1.5.1.6 A12S2-PS SAS JBOD Rear Panel