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www.sansdigital.com 

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  info

@

sansdigital.com 

 |

  phone 800 980 1988 

 |

  fax 626 322 3878 

 

 

Hard Drive Locations 

 

 

 

Connection Diagram 

 

 

Redundant Power Supply 

The redundant power supply feature consists of hot-swappable power supply modules. If one of the power modules 

fails, the remaining working power supply modules will continue to provide power to the unit so users do not 

experience downtime. A replacement power supply could be installed while the unit is running. Once the replacement 
power supply has been installed, the unit will regain its redundant power feature. 

 

Note:

 Power must be supplied to all power supply modules in order for the redundant feature to operate correctly. 

 
Fan/Power Fail LED Information (Front Panel) 

 

When the power supply modules or internal cooling fan malfunctions, the front fail LED will blink and the alarm will 
go off. Please see table below: 

 

Description 

Alarm Buzzer 

Fail LED 

Power supply failure 

Always on 

Blinking red 

Cooling fan failure 

Beep with one second interval 

Blinking red 

 

Note:

 Pressing down the ‘Alarm Reset’ button temporarily silences the alarm. Alarm will start buzzing again once the 

unit has been restarted. 

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