Nokia 500s Installation Manual

Contents

Nokia 500s Installation Manual Manual pdf 120 page image

8 Installing and Replacing Other Components120 Nokia 500s Installation Guide3. Slowly pull the fan unit out of the chassis toward the rear.4. If the 500s appliance is running, immediately install a replacement fanunit by sliding it into the back of the appliance.5. Tighten the four retaining screws on the new fan unit.Installing or Replacing a Power SupplyThe power supplies in the Nokia 500s appliance are hot swappable, andperform load sharing while two active power supplies are connected inparallel. Load sharing increases the life of the power supplies.NoteOn an appliance with two active power supplies installed, both powersupplies should be turned on for load sharing and redundancy. If bothpower supplies are not turned on, the Fault LED illuminates. For moreinformation about the Fault LED, see “Power Supply Status LEDs” onpage 30.00318.1