APC APC SYMMETRAN RM

• 1) On most Symmetra systems, the Powerview LCD display connects to one of the intelligence modules via a category 5 unshielded twisted pair patch cable. This cable should be disconnected from the intelligence module to which it connects in order to ease the process of installation. If the UPS is a Symmetra Power Array (Masterframe or Miniframe) this will not be necessary as the Powerview display does not directly connect to either intelligence module.
• 2) Remove the intelligence module that is not in control.

          Symmetra LX will indicate which intelligence module is in control by illuminating an additional green LED on the              far left of the LED array. Symmetra Power Array and Symmetra RM indicate which module is in control using the              redundant intelligence module's orange LED (second LED from the left on the LED array). If this LED is                            illuminated, the redundant intelligence module is in control. If this LED is not illuminated, the main intelligence                  module is in control.

• 3) Insert the replacement intelligence module in the now empty bay. Allow this module several seconds to boot up and confirm that the module is operating properly by the LEDs illuminated on the intelligence module. The green LED to the far right of the module's LED array should be solid. If the red fault LED on the intelligence module illuminates and stays lit, there is a fault. Please contact APC support.
• 4) Remove the remaining intelligence module and insert the second replacement module. Allow this module to boot up and confirm that the module is booted by the LEDs present on the module. The green LED to the far right of the module's LED array should be solid. If the red fault LED on the intelligence module illuminates and stays lit, there is a fault. Please contact APC support.
• 5) Ensure that the main intelligence module has assumed control of the UPS.

           ]Symmetra LX will indicate which intelligence module is in control by illuminating an