Installing the SuperStack 3 NBX System 77Powering YourSuperStack 3 NBXSystemTo turn on power to the SuperStack 3 NBX Call Processor and theNBX Gateway chassis, follow these steps:1 Attach a power cord to the back of each chassis. If your SuperStack 3NBX Call Processor has redundant power supplies, connect both powercords to both power connectors.Each power supply in the redundant power supply unit must have its ownAC power. If you connect only one AC cord, you power only one of thepower supply units.To receive maximum protection from a redundant power supply, the ACcords should be connected to different AC circuits.2 Allow approximately 3 minutes for the system to complete the bootstrapprocess.Examine the status lights (LEDs) on the Call Processor front panel toensure that the system is running properly. The PWR status light indicatesthat the system power is turned on. Status lights 1, 2, and 3 (Figure 30)indicate disk status.Figure 30 Disk and Power Status Lights (LEDs)Table 9 SS3 NBX Disk LED StatesExplanation LED 1 LED 2 LED 3 PWRAttempting to boot from disk 0 (zero) Off On Off OnAttempting to boot from disk 1 Off Off On OnBoot process completed, system initializing Flashing N/A N/A OnSystem is running On N/A N/A On12 3S1PWR
