Chapter 5: Using the PX3TS88Inlet Configuration Indicator LampsA green LED indicates which inlet is preferred. The default is Inlet 1.A "Preferred" inlet is the power source that you prefer using forpowering the PX3TS as long as this inlet's power is available and powerquality is good. The other inlet is the "Alternate" inlet.The preferred inlet may be changed with the Manual Transfer button.SeeManual Transfer (on page 82).Active Inlet Indicator LampsA green LED indicates which one is the active inlet.An "Active" inlet is the one which is powering the outlets. The other inletis the "Inactive" inlet. By default the "Preferred" inlet is active unless itspower quality goes critical, leading to an automatic power transfer.There are four operational states: normal, standby, non-redundant andoff. SeeTransfer Switch and Inlet Status (on page 169). In the "normal," "standby" or "non-redundant" operational state, agreen LED is present to indicate the active inlet. In the "off" operational state, neither LED is green.
