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18.2 LED Behavior after Boot up
Once the COM51 has successfully booted the LEDs will provide operational information as shown
below in Figure 11.
SWM error while APG acquisition
HW initialization (FPGA loading)
Software upgrading (flash at same time
Software upgrade failure (alternate flash
Figure 11 - Operational LED Behavior
Under normal operations all three LEDs are solid green:
➢ LED1: ON if all requested tuners are locked.
➢ LED2: OFF=SWM error; ON=Running; FLASH=SW upgrading
➢ LED3: OFF=FPGA loading; ON=FPGA loaded; FLASH=APG acquisition LED 1 indicating all requested
tuners are locked