1.2. Light-Emitting Diode Indicators (LEDs)
Status Indicators
LED LED State Operating State
CPU has passed its power-up diagnostics and is
functioning properly. (After initialization sequence is
Power is not applied or CPU has a problem, which
may be indicated by blink pattern.
CPU in Stop-Halt state; possible watchdog timer
fault. If the programmer cannot connect, cycle
power with charged Energy Pack attached and refer
CPU indicating CPU320/CRU320 compatibility setting
Refer to the section, Backward Compatibility with
CPU320/CRU320/CPU315 for more information.
CPU is updating an internal programmable hardware
Override is active on a bit reference.
No Overrides active in I/O Reference Tables.
USB Device detected (No Activity)
Port activity detected on USB Interface
5 PACSystems* RX3i 1GHz 64MB CPU w/Ethernet Quick Start Guide GFK-2941E