ABB NE840 - LED Indicators Power;Cpu

LED Indicators Power/CPU
Section 2 Interface specications
20 3BSE080639
LED Status Description
ON OFF Unit has no power
GREEN All OK, no alarm condition
RED Alarm condition, or until unit has started up. (Alarm
conditions are congurable, refer to NEOS User Manual.
BLINK
Location indicator Here I am. Activated when connected to
IPCong Tool, or upon request from Web or CLI.
DC1 OFF Unit has no power
GREEN Power OK on DC1
RED +DC1 input voltage is below operating voltage limit
DC2 OFF Unit has no power
GREEN Power OK on DC2
RED +DC2 input voltage is below operating voltage limit
AC1 OFF Unit has no power
GREEN Power OK on AC1
FRNT OFF FRNT disabled
GREEN FRNT OK
RED FRNT Error
BLINK Unit congured as FRNT Focal Point
RSTP OFF RSTP disabled
GREEN RSTP enabled
BLINK Unit elected as RSTP/STP root switch
USR1 Congurable, see WEOS User Manual
OFF No link
GREEN Link established
GREEN FLASH Data trafc indication
YELLOW Port alarm and no link. Or if FRNT or RSTP mode, port is blocked
TX/FX ports