ABB NE840, User Manual

Page: 20 / 34

LED Indicators Power/CPU
Section 2 Interface specifications
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 configurable, refer to NEOS User Manual .
BLINK Location indicator
Here I am
. Activated when connected to
IPConfig 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 configured as FRNT Focal Point
RSTP OFF RSTP disabled
GREEN RSTP enabled
BLINK Unit elected as RSTP/STP root switch
USR1 Configurable, see WEOS User Manual
OFF No link
GREEN Link established
GREEN FLASH Data traffic indication
YELLOW
Port alarm and no link. Or if FRNT or RSTP mode, port is blocked
TX/FX ports