Westermo RFR-212-FB - Manual (Page 12)

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LED indicators
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, see ''WeOS Management Guide'').
BLINK Location indicator ("Here I am!"). Activated when connected to IPConfig Tool,
or upon request from Web or CLI.
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 selected as RSTP root switch.
USR 1 OFF (Configurable) VPN disabled.
GREEN (Configurable) Default: At least one VPN tunnel up and OK.
RED (Configurable) Default: All VPN tunnels down.
X1 to X12 OFF No Link.
GREEN Link established.
GREEN FLASH Data traffic indication.
YELLOW Port alarm and no link. Or if FRNT, RSTP or Link Aggregation mode,
port is blocked.