Phoenix Contact 2700689, User Manual, Page: 10 / 52

FL SWITCH IRT
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PHOENIX CONTACT 8289_en_04
2.2 Status and diagnostics indicators
Des. Color Status Meaning
US1 Green On Supply voltage 1 within the tolerance range
Flashing IP67 switch: Supply voltage 1 too low
Off Supply voltage 1 too low
US2 Green On Supply voltage 2 within the tolerance range
Flashing IP67 switch: Supply voltage 2 too low
Off Supply voltage 2 too low
FAIL Red On Signal contact open, i.e., an error has occurred
Off Signal contact closed, i.e., an error has not occurred
BF Red On No Ethernet connection
Flashing No PROFINET connection to controller
Off Connection to controller established
A link LED is located on the front of the switch for each port
LNK
(Link)
Green On Link active
Off Link not active
ACT
(Activity)
Green On Transmitting/receiving telegrams
Off Not transmitting/receiving telegrams
FO
(Fiber Optic)
Orange Off The system reserve of the optical path is >2 dB
Flashing
0.5 Hz
The system reserve of the optical path is between 2 dB and 0 dB
On Diagnostic alarm, system reserve is 0 dB