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STATUS LED
LED
Status
Description
L1
green
off
BUS IN - Ethernet link not established
on
BUS IN - Ethernet link established
L2
yellow
off
BUS IN - Ethernet activity not detected
blinking
BUS IN - Ethernet activity detected
L3
red
off
communication established
blinking (2 Hz)
no communication
on
no or slow Ethernet connection
L4
green
blinking (1 Hz 3 s)
device identification
L5
green
off
BUS OUT - Ethernet link not established
on
BUS OUT - Ethernet link established
L6
yellow
off
BUS OUT - Ethernet activity not detected
blinking
BUS OUT - Ethernet activity detected