Samsung GX-MC990CL User Manual page 20

Telephony and MoCA connection LED sequence are table below.
LED
Telephony TEL1/TEL2
MoCA MoCA
Ethernet connection LED sequence of rear panel are table below.
LED
Ethernet Orange
Green
over the wireless connection
OFF The 5Ghz Wi-Fi service is disabled
Status Description
ON The telephone or fax is not in use
(on-hook)
Blinking The telephone or fax is in use
(off-hook)
OFF The telephony service is disabled
ON The MoCA service is enabled
Blinking The MoCA network has traffice
OFF The MoCA service is disabled
Status Description
Blinking Blinking while data exchanging
OFF No data exchanging
ON Link connection display
OFF No link connection