Westermo DDW-120 - Manual (Page 18)

18 6621-2214
LED indicators
LED Status Description
PWR
(green)
OFF No internal power
ON Internal power ok / boot ok
LFF
(green)
OFF LFF disabled
ON LFF enabled
ERR
(red)
OFF LFF not active
ON LFF active, link fault on this unit
Flash LFF active, link fault on opposite unit
DSL OFF No DSL link
ON DSL link established
Flash DSL link negotiating
LINK OFF No Ethernet link
ON Ethernet link established
Flash Ethernet traffic indication
SPD OFF Ethernet speed, 10 Mbit/s
ON Ethernet speed, 100 Mbit/s
DPX OFF Ethernet duplex, half
ON Ethernet duplex, full