Westermo DDW-100 - Manual (Page 13)

LED Status Indication of
PWR OFF Unit has no power
ON Internal power
Slow flash Initialisation progressing
Fast FLASH Initialisation error
DSL * OFF Unit is unconnected
Flash 1 (200 ms) Unit is initializing DSL, only CO
Flash 2 (400 ms) Unit is in activation phase 1of DSL link
establishment
Flash 3 (1 s) Unit is in activation phase 2 of DSL link
establishment
ON Unit has established a DSL connection
LINK OFF No Ethernet link
ON Good Ethernet link
Flash Ethernet data is transmitted or received,
traffic indication
13 6621-2202
LED Indicators
LED Status Indication of
SPD OFF 10 Mbit/s
ON 100 Mbit/s
DPX OFF HDPX, Half Duplex
ON FDPX, Full Duplex
* DSL LED indicator Description
Flash 1 (only in CO) Both CO and CPE have power and the line is connected
Flash 2 (both in CO and CPE) Synchronisation phase of DSL link
Flash 3 (both in CO and CPE) Activation phase of DSL link
ON (both in CO and CPE) Unit has established a DSL connection