Westermo DDW-221 User Manual
Page 12

12
6642-22102
LED indicators
LED
Status
Description
PWR
OFF
No power
ON (green)
Booting ready, unit ready
ON (red)
Unit is booting
FRNT
OFF
FRNT disabled
ON (green)
FRNT enabled and unit is ring
member, ring ok
Flashing (green)
FRNT enabled and unit is focal point,
ring ok
Flashing (red)
FRNT error and unit is focal point,
ring broken
ON (red)
FRNT error according
to the following
1. If unit is ring member at least
one trunk port is down
2. If unit is focal point ring is not
intact
10/100BASE-TX
Port 1 – 4
Green LED
OFF
No link
ON Link
active
Flashing
Traffic on link
10/100BASE-TX
Port 1 – 4
Yellow LED
OFF
No port alarm
ON
Port alarm
DSL
Port 1 – 2
OFF
No link
ON (green)
Link established
ON (red)
Unit is booting
Flashing (green)
Link negotiation
Flashing (red))
Downloading firmware to DSL chip
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- TR-36B (20 pages)
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- ODW-720-F1 (20 pages)
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