Westermo Wolverine DDW-142-12VDC-BP, User Manual, Page: 17 / 22

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LED indicators
LED Status Description
ON OFF Product has no power.
GREEN All OK, no alarm condition.
RED Alarm condition, or until product has started up. (Alarm
conditions are configurable, see WeOS Management Guide).
FLASH Location indicator ("Here I am!"). Activated when connected
to IPConfig Tool, or upon request from Web or CLI.
DC1 OFF Product has no power.
GREEN Power OK on DC1.*
RED Power failure on DC1.
DC2 OFF Product has no power.
GREEN Power OK on DC2.*
RED Power failure on DC2.
FRNT OFF FRNT disabled.
GREEN FRNT OK.
RED FRNT Error.
BLINK Product configured as FRNT focal point.
RSTP OFF RSTP disabled.
GREEN RSTP enabled.
BLINK Product elected as RSTP/STP root switch.
USR1
(only DDW-242-
12VDC-BP)
OFF
Configurable, see WeOS Management Guide. GREEN
RED
LNK
SHDSL ports
Link indicator
Port 1–2 OFF No DSL link.
GREEN DSL link established.
GREEN FLASH DSL link negotiation.
YELLOW Port alarm and no link. Or if FRNT or RSTP mode, port is
blocked.
SHDSL ports
Quality indicator
Port 1–2
All OFF No DSL link.
3 RED Signal to noise value below 3 dB. Unstable DSL link.
1 GREEN Signal to noise value 3–5 dB. Marginal DSL link.
2 GREEN Signal to noise value 6–9 dB. Normal DSL link.
3 GREEN Signal to noise value above 9 dB. Strong DSL link.
RD OFF No serial data received.
GREEN FLASH Serial data received.
TD OFF No serial data transmitted.
GREEN FLASH Serial data transmitted.
YELLOW FLASH Indicate error on RS-422/485 bus.
Copper ports Port
1–2 OFF No link.
GREEN Link established.
GREEN FLASH Data traffic indication.
YELLOW Port alarm and no link. Or if FRNT, RSTP or Link Aggregation
mode, port is blocked.
*
Note: Supply voltage levels must be ensured externally. A green LED may not guarantee a valid operating voltage level.