Westermo DDW-222 - Manual (Page 15)

15 6642-22203
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
TX OFF No serial data transmitted
Flashing (green) Serial data transmitted from the unit
RX OFF No serial data received
Flashing (green) Serial data received to the unit
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
RS-232 cable
The DDW-222 is supplied with a RS-232 cable which can be used to connect to external
equipment. The supplied cable is straight and is used to extend the serial port and has
the same pin out as described under RS-232 interface.