9
E1
Connections
Lnk/Alm
(Ports 1–4
or 1–8)
Flashing
Green*
E1 connection is
established and active
Traffic is flowing.
Solid
Green
E1 link
A connection exists but there
is indication of a problem with
the E1 line.
Solid
Amber
Remote Alarm Indication
(RAI). The outgoing
connection from the unit
has been lost; no data is
being transmitted.
Yellow alarm. The unit's
partner network extender has
lost its incoming connection
and has LOS.
Pulsing
Amber
Alarm Indication Signal
(AIS). An indirect
connection has been
lost; the unit may no
longer be receiving data
from its partner network
extender.
Blue alarm. The unit's partner
network extender has lost a
connection with an
intermediate device and has
LOS or RAI.
E1
Connections
Tx
(Ports 1–4
or 1–8)
Flashing
Amber
Data is being
transmitted.
Not
Illuminated
No data is being
transmitted.
E1
Connections
Rx
(Ports 1–4
or 1–8)
Flashing
Amber
Data is being received.
Not
Illuminated
No data is being
received.
Power
Solid
Green
The unit is operational
If the Power LED is not
illuminated, it is unlikely that
the network extender is
receiving power and therefore
none of the LEDs will be
illuminated.
* A pulsing LED blinks steadily at a rate of once per second. A flashing LED blinks
at a more rapid, less constant rate.
Table 2. LEDs (2 of 2)
LED
State
Indication
Additional Information