Nortel Remote Office 9150 Installation And Administration Manual page 36

Remote Office 9150 description
The operational status of the Remote Office 9150 unit is indicated by these
LEDs as described in the following table.
LED type
Power
Ethernet
Module
V.35
Boot status
12
LED name Description
On When lit, this LED indicates that power is
present.
TX When flashing, this LED indicates that data is
being transmitted by the Remote Office 9150
unit over the Ethernet network.
RX When flashing, this LED indicates that data is
being presented to the Remote Office 9150
unit over the Ethernet network.
COLL When flashing, this LED indicates that a
collision has occurred on the Ethernet
network.
L1 and L2 L1 LED:
n
n
n
L2 LED:
n
n
TX For future use.
RX For future use.
Status Indicates the condition of the Remote Office
9150 unit. This LED stays lit when the power
on self-test is successful. If it goes out, there
is a problem.
not lit: there is no D-channel activity
flashing: the D-channel is active but the
B-channel is not active
lit solid: both the D- and B-channels are
active
not lit: the B-channel is not active
lit: the B-channel is active
Standard 2.0
Remote Office 9150