Bay Networks 5390 Administering page 736

Using the CLI Commands
C3-60
Table C3-27. The stats -T Command Display (continued)
Field Description
Blue Alarm When the Blue Alarm is true, the T1 engine is receiving
AIS (all ones unframed) from the network. When the Blue
alarm is false, the T1 engine is not receiving AIS. The
Blue Alarm event saved in the history buffer is also
displayed.
Red Alarm When the Red Alarm is true, the T1 engine has detected
loss of frame synchronization. During this condition, the
T1 interface is sending a Yellow Alarm to the network.
When the Red Alarm is false, The T1 engine is in frame
synchronization and the sync indication is true. The Red
Alarm event saved in the history buffer is also displayed.
Yellow Alarm When the Yellow Alarm is true, the T1 engine is receiving
a Yellow alarm from the network. When the Yellow alarm
is false, the T1 engine is not receiving a Yellow alarm
from the network. The Yellow Alarm event saved in the
history buffer is also displayed.
Loopback The loopback status has the following possible states:
None - There is no loopback in progress. The test LED on
the front panel is not illuminated.
Local - The T1 network interface is in local loopback. the
test LED on the front panel is illuminated.
Line - The T1 network interface is in line loopback. The
test LED on the front panel is illuminated.
Payload - This means that the T1 network interface is in
payload loopback. The test LED on the front panel is
illuminated.
Online When illuminated, the T1 engine is engaged with the
network. Otherwise, the T1 Network Interface and
Drop/Insert Interface are isolated from the T1 engine.
Up Time Amount of time the T1 engine has been up, in hours,
minutes, and seconds. The "hours" field is a 16-bit
register that can count up to 2700 days (more than 7
years).
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