30
ATM I
NTERFACE
M
ODULE
Q
UICK
S
TART
G
UIDE
System States
This section describes the different system states of the CoreBuilder 9000
ATM Interface Module and how they are indicated on the LED panel. The
system states are:
Power on
Normal Operation
Loop-back Test
Failure
Power On
The power on phase of the ATM Interface Module consists of the
following steps:
Initializing Flash software
Downloading operational software from the ATM Switch Fabric
module
Initializing operational software
Executing port diagnostic tests
Module Status LED
The Module Status LED indicates the system state
of the ATM Interface Module. This LED is located on the top of the ATM
Interface Module (shown on the left of Figure 28).
Figure 28
ATM Interface Module LEDs
During the power on phase, the Module Status LED blinks green. When
the power on phase has completed successfully, normal operation begins
and the Module Status LED stops blinking and remains a steady green. If
one of the power on diagnostic tests fails, the Module Status LED turns a
steady yellow. The entire power on phase takes about a few seconds.
Table 3 shows the Module Status LED indications.
Module Status LED
1
1
2
3
4
1
2
2
3
4
M
od
.S
ta
t.
Rx
1
Tx
Rx
2
Tx
