3Com 3C6090 - NETBuilder II Dual Processor Engine Router User Manual - page 18
2-2
C
HAPTER
2: T
ROUBLESHOOTING
AND
R
EPLACING
THE
DPE M
ODULE
LED Patterns
The nine LEDs display the diagnostic and operational activity of the NETBuilder II
bridge/router. Table 2-2 describes the LEDs during normal operation. Table 2-3
describes the LEDs during an error condition.
Table 2-2 Normal Operation of LEDs
Run
Load
Test
G = green
Y = yellow
x = any value
- = off
F = flashing
Packet Forward
Power/Fault
Status
Meaning
G
G
Y
G
G
G
G
G
Y
Initial power-on or reset value
-
-
Y
-
-
-
G
-
G
Performing DRAM test
-
-
Y
-
-
G
-
-
G
Loading firmware
-
-
Y
-
G
-
x
-
G
Firmware initialization
-
-
Y
G
-
-
x
-
G
Performing non-essential, board-level, power-on self-tests
-
-
Y
G
-
G
x
-
G
Performing corebus loopback test
-
-
Y
G
G
-
x
-
G
Performing UART and shared memory test
-
-
Y
G
G
G
x
-
G
Validating firmware parameters
-
-
Y
-
G
G
x
-
G
Updating firmware
-
G
-
-
-
-
x
-
Y
Waiting for boot monitor command
-
G
-
-
G
-
x
-
Y
Performing TFTP get of bridge/router image
-
G
-
-
-
G
x
-
G
Awaiting response to “enter boot monitor?”
-
G
-
-
G
-
x
-
G
Reading bridge/router image composite file into shared
memory
-
G
-
-
G
G
x
-
G
Validating composite file
-
G
-
G
-
-
x
-
G
Auto-updating from composite file
-
G
-
G
-
G
x
-
G
Decompressing bridge/router software
-
G
-
G
G
-
x
-
G
Loading bridge/router software
-
G
G
G
G
x
-
G
Bridge/router software initializing
G
-
-
x
x
x
x
x
G
Bridge/router software running