CURTISS-WRIGHT HARDWARE INSTALLATION
826448 VERSION 5 MARCH 2015 PROPRIETARY 3-19
LED START-UP SEQUENCE (POWER ON)
The power-on LED start-up sequence is a follows:
1. Front panel red Fail LED illuminates:
– indicates on-board power applied
2. Front panel green Processor Status LEDs (air-cooled boards) or surface mount Green
Status LEDs (conduction-cooled boards) illuminate:
– indicates successful FPGA programming
3. Front panel green Processor Status LEDs are turned off (one node at a time):
– indicates successful initialization of respective node
4. Surface mount green Status LEDs are turned off:
– indicates successful initialization of all nodes
5. Front panel red Fail LED
Normal Boot Mode:
– turned off - indicates successful boot and PBIT passed (if PBIT enabled)
– begins flashing - indicates failure
Bottom of
PWB
DS7 Green 1000Base-BX Reserved Reserved
Bottom of
PWB
DS8 Green 1000Base-BX Reserved Reserved
Bottom of
PWB
DS41 Red Configurator FPGA
Load Status
OFF – Indicates FPGA
loaded successfully
ON – Indicates FPGA
failed to load successfully
Bottom of
PWB - Air
Cooled
DS42 Red Thermal failure Indi-
cator
Off - Indicates the
board is operating
within its acceptable
temperature range
ON – Indicates that an
excessive temperature
condition has been
detected
Top of PWB –
Conduction
Cooled
DS34 Red Thermal failure Indi-
cator
Off - Indicates the
board is operating
within its acceptable
temperature range
ON – Indicates that an
excessive temperature
condition has been
detected
Bottom of
PWB
DS13 Green FPGA Not intended for
customer use
Bottom of
PWB
DS29, DS30,
DS31, DS32,
DS33
Green CPLD Not intended for
customer use
Table 3.7: Summary of LED Behavior (Continued)
Location Reference
Designator
Color LED
Purpose/
Function
Behavior during
Normal Operation or
Feature in Use
Behavior during
Abnormal Operation
or Feature Not in Use
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