Linux TPS LEDs State Diagnostics
Linux TPP3 or TPP2 have 8 status LEDs.
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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OV LED is usually OFF. It is reserved for future use.
HB is the "Heartbeat" LED. When OS is active it gives monotonic impulses
that looks like a heartbeat.
BL#4 is used by OS applications and bootloader.
BL#3 is used by OS applications and bootloader.
BL#2 is used by OS applications and bootloader.
BL#1 is used by OS applications and bootloader.
BL#0 is used by OS applications and bootloader.
ET is ON when Ethernet is up.
Bootup Indication
In several seconds after board reset
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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Ethernet is ON, first part of the bootloader is active.
In 2 seconds after previous step
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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Bootloader is fully functional.
In 2 seconds after previous step
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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Waiting for user to push the MD button to load factory default device configuration.
[optional]
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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User pushed MD button to load factory default device configuration, loading...
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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System is ready, no applications attached to blue leds.
Default AggreGate Status LEDs Indication
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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HB "Heartbit" blinking - OS is alive;
BL#3 is BLINKING means AggreGate Server is starting;
BL#3 is ON means AggreGate Server is running;
BL#4 is ON means AggreGate TPSAgent is running;
ET is ON - Ethernet is UP;
Firmware Update Mode
- Firmware Downloading
Diring the firmware downloading state blue LEDs (BL#n) blink chaotically
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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- Firmware Update
Blue LEDs will indicate the number of NAND part that's updating now
with binary ariphmetics. The longest (about 5 minutes) possible update is for
Operating System NAND part (#11). During this state number 11 will be shown by
blue LEDs:
| OV |
HB |
BL#4 |
BL#3 |
BL#2 |
BL#1 |
BL#0 |
ET |
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For your future convinience please do not interrupt firmware update process.