Firmware Load Pushbutton
The Firmware Load Pushbutton is used to initiate loading of module firmware from the SD
card as described in the next section.
Loading New Firmware
To load new GCG001 firmware, the SD card must be moved to a computer. Copy the
firmware image to the card, then re-insert the card into the unpowered GCG001’s SD slot.
Next, while holding down the Firmware Load Pushbutton, apply power to the module.
Continue holding the pushbutton until the
OK
LED turns amber, then release the pushbutton.
When the
OK
LED turns green, the firmware is loaded. Finally, cycle power on the module and
wait for the
OK
LED to turn green and steady.
1.5.
Light-Emitting Diode Indicators (LEDs)
POWER
—
indicates the presence of power to the module.
Green, ON steady
Power supply is good.
Green/Amber,
blinking
Module loading main operating system
Amber, ON steady
Module loading bootloader operating system
OFF
Power supply is off or not good.
OK
—
indicates module readiness to perform normal operations.
Green, ON steady
Module able to perform normal operations.
OFF
Module has an unrecoverable fault or power is not
applied.
GFK-2891C
5
