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Bizfon Manual I: Installation Guide Hardware Overview
LED indication during a firmware update
A firmware update is indicated by the red (Fault) and yellow (Info) LEDs. Both will blink si-
multaneously for about two minutes while the firmware is being updated. The Bizfon will
then reboot automatically showing the boot LED sequence.
LED indication during a boot sequence
A boot sequence is indicated as follows: The red Fault LED will glow for a few seconds,
then the yellow Info LED will glow for another four or five minutes while the green Busy
LED is blinking. Once the Info LED is off, the boot sequence has been completed success-
fully.
LED indication during emergency firmware upload
The red Fault LED and the yellow Busy LEDs will stop blinking alternately and start blink-
ing in parallel. This shows that Bizfon has accepted the emergency firmware and is loading
it. After a few seconds, Bizfon will boot, indicated as follows: The red Fault LED will glow
for a few seconds, then the yellow Info LED will glow for another few seconds while the
green Busy LED is jittering. When the yellow Info LED extinguishes, the boot sequence
has been completed successfully.
Bizfon2000 and Bizfon4000 (SW Version 3.1.x) 9