AirWorks AWK-4121 User’s Manual
Supporting Information
The ETSI version of this device is also authorized for use in EFTA member states Norway and
Switzerland.
EU Countries Not Intended for Use
None.
Potential Restrictive Use
France: only channels 10, 11, 12, and 13.
Firmware Recovery
When the LEDs of
FAULT
,
Signal Strength
,
CLIENT
,
BRIDGE
and
WLAN
all light up
simultaneously and blink at one-second interval, it means the system booting has failed. It may
result from some wrong operation or uncontrollable issues, such as an unexpected shutdown
during firmware update. The AWK-4121 is designed to help administrators recover such damage
and resume system operation rapidly. You can refer to the following instructions to recover the
firmware:
Connect to the AWK-4121’s ES-232 console with
115200bps and N-8-1
. You will see the
following message shown on the terminal emulator every one second.
Press
Ctrl - C
and the following message will appear.
Enter
2
to change the network setting. Specify where the AWK-4121’s firmware file on the TFTP
server and press
y
to write the settings into flash memory.
AWK-4121 restarts, and the “Press Ctrl-C to enter Firmware Recovery Process…” message will
reappear. Press
Ctrl-C
to enter the menu and select
1
to start the firmware upgrade process.
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