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14-2
Rescue Mode
When a software upgrade is interrupted unexpectedly, the system software
on your QDX 6000 may get corrupted and the system will boot to the rescue
mode automatically. Under rescue mode, you can reload the system software
to restore the system to its normal state. You may also set the system to
rescue mode manually.
To set the QDX 6000 to rescue mode manually
1 Make sure your QDX 6000 is connected to a DHCP enabled network.
2 Press and hold the rescue mode button while switching on the system
power, hold it for 5 seconds.
3 The system will boot up to a simple screen showing its IP address, which
is obtained via DHCP.
To reload system software while QDX 6000 is in rescue mode
Follow the same procedure as the normal software upgrade described in
Upgrading System Software by PC.
In rescue mode, after the software upgrade succeeds, you need to restart QDX 6000
manually.