Firmware upgrade recovery – ATEN ALTUSEN KH1516 User Manual
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KH1508 / KH1516 User Manual
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Firmware Upgrade Recovery
There are basically four conditions that call for firmware upgrade recovery:
When the unit’s firmware becomes corrupted for some reason and you are
unable to operate it.
When you invoke Firmware Upgrade Mode (see FIRMWARE UPGRADE,
page 31), but decide not to proceed with the upgrade.
When a firmware upgrade procedure is interrupted.
When a firmware upgrade procedure fails.
To perform a firmware upgrade recovery, do the following:
1. Slide the Firmware Upgrade Recovery Switch (see page 7) to the Recover
position.
2. Power off and restart the switch according to the instructions given in the
Powering Off and Restarting section (see page 19).
3. Slide the Firmware Upgrade Recovery Switch back to the Normal
position.
4. Repeat Step 2.
Note: If one of the child units fails to upgrade successfully, unchain it from the
installation and perform the recovery and upgrade operation on it
independently. After it has been successfully upgraded, plug it back into
the chain
kh15816-v1.book Page 48 Wednesday, October 25, 2006 11:05 AM