3Com 2848 SFP User Guide - Page 47

The firmware image has become corrupted, You forget the Switch's default IP address, or

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Page 47 highlights

The firmware image has become corrupted If the firmware image becomes corrupted, you need to upgrade the firmware, refer to "Upgrade" on page 42. The Switch goes into Fail Safe mode, and the screen shown in Figure 28 displays. Figure 28 Fail Safe Mode Screen To upgrade the firmware, click Browse, and follow the on-screen instructions to upgrade the Switch to the required version of firmware. Alternatively, click reset to return the Switch to its factory default settings. CAUTION: Before recovering the Switch, save the Switch's current configuration. Recovering the Switch will cause the current configuration to be lost. Solving LED Issues 47 You forget the Switch's default IP address, or you forget the user name or password that you assigned to the Switch. The Discovery application can be used for detecting the Switch on the network. Otherwise, you can restore the default settings, using the recovery button on the rear panel of the Switch. For details on how to use Discovery to detect the Switch on the network, refer to "Running the Discovery Application" on page 21. CAUTION: Before recovering the Switch, save the Switch's current configuration. Recovering the Switch will cause the current configuration to be lost. To recover the Switch: 1 Back up the current configuration. Refer to "Configuration" on page 41 for details. 2 Power off the Switch. 3 Press and hold the recovery button on the rear panel of the Switch using a pointed tool, and then power on the Switch. After at least 5 seconds, or when the LED flashes, release the recovery button. The Switch will now enter fail safe mode, whereby the Switch's IP address, user name and password will be reset to the factory defaults. 4 Click on the Restart the Switch button. 5 Restore the configuration file that you backed up in step 1. Refer to "Configuration" on page 41 for details.

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Solving LED Issues
47
The firmware image has become corrupted
If the firmware image becomes corrupted, you need to
upgrade the firmware, refer to “Upgrade” on page 42.
The Switch goes into Fail Safe mode, and the screen
shown in Figure 28 displays.
Figure 28
Fail Safe Mode Screen
To upgrade the firmware, click
Browse
, and follow the
on-screen instructions to upgrade the Switch to the
required version of firmware.
Alternatively, click
reset
to return the Switch to its
factory default settings.
CAUTION:
Before recovering the Switch, save the
Switch’s current configuration. Recovering the Switch
will cause the current configuration to be lost.
You forget the Switch’s default IP address, or you
forget the user name or password that you
assigned to the Switch.
The Discovery application can be used for detecting the
Switch on the network. Otherwise, you can restore the
default settings, using the recovery button on the rear
panel of the Switch.
For details on how to use Discovery to detect the Switch
on the network, refer to “Running the Discovery
Application” on page 21.
CAUTION:
Before recovering the Switch, save the
Switch’s current configuration. Recovering the Switch
will cause the current configuration to be lost.
To recover the Switch:
1
Back up the current configuration. Refer to
“Configuration” on page 41 for details.
2
Power off the Switch.
3
Press and hold the recovery button on the rear panel of
the Switch using a pointed tool, and then power on the
Switch. After at least 5 seconds, or when the LED
flashes, release the recovery button. The Switch will now
enter fail safe mode, whereby the Switch’s IP address,
user name and password will be reset to the factory
defaults.
4
Click on the
Restart the Switch
button.
5
Restore the configuration file that you backed up in
step 1. Refer to “Configuration” on page 41 for details.